./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4c876950d5c00e8640720d61b331acdf557de17a26b73c3a1c23616adb1922b3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 17:02:19,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 17:02:19,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 17:02:19,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 17:02:19,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 17:02:19,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 17:02:19,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 17:02:19,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 17:02:19,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 17:02:19,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 17:02:19,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 17:02:19,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 17:02:19,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 17:02:19,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 17:02:19,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 17:02:19,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 17:02:19,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 17:02:19,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 17:02:19,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 17:02:19,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 17:02:19,433 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 17:02:19,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 17:02:19,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 17:02:19,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 17:02:19,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 17:02:19,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 17:02:19,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 17:02:19,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 17:02:19,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 17:02:19,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 17:02:19,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 17:02:19,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 17:02:19,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 17:02:19,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 17:02:19,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 17:02:19,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 17:02:19,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 17:02:19,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 17:02:19,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 17:02:19,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 17:02:19,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 17:02:19,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 17:02:19,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 17:02:19,486 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 17:02:19,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 17:02:19,487 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 17:02:19,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 17:02:19,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 17:02:19,489 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 17:02:19,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 17:02:19,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 17:02:19,489 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 17:02:19,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 17:02:19,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 17:02:19,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 17:02:19,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 17:02:19,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 17:02:19,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 17:02:19,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 17:02:19,492 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 17:02:19,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 17:02:19,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 17:02:19,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 17:02:19,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 17:02:19,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 17:02:19,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 17:02:19,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 17:02:19,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 17:02:19,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 17:02:19,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 17:02:19,494 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 17:02:19,495 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 17:02:19,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 17:02:19,495 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c876950d5c00e8640720d61b331acdf557de17a26b73c3a1c23616adb1922b3 [2022-07-12 17:02:19,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 17:02:19,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 17:02:19,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 17:02:19,771 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 17:02:19,772 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 17:02:19,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i [2022-07-12 17:02:19,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/542b017fb/a39119f2b7b64dec81b18c6de49c402b/FLAG02d403766 [2022-07-12 17:02:20,567 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 17:02:20,568 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i [2022-07-12 17:02:20,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/542b017fb/a39119f2b7b64dec81b18c6de49c402b/FLAG02d403766 [2022-07-12 17:02:20,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/542b017fb/a39119f2b7b64dec81b18c6de49c402b [2022-07-12 17:02:20,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 17:02:20,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 17:02:20,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 17:02:20,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 17:02:20,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 17:02:20,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 05:02:20" (1/1) ... [2022-07-12 17:02:20,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5519509c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:20, skipping insertion in model container [2022-07-12 17:02:20,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 05:02:20" (1/1) ... [2022-07-12 17:02:20,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 17:02:20,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 17:02:24,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[379831,379844] [2022-07-12 17:02:24,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[379976,379989] [2022-07-12 17:02:24,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380122,380135] [2022-07-12 17:02:24,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380287,380300] [2022-07-12 17:02:24,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380445,380458] [2022-07-12 17:02:24,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380603,380616] [2022-07-12 17:02:24,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380761,380774] [2022-07-12 17:02:24,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380921,380934] [2022-07-12 17:02:24,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381080,381093] [2022-07-12 17:02:24,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381219,381232] [2022-07-12 17:02:24,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381361,381374] [2022-07-12 17:02:24,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381510,381523] [2022-07-12 17:02:24,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381649,381662] [2022-07-12 17:02:24,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381804,381817] [2022-07-12 17:02:24,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381964,381977] [2022-07-12 17:02:24,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382115,382128] [2022-07-12 17:02:24,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382266,382279] [2022-07-12 17:02:24,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382418,382431] [2022-07-12 17:02:24,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382567,382580] [2022-07-12 17:02:24,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382715,382728] [2022-07-12 17:02:24,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382872,382885] [2022-07-12 17:02:24,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383021,383034] [2022-07-12 17:02:24,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383177,383190] [2022-07-12 17:02:24,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383330,383343] [2022-07-12 17:02:24,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383476,383489] [2022-07-12 17:02:24,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383619,383632] [2022-07-12 17:02:24,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383771,383784] [2022-07-12 17:02:24,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383917,383930] [2022-07-12 17:02:24,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384062,384075] [2022-07-12 17:02:24,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384216,384229] [2022-07-12 17:02:24,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384367,384380] [2022-07-12 17:02:24,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384522,384535] [2022-07-12 17:02:24,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384674,384687] [2022-07-12 17:02:24,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384829,384842] [2022-07-12 17:02:24,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384993,385006] [2022-07-12 17:02:24,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385149,385162] [2022-07-12 17:02:24,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385313,385326] [2022-07-12 17:02:24,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385455,385468] [2022-07-12 17:02:24,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385613,385626] [2022-07-12 17:02:24,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385780,385793] [2022-07-12 17:02:24,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385939,385952] [2022-07-12 17:02:24,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386098,386111] [2022-07-12 17:02:24,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386247,386260] [2022-07-12 17:02:24,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386394,386407] [2022-07-12 17:02:24,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386533,386546] [2022-07-12 17:02:24,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386696,386709] [2022-07-12 17:02:24,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386862,386875] [2022-07-12 17:02:24,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387026,387039] [2022-07-12 17:02:24,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387191,387204] [2022-07-12 17:02:24,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387356,387369] [2022-07-12 17:02:24,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387522,387535] [2022-07-12 17:02:24,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387687,387700] [2022-07-12 17:02:24,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387854,387867] [2022-07-12 17:02:24,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388014,388027] [2022-07-12 17:02:24,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388176,388189] [2022-07-12 17:02:24,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388335,388348] [2022-07-12 17:02:24,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388481,388494] [2022-07-12 17:02:24,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388624,388637] [2022-07-12 17:02:24,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388768,388781] [2022-07-12 17:02:24,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388911,388924] [2022-07-12 17:02:24,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389055,389068] [2022-07-12 17:02:24,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389196,389209] [2022-07-12 17:02:24,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389334,389347] [2022-07-12 17:02:24,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389492,389505] [2022-07-12 17:02:24,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389651,389664] [2022-07-12 17:02:24,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389807,389820] [2022-07-12 17:02:24,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389956,389969] [2022-07-12 17:02:24,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390108,390121] [2022-07-12 17:02:24,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390259,390272] [2022-07-12 17:02:24,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390408,390421] [2022-07-12 17:02:24,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390560,390573] [2022-07-12 17:02:24,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390708,390721] [2022-07-12 17:02:24,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390861,390874] [2022-07-12 17:02:24,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391012,391025] [2022-07-12 17:02:24,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391162,391175] [2022-07-12 17:02:24,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391309,391322] [2022-07-12 17:02:24,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391460,391473] [2022-07-12 17:02:24,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391611,391624] [2022-07-12 17:02:24,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391759,391772] [2022-07-12 17:02:24,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391925,391938] [2022-07-12 17:02:24,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[392094,392107] [2022-07-12 17:02:24,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[392261,392274] [2022-07-12 17:02:24,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[392429,392442] [2022-07-12 17:02:24,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[392579,392592] [2022-07-12 17:02:24,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[392726,392739] [2022-07-12 17:02:24,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[392887,392900] [2022-07-12 17:02:24,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[393057,393070] [2022-07-12 17:02:24,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[393219,393232] [2022-07-12 17:02:25,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 17:02:25,034 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 17:02:25,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[379831,379844] [2022-07-12 