./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 eb692b52 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-?-eb692b5 [2022-07-20 04:04:26,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 04:04:26,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 04:04:26,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 04:04:26,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 04:04:26,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 04:04:26,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 04:04:26,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 04:04:26,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 04:04:26,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 04:04:26,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 04:04:26,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 04:04:26,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 04:04:26,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 04:04:26,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 04:04:26,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 04:04:26,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 04:04:26,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 04:04:26,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 04:04:26,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 04:04:26,287 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 04:04:26,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 04:04:26,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 04:04:26,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 04:04:26,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 04:04:26,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 04:04:26,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 04:04:26,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 04:04:26,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 04:04:26,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 04:04:26,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 04:04:26,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 04:04:26,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 04:04:26,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 04:04:26,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 04:04:26,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 04:04:26,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 04:04:26,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 04:04:26,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 04:04:26,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 04:04:26,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 04:04:26,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 04:04:26,312 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 04:04:26,349 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 04:04:26,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 04:04:26,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 04:04:26,351 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 04:04:26,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 04:04:26,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 04:04:26,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 04:04:26,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 04:04:26,353 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 04:04:26,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 04:04:26,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 04:04:26,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 04:04:26,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 04:04:26,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 04:04:26,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 04:04:26,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 04:04:26,356 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 04:04:26,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 04:04:26,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 04:04:26,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 04:04:26,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 04:04:26,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 04:04:26,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 04:04:26,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 04:04:26,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 04:04:26,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 04:04:26,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 04:04:26,358 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 04:04:26,358 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 04:04:26,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 04:04:26,359 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c876950d5c00e8640720d61b331acdf557de17a26b73c3a1c23616adb1922b3 [2022-07-20 04:04:26,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 04:04:26,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 04:04:26,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 04:04:26,634 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 04:04:26,634 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 04:04:26,635 INFO L432 ainManager$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 [2022-07-20 04:04:26,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d6b6426e/a9cedf568da04c0c82849bb23d16ae55/FLAG3fd15489a [2022-07-20 04:04:27,545 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 04:04:27,545 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 [2022-07-20 04:04:27,598 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d6b6426e/a9cedf568da04c0c82849bb23d16ae55/FLAG3fd15489a [2022-07-20 04:04:27,705 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d6b6426e/a9cedf568da04c0c82849bb23d16ae55 [2022-07-20 04:04:27,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 04:04:27,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 04:04:27,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 04:04:27,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 04:04:27,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 04:04:27,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:04:27" (1/1) ... [2022-07-20 04:04:27,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@247ecf60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:04:27, skipping insertion in model container [2022-07-20 04:04:27,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:04:27" (1/1) ... [2022-07-20 04:04:27,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 04:04:27,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 04:04:31,362 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] [2022-07-20 04:04:31,364 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[379976,379989] [2022-07-20 04:04:31,365 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[380122,380135] [2022-07-20 04:04:31,365 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[380287,380300] [2022-07-20 04:04:31,366 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[380445,380458] [2022-07-20 04:04:31,366 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[380603,380616] [2022-07-20 04:04:31,367 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[380761,380774] [2022-07-20 04:04:31,367 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[380921,380934] [2022-07-20 04:04:31,368 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[381080,381093] [2022-07-20 04:04:31,368 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[381219,381232] [2022-07-20 04:04:31,368 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] [2022-07-20 04:04:31,369 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[381510,381523] [2022-07-20 04:04:31,369 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[381649,381662] [2022-07-20 04:04:31,372 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[381804,381817] [2022-07-20 04:04:31,378 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[381964,381977] [2022-07-20 04:04:31,379 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[382115,382128] [2022-07-20 04:04:31,379 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[382266,382279] [2022-07-20 04:04:31,380 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[382418,382431] [2022-07-20 04:04:31,380 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[382567,382580] [2022-07-20 04:04:31,381 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] [2022-07-20 04:04:31,381 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] [2022-07-20 04:04:31,382 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] [2022-07-20 04:04:31,382 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] [2022-07-20 04:04:31,383 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] [2022-07-20 04:04:31,383 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] [2022-07-20 04:04:31,383 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] [2022-07-20 04:04:31,384 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] [2022-07-20 04:04:31,384 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] [2022-07-20 04:04:31,385 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] [2022-07-20 04:04:31,385 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] [2022-07-20 04:04:31,386 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] [2022-07-20 04:04:31,386 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] [2022-07-20 04:04:31,386 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] [2022-07-20 04:04:31,387 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] [2022-07-20 04:04:31,387 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] [2022-07-20 04:04:31,388 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] [2022-07-20 04:04:31,388 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] [2022-07-20 04:04:31,389 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] [2022-07-20 04:04:31,389 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] [2022-07-20 04:04:31,389 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] [2022-07-20 04:04:31,390 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] [2022-07-20 04:04:31,390 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] [2022-07-20 04:04:31,391 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] [2022-07-20 04:04:31,391 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] [2022-07-20 04:04:31,391 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] [2022-07-20 04:04:31,392 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] [2022-07-20 04:04:31,392 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] [2022-07-20 04:04:31,393 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] [2022-07-20 04:04:31,393 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] [2022-07-20 04:04:31,393 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] [2022-07-20 04:04:31,394 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] [2022-07-20 04:04:31,394 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] [2022-07-20 04:04:31,395 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] [2022-07-20 04:04:31,395 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] [2022-07-20 04:04:31,395 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] [2022-07-20 04:04:31,396 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] [2022-07-20 04:04:31,396 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] [2022-07-20 04:04:31,397 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] [2022-07-20 04:04:31,397 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] [2022-07-20 04:04:31,397 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] [2022-07-20 04:04:31,398 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] [2022-07-20 04:04:31,398 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] [2022-07-20 04:04:31,399 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] [2022-07-20 04:04:31,399 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] [2022-07-20 04:04:31,399 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] [2022-07-20 04:04:31,400 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] [2022-07-20 04:04:31,400 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] [2022-07-20 04:04:31,401 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] [2022-07-20 04:04:31,401 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] [2022-07-20 04:04:31,401 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] [2022-07-20 04:04:31,402 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] [2022-07-20 04:04:31,402 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] [2022-07-20 04:04:31,403 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] [2022-07-20 04:04:31,403 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] [2022-07-20 04:04:31,403 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] [2022-07-20 04:04:31,404 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] [2022-07-20 04:04:31,404 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] [2022-07-20 04:04:31,405 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] [2022-07-20 04:04:31,405 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] [2022-07-20 04:04:31,405 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] [2022-07-20 04:04:31,406 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] [2022-07-20 04:04:31,406 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] [2022-07-20 04:04:31,407 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] [2022-07-20 04:04:31,407 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] [2022-07-20 04:04:31,407 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] [2022-07-20 04:04:31,408 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] [2022-07-20 04:04:31,408 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] [2022-07-20 04:04:31,409 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] [2022-07-20 04:04:31,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 04:04:31,450 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 04:04:31,779 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] [2022-07-20 04:04:31,781 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] [2022-07-20 04:04:31,785 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] [2022-07-20 04:04:31,786 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] [2022-07-20 04:04:31,787 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] [2022-07-20 