17:02:25,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[379976,379989] [2022-07-12 17:02:25,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380122,380135] [2022-07-12 17:02:25,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380287,380300] [2022-07-12 17:02:25,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380445,380458] [2022-07-12 17:02:25,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380603,380616] [2022-07-12 17:02:25,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380761,380774] [2022-07-12 17:02:25,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380921,380934] [2022-07-12 17:02:25,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381080,381093] [2022-07-12 17:02:25,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381219,381232] [2022-07-12 17:02:25,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381361,381374] [2022-07-12 17:02:25,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381510,381523] [2022-07-12 17:02:25,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381649,381662] [2022-07-12 17:02:25,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381804,381817] [2022-07-12 17:02:25,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381964,381977] [2022-07-12 17:02:25,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382115,382128] [2022-07-12 17:02:25,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382266,382279] [2022-07-12 17:02:25,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382418,382431] [2022-07-12 17:02:25,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382567,382580] [2022-07-12 17:02:25,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382715,382728] [2022-07-12 17:02:25,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382872,382885] [2022-07-12 17:02:25,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383021,383034] [2022-07-12 17:02:25,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383177,383190] [2022-07-12 17:02:25,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383330,383343] [2022-07-12 17:02:25,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383476,383489] [2022-07-12 17:02:25,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383619,383632] [2022-07-12 17:02:25,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383771,383784] [2022-07-12 17:02:25,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383917,383930] [2022-07-12 17:02:25,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384062,384075] [2022-07-12 17:02:25,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384216,384229] [2022-07-12 17:02:25,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384367,384380] [2022-07-12 17:02:25,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384522,384535] [2022-07-12 17:02:25,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384674,384687] [2022-07-12 17:02:25,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384829,384842] [2022-07-12 17:02:25,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384993,385006] [2022-07-12 17:02:25,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385149,385162] [2022-07-12 17:02:25,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385313,385326] [2022-07-12 17:02:25,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385455,385468] [2022-07-12 17:02:25,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385613,385626] [2022-07-12 17:02:25,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385780,385793] [2022-07-12 17:02:25,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385939,385952] [2022-07-12 17:02:25,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386098,386111] [2022-07-12 17:02:25,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386247,386260] [2022-07-12 17:02:25,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386394,386407] [2022-07-12 17:02:25,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386533,386546] [2022-07-12 17:02:25,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386696,386709] [2022-07-12 17:02:25,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386862,386875] [2022-07-12 17:02:25,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387026,387039] [2022-07-12 17:02:25,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387191,387204] [2022-07-12 17:02:25,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387356,387369] [2022-07-12 17:02:25,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387522,387535] [2022-07-12 17:02:25,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387687,387700] [2022-07-12 17:02:25,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387854,387867] [2022-07-12 17:02:25,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388014,388027] [2022-07-12 17:02:25,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388176,388189] [2022-07-12 17:02:25,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388335,388348] [2022-07-12 17:02:25,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388481,388494] [2022-07-12 17:02:25,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388624,388637] [2022-07-12 17:02:25,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388768,388781] [2022-07-12 17:02:25,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388911,388924] [2022-07-12 17:02:25,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389055,389068] [2022-07-12 17:02:25,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389196,389209] [2022-07-12 17:02:25,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389334,389347] [2022-07-12 17:02:25,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389492,389505] [2022-07-12 17:02:25,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389651,389664] [2022-07-12 17:02:25,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389807,389820] [2022-07-12 17:02:25,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389956,389969] [2022-07-12 17:02:25,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390108,390121] [2022-07-12 17:02:25,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390259,390272] [2022-07-12 17:02:25,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390408,390421] [2022-07-12 17:02:25,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390560,390573] [2022-07-12 17:02:25,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390708,390721] [2022-07-12 17:02:25,432 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390861,390874] [2022-07-12 17:02:25,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391012,391025] [2022-07-12 17:02:25,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391162,391175] [2022-07-12 17:02:25,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391309,391322] [2022-07-12 17:02:25,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391460,391473] [2022-07-12 17:02:25,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391611,391624] [2022-07-12 17:02:25,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391759,391772] [2022-07-12 17:02:25,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391925,391938] [2022-07-12 17:02:25,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[392094,392107] [2022-07-12 17:02:25,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[392261,392274] [2022-07-12 17:02:25,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[392429,392442] [2022-07-12 17:02:25,438 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[392579,392592] [2022-07-12 17:02:25,438 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[392726,392739] [2022-07-12 17:02:25,438 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[392887,392900] [2022-07-12 17:02:25,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[393057,393070] [2022-07-12 17:02:25,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[393219,393232] [2022-07-12 17:02:25,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 17:02:25,667 INFO L208 MainTranslator]: Completed translation [2022-07-12 17:02:25,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:25 WrapperNode [2022-07-12 17:02:25,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 17:02:25,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 17:02:25,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 17:02:25,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 17:02:25,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:25" (1/1) ... [2022-07-12 17:02:25,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:25" (1/1) ... [2022-07-12 17:02:25,935 INFO L137 Inliner]: procedures = 660, calls = 1827, calls flagged for inlining = 326, calls inlined = 232, statements flattened = 3930 [2022-07-12 17:02:25,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 17:02:25,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 17:02:25,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 17:02:25,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 17:02:25,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:25" (1/1) ... [2022-07-12 17:02:25,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:25" (1/1) ... [2022-07-12 17:02:25,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:25" (1/1) ... [2022-07-12 17:02:25,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:25" (1/1) ... [2022-07-12 17:02:26,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:25" (1/1) ... [2022-07-12 17:02:26,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:25" (1/1) ... [2022-07-12 17:02:26,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:25" (1/1) ... [2022-07-12 17:02:26,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 17:02:26,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 17:02:26,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 17:02:26,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 17:02:26,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:25" (1/1) ... [2022-07-12 17:02:26,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 17:02:26,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:02:26,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 17:02:26,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 17:02:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-12 17:02:26,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-12 17:02:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read_bd [2022-07-12 17:02:26,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read_bd [2022-07-12 17:02:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 17:02:26,301 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 17:02:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 17:02:26,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 17:02:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-12 17:02:26,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-12 17:02:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_mdio_poll [2022-07-12 17:02:26,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_mdio_poll [2022-07-12 17:02:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 17:02:26,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 17:02:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-12 17:02:26,302 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-12 17:02:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 17:02:26,302 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 17:02:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-12 17:02:26,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-12 17:02:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-12 17:02:26,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-12 17:02:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 17:02:26,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 17:02:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 17:02:26,303 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 17:02:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 17:02:26,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 17:02:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-12 17:02:26,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-12 17:02:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-07-12 17:02:26,303 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-07-12 17:02:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 17:02:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_get_regs_len [2022-07-12 17:02:26,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_get_regs_len [2022-07-12 17:02:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read [2022-07-12 17:02:26,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read [2022-07-12 17:02:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-07-12 17:02:26,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-07-12 17:02:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_do_set_mac_address [2022-07-12 17:02:26,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_do_set_mac_address [2022-07-12 17:02:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_init_ring [2022-07-12 17:02:26,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_init_ring [2022-07-12 17:02:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_nocache [2022-07-12 17:02:26,304 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_nocache [2022-07-12 17:02:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-12 17:02:26,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-12 17:02:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 17:02:26,304 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 17:02:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2022-07-12 17:02:26,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2022-07-12 17:02:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2022-07-12 17:02:26,304 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2022-07-12 17:02:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 17:02:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 17:02:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-12 17:02:26,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-12 17:02:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 17:02:26,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 17:02:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-12 17:02:26,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-12 17:02:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 17:02:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-12 17:02:26,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-12 17:02:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-12 17:02:26,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-12 17:02:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 17:02:26,305 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 17:02:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-12 17:02:26,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-12 17:02:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_interrupt [2022-07-12 17:02:26,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_interrupt [2022-07-12 17:02:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 17:02:26,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 17:02:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-12 17:02:26,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-12 17:02:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-12 17:02:26,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-12 17:02:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_probe [2022-07-12 17:02:26,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_probe [2022-07-12 17:02:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 17:02:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure __devm_request_region [2022-07-12 17:02:26,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __devm_request_region [2022-07-12 17:02:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_resume [2022-07-12 17:02:26,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_resume [2022-07-12 17:02:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-07-12 17:02:26,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-07-12 17:02:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 17:02:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-12 17:02:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-12 17:02:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write_bd [2022-07-12 17:02:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write_bd [2022-07-12 17:02:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 17:02:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 17:02:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 17:02:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 17:02:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write [2022-07-12 17:02:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write [2022-07-12 17:02:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 17:02:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 17:02:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 17:02:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 17:02:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-12 17:02:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-12 17:02:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 17:02:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 17:02:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_remove [2022-07-12 17:02:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_remove [2022-07-12 17:02:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_tx_timeout [2022-07-12 17:02:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_tx_timeout [2022-07-12 17:02:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 17:02:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 17:02:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-07-12 17:02:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-07-12 17:02:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 17:02:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 17:02:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 17:02:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 17:02:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-07-12 17:02:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-07-12 17:02:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 17:02:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 17:02:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-12 17:02:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 17:02:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 17:02:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-12 17:02:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-12 17:02:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_stop [2022-07-12 17:02:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_stop [2022-07-12 17:02:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-12 17:02:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-12 17:02:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 17:02:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-12 17:02:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-12 17:02:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_ack_irq [2022-07-12 17:02:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_ack_irq [2022-07-12 17:02:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 17:02:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 17:02:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 17:02:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 17:02:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_rx_and_tx [2022-07-12 17:02:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_rx_and_tx [2022-07-12 17:02:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_rx_and_tx [2022-07-12 17:02:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_rx_and_tx [2022-07-12 17:02:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-12 17:02:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-12 17:02:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 17:02:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 17:02:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 17:02:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 17:02:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2022-07-12 17:02:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2022-07-12 17:02:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-12 17:02:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-12 17:02:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-12 17:02:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-12 17:02:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 17:02:26,317 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 17:02:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 17:02:26,317 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 17:02:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-12 17:02:26,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-12 17:02:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 17:02:26,317 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 17:02:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 17:02:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-12 17:02:26,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-12 17:02:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-07-12 17:02:26,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-07-12 17:02:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 17:02:26,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 17:02:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-12 17:02:26,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-12 17:02:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-12 17:02:26,319 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-12 17:02:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_irq [2022-07-12 17:02:26,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_irq [2022-07-12 17:02:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_open [2022-07-12 17:02:26,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_open [2022-07-12 17:02:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 17:02:26,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 17:02:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-12 17:02:26,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-12 17:02:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_irq [2022-07-12 17:02:26,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_irq [2022-07-12 17:02:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 17:02:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-07-12 17:02:26,321 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-07-12 17:02:27,081 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 17:02:27,084 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 17:02:27,148 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 17:02:41,714 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 17:02:41,736 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 17:02:41,736 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-12 17:02:41,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 05:02:41 BoogieIcfgContainer [2022-07-12 17:02:41,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 17:02:41,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 17:02:41,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 17:02:41,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 17:02:41,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 05:02:20" (1/3) ... [2022-07-12 17:02:41,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea2331b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 05:02:41, skipping insertion in model container [2022-07-12 17:02:41,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:25" (2/3) ... [2022-07-12 17:02:41,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea2331b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 05:02:41, skipping insertion in model container [2022-07-12 17:02:41,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 05:02:41" (3/3) ... [2022-07-12 17:02:41,753 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i [2022-07-12 17:02:41,769 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 17:02:41,770 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2022-07-12 17:02:41,862 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 17:02:41,869 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@453c4d3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@160be602 [2022-07-12 17:02:41,869 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-07-12 17:02:41,883 INFO L276 IsEmpty]: Start isEmpty. Operand has 1443 states, 1016 states have (on average 1.3051181102362204) internal successors, (1326), 1064 states have internal predecessors, (1326), 315 states have call successors, (315), 85 states have call predecessors, (315), 84 states have return successors, (309), 307 states have call predecessors, (309), 309 states have call successors, (309) [2022-07-12 17:02:41,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-12 17:02:41,895 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:02:41,896 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:02:41,896 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:02:41,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:02:41,902 INFO L85 PathProgramCache]: Analyzing trace with hash 136173705, now seen corresponding path program 1 times [2022-07-12 17:02:41,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:02:41,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366759889] [2022-07-12 17:02:41,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:02:41,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:02:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:42,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:02:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:42,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:02:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:42,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:02:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:42,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 17:02:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:42,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 17:02:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:42,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 17:02:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:42,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:02:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:42,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 17:02:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:42,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:02:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:02:42,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:02:42,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366759889] [2022-07-12 17:02:42,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366759889] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:02:42,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:02:42,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:02:42,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634540863] [2022-07-12 17:02:42,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:02:42,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:02:42,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:02:42,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:02:42,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:02:42,959 INFO L87 Difference]: Start difference. First operand has 1443 states, 1016 states have (on average 1.3051181102362204) internal successors, (1326), 1064 states have internal predecessors, (1326), 315 states have call successors, (315), 85 states have call predecessors, (315), 84 states have return successors, (309), 307 states have call predecessors, (309), 309 states have call successors, (309) Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 17:02:45,048 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 [] [2022-07-12 17:02:47,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:02:58,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:02:58,959 INFO L93 Difference]: Finished difference Result 3094 states and 4315 transitions. [2022-07-12 17:02:58,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:02:58,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 64 [2022-07-12 17:02:58,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:02:58,990 INFO L225 Difference]: With dead ends: 3094 [2022-07-12 17:02:58,990 INFO L226 Difference]: Without dead ends: 1661 [2022-07-12 17:02:59,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-12 17:02:59,012 INFO L413 NwaCegarLoop]: 1702 mSDtfsCounter, 3646 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 2434 mSolverCounterSat, 1736 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3757 SdHoareTripleChecker+Valid, 2463 SdHoareTripleChecker+Invalid, 4172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1736 IncrementalHoareTripleChecker+Valid, 2434 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-07-12 17:02:59,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3757 Valid, 2463 Invalid, 4172 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1736 Valid, 2434 