04:04:31,788 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] [2022-07-20 04:04:31,789 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] [2022-07-20 04:04:31,789 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] [2022-07-20 04:04:31,790 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] [2022-07-20 04:04:31,790 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] [2022-07-20 04:04:31,791 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] [2022-07-20 04:04:31,791 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] [2022-07-20 04:04:31,791 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] [2022-07-20 04:04:31,793 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] [2022-07-20 04:04:31,794 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] [2022-07-20 04:04:31,795 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] [2022-07-20 04:04:31,795 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] [2022-07-20 04:04:31,795 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] [2022-07-20 04:04:31,796 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] [2022-07-20 04:04:31,796 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] [2022-07-20 04:04:31,796 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] [2022-07-20 04:04:31,797 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] [2022-07-20 04:04:31,797 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] [2022-07-20 04:04:31,798 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] [2022-07-20 04:04:31,798 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] [2022-07-20 04:04:31,798 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] [2022-07-20 04:04:31,799 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] [2022-07-20 04:04:31,799 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] [2022-07-20 04:04:31,799 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] [2022-07-20 04:04:31,800 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] [2022-07-20 04:04:31,800 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] [2022-07-20 04:04:31,801 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] [2022-07-20 04:04:31,801 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] [2022-07-20 04:04:31,802 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] [2022-07-20 04:04:31,802 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] [2022-07-20 04:04:31,803 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] [2022-07-20 04:04:31,803 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] [2022-07-20 04:04:31,803 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] [2022-07-20 04:04:31,804 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] [2022-07-20 04:04:31,805 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] [2022-07-20 04:04:31,806 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] [2022-07-20 04:04:31,806 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] [2022-07-20 04:04:31,806 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] [2022-07-20 04:04:31,807 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] [2022-07-20 04:04:31,807 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] [2022-07-20 04:04:31,808 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] [2022-07-20 04:04:31,808 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] [2022-07-20 04:04:31,809 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] [2022-07-20 04:04:31,809 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] [2022-07-20 04:04:31,809 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] [2022-07-20 04:04:31,810 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] [2022-07-20 04:04:31,810 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] [2022-07-20 04:04:31,810 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] [2022-07-20 04:04:31,811 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] [2022-07-20 04:04:31,812 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] [2022-07-20 04:04:31,812 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] [2022-07-20 04:04:31,813 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] [2022-07-20 04:04:31,813 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] [2022-07-20 04:04:31,813 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] [2022-07-20 04:04:31,814 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] [2022-07-20 04:04:31,814 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] [2022-07-20 04:04:31,815 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] [2022-07-20 04:04:31,816 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] [2022-07-20 04:04:31,818 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] [2022-07-20 04:04:31,819 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] [2022-07-20 04:04:31,822 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] [2022-07-20 04:04:31,824 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] [2022-07-20 04:04:31,825 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] [2022-07-20 04:04:31,825 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] [2022-07-20 04:04:31,825 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] [2022-07-20 04:04:31,826 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] [2022-07-20 04:04:31,826 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] [2022-07-20 04:04:31,832 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] [2022-07-20 04:04:31,832 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] [2022-07-20 04:04:31,833 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] [2022-07-20 04:04:31,833 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] [2022-07-20 04:04:31,833 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] [2022-07-20 04:04:31,834 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] [2022-07-20 04:04:31,835 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] [2022-07-20 04:04:31,836 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] [2022-07-20 04:04:31,836 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] [2022-07-20 04:04:31,837 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] [2022-07-20 04:04:31,838 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] [2022-07-20 04:04:31,838 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] [2022-07-20 04:04:31,838 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] [2022-07-20 04:04:31,839 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] [2022-07-20 04:04:31,839 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] [2022-07-20 04:04:31,839 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] [2022-07-20 04:04:31,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 04:04:32,089 INFO L208 MainTranslator]: Completed translation [2022-07-20 04:04:32,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:04:32 WrapperNode [2022-07-20 04:04:32,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 04:04:32,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 04:04:32,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 04:04:32,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 04:04:32,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:04:32" (1/1) ... [2022-07-20 04:04:32,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:04:32" (1/1) ... [2022-07-20 04:04:32,339 INFO L137 Inliner]: procedures = 660, calls = 1827, calls flagged for inlining = 326, calls inlined = 232, statements flattened = 3930 [2022-07-20 04:04:32,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 04:04:32,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 04:04:32,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 04:04:32,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 04:04:32,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:04:32" (1/1) ... [2022-07-20 04:04:32,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:04:32" (1/1) ... [2022-07-20 04:04:32,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:04:32" (1/1) ... [2022-07-20 04:04:32,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:04:32" (1/1) ... [2022-07-20 04:04:32,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:04:32" (1/1) ... [2022-07-20 04:04:32,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:04:32" (1/1) ... [2022-07-20 04:04:32,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:04:32" (1/1) ... [2022-07-20 04:04:32,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 04:04:32,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 04:04:32,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 04:04:32,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 04:04:32,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:04:32" (1/1) ... [2022-07-20 04:04:32,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 04:04:32,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:04:32,568 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) [2022-07-20 04:04:32,592 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 [2022-07-20 04:04:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-20 04:04:32,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-20 04:04:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read_bd [2022-07-20 04:04:32,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read_bd [2022-07-20 04:04:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 04:04:32,613 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 04:04:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 04:04:32,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 04:04:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-20 04:04:32,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-20 04:04:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_mdio_poll [2022-07-20 04:04:32,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_mdio_poll [2022-07-20 04:04:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 04:04:32,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 04:04:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-20 04:04:32,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-20 04:04:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 04:04:32,616 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 04:04:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-20 04:04:32,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-20 04:04:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-20 04:04:32,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-20 04:04:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 04:04:32,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 04:04:32,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 04:04:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 04:04:32,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 04:04:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 04:04:32,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-20 04:04:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-20 04:04:32,618 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-07-20 04:04:32,619 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-07-20 04:04:32,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 04:04:32,619 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_get_regs_len [2022-07-20 04:04:32,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_get_regs_len [2022-07-20 04:04:32,619 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read [2022-07-20 04:04:32,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read [2022-07-20 04:04:32,619 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-07-20 04:04:32,619 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-07-20 04:04:32,620 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_do_set_mac_address [2022-07-20 04:04:32,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_do_set_mac_address [2022-07-20 04:04:32,620 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_init_ring [2022-07-20 04:04:32,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_init_ring [2022-07-20 04:04:32,620 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_nocache [2022-07-20 04:04:32,620 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_nocache [2022-07-20 04:04:32,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-20 04:04:32,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-20 04:04:32,621 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 04:04:32,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 04:04:32,621 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2022-07-20 04:04:32,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2022-07-20 04:04:32,621 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2022-07-20 04:04:32,622 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2022-07-20 04:04:32,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 04:04:32,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 04:04:32,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-20 04:04:32,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-20 04:04:32,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 04:04:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 04:04:32,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-20 04:04:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-20 04:04:32,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 04:04:32,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-20 04:04:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-20 04:04:32,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-20 04:04:32,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-20 04:04:32,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 04:04:32,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 04:04:32,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-20 04:04:32,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-20 04:04:32,624 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_interrupt [2022-07-20 04:04:32,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_interrupt [2022-07-20 04:04:32,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 04:04:32,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 04:04:32,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-20 04:04:32,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-20 04:04:32,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-20 04:04:32,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-20 