Invalid, 2 Unknown, 0 Unchecked, 15.2s Time] [2022-07-12 17:02:59,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2022-07-12 17:02:59,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1401. [2022-07-12 17:02:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1401 states, 983 states have (on average 1.2238046795523907) internal successors, (1203), 1026 states have internal predecessors, (1203), 309 states have call successors, (309), 84 states have call predecessors, (309), 83 states have return successors, (307), 305 states have call predecessors, (307), 307 states have call successors, (307) [2022-07-12 17:02:59,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1401 states and 1819 transitions. [2022-07-12 17:02:59,213 INFO L78 Accepts]: Start accepts. Automaton has 1401 states and 1819 transitions. Word has length 64 [2022-07-12 17:02:59,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:02:59,215 INFO L495 AbstractCegarLoop]: Abstraction has 1401 states and 1819 transitions. [2022-07-12 17:02:59,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 17:02:59,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1819 transitions. [2022-07-12 17:02:59,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-12 17:02:59,225 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:02:59,225 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:02:59,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 17:02:59,226 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:02:59,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:02:59,227 INFO L85 PathProgramCache]: Analyzing trace with hash 2060594057, now seen corresponding path program 1 times [2022-07-12 17:02:59,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:02:59,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403875161] [2022-07-12 17:02:59,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:02:59,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:02:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:59,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:02:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:59,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:02:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:59,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:02:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:59,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 17:02:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:59,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 17:02:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:59,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 17:02:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:59,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:02:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:59,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 17:02:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:59,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:02:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:59,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:02:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:02:59,765 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:02:59,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:02:59,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403875161] [2022-07-12 17:02:59,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403875161] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:02:59,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:02:59,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:02:59,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219720150] [2022-07-12 17:02:59,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:02:59,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:02:59,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:02:59,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:02:59,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:02:59,774 INFO L87 Difference]: Start difference. First operand 1401 states and 1819 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-12 17:03:01,825 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 [] [2022-07-12 17:03:03,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:03:15,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:15,028 INFO L93 Difference]: Finished difference Result 1661 states and 2207 transitions. [2022-07-12 17:03:15,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:03:15,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 70 [2022-07-12 17:03:15,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:15,039 INFO L225 Difference]: With dead ends: 1661 [2022-07-12 17:03:15,040 INFO L226 Difference]: Without dead ends: 1659 [2022-07-12 17:03:15,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-12 17:03:15,042 INFO L413 NwaCegarLoop]: 1727 mSDtfsCounter, 3521 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 2464 mSolverCounterSat, 1708 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3629 SdHoareTripleChecker+Valid, 2468 SdHoareTripleChecker+Invalid, 4174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1708 IncrementalHoareTripleChecker+Valid, 2464 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:15,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3629 Valid, 2468 Invalid, 4174 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1708 Valid, 2464 Invalid, 2 Unknown, 0 Unchecked, 14.7s Time] [2022-07-12 17:03:15,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2022-07-12 17:03:15,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1399. [2022-07-12 17:03:15,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1399 states, 982 states have (on average 1.2230142566191446) internal successors, (1201), 1024 states have internal predecessors, (1201), 309 states have call successors, (309), 84 states have call predecessors, (309), 83 states have return successors, (307), 305 states have call predecessors, (307), 307 states have call successors, (307) [2022-07-12 17:03:15,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1399 states and 1817 transitions. [2022-07-12 17:03:15,110 INFO L78 Accepts]: Start accepts. Automaton has 1399 states and 1817 transitions. Word has length 70 [2022-07-12 17:03:15,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:15,110 INFO L495 AbstractCegarLoop]: Abstraction has 1399 states and 1817 transitions. [2022-07-12 17:03:15,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-12 17:03:15,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1817 transitions. [2022-07-12 17:03:15,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-07-12 17:03:15,112 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:15,112 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:15,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 17:03:15,113 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:15,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:15,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1622933905, now seen corresponding path program 1 times [2022-07-12 17:03:15,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:03:15,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410732680] [2022-07-12 17:03:15,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:15,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:03:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:15,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:03:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:15,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:03:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:15,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:03:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:15,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 17:03:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:15,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 17:03:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:15,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 17:03:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:15,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:03:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:15,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 17:03:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:15,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:03:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:03:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:15,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:03:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:03:15,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:03:15,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410732680] [2022-07-12 17:03:15,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410732680] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:15,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:15,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:03:15,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114626462] [2022-07-12 17:03:15,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:15,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:03:15,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:03:15,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:03:15,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:03:15,598 INFO L87 Difference]: Start difference. First operand 1399 states and 1817 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-12 17:03:17,630 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 [] [2022-07-12 17:03:19,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:03:31,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:31,672 INFO L93 Difference]: Finished difference Result 1659 states and 2205 transitions. [2022-07-12 17:03:31,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:03:31,673 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 76 [2022-07-12 17:03:31,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:31,682 INFO L225 Difference]: With dead ends: 1659 [2022-07-12 17:03:31,683 INFO L226 Difference]: Without dead ends: 1657 [2022-07-12 17:03:31,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-12 17:03:31,685 INFO L413 NwaCegarLoop]: 1655 mSDtfsCounter, 3629 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 2392 mSolverCounterSat, 1747 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3736 SdHoareTripleChecker+Valid, 2396 SdHoareTripleChecker+Invalid, 4141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1747 IncrementalHoareTripleChecker+Valid, 2392 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:31,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3736 Valid, 2396 Invalid, 4141 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1747 Valid, 2392 Invalid, 2 Unknown, 0 Unchecked, 15.6s Time] [2022-07-12 17:03:31,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2022-07-12 17:03:31,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1397. [2022-07-12 17:03:31,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1397 states, 981 states have (on average 1.2222222222222223) internal successors, (1199), 1022 states have internal predecessors, (1199), 309 states have call successors, (309), 84 states have call predecessors, (309), 83 states have return successors, (307), 305 states have call predecessors, (307), 307 states have call successors, (307) [2022-07-12 17:03:31,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 1815 transitions. [2022-07-12 17:03:31,755 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 1815 transitions. Word has length 76 [2022-07-12 17:03:31,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:31,755 INFO L495 AbstractCegarLoop]: Abstraction has 1397 states and 1815 transitions. [2022-07-12 17:03:31,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-12 17:03:31,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1815 transitions. [2022-07-12 17:03:31,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-12 17:03:31,757 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:31,757 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:31,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 17:03:31,757 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:31,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:31,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1511111317, now seen corresponding path program 1 times [2022-07-12 17:03:31,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:03:31,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665299262] [2022-07-12 17:03:31,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:31,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:03:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:32,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:03:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:32,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:03:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:32,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:03:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:32,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 17:03:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:32,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 17:03:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:32,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 17:03:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:32,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:03:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:32,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 17:03:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:32,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:03:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:32,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:03:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:32,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:03:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:32,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:03:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:32,254 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:03:32,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:03:32,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665299262] [2022-07-12 17:03:32,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665299262] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:32,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:32,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:03:32,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367383178] [2022-07-12 17:03:32,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:32,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:03:32,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:03:32,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:03:32,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:03:32,258 INFO L87 Difference]: Start difference. First operand 1397 states and 1815 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-12 17:03:34,291 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 [] [2022-07-12 17:03:36,350 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:03:47,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:47,364 INFO L93 Difference]: Finished difference Result 1657 states and 2203 transitions. [2022-07-12 17:03:47,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:03:47,364 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 82 [2022-07-12 17:03:47,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:47,375 INFO L225 Difference]: With dead ends: 1657 [2022-07-12 17:03:47,375 INFO L226 Difference]: Without dead ends: 1655 [2022-07-12 17:03:47,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-12 17:03:47,378 INFO L413 NwaCegarLoop]: 1695 mSDtfsCounter, 3555 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 2432 mSolverCounterSat, 1723 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3661 SdHoareTripleChecker+Valid, 2436 SdHoareTripleChecker+Invalid, 4157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1723 IncrementalHoareTripleChecker+Valid, 2432 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:47,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3661 Valid, 2436 Invalid, 4157 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1723 Valid, 2432 Invalid, 2 Unknown, 0 Unchecked, 14.7s Time] [2022-07-12 17:03:47,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1655 states. [2022-07-12 17:03:47,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1655 to 1395. [2022-07-12 17:03:47,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1395 states, 980 states have (on average 1.2214285714285715) internal successors, (1197), 1020 states have internal predecessors, (1197), 309 states have call successors, (309), 84 states have call predecessors, (309), 83 states have return successors, (307), 305 states have call predecessors, (307), 307 states have call successors, (307) [2022-07-12 17:03:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1813 transitions. [2022-07-12 17:03:47,451 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1813 transitions. Word has length 82 [2022-07-12 17:03:47,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:47,452 INFO L495 AbstractCegarLoop]: Abstraction has 1395 states and 1813 transitions. [2022-07-12 17:03:47,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-12 17:03:47,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1813 transitions. [2022-07-12 17:03:47,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-12 17:03:47,454 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:47,456 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:47,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 17:03:47,456 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:47,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:47,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1648512030, now seen corresponding path program 1 times [2022-07-12 17:03:47,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:03:47,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676191433] [2022-07-12 17:03:47,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:47,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:03:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:47,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:03:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:47,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:03:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:47,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:03:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:47,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 17:03:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:47,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 17:03:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:47,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 17:03:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:47,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:03:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:47,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 17:03:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:47,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:03:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:47,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:03:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:47,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:03:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:47,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:03:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:47,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:03:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:47,980 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:03:47,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:03:47,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676191433] [2022-07-12 17:03:47,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676191433] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:47,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:47,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:03:47,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045922883] [2022-07-12 17:03:47,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:47,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:03:47,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:03:47,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:03:47,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:03:47,983 INFO L87 Difference]: Start difference. First operand 1395 states and 1813 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-12 17:03:50,032 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 [] [2022-07-12 17:03:52,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:04:02,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:02,710 INFO L93 Difference]: Finished difference Result 1655 states and 2201 transitions. [2022-07-12 17:04:02,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:04:02,711 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 88 [2022-07-12 17:04:02,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:02,720 INFO L225 Difference]: With dead ends: 1655 [2022-07-12 17:04:02,720 INFO L226 Difference]: Without dead ends: 1653 [2022-07-12 17:04:02,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-12 17:04:02,722 INFO L413 NwaCegarLoop]: 1685 mSDtfsCounter, 3573 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 2422 mSolverCounterSat, 1711 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3678 SdHoareTripleChecker+Valid, 2426 SdHoareTripleChecker+Invalid, 4135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1711 IncrementalHoareTripleChecker+Valid, 2422 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:02,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3678 Valid, 2426 Invalid, 4135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1711 Valid, 2422 Invalid, 2 Unknown, 0 Unchecked, 14.3s Time] [2022-07-12 17:04:02,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2022-07-12 17:04:02,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1393. [2022-07-12 17:04:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 979 states have (on average 1.2206332992849847) internal successors, (1195), 1018 states have internal predecessors, (1195), 309 states have call successors, (309), 84 states have call predecessors, (309), 83 states have return successors, (307), 305 states have call predecessors, (307), 307 states have call successors, (307) [2022-07-12 17:04:02,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1811 transitions. [2022-07-12 17:04:02,787 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1811 transitions. Word has length 88 [2022-07-12 17:04:02,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:02,788 INFO L495 AbstractCegarLoop]: Abstraction has 1393 states and 1811 transitions. [2022-07-12 17:04:02,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-12 17:04:02,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1811 transitions. [2022-07-12 17:04:02,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-12 17:04:02,789 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:02,790 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:02,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 17:04:02,790 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:04:02,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:02,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1478399947, now seen corresponding path program 1 times [2022-07-12 17:04:02,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:04:02,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957529489] [2022-07-12 17:04:02,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:02,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:04:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:03,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:04:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:03,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:04:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:03,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:04:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:03,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 17:04:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:03,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 17:04:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:03,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 17:04:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:03,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:04:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:03,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 17:04:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:03,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:04:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:03,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:04:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:03,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:04:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:03,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:04:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:03,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:04:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:03,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:04:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:04:03,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:04:03,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957529489] [2022-07-12 17:04:03,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957529489] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:03,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:03,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:04:03,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115557264] [2022-07-12 17:04:03,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:03,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:04:03,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:04:03,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:04:03,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:04:03,201 INFO L87 Difference]: Start difference. First operand 1393 states and 1811 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-12 17:04:05,233 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 [] [2022-07-12 17:04:07,249 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 [] [2022-07-12 17:04:18,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:18,435 INFO L93 Difference]: Finished difference Result 1653 states and 2199 transitions. [2022-07-12 17:04:18,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:04:18,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 94 [2022-07-12 17:04:18,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:18,445 INFO L225 Difference]: With dead ends: 1653 [2022-07-12 17:04:18,445 INFO L226 Difference]: Without dead ends: 1651 [2022-07-12 17:04:18,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-12 17:04:18,448 INFO L413 NwaCegarLoop]: 1719 mSDtfsCounter, 3499 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 2456 mSolverCounterSat, 1705 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3603 SdHoareTripleChecker+Valid, 2460 SdHoareTripleChecker+Invalid, 4163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1705 IncrementalHoareTripleChecker+Valid, 2456 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:18,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3603 Valid, 2460 Invalid, 4163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1705 Valid, 2456 Invalid, 2 Unknown, 0 Unchecked, 14.8s Time] [2022-07-12 17:04:18,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2022-07-12 17:04:18,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1391. [2022-07-12 17:04:18,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1391 states, 978 states have (on average 1.2198364008179958) internal successors, (1193), 1016 states have internal predecessors, (1193), 309 states have call successors, (309), 84 states have call predecessors, (309), 83 states have return successors, (307), 305 states have call predecessors, (307), 307 states have call successors, (307) [2022-07-12 17:04:18,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1809 transitions. [2022-07-12 17:04:18,531 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1809 transitions. Word has length 94 [2022-07-12 17:04:18,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:18,532 INFO L495 AbstractCegarLoop]: Abstraction has 1391 states and 1809 transitions. [2022-07-12 17:04:18,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-12 17:04:18,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1809 transitions. [2022-07-12 17:04:18,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-07-12 17:04:18,534 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:18,534 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:18,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 17:04:18,534 INFO L420 