04:04:32,629 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_probe [2022-07-20 04:04:32,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_probe [2022-07-20 04:04:32,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 04:04:32,630 INFO L130 BoogieDeclarations]: Found specification of procedure __devm_request_region [2022-07-20 04:04:32,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __devm_request_region [2022-07-20 04:04:32,630 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_resume [2022-07-20 04:04:32,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_resume [2022-07-20 04:04:32,630 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-07-20 04:04:32,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-07-20 04:04:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 04:04:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 04:04:32,631 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 04:04:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write_bd [2022-07-20 04:04:32,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write_bd [2022-07-20 04:04:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 04:04:32,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 04:04:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 04:04:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 04:04:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write [2022-07-20 04:04:32,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write [2022-07-20 04:04:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 04:04:32,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 04:04:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 04:04:32,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 04:04:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-20 04:04:32,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-20 04:04:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 04:04:32,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 04:04:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_remove [2022-07-20 04:04:32,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_remove [2022-07-20 04:04:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_tx_timeout [2022-07-20 04:04:32,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_tx_timeout [2022-07-20 04:04:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 04:04:32,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 04:04:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-07-20 04:04:32,634 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-07-20 04:04:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 04:04:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 04:04:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 04:04:32,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 04:04:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-07-20 04:04:32,635 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-07-20 04:04:32,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 04:04:32,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 04:04:32,636 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-20 04:04:32,636 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 04:04:32,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 04:04:32,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-20 04:04:32,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-20 04:04:32,637 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_stop [2022-07-20 04:04:32,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_stop [2022-07-20 04:04:32,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-20 04:04:32,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-20 04:04:32,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 04:04:32,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-20 04:04:32,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-20 04:04:32,638 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_ack_irq [2022-07-20 04:04:32,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_ack_irq [2022-07-20 04:04:32,638 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 04:04:32,638 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 04:04:32,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 04:04:32,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 04:04:32,639 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_rx_and_tx [2022-07-20 04:04:32,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_rx_and_tx [2022-07-20 04:04:32,639 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_rx_and_tx [2022-07-20 04:04:32,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_rx_and_tx [2022-07-20 04:04:32,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-20 04:04:32,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-20 04:04:32,639 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 04:04:32,640 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 04:04:32,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 04:04:32,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 04:04:32,640 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2022-07-20 04:04:32,640 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2022-07-20 04:04:32,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-20 04:04:32,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-20 04:04:32,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-20 04:04:32,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-20 04:04:32,641 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 04:04:32,641 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 04:04:32,641 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 04:04:32,641 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 04:04:32,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-20 04:04:32,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-20 04:04:32,642 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 04:04:32,642 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 04:04:32,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 04:04:32,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-20 04:04:32,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-20 04:04:32,642 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-07-20 04:04:32,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-07-20 04:04:32,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 04:04:32,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 04:04:32,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-20 04:04:32,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-20 04:04:32,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-20 04:04:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-20 04:04:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_irq [2022-07-20 04:04:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_irq [2022-07-20 04:04:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_open [2022-07-20 04:04:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_open [2022-07-20 04:04:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 04:04:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 04:04:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-20 04:04:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-20 04:04:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_irq [2022-07-20 04:04:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_irq [2022-07-20 04:04:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 04:04:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-07-20 04:04:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-07-20 04:04:33,368 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 04:04:33,370 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 04:04:33,413 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 04:04:47,810 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 04:04:47,830 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 04:04:47,831 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-20 04:04:47,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:04:47 BoogieIcfgContainer [2022-07-20 04:04:47,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 04:04:47,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 04:04:47,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 04:04:47,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 04:04:47,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:04:27" (1/3) ... [2022-07-20 04:04:47,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf86d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:04:47, skipping insertion in model container [2022-07-20 04:04:47,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:04:32" (2/3) ... [2022-07-20 04:04:47,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf86d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:04:47, skipping insertion in model container [2022-07-20 04:04:47,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:04:47" (3/3) ... [2022-07-20 04:04:47,843 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i [2022-07-20 04:04:47,859 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 04:04:47,859 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2022-07-20 04:04:47,954 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 04:04:47,961 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@421eb380, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3958a5ae [2022-07-20 04:04:47,962 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-07-20 04:04:47,972 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) [2022-07-20 04:04:47,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-20 04:04:47,984 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:04:47,984 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] [2022-07-20 04:04:47,985 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)] === [2022-07-20 04:04:47,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:04:47,991 INFO L85 PathProgramCache]: Analyzing trace with hash 136173705, now seen corresponding path program 1 times [2022-07-20 04:04:48,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:04:48,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897426605] [2022-07-20 04:04:48,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:04:48,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:04:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:04:48,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:04:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:04:48,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:04:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:04:48,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:04:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:04:48,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 04:04:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:04:48,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 04:04:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:04:48,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 04:04:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:04:48,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:04:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:04:49,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:04:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:04:49,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:04:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:04:49,032 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:04:49,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:04:49,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897426605] [2022-07-20 04:04:49,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897426605] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:04:49,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:04:49,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:04:49,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083380759] [2022-07-20 04:04:49,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:04:49,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:04:49,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:04:49,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:04:49,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:04:49,078 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) [2022-07-20 04:04:51,129 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 [] [2022-07-20 04:04:53,252 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 [] [2022-07-20 04:05:04,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:05:04,340 INFO L93 Difference]: Finished difference Result 3094 states and 4315 transitions. [2022-07-20 04:05:04,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:05:04,344 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 [2022-07-20 04:05:04,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:05:04,381 INFO L225 Difference]: With dead ends: 3094 [2022-07-20 04:05:04,381 INFO L226 Difference]: Without dead ends: 1661 [2022-07-20 04:05:04,403 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 [2022-07-20 04:05:04,406 INFO L413 NwaCegarLoop]: 1702 mSDtfsCounter, 3646 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 2434 mSolverCounterSat, 1736 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s 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, 14.6s IncrementalHoareTripleChecker+Time [2022-07-20 04:05:04,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3757 Valid, 2463 Invalid, 4172 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1736 Valid, 2434 Invalid, 2 Unknown, 0 Unchecked, 14.6s Time] [2022-07-20 04:05:04,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2022-07-20 04:05:04,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1401. [2022-07-20 04:05:04,559 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) [2022-07-20 04:05:04,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1401 states and 1819 transitions. [2022-07-20 04:05:04,575 INFO L78 Accepts]: Start accepts. Automaton has 1401 states and 1819 transitions. Word has length 64 [2022-07-20 04:05:04,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:05:04,576 INFO L495 AbstractCegarLoop]: Abstraction has 1401 states and 1819 transitions. [2022-07-20 04:05:04,576 