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 25 more)] === [2022-07-12 17:04:18,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:18,535 INFO L85 PathProgramCache]: Analyzing trace with hash -700697365, now seen corresponding path program 1 times [2022-07-12 17:04:18,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:04:18,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681962765] [2022-07-12 17:04:18,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:18,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:04:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:04:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:18,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:04:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:18,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:04:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:18,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 17:04:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:18,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 17:04:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:18,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 17:04:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:19,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:04:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:19,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 17:04:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:19,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:04:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:19,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:04:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:19,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:04:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:19,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:04:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:19,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:04:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:19,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:04:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:19,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:04:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:19,073 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:04:19,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:04:19,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681962765] [2022-07-12 17:04:19,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681962765] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:19,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:19,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:04:19,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973598538] [2022-07-12 17:04:19,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:19,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:04:19,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:04:19,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:04:19,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:04:19,076 INFO L87 Difference]: Start difference. First operand 1391 states and 1809 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-12 17:04:21,108 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 [] [2022-07-12 17:04:23,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:04:34,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:34,374 INFO L93 Difference]: Finished difference Result 1651 states and 2197 transitions. [2022-07-12 17:04:34,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:04:34,375 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 100 [2022-07-12 17:04:34,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:34,381 INFO L225 Difference]: With dead ends: 1651 [2022-07-12 17:04:34,382 INFO L226 Difference]: Without dead ends: 1649 [2022-07-12 17:04:34,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-12 17:04:34,384 INFO L413 NwaCegarLoop]: 1753 mSDtfsCounter, 3443 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 2490 mSolverCounterSat, 1672 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3546 SdHoareTripleChecker+Valid, 2494 SdHoareTripleChecker+Invalid, 4164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1672 IncrementalHoareTripleChecker+Valid, 2490 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:34,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3546 Valid, 2494 Invalid, 4164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1672 Valid, 2490 Invalid, 2 Unknown, 0 Unchecked, 14.8s Time] [2022-07-12 17:04:34,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2022-07-12 17:04:34,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1389. [2022-07-12 17:04:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1389 states, 977 states have (on average 1.2190378710337768) internal successors, (1191), 1014 states have internal predecessors, (1191), 309 states have call successors, (309), 84 states have call predecessors, (309), 83 states have return successors, (307), 305 states have call predecessors, (307), 307 states have call successors, (307) [2022-07-12 17:04:34,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 1807 transitions. [2022-07-12 17:04:34,470 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 1807 transitions. Word has length 100 [2022-07-12 17:04:34,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:34,471 INFO L495 AbstractCegarLoop]: Abstraction has 1389 states and 1807 transitions. [2022-07-12 17:04:34,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-12 17:04:34,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1807 transitions. [2022-07-12 17:04:34,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-12 17:04:34,473 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:34,474 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:34,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 17:04:34,474 INFO L420 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 25 more)] === [2022-07-12 17:04:34,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:34,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1141859929, now seen corresponding path program 1 times [2022-07-12 17:04:34,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:04:34,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666083941] [2022-07-12 17:04:34,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:34,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:04:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:34,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:04:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:34,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:04:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:34,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:04:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:34,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 17:04:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:34,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 17:04:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:34,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 17:04:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:34,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:04:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:34,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 17:04:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:34,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:04:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:34,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:04:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:34,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:04:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:34,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:04:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:34,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:04:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:34,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:04:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:34,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:04:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:34,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:04:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:34,944 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:04:34,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:04:34,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666083941] [2022-07-12 17:04:34,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666083941] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:34,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:34,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:04:34,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356645702] [2022-07-12 17:04:34,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:34,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:04:34,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:04:34,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:04:34,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:04:34,947 INFO L87 Difference]: Start difference. First operand 1389 states and 1807 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-12 17:04:36,977 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 [] [2022-07-12 17:04:39,017 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 [] [2022-07-12 17:04:49,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:49,754 INFO L93 Difference]: Finished difference Result 1649 states and 2195 transitions. [2022-07-12 17:04:49,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:04:49,755 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106 [2022-07-12 17:04:49,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:49,763 INFO L225 Difference]: With dead ends: 1649 [2022-07-12 17:04:49,763 INFO L226 Difference]: Without dead ends: 1647 [2022-07-12 17:04:49,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-12 17:04:49,765 INFO L413 NwaCegarLoop]: 1648 mSDtfsCounter, 3607 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 2381 mSolverCounterSat, 1732 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3709 SdHoareTripleChecker+Valid, 2389 SdHoareTripleChecker+Invalid, 4115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1732 IncrementalHoareTripleChecker+Valid, 2381 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:49,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3709 Valid, 2389 Invalid, 4115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1732 Valid, 2381 Invalid, 2 Unknown, 0 Unchecked, 14.3s Time] [2022-07-12 17:04:49,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2022-07-12 17:04:49,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1387. [2022-07-12 17:04:49,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1387 states, 976 states have (on average 1.2182377049180328) internal successors, (1189), 1012 states have internal predecessors, (1189), 309 states have call successors, (309), 84 states have call predecessors, (309), 83 states have return successors, (307), 305 states have call predecessors, (307), 307 states have call successors, (307) [2022-07-12 17:04:49,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1805 transitions. [2022-07-12 17:04:49,849 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1805 transitions. Word has length 106 [2022-07-12 17:04:49,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:49,850 INFO L495 AbstractCegarLoop]: Abstraction has 1387 states and 1805 transitions. [2022-07-12 17:04:49,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-12 17:04:49,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1805 transitions. [2022-07-12 17:04:49,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-12 17:04:49,851 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:49,852 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:49,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 17:04:49,852 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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 25 more)] === [2022-07-12 17:04:49,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:49,853 INFO L85 PathProgramCache]: Analyzing trace with hash 186850867, now seen corresponding path program 1 times [2022-07-12 17:04:49,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:04:49,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225569019] [2022-07-12 17:04:49,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:49,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:04:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:04:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:04:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:04:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:04:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:04:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:04:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:04:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:04:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:04:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:04:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:04:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 17:04:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:04:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 17:04:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 17:04:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 17:04:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:04:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:04:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:50,630 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-07-12 17:04:50,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:04:50,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225569019] [2022-07-12 17:04:50,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225569019] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:50,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:50,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 17:04:50,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233029069] [2022-07-12 17:04:50,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:50,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 17:04:50,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:04:50,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 17:04:50,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 17:04:50,634 INFO L87 Difference]: Start difference. First operand 1387 states and 1805 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-12 17:04:52,667 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 [] [2022-07-12 17:04:54,702 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 [] [2022-07-12 17:05:16,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:05:16,477 INFO L93 Difference]: Finished difference Result 4305 states and 5786 transitions. [2022-07-12 17:05:16,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 17:05:16,478 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 116 [2022-07-12 17:05:16,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:05:16,494 INFO L225 Difference]: With dead ends: 4305 [2022-07-12 17:05:16,494 INFO L226 Difference]: Without dead ends: 2937 [2022-07-12 17:05:16,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-07-12 17:05:16,502 INFO L413 NwaCegarLoop]: 1808 mSDtfsCounter, 5590 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 4373 mSolverCounterSat, 3245 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5726 SdHoareTripleChecker+Valid, 2652 SdHoareTripleChecker+Invalid, 7620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3245 IncrementalHoareTripleChecker+Valid, 4373 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2022-07-12 17:05:16,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5726 Valid, 2652 Invalid, 7620 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3245 Valid, 4373 Invalid, 2 Unknown, 0 Unchecked, 24.6s Time] [2022-07-12 17:05:16,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2937 states. [2022-07-12 17:05:16,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2937 to 2776. [2022-07-12 17:05:16,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2776 states, 1994 states have (on average 1.2256770310932799) internal successors, (2444), 2050 states have internal predecessors, (2444), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2022-07-12 17:05:16,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 2776 states and 3723 transitions. [2022-07-12 17:05:16,723 INFO L78 Accepts]: Start accepts. Automaton has 2776 states and 3723 transitions. Word has length 116 [2022-07-12 17:05:16,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:05:16,724 INFO L495 AbstractCegarLoop]: Abstraction has 2776 states and 3723 transitions. [2022-07-12 17:05:16,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-12 17:05:16,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 3723 transitions. [2022-07-12 17:05:16,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-12 17:05:16,727 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:05:16,727 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:05:16,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 17:05:16,728 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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 25 more)] === [2022-07-12 17:05:16,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:05:16,728 INFO L85 PathProgramCache]: Analyzing trace with hash -2110597494, now seen corresponding path program 1 times [2022-07-12 17:05:16,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:05:16,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606756985] [2022-07-12 17:05:16,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:05:16,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:05:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:05:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:17,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:05:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:17,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:05:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:17,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 17:05:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:17,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 17:05:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:17,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 17:05:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:17,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:05:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:17,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 17:05:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:17,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:05:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:17,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:05:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:05:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:17,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:05:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:17,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:05:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:17,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:05:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:17,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:05:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:17,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:05:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:17,248 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:05:17,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:05:17,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606756985] [2022-07-12 17:05:17,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606756985] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:05:17,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:05:17,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:05:17,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435512673] [2022-07-12 17:05:17,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:05:17,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:05:17,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:05:17,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:05:17,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:05:17,251 INFO L87 Difference]: Start difference. First operand 2776 states and 3723 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-12 17:05:19,284 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 [] [2022-07-12 17:05:21,292 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 [] [2022-07-12 17:05:33,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:05:33,174 INFO L93 Difference]: Finished difference Result 2776 states and 3723 transitions. [2022-07-12 17:05:33,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:05:33,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 108 [2022-07-12 17:05:33,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:05:33,192 INFO L225 Difference]: With dead ends: 2776 [2022-07-12 17:05:33,193 INFO L226 Difference]: Without dead ends: 2774 [2022-07-12 17:05:33,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-12 17:05:33,197 INFO L413 NwaCegarLoop]: 1868 mSDtfsCounter, 3231 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 2605 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3333 SdHoareTripleChecker+Valid, 2609 SdHoareTripleChecker+Invalid, 4219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 2605 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-07-12 17:05:33,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3333 Valid, 2609 Invalid, 4219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2605 Invalid, 2 Unknown, 0 Unchecked, 15.4s Time] [2022-07-12 17:05:33,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2774 states. [2022-07-12 17:05:33,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2774 to 2774. [2022-07-12 17:05:33,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 1993 states have (on average 1.2252885097842448) internal successors, (2442), 2048 states have internal predecessors, (2442), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2022-07-12 17:05:33,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3721 transitions. [2022-07-12 17:05:33,517 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3721 transitions. Word has length 108 [2022-07-12 17:05:33,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:05:33,517 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 3721 transitions. [2022-07-12 17:05:33,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-12 17:05:33,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3721 transitions. [2022-07-12 17:05:33,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-12 17:05:33,520 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:05:33,521 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:05:33,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 17:05:33,521 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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 25 more)] === [2022-07-12 17:05:33,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:05:33,522 INFO L85 PathProgramCache]: Analyzing trace with hash 305742498, now seen corresponding path program 1 times [2022-07-12 17:05:33,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:05:33,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388388728] [2022-07-12 17:05:33,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:05:33,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:05:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:33,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:05:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:33,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:05:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:33,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:05:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:33,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:05:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:33,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:05:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:05:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:33,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:05:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:33,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:05:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:33,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:05:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:33,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:05:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:33,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:05:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:33,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 17:05:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:34,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:05:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:34,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 17:05:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:34,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 17:05:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:34,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 17:05:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:34,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:05:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:34,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:05:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:34,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 17:05:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:34,437 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-12 17:05:34,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:05:34,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388388728] [2022-07-12 17:05:34,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388388728] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 17:05:34,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259541589] [2022-07-12 17:05:34,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:05:34,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:05:34,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:05:34,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 17:05:34,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 17:05:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:35,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 2559 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 17:05:35,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:05:35,910 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-07-12 17:05:35,910 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:05:35,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259541589] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:05:35,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 17:05:35,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-07-12 17:05:35,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763080884] [2022-07-12 17:05:35,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:05:35,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 17:05:35,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:05:35,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 17:05:35,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-12 17:05:35,918 INFO L87 Difference]: Start difference. First operand 2774 states and 3721 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2022-07-12 17:05:36,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:05:36,165 INFO L93 Difference]: Finished difference Result 5525 states and 7410 transitions. [2022-07-12 17:05:36,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 17:05:36,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 122 [2022-07-12 17:05:36,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:05:36,181 INFO L225 Difference]: With dead ends: 5525 [2022-07-12 17:05:36,182 INFO L226 Difference]: Without dead ends: 2770 [2022-07-12 17:05:36,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-12 17:05:36,194 INFO L413 NwaCegarLoop]: 1797 mSDtfsCounter, 1756 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 1797 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:05:36,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1756 Valid, 1797 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:05:36,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2770 states. [2022-07-12 17:05:36,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2770 to 2770. [2022-07-12 17:05:36,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 1990 states have (on average 1.2246231155778895) internal successors, (2437), 2044 states have internal predecessors, (2437), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2022-07-12 17:05:36,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3716 transitions. [2022-07-12 17:05:36,473 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3716 