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) [2022-07-20 04:05:04,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1819 transitions. [2022-07-20 04:05:04,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-20 04:05:04,585 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:05:04,585 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] [2022-07-20 04:05:04,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 04:05:04,585 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)] === [2022-07-20 04:05:04,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:05:04,586 INFO L85 PathProgramCache]: Analyzing trace with hash 2060594057, now seen corresponding path program 1 times [2022-07-20 04:05:04,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:05:04,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931005003] [2022-07-20 04:05:04,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:05:04,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:05:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:04,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:05:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:04,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:05:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:04,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:05:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:05,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 04:05:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:05,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 04:05:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:05,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 04:05:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:05,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:05:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:05,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:05:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:05,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:05:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:05,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:05:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:05,120 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:05:05,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:05:05,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931005003] [2022-07-20 04:05:05,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931005003] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:05:05,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:05:05,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:05:05,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250255981] [2022-07-20 04:05:05,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:05:05,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:05:05,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:05:05,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:05:05,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:05:05,125 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) [2022-07-20 04:05:07,172 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 [] [2022-07-20 04:05:09,181 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 [] [2022-07-20 04:05:20,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:05:20,318 INFO L93 Difference]: Finished difference Result 1661 states and 2207 transitions. [2022-07-20 04:05:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:05:20,319 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 [2022-07-20 04:05:20,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:05:20,328 INFO L225 Difference]: With dead ends: 1661 [2022-07-20 04:05:20,328 INFO L226 Difference]: Without dead ends: 1659 [2022-07-20 04:05:20,329 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 [2022-07-20 04:05:20,330 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 [2022-07-20 04:05:20,330 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] [2022-07-20 04:05:20,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2022-07-20 04:05:20,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1399. [2022-07-20 04:05:20,385 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) [2022-07-20 04:05:20,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1399 states and 1817 transitions. [2022-07-20 04:05:20,393 INFO L78 Accepts]: Start accepts. Automaton has 1399 states and 1817 transitions. Word has length 70 [2022-07-20 04:05:20,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:05:20,394 INFO L495 AbstractCegarLoop]: Abstraction has 1399 states and 1817 transitions. [2022-07-20 04:05:20,394 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) [2022-07-20 04:05:20,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1817 transitions. [2022-07-20 04:05:20,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-07-20 04:05:20,396 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:05:20,396 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] [2022-07-20 04:05:20,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 04:05:20,396 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)] === [2022-07-20 04:05:20,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:05:20,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1622933905, now seen corresponding path program 1 times [2022-07-20 04:05:20,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:05:20,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363658944] [2022-07-20 04:05:20,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:05:20,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:05:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:20,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:05:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:20,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:05:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:20,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:05:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:20,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 04:05:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:20,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 04:05:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:20,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 04:05:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:20,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:05:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:20,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:05:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:20,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:05:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:20,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:05:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:20,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:05:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:05:20,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:05:20,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363658944] [2022-07-20 04:05:20,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363658944] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:05:20,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:05:20,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:05:20,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510024573] [2022-07-20 04:05:20,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:05:20,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:05:20,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:05:20,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:05:20,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:05:20,906 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) [2022-07-20 04:05:22,938 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 [] [2022-07-20 04:05:25,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:05:35,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:05:35,985 INFO L93 Difference]: Finished difference Result 1659 states and 2205 transitions. [2022-07-20 04:05:35,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:05:35,986 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 [2022-07-20 04:05:35,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:05:35,995 INFO L225 Difference]: With dead ends: 1659 [2022-07-20 04:05:35,996 INFO L226 Difference]: Without dead ends: 1657 [2022-07-20 04:05:35,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:05:35,998 INFO L413 NwaCegarLoop]: 1655 mSDtfsCounter, 3629 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 2392 mSolverCounterSat, 1747 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s 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, 14.6s IncrementalHoareTripleChecker+Time [2022-07-20 04:05:35,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3736 Valid, 2396 Invalid, 4141 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1747 Valid, 2392 Invalid, 2 Unknown, 0 Unchecked, 14.6s Time] [2022-07-20 04:05:36,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2022-07-20 04:05:36,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1397. [2022-07-20 04:05:36,061 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) [2022-07-20 04:05:36,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 1815 transitions. [2022-07-20 04:05:36,069 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 1815 transitions. Word has length 76 [2022-07-20 04:05:36,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:05:36,070 INFO L495 AbstractCegarLoop]: Abstraction has 1397 states and 1815 transitions. [2022-07-20 04:05:36,070 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) [2022-07-20 04:05:36,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1815 transitions. [2022-07-20 04:05:36,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-20 04:05:36,073 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:05:36,073 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] [2022-07-20 04:05:36,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 04:05:36,073 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)] === [2022-07-20 04:05:36,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:05:36,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1511111317, now seen corresponding path program 1 times [2022-07-20 04:05:36,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:05:36,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670109792] [2022-07-20 04:05:36,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:05:36,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:05:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:36,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:05:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:36,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:05:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:36,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:05:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:36,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 04:05:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:36,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 04:05:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:36,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 04:05:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:36,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:05:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:36,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:05:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:36,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:05:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:36,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:05:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:36,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:05:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:36,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:05:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:36,509 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:05:36,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:05:36,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670109792] [2022-07-20 04:05:36,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670109792] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:05:36,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:05:36,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:05:36,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852445168] [2022-07-20 04:05:36,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:05:36,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:05:36,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:05:36,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:05:36,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:05:36,512 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) [2022-07-20 04:05:38,566 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 [] [2022-07-20 04:05:40,646 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 [] [2022-07-20 04:05:50,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:05:50,726 INFO L93 Difference]: Finished difference Result 1657 states and 2203 transitions. [2022-07-20 04:05:50,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:05:50,727 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 [2022-07-20 04:05:50,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:05:50,739 INFO L225 Difference]: With dead ends: 1657 [2022-07-20 04:05:50,740 INFO L226 Difference]: Without dead ends: 1655 [2022-07-20 04:05:50,742 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 [2022-07-20 04:05:50,743 INFO L413 NwaCegarLoop]: 1695 mSDtfsCounter, 3555 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 2432 mSolverCounterSat, 1723 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3661 SdHoareTripleChecker+Valid, 2436 SdHoareTripleChecker+Invalid, 4157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1723 IncrementalHoareTripleChecker+Valid, 2432 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-07-20 04:05:50,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3661 Valid, 2436 Invalid, 4157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1723 Valid, 2432 Invalid, 2 Unknown, 0 Unchecked, 13.8s Time] [2022-07-20 04:05:50,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1655 states. [2022-07-20 04:05:50,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1655 to 1395. [2022-07-20 04:05:50,807 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) [2022-07-20 04:05:50,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1813 transitions. [2022-07-20 04:05:50,816 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1813 transitions. Word has length 82 [2022-07-20 04:05:50,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:05:50,816 INFO L495 AbstractCegarLoop]: Abstraction has 1395 states and 1813 transitions. [2022-07-20 04:05:50,816 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) [2022-07-20 04:05:50,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1813 transitions. [2022-07-20 04:05:50,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-20 04:05:50,817 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:05:50,818 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] [2022-07-20 04:05:50,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 04:05:50,818 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)] === [2022-07-20 04:05:50,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:05:50,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1648512030, now seen corresponding path program 1 times [2022-07-20 04:05:50,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:05:50,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170519974] [2022-07-20 04:05:50,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:05:50,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:05:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:51,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:05:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:51,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:05:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:51,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:05:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:51,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 04:05:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:51,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 04:05:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:51,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 04:05:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:51,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:05:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:51,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:05:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:51,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:05:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:51,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:05:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:51,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:05:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:51,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:05:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:51,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:05:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:05:51,318 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:05:51,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:05:51,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170519974] [2022-07-20 04:05:51,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170519974] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:05:51,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:05:51,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:05:51,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640096110] [2022-07-20 04:05:51,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:05:51,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:05:51,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:05:51,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:05:51,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:05:51,320 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) [2022-07-20 04:05:53,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:05:55,420 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 [] [2022-07-20 04:06:05,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:06:05,613 INFO L93 Difference]: Finished difference Result 1655 states and 2201 transitions. [2022-07-20 04:06:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:06:05,614 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 [2022-07-20 04:06:05,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:06:05,622 INFO L225 Difference]: With dead ends: 1655 [2022-07-20 04:06:05,622 INFO L226 Difference]: Without dead ends: 1653 [2022-07-20 04:06:05,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:06:05,624 INFO L413 NwaCegarLoop]: 1685 mSDtfsCounter, 3573 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 2422 mSolverCounterSat, 1711 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s 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, 13.9s IncrementalHoareTripleChecker+Time [2022-07-20 04:06:05,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3678 Valid, 2426 Invalid, 4135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1711 Valid, 2422 Invalid, 2 Unknown, 0 Unchecked, 13.9s Time] [2022-07-20 04:06:05,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2022-07-20 04:06:05,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1393. [2022-07-20 04:06:05,681 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) [2022-07-20 04:06:05,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1811 transitions. [2022-07-20 04:06:05,688 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1811 transitions. Word has length 88 [2022-07-20 04:06:05,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:06:05,689 INFO L495 AbstractCegarLoop]: Abstraction has 1393 states and 1811 transitions. [2022-07-20 04:06:05,689 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) [2022-07-20 04:06:05,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1811 transitions. [2022-07-20 04:06:05,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-20 04:06:05,690 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:06:05,691 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] [2022-07-20 04:06:05,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 04:06:05,691 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)] === [2022-07-20 04:06:05,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:06:05,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1478399947, now seen corresponding path program 1 times [2022-07-20 04:06:05,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:06:05,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992714023] [2022-07-20 04:06:05,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:06:05,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:06:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:05,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:06:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:05,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:06:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:05,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:06:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:06,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 04:06:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:06,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 04:06:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:06,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 04:06:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:06,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:06:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:06,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:06:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:06,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:06:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:06,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:06:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:06,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:06:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:06,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:06:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:06,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:06:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:06,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:06:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:06,134 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:06:06,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:06:06,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992714023] [2022-07-20 04:06:06,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992714023] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:06:06,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:06:06,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:06:06,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049476581] [2022-07-20 04:06:06,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:06:06,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:06:06,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:06:06,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:06:06,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:06:06,137 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) [2022-07-20 04:06:08,167 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 [] [2022-07-20 04:06:10,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:06:20,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:06:20,748 INFO L93 Difference]: Finished difference Result 1653 states and 2199 transitions. [2022-07-20 04:06:20,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:06:20,749 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 [2022-07-20 04:06:20,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:06:20,758 INFO L225 Difference]: With dead ends: 1653 [2022-07-20 04:06:20,758 INFO L226 Difference]: Without dead ends: 1651 [2022-07-20 04:06:20,761 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 [2022-07-20 04:06:20,762 INFO L413 NwaCegarLoop]: 1719 mSDtfsCounter, 3499 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 2456 mSolverCounterSat, 1705 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s 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, 14.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:06:20,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3603 Valid, 2460 Invalid, 4163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1705 Valid, 2456 Invalid, 2 Unknown, 0 Unchecked, 14.2s Time] [2022-07-20 04:06:20,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2022-07-20 04:06:20,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1391. [2022-07-20 04:06:20,878 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) [2022-07-20 04:06:20,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1809 transitions. [2022-07-20 04:06:20,885 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1809 transitions. Word has length 94 [2022-07-20 04:06:20,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:06:20,886 INFO L495 AbstractCegarLoop]: Abstraction has 1391 states and 1809 transitions. [2022-07-20 04:06:20,886 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) [2022-07-20 04:06:20,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1809 transitions. [2022-07-20 04:06:20,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-07-20 04:06:20,887 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:06:20,888 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] [2022-07-20 04:06:20,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 04:06:20,888 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)] === [2022-07-20 04:06:20,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:06:20,889 INFO L85 PathProgramCache]: Analyzing trace with hash -700697365, now seen corresponding path program 1 times [2022-07-20 04:06:20,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:06:20,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105220506] [2022-07-20 04:06:20,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:06:20,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:06:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:21,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:06:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:21,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:06:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:21,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:06:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:21,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 04:06:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:21,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 04:06:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:21,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 04:06:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:21,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:06:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:21,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:06:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:21,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:06:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:21,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:06:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:21,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:06:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:21,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:06:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:21,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:06:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:21,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:06:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:21,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:06:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:21,360 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:06:21,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:06:21,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105220506] [2022-07-20 04:06:21,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105220506] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:06:21,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:06:21,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:06:21,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349573563] [2022-07-20 04:06:21,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:06:21,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:06:21,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:06:21,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:06:21,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:06:21,362 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) [2022-07-20 04:06:23,395 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 [] [2022-07-20 04:06:25,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:06:36,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:06:36,056 INFO L93 Difference]: Finished difference Result 1651 states and 2197 transitions. [2022-07-20 04:06:36,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:06:36,056 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 [2022-07-20 04:06:36,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:06:36,063 INFO L225 Difference]: With dead ends: 1651 [2022-07-20 04:06:36,063 INFO L226 Difference]: Without dead ends: 1649 [2022-07-20 04:06:36,064 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 [2022-07-20 04:06:36,064 INFO L413 NwaCegarLoop]: 1753 mSDtfsCounter, 3443 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 2490 mSolverCounterSat, 1672 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s 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, 14.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:06:36,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3546 Valid, 2494 Invalid, 4164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1672 Valid, 2490 Invalid, 2 Unknown, 0 Unchecked, 14.2s Time] [2022-07-20 04:06:36,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2022-07-20 04:06:36,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1389. [2022-07-20 04:06:36,131 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) [2022-07-20 04:06:36,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 1807 transitions. [2022-07-20 04:06:36,136 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 1807 transitions. Word has length 100 [2022-07-20 04:06:36,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:06:36,137 INFO L495 AbstractCegarLoop]: Abstraction has 1389 states and 1807 transitions. [2022-07-20 04:06:36,137 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) [2022-07-20 04:06:36,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1807 transitions. [2022-07-20 04:06:36,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-20 04:06:36,138 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:06:36,138 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] [2022-07-20 04:06:36,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 04:06:36,139 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)] === [2022-07-20 04:06:36,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:06:36,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1141859929, now seen corresponding path program 1 times [2022-07-20 04:06:36,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:06:36,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512437257] [2022-07-20 04:06:36,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:06:36,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:06:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:36,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:06:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:36,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:06:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:36,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:06:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:36,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 04:06:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:36,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 04:06:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:36,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 04:06:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:36,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:06:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:36,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:06:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:36,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:06:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:36,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:06:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:36,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:06:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:36,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:06:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:36,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:06:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:36,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:06:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:36,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:06:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:36,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:06:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:36,610 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:06:36,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:06:36,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512437257] [2022-07-20 04:06:36,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512437257] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:06:36,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:06:36,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:06:36,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892794184] [2022-07-20 04:06:36,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:06:36,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:06:36,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:06:36,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:06:36,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:06:36,613 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) [2022-07-20 04:06:38,644 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 [] [2022-07-20 04:06:40,778 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 [] [2022-07-20 04:06:50,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:06:50,954 INFO L93 Difference]: Finished difference Result 1649 states and 2195 transitions. [2022-07-20 04:06:50,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:06:50,955 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 [2022-07-20 04:06:50,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:06:50,961 INFO L225 Difference]: With dead ends: 1649 [2022-07-20 04:06:50,961 INFO L226 Difference]: Without dead ends: 1647 [2022-07-20 04:06:50,962 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 [2022-07-20 04:06:50,962 INFO L413 NwaCegarLoop]: 1648 mSDtfsCounter, 3607 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 2381 mSolverCounterSat, 1732 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s 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, 13.9s IncrementalHoareTripleChecker+Time [2022-07-20 04:06:50,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3709 Valid, 2389 Invalid, 4115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1732 Valid, 2381 Invalid, 2 Unknown, 0 Unchecked, 13.9s Time] [2022-07-20 04:06:50,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2022-07-20 04:06:51,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1387. [2022-07-20 04:06:51,033 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) [2022-07-20 04:06:51,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1805 transitions. [2022-07-20 04:06:51,039 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1805 transitions. Word has length 106 [2022-07-20 04:06:51,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:06:51,039 INFO L495 AbstractCegarLoop]: Abstraction has 1387 states and 1805 transitions. [2022-07-20 04:06:51,039 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) [2022-07-20 04:06:51,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1805 transitions. [2022-07-20 04:06:51,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-20 04:06:51,041 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:06:51,041 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] [2022-07-20 04:06:51,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 04:06:51,041 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)] === [2022-07-20 04:06:51,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:06:51,042 INFO L85 PathProgramCache]: Analyzing trace with hash 186850867, now seen corresponding path program 1 times [2022-07-20 04:06:51,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:06:51,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699328246] [2022-07-20 04:06:51,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:06:51,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:06:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:06:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:06:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:06:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:06:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:06:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:06:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:06:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:06:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:06:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:06:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:06:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 04:06:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:06:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-20 04:06:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 04:06:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 04:06:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:06:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:06:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:51,758 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-07-20 04:06:51,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:06:51,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699328246] [2022-07-20 04:06:51,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699328246] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:06:51,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:06:51,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 04:06:51,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169224588] [2022-07-20 04:06:51,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:06:51,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 04:06:51,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:06:51,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 04:06:51,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 04:06:51,762 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) [2022-07-20 04:06:53,797 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 [] [2022-07-20 04:06:55,955 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 [] [2022-07-20 04:07:17,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:07:17,088 INFO L93 Difference]: Finished difference Result 4305 states and 5786 transitions. [2022-07-20 04:07:17,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 04:07:17,089 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 [2022-07-20 04:07:17,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:07:17,104 INFO L225 Difference]: With dead ends: 4305 [2022-07-20 04:07:17,105 INFO L226 Difference]: Without dead ends: 2937 [2022-07-20 04:07:17,110 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 [2022-07-20 04:07:17,111 INFO L413 NwaCegarLoop]: 1808 mSDtfsCounter, 5590 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 4372 mSolverCounterSat, 3244 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5726 SdHoareTripleChecker+Valid, 2652 SdHoareTripleChecker+Invalid, 7618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3244 IncrementalHoareTripleChecker+Valid, 4372 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2022-07-20 04:07:17,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5726 Valid, 2652 Invalid, 7618 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3244 Valid, 4372 Invalid, 2 Unknown, 0 Unchecked, 24.1s Time] [2022-07-20 04:07:17,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2937 states. [2022-07-20 04:07:17,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2937 to 2776. [2022-07-20 04:07:17,309 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) [2022-07-20 04:07:17,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 2776 states and 3723 transitions. [2022-07-20 04:07:17,322 INFO L78 Accepts]: Start accepts. Automaton has 2776 states and 3723 transitions. Word has length 116 [2022-07-20 04:07:17,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:07:17,323 INFO L495 AbstractCegarLoop]: Abstraction has 2776 states and 3723 transitions. [2022-07-20 04:07:17,323 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) [2022-07-20 04:07:17,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 3723 transitions. [2022-07-20 04:07:17,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-20 04:07:17,326 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:07:17,327 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] [2022-07-20 04:07:17,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 04:07:17,327 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)] === [2022-07-20 04:07:17,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:07:17,327 INFO L85 PathProgramCache]: Analyzing trace with hash -2110597494, now seen corresponding path program 1 times [2022-07-20 04:07:17,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:07:17,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879788609] [2022-07-20 04:07:17,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:07:17,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:07:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:17,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:07:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:17,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:07:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:17,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:07:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:17,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 04:07:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:17,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 04:07:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 04:07:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:07:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:17,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:07:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:17,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:07:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:17,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:07:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:17,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:07:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:17,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:07:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:17,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:07:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:17,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:07:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:17,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:07:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:17,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:07:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:17,772 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:07:17,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:07:17,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879788609] [2022-07-20 04:07:17,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879788609] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:07:17,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:07:17,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:07:17,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89959424] [2022-07-20 04:07:17,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:07:17,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:07:17,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:07:17,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:07:17,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:07:17,775 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) [2022-07-20 04:07:19,806 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 [] [2022-07-20 04:07:21,855 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 [] [2022-07-20 04:07:33,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:07:33,192 INFO L93 Difference]: Finished difference Result 2776 states and 3723 transitions. [2022-07-20 04:07:33,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:07:33,193 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 [2022-07-20 04:07:33,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:07:33,205 INFO L225 Difference]: With dead ends: 2776 [2022-07-20 04:07:33,206 INFO L226 Difference]: Without dead ends: 2774 [2022-07-20 04:07:33,208 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 [2022-07-20 04:07:33,208 INFO L413 NwaCegarLoop]: 1868 mSDtfsCounter, 3231 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 2605 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s 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, 14.8s IncrementalHoareTripleChecker+Time [2022-07-20 04:07:33,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3333 Valid, 2609 Invalid, 4219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2605 Invalid, 2 Unknown, 0 Unchecked, 14.8s Time] [2022-07-20 04:07:33,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2774 states. [2022-07-20 04:07:33,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2774 to 2774. [2022-07-20 04:07:33,418 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) [2022-07-20 04:07:33,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3721 transitions. [2022-07-20 04:07:33,432 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3721 transitions. Word has length 108 [2022-07-20 04:07:33,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:07:33,433 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 3721 transitions. [2022-07-20 04:07:33,434 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) [2022-07-20 04:07:33,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3721 transitions. [2022-07-20 04:07:33,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-20 04:07:33,435 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:07:33,436 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] [2022-07-20 04:07:33,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 04:07:33,436 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)] === [2022-07-20 04:07:33,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:07:33,437 INFO L85 PathProgramCache]: Analyzing trace with hash 305742498, now seen corresponding path program 1 times [2022-07-20 04:07:33,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:07:33,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167732240] [2022-07-20 04:07:33,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:07:33,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:07:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:33,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:07:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:33,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:07:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:33,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:07:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:33,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:07:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:33,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:07:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:33,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:07:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:33,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:07:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:33,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:07:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:33,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:07:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:33,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:07:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:33,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:07:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:33,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 04:07:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:33,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:07:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:34,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-20 04:07:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:34,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 04:07:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:34,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 04:07:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:34,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:07:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:34,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:07:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:34,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 04:07:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:34,347 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-20 04:07:34,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:07:34,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167732240] [2022-07-20 04:07:34,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167732240] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 04:07:34,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044791266] [2022-07-20 04:07:34,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:07:34,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:07:34,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:07:34,351 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) [2022-07-20 04:07:34,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 04:07:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:35,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 2559 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 04:07:35,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:07:35,926 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-07-20 04:07:35,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 04:07:35,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044791266] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:07:35,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 04:07:35,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-07-20 04:07:35,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045863193] [2022-07-20 04:07:35,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:07:35,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 04:07:35,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:07:35,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 04:07:35,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-20 04:07:35,928 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) [2022-07-20 04:07:36,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:07:36,243 INFO L93 Difference]: Finished difference Result 5525 states and 7410 transitions. [2022-07-20 04:07:36,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 04:07:36,244 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 [2022-07-20 04:07:36,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:07:36,262 INFO L225 Difference]: With dead ends: 5525 [2022-07-20 04:07:36,262 INFO L226 Difference]: Without dead ends: 2770 [2022-07-20 04:07:36,273 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 [2022-07-20 04:07:36,274 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 [2022-07-20 04:07:36,274 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] [2022-07-20 04:07:36,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2770 states. [2022-07-20 04:07:36,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2770 to 2770. [2022-07-20 04:07:36,494 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) [2022-07-20 04:07:36,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3716 transitions. [2022-07-20 04:07:36,508 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3716 transitions. Word has length 122 [2022-07-20 04:07:36,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:07:36,511 INFO L495 AbstractCegarLoop]: Abstraction has 2770 states and 3716 transitions. [2022-07-20 04:07:36,511 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) [2022-07-20 04:07:36,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3716 transitions. [2022-07-20 04:07:36,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-20 04:07:36,513 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:07:36,513 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] [2022-07-20 04:07:36,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 04:07:36,739 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 [2022-07-20 04:07:36,739 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)] === [2022-07-20 04:07:36,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:07:36,740 INFO L85 PathProgramCache]: Analyzing trace with hash 412782822, now seen corresponding path program 1 times [2022-07-20 04:07:36,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:07:36,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78015897] [2022-07-20 04:07:36,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:07:36,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:07:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:37,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:07:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:37,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:07:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:37,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:07:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:37,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 04:07:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:37,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 04:07:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:37,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 04:07:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:37,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:07:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:37,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:07:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:37,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:07:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:37,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:07:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:37,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:07:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:37,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:07:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:37,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:07:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:37,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:07:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:07:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:37,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:07:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:37,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:07:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:37,227 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:07:37,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:07:37,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78015897] [2022-07-20 04:07:37,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78015897] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:07:37,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:07:37,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:07:37,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73040371] [2022-07-20 04:07:37,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:07:37,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:07:37,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:07:37,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:07:37,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:07:37,230 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) [2022-07-20 04:07:39,262 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 [] [2022-07-20 04:07:41,317 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 [] [2022-07-20 04:07:52,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:07:52,953 INFO L93 Difference]: Finished difference Result 2770 states and 3716 transitions. [2022-07-20 04:07:52,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:07:52,954 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 [2022-07-20 04:07:52,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:07:52,967 INFO L225 Difference]: With dead ends: 2770 [2022-07-20 04:07:52,967 INFO L226 Difference]: Without dead ends: 2768 [2022-07-20 04:07:52,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:07:52,969 INFO L413 NwaCegarLoop]: 1861 mSDtfsCounter, 3222 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 2602 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s 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, 15.1s IncrementalHoareTripleChecker+Time [2022-07-20 04:07:52,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3323 Valid, 2588 Invalid, 4216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2602 Invalid, 2 Unknown, 0 Unchecked, 15.1s Time] [2022-07-20 04:07:52,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2768 states. [2022-07-20 04:07:53,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2768 to 2768. [2022-07-20 04:07:53,170 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) [2022-07-20 04:07:53,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 2768 states and 3714 transitions. [2022-07-20 04:07:53,180 INFO L78 Accepts]: Start accepts. Automaton has 2768 states and 3714 transitions. Word has length 114 [2022-07-20 04:07:53,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:07:53,180 INFO L495 AbstractCegarLoop]: Abstraction has 2768 states and 3714 transitions. [2022-07-20 04:07:53,180 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) [2022-07-20 04:07:53,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 3714 transitions. [2022-07-20 04:07:53,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-20 04:07:53,182 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:07:53,182 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] [2022-07-20 04:07:53,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 04:07:53,183 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)] === [2022-07-20 04:07:53,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:07:53,183 INFO L85 PathProgramCache]: Analyzing trace with hash 99295502, now seen corresponding path program 1 times [2022-07-20 04:07:53,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:07:53,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038314212] [2022-07-20 04:07:53,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:07:53,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:07:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:07:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:07:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:07:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 04:07:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 04:07:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 04:07:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:07:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:07:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:07:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:07:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:07:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:07:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:07:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:07:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:07:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:07:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:07:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 04:07:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:53,599 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:07:53,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:07:53,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038314212] [2022-07-20 04:07:53,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038314212] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:07:53,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:07:53,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:07:53,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637713138] [2022-07-20 04:07:53,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:07:53,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:07:53,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:07:53,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:07:53,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:07:53,602 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) [2022-07-20 04:07:55,634 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 [] [2022-07-20 04:07:57,648 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 [] [2022-07-20 04:08:09,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:08:09,324 INFO L93 Difference]: Finished difference Result 2768 states and 3714 transitions. [2022-07-20 04:08:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:08:09,324 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 [2022-07-20 04:08:09,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:08:09,339 INFO L225 Difference]: With dead ends: 2768 [2022-07-20 04:08:09,339 INFO L226 Difference]: Without dead ends: 2766 [2022-07-20 04:08:09,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:08:09,342 INFO L413 NwaCegarLoop]: 1859 mSDtfsCounter, 3216 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 2600 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s 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, 15.1s IncrementalHoareTripleChecker+Time [2022-07-20 04:08:09,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3316 Valid, 2586 Invalid, 4214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2600 Invalid, 2 Unknown, 0 Unchecked, 15.1s Time] [2022-07-20 04:08:09,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2766 states. [2022-07-20 04:08:09,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2766 to 2766. [2022-07-20 04:08:09,548 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) [2022-07-20 04:08:09,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 3712 transitions. [2022-07-20 04:08:09,561 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 3712 transitions. Word has length 120 [2022-07-20 04:08:09,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:08:09,561 INFO L495 AbstractCegarLoop]: Abstraction has 2766 states and 3712 transitions. [2022-07-20 04:08:09,562 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) [2022-07-20 04:08:09,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3712 transitions. [2022-07-20 04:08:09,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-20 04:08:09,563 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:08:09,563 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] [2022-07-20 04:08:09,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 04:08:09,564 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)] === [2022-07-20 04:08:09,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:08:09,564 INFO L85 PathProgramCache]: Analyzing trace with hash 924858769, now seen corresponding path program 1 times [2022-07-20 04:08:09,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:08:09,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888146677] [2022-07-20 04:08:09,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:08:09,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:08:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:09,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:08:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:09,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:08:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:09,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:08:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:09,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 04:08:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:09,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 04:08:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:09,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 04:08:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:09,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:08:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:09,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:08:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:09,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:08:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:09,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:08:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:09,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:08:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:09,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:08:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:09,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:08:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:09,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:08:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:09,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:08:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:09,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:08:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:09,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:08:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:10,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 04:08:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:10,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 04:08:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:10,021 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:08:10,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:08:10,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888146677] [2022-07-20 04:08:10,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888146677] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:08:10,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:08:10,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:08:10,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513576195] [2022-07-20 04:08:10,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:08:10,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:08:10,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:08:10,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:08:10,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:08:10,024 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) [2022-07-20 04:08:12,056 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 [] [2022-07-20 04:08:14,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:08:25,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:08:25,799 INFO L93 Difference]: Finished difference Result 2766 states and 3712 transitions. [2022-07-20 04:08:25,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:08:25,799 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 126 [2022-07-20 04:08:25,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:08:25,813 INFO L225 Difference]: With dead ends: 2766 [2022-07-20 04:08:25,814 INFO L226 Difference]: Without dead ends: 2764 [2022-07-20 04:08:25,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:08:25,816 INFO L413 NwaCegarLoop]: 1857 mSDtfsCounter, 3210 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 2598 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 2584 SdHoareTripleChecker+Invalid, 4212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 2598 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:08:25,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3309 Valid, 2584 Invalid, 4212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2598 Invalid, 2 Unknown, 0 Unchecked, 15.2s Time] [2022-07-20 04:08:25,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2764 states. [2022-07-20 04:08:26,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2764 to 2764. [2022-07-20 04:08:26,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2764 states, 1987 states have (on average 1.2234524408656267) internal successors, (2431), 2038 states have internal predecessors, (2431), 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) [2022-07-20 04:08:26,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 3710 transitions. [2022-07-20 04:08:26,031 INFO L78 Accepts]: Start accepts. Automaton has 2764 states and 3710 transitions. Word has length 126 [2022-07-20 04:08:26,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:08:26,032 INFO L495 AbstractCegarLoop]: Abstraction has 2764 states and 3710 transitions. [2022-07-20 04:08:26,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 04:08:26,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 3710 transitions. [2022-07-20 04:08:26,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-07-20 04:08:26,034 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:08:26,034 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:08:26,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 04:08:26,034 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-20 04:08:26,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:08:26,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1328575984, now seen corresponding path program 1 times [2022-07-20 04:08:26,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:08:26,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238206191] [2022-07-20 04:08:26,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:08:26,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:08:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:26,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:08:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:26,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10