transitions. Word has length 122 [2022-07-12 17:05:36,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:05:36,473 INFO L495 AbstractCegarLoop]: Abstraction has 2770 states and 3716 transitions. [2022-07-12 17:05:36,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2022-07-12 17:05:36,474 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3716 transitions. [2022-07-12 17:05:36,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-12 17:05:36,475 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:05:36,475 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:05:36,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 17:05:36,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-12 17:05:36,683 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:05:36,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:05:36,684 INFO L85 PathProgramCache]: Analyzing trace with hash 412782822, now seen corresponding path program 1 times [2022-07-12 17:05:36,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:05:36,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519699750] [2022-07-12 17:05:36,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:05:36,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:05:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:36,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:05:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:36,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:05:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:36,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:05:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:37,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 17:05:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:37,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 17:05:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:37,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 17:05:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:37,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:05:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:37,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 17:05:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:37,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:05:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:37,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:05:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:37,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:05:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:37,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:05:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:37,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:05:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:37,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:05:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:37,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:05:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:37,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:05:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:37,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 17:05:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:37,157 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:05:37,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:05:37,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519699750] [2022-07-12 17:05:37,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519699750] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:05:37,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:05:37,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:05:37,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711839158] [2022-07-12 17:05:37,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:05:37,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:05:37,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:05:37,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:05:37,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:05:37,160 INFO L87 Difference]: Start difference. First operand 2770 states and 3716 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-12 17:05:39,190 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 [] [2022-07-12 17:05:41,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:05:53,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:05:53,141 INFO L93 Difference]: Finished difference Result 2770 states and 3716 transitions. [2022-07-12 17:05:53,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:05:53,141 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 114 [2022-07-12 17:05:53,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:05:53,155 INFO L225 Difference]: With dead ends: 2770 [2022-07-12 17:05:53,155 INFO L226 Difference]: Without dead ends: 2768 [2022-07-12 17:05:53,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-12 17:05:53,158 INFO L413 NwaCegarLoop]: 1861 mSDtfsCounter, 3222 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 2602 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3323 SdHoareTripleChecker+Valid, 2588 SdHoareTripleChecker+Invalid, 4216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 2602 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-07-12 17:05:53,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3323 Valid, 2588 Invalid, 4216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2602 Invalid, 2 Unknown, 0 Unchecked, 15.4s Time] [2022-07-12 17:05:53,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2768 states. [2022-07-12 17:05:53,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2768 to 2768. [2022-07-12 17:05:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2768 states, 1989 states have (on average 1.2242332830568126) internal successors, (2435), 2042 states have internal predecessors, (2435), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2022-07-12 17:05:53,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 2768 states and 3714 transitions. [2022-07-12 17:05:53,409 INFO L78 Accepts]: Start accepts. Automaton has 2768 states and 3714 transitions. Word has length 114 [2022-07-12 17:05:53,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:05:53,409 INFO L495 AbstractCegarLoop]: Abstraction has 2768 states and 3714 transitions. [2022-07-12 17:05:53,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-12 17:05:53,410 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 3714 transitions. [2022-07-12 17:05:53,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-12 17:05:53,411 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:05:53,411 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:05:53,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 17:05:53,412 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:05:53,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:05:53,412 INFO L85 PathProgramCache]: Analyzing trace with hash 99295502, now seen corresponding path program 1 times [2022-07-12 17:05:53,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:05:53,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578108343] [2022-07-12 17:05:53,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:05:53,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:05:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:05:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:05:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:05:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 17:05:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 17:05:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 17:05:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:05:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 17:05:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:05:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:05:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:05:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:05:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:05:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:05:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:05:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:05:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 17:05:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 17:05:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:53,829 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:05:53,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:05:53,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578108343] [2022-07-12 17:05:53,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578108343] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:05:53,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:05:53,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:05:53,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201469453] [2022-07-12 17:05:53,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:05:53,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:05:53,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:05:53,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:05:53,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:05:53,832 INFO L87 Difference]: Start difference. First operand 2768 states and 3714 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-12 17:05:55,862 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 [] [2022-07-12 17:05:57,886 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 [] [2022-07-12 17:06:09,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:06:09,245 INFO L93 Difference]: Finished difference Result 2768 states and 3714 transitions. [2022-07-12 17:06:09,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:06:09,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 120 [2022-07-12 17:06:09,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:06:09,258 INFO L225 Difference]: With dead ends: 2768 [2022-07-12 17:06:09,258 INFO L226 Difference]: Without dead ends: 2766 [2022-07-12 17:06:09,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-12 17:06:09,260 INFO L413 NwaCegarLoop]: 1859 mSDtfsCounter, 3216 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 2600 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3316 SdHoareTripleChecker+Valid, 2586 SdHoareTripleChecker+Invalid, 4214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 2600 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2022-07-12 17:06:09,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3316 Valid, 2586 Invalid, 4214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2600 Invalid, 2 Unknown, 0 Unchecked, 14.8s Time] [2022-07-12 17:06:09,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2766 states. [2022-07-12 17:06:09,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2766 to 2766. [2022-07-12 17:06:09,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 1988 states have (on average 1.2238430583501005) internal successors, (2433), 2040 states have internal predecessors, (2433), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2022-07-12 17:06:09,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 3712 transitions. [2022-07-12 17:06:09,473 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 3712 transitions. Word has length 120 [2022-07-12 17:06:09,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:06:09,474 INFO L495 AbstractCegarLoop]: Abstraction has 2766 states and 3712 transitions. [2022-07-12 17:06:09,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-12 17:06:09,474 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3712 transitions. [2022-07-12 17:06:09,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-12 17:06:09,476 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:06:09,476 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:06:09,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 17:06:09,477 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:06:09,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:06:09,477 INFO L85 PathProgramCache]: Analyzing trace with hash 924858769, now seen corresponding path program 1 times [2022-07-12 17:06:09,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:06:09,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267356291] [2022-07-12 17:06:09,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:06:09,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:06:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:06:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:06:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:06:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 17:06:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 17:06:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 17:06:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:06:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 17:06:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:06:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:06:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:06:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:06:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:06:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:06:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:06:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:06:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 17:06:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 17:06:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 17:06:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:09,959 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:06:09,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:06:09,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267356291] [2022-07-12 17:06:09,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267356291] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:06:09,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:06:09,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:06:09,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058109955] [2022-07-12 17:06:09,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:06:09,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:06:09,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:06:09,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:06:09,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:06:09,963 INFO L87 Difference]: Start difference. First operand 2766 states and 3712 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 17:06:11,994 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 [] [2022-07-12 17:06:14,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []