./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--mtd--devices--docg3.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/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--mtd--devices--docg3.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 68426913596b871b4c11813b726bd276e51998a12b1bbf8670be5ac2879b4991 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:09:03,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:09:03,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:09:03,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:09:03,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:09:03,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:09:03,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:09:03,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:09:03,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:09:03,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:09:03,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:09:03,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:09:03,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:09:03,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:09:03,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:09:03,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:09:03,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:09:03,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:09:03,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:09:03,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:09:03,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:09:03,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:09:03,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:09:03,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:09:03,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:09:03,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:09:03,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:09:03,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:09:03,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:09:03,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:09:03,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:09:03,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:09:03,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:09:03,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:09:03,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:09:03,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:09:03,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:09:03,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:09:03,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:09:03,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:09:03,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:09:03,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 19:09:03,357 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:09:03,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:09:03,360 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:09:03,360 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:09:03,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:09:03,361 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:09:03,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:09:03,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:09:03,361 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:09:03,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:09:03,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 19:09:03,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:09:03,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 19:09:03,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:09:03,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 19:09:03,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 19:09:03,363 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:09:03,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 19:09:03,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:09:03,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:09:03,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:09:03,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:09:03,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:09:03,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:09:03,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 19:09:03,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 19:09:03,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 19:09:03,364 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 19:09:03,364 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 19:09:03,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 19:09:03,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:09:03,365 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68426913596b871b4c11813b726bd276e51998a12b1bbf8670be5ac2879b4991 [2021-12-14 19:09:03,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:09:03,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:09:03,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:09:03,554 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:09:03,555 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:09:03,556 INFO L432 ainManager$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--mtd--devices--docg3.ko.cil.i [2021-12-14 19:09:03,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf21d3edf/9b87f366b26f4ca5a8a49c789fe12e08/FLAG37c614f2a [2021-12-14 19:09:04,224 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:09:04,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i [2021-12-14 19:09:04,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf21d3edf/9b87f366b26f4ca5a8a49c789fe12e08/FLAG37c614f2a [2021-12-14 19:09:04,627 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf21d3edf/9b87f366b26f4ca5a8a49c789fe12e08 [2021-12-14 19:09:04,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:09:04,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:09:04,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:09:04,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:09:04,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:09:04,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:09:04" (1/1) ... [2021-12-14 19:09:04,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46cc24ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:09:04, skipping insertion in model container [2021-12-14 19:09:04,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:09:04" (1/1) ... [2021-12-14 19:09:04,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:09:04,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:09:07,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[377771,377784] [2021-12-14 19:09:07,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[377916,377929] [2021-12-14 19:09:07,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378062,378075] [2021-12-14 19:09:07,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378227,378240] [2021-12-14 19:09:07,351 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378385,378398] [2021-12-14 19:09:07,352 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378543,378556] [2021-12-14 19:09:07,352 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378701,378714] [2021-12-14 19:09:07,352 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378861,378874] [2021-12-14 19:09:07,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379020,379033] [2021-12-14 19:09:07,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379159,379172] [2021-12-14 19:09:07,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379301,379314] [2021-12-14 19:09:07,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379450,379463] [2021-12-14 19:09:07,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379589,379602] [2021-12-14 19:09:07,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379744,379757] [2021-12-14 19:09:07,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379904,379917] [2021-12-14 19:09:07,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380055,380068] [2021-12-14 19:09:07,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380206,380219] [2021-12-14 19:09:07,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380358,380371] [2021-12-14 19:09:07,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380507,380520] [2021-12-14 19:09:07,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380655,380668] [2021-12-14 19:09:07,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380812,380825] [2021-12-14 19:09:07,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380961,380974] [2021-12-14 19:09:07,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381117,381130] [2021-12-14 19:09:07,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381270,381283] [2021-12-14 19:09:07,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381416,381429] [2021-12-14 19:09:07,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381559,381572] [2021-12-14 19:09:07,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381711,381724] [2021-12-14 19:09:07,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381857,381870] [2021-12-14 19:09:07,372 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--mtd--devices--docg3.ko.cil.i[382002,382015] [2021-12-14 19:09:07,372 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--mtd--devices--docg3.ko.cil.i[382156,382169] [2021-12-14 19:09:07,372 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--mtd--devices--docg3.ko.cil.i[382307,382320] [2021-12-14 19:09:07,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382462,382475] [2021-12-14 19:09:07,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382614,382627] [2021-12-14 19:09:07,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382769,382782] [2021-12-14 19:09:07,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382933,382946] [2021-12-14 19:09:07,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383089,383102] [2021-12-14 19:09:07,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383253,383266] [2021-12-14 19:09:07,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383395,383408] [2021-12-14 19:09:07,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383553,383566] [2021-12-14 19:09:07,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383720,383733] [2021-12-14 19:09:07,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383879,383892] [2021-12-14 19:09:07,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384038,384051] [2021-12-14 19:09:07,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384187,384200] [2021-12-14 19:09:07,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384334,384347] [2021-12-14 19:09:07,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384473,384486] [2021-12-14 19:09:07,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384636,384649] [2021-12-14 19:09:07,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384802,384815] [2021-12-14 19:09:07,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384966,384979] [2021-12-14 19:09:07,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[385131,385144] [2021-12-14 19:09:07,378 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--mtd--devices--docg3.ko.cil.i[385296,385309] [2021-12-14 19:09:07,378 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--mtd--devices--docg3.ko.cil.i[385462,385475] [2021-12-14 19:09:07,378 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--mtd--devices--docg3.ko.cil.i[385627,385640] [2021-12-14 19:09:07,378 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--mtd--devices--docg3.ko.cil.i[385794,385807] [2021-12-14 19:09:07,379 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--mtd--devices--docg3.ko.cil.i[385954,385967] [2021-12-14 19:09:07,379 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--mtd--devices--docg3.ko.cil.i[386116,386129] [2021-12-14 19:09:07,379 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--mtd--devices--docg3.ko.cil.i[386275,386288] [2021-12-14 19:09:07,380 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--mtd--devices--docg3.ko.cil.i[386421,386434] [2021-12-14 19:09:07,380 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--mtd--devices--docg3.ko.cil.i[386564,386577] [2021-12-14 19:09:07,380 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--mtd--devices--docg3.ko.cil.i[386708,386721] [2021-12-14 19:09:07,380 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--mtd--devices--docg3.ko.cil.i[386851,386864] [2021-12-14 19:09:07,381 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--mtd--devices--docg3.ko.cil.i[386995,387008] [2021-12-14 19:09:07,381 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--mtd--devices--docg3.ko.cil.i[387136,387149] [2021-12-14 19:09:07,381 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--mtd--devices--docg3.ko.cil.i[387274,387287] [2021-12-14 19:09:07,381 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--mtd--devices--docg3.ko.cil.i[387432,387445] [2021-12-14 19:09:07,382 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--mtd--devices--docg3.ko.cil.i[387591,387604] [2021-12-14 19:09:07,382 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--mtd--devices--docg3.ko.cil.i[387747,387760] [2021-12-14 19:09:07,382 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--mtd--devices--docg3.ko.cil.i[387896,387909] [2021-12-14 19:09:07,383 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--mtd--devices--docg3.ko.cil.i[388048,388061] [2021-12-14 19:09:07,383 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--mtd--devices--docg3.ko.cil.i[388199,388212] [2021-12-14 19:09:07,383 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--mtd--devices--docg3.ko.cil.i[388348,388361] [2021-12-14 19:09:07,383 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--mtd--devices--docg3.ko.cil.i[388500,388513] [2021-12-14 19:09:07,384 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--mtd--devices--docg3.ko.cil.i[388648,388661] [2021-12-14 19:09:07,384 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--mtd--devices--docg3.ko.cil.i[388801,388814] [2021-12-14 19:09:07,384 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--mtd--devices--docg3.ko.cil.i[388952,388965] [2021-12-14 19:09:07,384 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--mtd--devices--docg3.ko.cil.i[389102,389115] [2021-12-14 19:09:07,385 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--mtd--devices--docg3.ko.cil.i[389249,389262] [2021-12-14 19:09:07,385 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--mtd--devices--docg3.ko.cil.i[389400,389413] [2021-12-14 19:09:07,385 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--mtd--devices--docg3.ko.cil.i[389551,389564] [2021-12-14 19:09:07,398 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--mtd--devices--docg3.ko.cil.i[389699,389712] [2021-12-14 19:09:07,399 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--mtd--devices--docg3.ko.cil.i[389865,389878] [2021-12-14 19:09:07,399 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--mtd--devices--docg3.ko.cil.i[390034,390047] [2021-12-14 19:09:07,399 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--mtd--devices--docg3.ko.cil.i[390201,390214] [2021-12-14 19:09:07,399 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--mtd--devices--docg3.ko.cil.i[390369,390382] [2021-12-14 19:09:07,400 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--mtd--devices--docg3.ko.cil.i[390519,390532] [2021-12-14 19:09:07,400 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--mtd--devices--docg3.ko.cil.i[390666,390679] [2021-12-14 19:09:07,400 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--mtd--devices--docg3.ko.cil.i[390827,390840] [2021-12-14 19:09:07,401 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--mtd--devices--docg3.ko.cil.i[390997,391010] [2021-12-14 19:09:07,401 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--mtd--devices--docg3.ko.cil.i[391159,391172] [2021-12-14 19:09:07,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:09:07,446 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 19:09:07,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[377771,377784] [2021-12-14 19:09:07,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[377916,377929] [2021-12-14 19:09:07,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378062,378075] [2021-12-14 19:09:07,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378227,378240] [2021-12-14 19:09:07,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378385,378398] [2021-12-14 19:09:07,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378543,378556] [2021-12-14 19:09:07,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378701,378714] [2021-12-14 19:09:07,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378861,378874] [2021-12-14 19:09:07,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379020,379033] [2021-12-14 19:09:07,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379159,379172] [2021-12-14 19:09:07,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379301,379314] [2021-12-14 19:09:07,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379450,379463] [2021-12-14 19:09:07,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379589,379602] [2021-12-14 19:09:07,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379744,379757] [2021-12-14 19:09:07,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379904,379917] [2021-12-14 19:09:07,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380055,380068] [2021-12-14 19:09:07,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380206,380219] [2021-12-14 19:09:07,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380358,380371] [2021-12-14 19:09:07,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380507,380520] [2021-12-14 19:09:07,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380655,380668] [2021-12-14 19:09:07,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380812,380825] [2021-12-14 19:09:07,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380961,380974] [2021-12-14 19:09:07,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381117,381130] [2021-12-14 19:09:07,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381270,381283] [2021-12-14 19:09:07,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381416,381429] [2021-12-14 19:09:07,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381559,381572] [2021-12-14 19:09:07,779 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--mtd--devices--docg3.ko.cil.i[381711,381724] [2021-12-14 19:09:07,779 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--mtd--devices--docg3.ko.cil.i[381857,381870] [2021-12-14 19:09:07,779 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--mtd--devices--docg3.ko.cil.i[382002,382015] [2021-12-14 19:09:07,779 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--mtd--devices--docg3.ko.cil.i[382156,382169] [2021-12-14 19:09:07,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382307,382320] [2021-12-14 19:09:07,781 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--mtd--devices--docg3.ko.cil.i[382462,382475] [2021-12-14 19:09:07,781 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--mtd--devices--docg3.ko.cil.i[382614,382627] [2021-12-14 19:09:07,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382769,382782] [2021-12-14 19:09:07,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382933,382946] [2021-12-14 19:09:07,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383089,383102] [2021-12-14 19:09:07,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383253,383266] [2021-12-14 19:09:07,786 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--mtd--devices--docg3.ko.cil.i[383395,383408] [2021-12-14 19:09:07,786 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--mtd--devices--docg3.ko.cil.i[383553,383566] [2021-12-14 19:09:07,787 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--mtd--devices--docg3.ko.cil.i[383720,383733] [2021-12-14 19:09:07,788 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--mtd--devices--docg3.ko.cil.i[383879,383892] [2021-12-14 19:09:07,788 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--mtd--devices--docg3.ko.cil.i[384038,384051] [2021-12-14 19:09:07,788 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--mtd--devices--docg3.ko.cil.i[384187,384200] [2021-12-14 19:09:07,788 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--mtd--devices--docg3.ko.cil.i[384334,384347] [2021-12-14 19:09:07,789 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--mtd--devices--docg3.ko.cil.i[384473,384486] [2021-12-14 19:09:07,789 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--mtd--devices--docg3.ko.cil.i[384636,384649] [2021-12-14 19:09:07,789 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--mtd--devices--docg3.ko.cil.i[384802,384815] [2021-12-14 19:09:07,790 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--mtd--devices--docg3.ko.cil.i[384966,384979] [2021-12-14 19:09:07,790 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--mtd--devices--docg3.ko.cil.i[385131,385144] [2021-12-14 19:09:07,791 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--mtd--devices--docg3.ko.cil.i[385296,385309] [2021-12-14 19:09:07,791 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--mtd--devices--docg3.ko.cil.i[385462,385475] [2021-12-14 19:09:07,791 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--mtd--devices--docg3.ko.cil.i[385627,385640] [2021-12-14 19:09:07,791 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--mtd--devices--docg3.ko.cil.i[385794,385807] [2021-12-14 19:09:07,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[385954,385967] [2021-12-14 19:09:07,793 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--mtd--devices--docg3.ko.cil.i[386116,386129] [2021-12-14 19:09:07,793 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--mtd--devices--docg3.ko.cil.i[386275,386288] [2021-12-14 19:09:07,793 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--mtd--devices--docg3.ko.cil.i[386421,386434] [2021-12-14 19:09:07,794 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--mtd--devices--docg3.ko.cil.i[386564,386577] [2021-12-14 19:09:07,794 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--mtd--devices--docg3.ko.cil.i[386708,386721] [2021-12-14 19:09:07,794 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--mtd--devices--docg3.ko.cil.i[386851,386864] [2021-12-14 19:09:07,795 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--mtd--devices--docg3.ko.cil.i[386995,387008] [2021-12-14 19:09:07,795 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--mtd--devices--docg3.ko.cil.i[387136,387149] [2021-12-14 19:09:07,796 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--mtd--devices--docg3.ko.cil.i[387274,387287] [2021-12-14 19:09:07,798 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--mtd--devices--docg3.ko.cil.i[387432,387445] [2021-12-14 19:09:07,799 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--mtd--devices--docg3.ko.cil.i[387591,387604] [2021-12-14 19:09:07,799 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--mtd--devices--docg3.ko.cil.i[387747,387760] [2021-12-14 19:09:07,802 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--mtd--devices--docg3.ko.cil.i[387896,387909] [2021-12-14 19:09:07,803 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--mtd--devices--docg3.ko.cil.i[388048,388061] [2021-12-14 19:09:07,803 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--mtd--devices--docg3.ko.cil.i[388199,388212] [2021-12-14 19:09:07,804 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--mtd--devices--docg3.ko.cil.i[388348,388361] [2021-12-14 19:09:07,804 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--mtd--devices--docg3.ko.cil.i[388500,388513] [2021-12-14 19:09:07,805 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--mtd--devices--docg3.ko.cil.i[388648,388661] [2021-12-14 19:09:07,809 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--mtd--devices--docg3.ko.cil.i[388801,388814] [2021-12-14 19:09:07,810 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--mtd--devices--docg3.ko.cil.i[388952,388965] [2021-12-14 19:09:07,810 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--mtd--devices--docg3.ko.cil.i[389102,389115] [2021-12-14 19:09:07,810 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--mtd--devices--docg3.ko.cil.i[389249,389262] [2021-12-14 19:09:07,810 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--mtd--devices--docg3.ko.cil.i[389400,389413] [2021-12-14 19:09:07,811 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--mtd--devices--docg3.ko.cil.i[389551,389564] [2021-12-14 19:09:07,812 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--mtd--devices--docg3.ko.cil.i[389699,389712] [2021-12-14 19:09:07,812 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--mtd--devices--docg3.ko.cil.i[389865,389878] [2021-12-14 19:09:07,813 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--mtd--devices--docg3.ko.cil.i[390034,390047] [2021-12-14 19:09:07,813 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--mtd--devices--docg3.ko.cil.i[390201,390214] [2021-12-14 19:09:07,814 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--mtd--devices--docg3.ko.cil.i[390369,390382] [2021-12-14 19:09:07,814 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--mtd--devices--docg3.ko.cil.i[390519,390532] [2021-12-14 19:09:07,814 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--mtd--devices--docg3.ko.cil.i[390666,390679] [2021-12-14 19:09:07,814 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--mtd--devices--docg3.ko.cil.i[390827,390840] [2021-12-14 19:09:07,815 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--mtd--devices--docg3.ko.cil.i[390997,391010] [2021-12-14 19:09:07,815 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--mtd--devices--docg3.ko.cil.i[391159,391172] [2021-12-14 19:09:07,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:09:07,967 INFO L208 MainTranslator]: Completed translation [2021-12-14 19:09:07,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:09:07 WrapperNode [2021-12-14 19:09:07,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 19:09:07,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 19:09:07,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 19:09:07,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 19:09:07,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:09:07" (1/1) ... [2021-12-14 19:09:08,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:09:07" (1/1) ... [2021-12-14 19:09:08,189 INFO L137 Inliner]: procedures = 642, calls = 3004, calls flagged for inlining = 308, calls inlined = 202, statements flattened = 4626 [2021-12-14 19:09:08,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 19:09:08,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 19:09:08,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 19:09:08,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 19:09:08,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:09:07" (1/1) ... [2021-12-14 19:09:08,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:09:07" (1/1) ... [2021-12-14 19:09:08,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:09:07" (1/1) ... [2021-12-14 19:09:08,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:09:07" (1/1) ... [2021-12-14 19:09:08,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:09:07" (1/1) ... [2021-12-14 19:09:08,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:09:07" (1/1) ... [2021-12-14 19:09:08,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:09:07" (1/1) ... [2021-12-14 19:09:08,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 19:09:08,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 19:09:08,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 19:09:08,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 19:09:08,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:09:07" (1/1) ... [2021-12-14 19:09:08,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:09:08,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 19:09:08,379 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) [2021-12-14 19:09:08,458 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 [2021-12-14 19:09:08,508 INFO L130 BoogieDeclarations]: Found specification of procedure doc_read_page_prepare [2021-12-14 19:09:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_read_page_prepare [2021-12-14 19:09:08,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-14 19:09:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-14 19:09:08,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 19:09:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 19:09:08,509 INFO L130 BoogieDeclarations]: Found specification of procedure doc_writeb [2021-12-14 19:09:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_writeb [2021-12-14 19:09:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-14 19:09:08,510 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-14 19:09:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 19:09:08,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 19:09:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure doc_writew [2021-12-14 19:09:08,510 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_writew [2021-12-14 19:09:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-14 19:09:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-14 19:09:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure doc_read_page_ecc_init [2021-12-14 19:09:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_read_page_ecc_init [2021-12-14 19:09:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-14 19:09:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-14 19:09:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_docg3_cascade [2021-12-14 19:09:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_docg3_cascade [2021-12-14 19:09:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-14 19:09:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-14 19:09:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_pm_ops_instance_6 [2021-12-14 19:09:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_pm_ops_instance_6 [2021-12-14 19:09:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure doc_set_reliable_mode [2021-12-14 19:09:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_set_reliable_mode [2021-12-14 19:09:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 19:09:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 19:09:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure doc_read_data_area [2021-12-14 19:09:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_read_data_area [2021-12-14 19:09:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 19:09:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 19:09:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-14 19:09:08,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-14 19:09:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 19:09:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure doc_is_ready [2021-12-14 19:09:08,513 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_is_ready [2021-12-14 19:09:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure doc_register_readw [2021-12-14 19:09:08,513 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_register_readw [2021-12-14 19:09:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure docg3_release [2021-12-14 19:09:08,513 INFO L138 BoogieDeclarations]: Found implementation of procedure docg3_release [2021-12-14 19:09:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-14 19:09:08,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-14 19:09:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure doc_register_readb [2021-12-14 19:09:08,514 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_register_readb [2021-12-14 19:09:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure docg3_resume [2021-12-14 19:09:08,514 INFO L138 BoogieDeclarations]: Found implementation of procedure docg3_resume [2021-12-14 19:09:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 19:09:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-14 19:09:08,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-14 19:09:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 19:09:08,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 19:09:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-14 19:09:08,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-14 19:09:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 19:09:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-14 19:09:08,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-14 19:09:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure doc_readw [2021-12-14 19:09:08,515 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_readw [2021-12-14 19:09:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure doc_release_device [2021-12-14 19:09:08,516 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_release_device [2021-12-14 19:09:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-14 19:09:08,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-14 19:09:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 19:09:08,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 19:09:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure doc_readb [2021-12-14 19:09:08,516 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_readb [2021-12-14 19:09:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-14 19:09:08,516 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-14 19:09:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure trace_define_field [2021-12-14 19:09:08,519 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_define_field [2021-12-14 19:09:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-14 19:09:08,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-14 19:09:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure doc_set_device_id [2021-12-14 19:09:08,520 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_set_device_id [2021-12-14 19:09:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-14 19:09:08,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-14 19:09:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2021-12-14 19:09:08,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2021-12-14 19:09:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 19:09:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-12-14 19:09:08,521 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-12-14 19:09:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2021-12-14 19:09:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2021-12-14 19:09:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 19:09:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 19:09:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 19:09:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 19:09:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure doc_delay [2021-12-14 19:09:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_delay [2021-12-14 19:09:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 19:09:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:09:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:09:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:09:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:09:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2021-12-14 19:09:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2021-12-14 19:09:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure doc_read_page_getbytes [2021-12-14 19:09:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_read_page_getbytes [2021-12-14 19:09:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure doc_set_asic_mode [2021-12-14 19:09:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_set_asic_mode [2021-12-14 19:09:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure doc_flash_sequence [2021-12-14 19:09:08,524 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_flash_sequence [2021-12-14 19:09:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2021-12-14 19:09:08,524 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2021-12-14 19:09:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-14 19:09:08,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-14 19:09:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure docg3_suspend [2021-12-14 19:09:08,524 INFO L138 BoogieDeclarations]: Found implementation of procedure docg3_suspend [2021-12-14 19:09:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 19:09:08,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 19:09:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure docg3_probe [2021-12-14 19:09:08,524 INFO L138 BoogieDeclarations]: Found implementation of procedure docg3_probe [2021-12-14 19:09:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 19:09:08,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 19:09:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-14 19:09:08,525 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-14 19:09:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-14 19:09:08,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-14 19:09:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-14 19:09:08,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-14 19:09:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2021-12-14 19:09:08,526 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2021-12-14 19:09:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-14 19:09:08,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-14 19:09:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 19:09:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure doc_page_finish [2021-12-14 19:09:08,526 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_page_finish [2021-12-14 19:09:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-14 19:09:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-14 19:09:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 19:09:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure doc_reset_seq [2021-12-14 19:09:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_reset_seq [2021-12-14 19:09:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure doc_flash_command [2021-12-14 19:09:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_flash_command [2021-12-14 19:09:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure doc_read_page_finish [2021-12-14 19:09:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_read_page_finish [2021-12-14 19:09:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_sched_notrace [2021-12-14 19:09:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_sched_notrace [2021-12-14 19:09:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-14 19:09:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-14 19:09:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 19:09:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-14 19:09:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-14 19:09:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 19:09:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 19:09:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-14 19:09:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-14 19:09:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_docg3_cascade [2021-12-14 19:09:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_docg3_cascade [2021-12-14 19:09:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 19:09:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 19:09:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 19:09:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 19:09:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-14 19:09:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-14 19:09:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-14 19:09:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-14 19:09:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_dev2docg3 [2021-12-14 19:09:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_dev2docg3 [2021-12-14 19:09:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-14 19:09:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-14 19:09:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-12-14 19:09:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-12-14 19:09:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-14 19:09:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-14 19:09:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 19:09:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 19:09:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-14 19:09:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-14 19:09:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-14 19:09:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-14 19:09:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 19:09:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-14 19:09:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-14 19:09:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-14 19:09:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-12-14 19:09:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure doc_flash_address [2021-12-14 19:09:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_flash_address [2021-12-14 19:09:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 19:09:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 19:09:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure trace_docg3_io [2021-12-14 19:09:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_docg3_io [2021-12-14 19:09:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-14 19:09:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-14 19:09:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-14 19:09:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-14 19:09:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure doc_wait_ready [2021-12-14 19:09:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_wait_ready [2021-12-14 19:09:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure free_bch [2021-12-14 19:09:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bch [2021-12-14 19:09:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 19:09:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 19:09:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-14 19:09:08,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-14 19:09:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 19:09:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure doc_setup_addr_sector [2021-12-14 19:09:08,533 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_setup_addr_sector [2021-12-14 19:09:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-14 19:09:08,533 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-14 19:09:09,162 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 19:09:09,164 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 19:09:09,723 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 19:09:17,053 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 19:09:17,070 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 19:09:17,071 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-14 19:09:17,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:09:17 BoogieIcfgContainer [2021-12-14 19:09:17,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 19:09:17,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 19:09:17,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 19:09:17,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 19:09:17,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:09:04" (1/3) ... [2021-12-14 19:09:17,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab31b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:09:17, skipping insertion in model container [2021-12-14 19:09:17,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:09:07" (2/3) ... [2021-12-14 19:09:17,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab31b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:09:17, skipping insertion in model container [2021-12-14 19:09:17,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:09:17" (3/3) ... [2021-12-14 19:09:17,083 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i [2021-12-14 19:09:17,087 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 19:09:17,087 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2021-12-14 19:09:17,133 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 19:09:17,139 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 19:09:17,139 INFO L340 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2021-12-14 19:09:17,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 1624 states, 1040 states have (on average 1.2769230769230768) internal successors, (1328), 1112 states have internal predecessors, (1328), 463 states have call successors, (463), 94 states have call predecessors, (463), 93 states have return successors, (452), 442 states have call predecessors, (452), 452 states have call successors, (452) [2021-12-14 19:09:17,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-14 19:09:17,185 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:09:17,185 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:09:17,186 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-14 19:09:17,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:09:17,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1770724088, now seen corresponding path program 1 times [2021-12-14 19:09:17,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:09:17,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315130106] [2021-12-14 19:09:17,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:09:17,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:09:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:17,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:09:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 19:09:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:17,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:09:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:17,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-14 19:09:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:17,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:09:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:17,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 19:09:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 19:09:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:17,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-14 19:09:17,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:09:17,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315130106] [2021-12-14 19:09:17,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315130106] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:09:17,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:09:17,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:09:17,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10649608] [2021-12-14 19:09:17,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:09:17,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:09:17,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:09:17,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:09:17,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:09:17,783 INFO L87 Difference]: Start difference. First operand has 1624 states, 1040 states have (on average 1.2769230769230768) internal successors, (1328), 1112 states have internal predecessors, (1328), 463 states have call successors, (463), 94 states have call predecessors, (463), 93 states have return successors, (452), 442 states have call predecessors, (452), 452 states have call successors, (452) Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-14 19:09:21,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:09:21,690 INFO L93 Difference]: Finished difference Result 3187 states and 4611 transitions. [2021-12-14 19:09:21,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:09:21,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2021-12-14 19:09:21,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:09:21,720 INFO L225 Difference]: With dead ends: 3187 [2021-12-14 19:09:21,720 INFO L226 Difference]: Without dead ends: 1580 [2021-12-14 19:09:21,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:09:21,739 INFO L933 BasicCegarLoop]: 1949 mSDtfsCounter, 3207 mSDsluCounter, 1879 mSDsCounter, 0 mSdLazyCounter, 1768 mSolverCounterSat, 1768 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3442 SdHoareTripleChecker+Valid, 3828 SdHoareTripleChecker+Invalid, 3536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1768 IncrementalHoareTripleChecker+Valid, 1768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:09:21,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3442 Valid, 3828 Invalid, 3536 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1768 Valid, 1768 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-14 19:09:21,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2021-12-14 19:09:21,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1580. [2021-12-14 19:09:21,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1010 states have (on average 1.2217821782178218) internal successors, (1234), 1073 states have internal predecessors, (1234), 452 states have call successors, (452), 93 states have call predecessors, (452), 92 states have return successors, (450), 440 states have call predecessors, (450), 450 states have call successors, (450) [2021-12-14 19:09:21,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2136 transitions. [2021-12-14 19:09:21,889 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2136 transitions. Word has length 50 [2021-12-14 19:09:21,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:09:21,890 INFO L470 AbstractCegarLoop]: Abstraction has 1580 states and 2136 transitions. [2021-12-14 19:09:21,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-14 19:09:21,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2136 transitions. [2021-12-14 19:09:21,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-14 19:09:21,892 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:09:21,892 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:09:21,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 19:09:21,893 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-14 19:09:21,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:09:21,893 INFO L85 PathProgramCache]: Analyzing trace with hash -229968443, now seen corresponding path program 1 times [2021-12-14 19:09:21,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:09:21,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332062110] [2021-12-14 19:09:21,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:09:21,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:09:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:22,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:09:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:22,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 19:09:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:22,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:09:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:22,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-14 19:09:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:22,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:09:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:22,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 19:09:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:22,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 19:09:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:22,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 19:09:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:22,089 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-14 19:09:22,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:09:22,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332062110] [2021-12-14 19:09:22,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332062110] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:09:22,090 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:09:22,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:09:22,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143535342] [2021-12-14 19:09:22,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:09:22,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:09:22,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:09:22,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:09:22,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:09:22,092 INFO L87 Difference]: Start difference. First operand 1580 states and 2136 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-14 19:09:25,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:09:25,570 INFO L93 Difference]: Finished difference Result 1580 states and 2136 transitions. [2021-12-14 19:09:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:09:25,571 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 56 [2021-12-14 19:09:25,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:09:25,579 INFO L225 Difference]: With dead ends: 1580 [2021-12-14 19:09:25,580 INFO L226 Difference]: Without dead ends: 1578 [2021-12-14 19:09:25,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:09:25,583 INFO L933 BasicCegarLoop]: 1917 mSDtfsCounter, 3159 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 1754 mSolverCounterSat, 1744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3391 SdHoareTripleChecker+Valid, 3756 SdHoareTripleChecker+Invalid, 3498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1744 IncrementalHoareTripleChecker+Valid, 1754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-14 19:09:25,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3391 Valid, 3756 Invalid, 3498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1744 Valid, 1754 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-14 19:09:25,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1578 states. [2021-12-14 19:09:25,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1578 to 1578. [2021-12-14 19:09:25,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1578 states, 1009 states have (on average 1.2210109018830526) internal successors, (1232), 1071 states have internal predecessors, (1232), 452 states have call successors, (452), 93 states have call predecessors, (452), 92 states have return successors, (450), 440 states have call predecessors, (450), 450 states have call successors, (450) [2021-12-14 19:09:25,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1578 states and 2134 transitions. [2021-12-14 19:09:25,642 INFO L78 Accepts]: Start accepts. Automaton has 1578 states and 2134 transitions. Word has length 56 [2021-12-14 19:09:25,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:09:25,643 INFO L470 AbstractCegarLoop]: Abstraction has 1578 states and 2134 transitions. [2021-12-14 19:09:25,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-14 19:09:25,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 2134 transitions. [2021-12-14 19:09:25,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-14 19:09:25,646 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:09:25,647 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:09:25,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 19:09:25,647 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-14 19:09:25,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:09:25,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1038608407, now seen corresponding path program 1 times [2021-12-14 19:09:25,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:09:25,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988412148] [2021-12-14 19:09:25,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:09:25,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:09:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:09:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 19:09:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:25,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:09:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:25,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-14 19:09:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:09:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:25,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 19:09:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:25,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 19:09:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:25,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 19:09:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:25,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 19:09:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:25,868 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-14 19:09:25,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:09:25,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988412148] [2021-12-14 19:09:25,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988412148] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:09:25,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:09:25,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:09:25,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269496592] [2021-12-14 19:09:25,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:09:25,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:09:25,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:09:25,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:09:25,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:09:25,870 INFO L87 Difference]: Start difference. First operand 1578 states and 2134 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-12-14 19:09:29,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:09:29,638 INFO L93 Difference]: Finished difference Result 1578 states and 2134 transitions. [2021-12-14 19:09:29,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:09:29,639 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 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 62 [2021-12-14 19:09:29,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:09:29,648 INFO L225 Difference]: With dead ends: 1578 [2021-12-14 19:09:29,648 INFO L226 Difference]: Without dead ends: 1576 [2021-12-14 19:09:29,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:09:29,652 INFO L933 BasicCegarLoop]: 1915 mSDtfsCounter, 3153 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 1744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3384 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 3496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1744 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:09:29,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3384 Valid, 3754 Invalid, 3496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1744 Valid, 1752 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-14 19:09:29,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2021-12-14 19:09:29,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1576. [2021-12-14 19:09:29,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1008 states have (on average 1.2202380952380953) internal successors, (1230), 1069 states have internal predecessors, (1230), 452 states have call successors, (452), 93 states have call predecessors, (452), 92 states have return successors, (450), 440 states have call predecessors, (450), 450 states have call successors, (450) [2021-12-14 19:09:29,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2132 transitions. [2021-12-14 19:09:29,701 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2132 transitions. Word has length 62 [2021-12-14 19:09:29,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:09:29,701 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 2132 transitions. [2021-12-14 19:09:29,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-12-14 19:09:29,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2132 transitions. [2021-12-14 19:09:29,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-14 19:09:29,703 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:09:29,703 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:09:29,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 19:09:29,703 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-14 19:09:29,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:09:29,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1441240277, now seen corresponding path program 1 times [2021-12-14 19:09:29,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:09:29,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690765284] [2021-12-14 19:09:29,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:09:29,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:09:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:29,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:09:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:29,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 19:09:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:29,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:09:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:29,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-14 19:09:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:29,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:09:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:29,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 19:09:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:29,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 19:09:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:29,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 19:09:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:29,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 19:09:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:29,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:09:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:29,914 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-14 19:09:29,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:09:29,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690765284] [2021-12-14 19:09:29,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690765284] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:09:29,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:09:29,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:09:29,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15665059] [2021-12-14 19:09:29,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:09:29,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:09:29,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:09:29,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:09:29,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:09:29,916 INFO L87 Difference]: Start difference. First operand 1576 states and 2132 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 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) [2021-12-14 19:09:33,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:09:33,282 INFO L93 Difference]: Finished difference Result 1576 states and 2132 transitions. [2021-12-14 19:09:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:09:33,283 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 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 68 [2021-12-14 19:09:33,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:09:33,290 INFO L225 Difference]: With dead ends: 1576 [2021-12-14 19:09:33,290 INFO L226 Difference]: Without dead ends: 1574 [2021-12-14 19:09:33,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:09:33,309 INFO L933 BasicCegarLoop]: 1913 mSDtfsCounter, 3147 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 1744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3377 SdHoareTripleChecker+Valid, 3752 SdHoareTripleChecker+Invalid, 3494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1744 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-12-14 19:09:33,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3377 Valid, 3752 Invalid, 3494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1744 Valid, 1750 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-12-14 19:09:33,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2021-12-14 19:09:33,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 1574. [2021-12-14 19:09:33,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1574 states, 1007 states have (on average 1.2194637537239326) internal successors, (1228), 1067 states have internal predecessors, (1228), 452 states have call successors, (452), 93 states have call predecessors, (452), 92 states have return successors, (450), 440 states have call predecessors, (450), 450 states have call successors, (450) [2021-12-14 19:09:33,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 2130 transitions. [2021-12-14 19:09:33,361 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 2130 transitions. Word has length 68 [2021-12-14 19:09:33,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:09:33,362 INFO L470 AbstractCegarLoop]: Abstraction has 1574 states and 2130 transitions. [2021-12-14 19:09:33,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 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) [2021-12-14 19:09:33,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2130 transitions. [2021-12-14 19:09:33,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-14 19:09:33,363 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:09:33,363 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:09:33,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 19:09:33,363 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-14 19:09:33,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:09:33,364 INFO L85 PathProgramCache]: Analyzing trace with hash 2106454476, now seen corresponding path program 1 times [2021-12-14 19:09:33,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:09:33,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469574842] [2021-12-14 19:09:33,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:09:33,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:09:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:33,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:09:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:33,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 19:09:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:33,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:09:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:33,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-14 19:09:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:33,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:09:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:33,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 19:09:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:33,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 19:09:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:33,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 19:09:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:33,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 19:09:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:33,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:09:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:33,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 19:09:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:33,585 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-14 19:09:33,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:09:33,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469574842] [2021-12-14 19:09:33,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469574842] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:09:33,585 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:09:33,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:09:33,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754333966] [2021-12-14 19:09:33,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:09:33,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:09:33,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:09:33,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:09:33,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:09:33,587 INFO L87 Difference]: Start difference. First operand 1574 states and 2130 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 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) [2021-12-14 19:09:37,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:09:37,480 INFO L93 Difference]: Finished difference Result 1574 states and 2130 transitions. [2021-12-14 19:09:37,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:09:37,480 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 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 74 [2021-12-14 19:09:37,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:09:37,489 INFO L225 Difference]: With dead ends: 1574 [2021-12-14 19:09:37,489 INFO L226 Difference]: Without dead ends: 1572 [2021-12-14 19:09:37,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:09:37,491 INFO L933 BasicCegarLoop]: 1911 mSDtfsCounter, 3141 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 1748 mSolverCounterSat, 1744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3370 SdHoareTripleChecker+Valid, 3750 SdHoareTripleChecker+Invalid, 3492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1744 IncrementalHoareTripleChecker+Valid, 1748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-14 19:09:37,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3370 Valid, 3750 Invalid, 3492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1744 Valid, 1748 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-14 19:09:37,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2021-12-14 19:09:37,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 1572. [2021-12-14 19:09:37,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1006 states have (on average 1.2186878727634194) internal successors, (1226), 1065 states have internal predecessors, (1226), 452 states have call successors, (452), 93 states have call predecessors, (452), 92 states have return successors, (450), 440 states have call predecessors, (450), 450 states have call successors, (450) [2021-12-14 19:09:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2128 transitions. [2021-12-14 19:09:37,552 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2128 transitions. Word has length 74 [2021-12-14 19:09:37,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:09:37,552 INFO L470 AbstractCegarLoop]: Abstraction has 1572 states and 2128 transitions. [2021-12-14 19:09:37,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 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) [2021-12-14 19:09:37,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2128 transitions. [2021-12-14 19:09:37,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-14 19:09:37,555 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:09:37,555 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:09:37,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 19:09:37,556 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-14 19:09:37,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:09:37,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1337373707, now seen corresponding path program 1 times [2021-12-14 19:09:37,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:09:37,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208218400] [2021-12-14 19:09:37,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:09:37,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:09:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:37,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:09:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:37,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 19:09:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:37,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:09:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:37,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-14 19:09:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:37,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:09:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:37,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 19:09:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:37,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 19:09:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:37,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 19:09:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:37,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 19:09:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:37,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:09:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:37,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 19:09:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:37,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-14 19:09:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:37,784 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-14 19:09:37,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:09:37,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208218400] [2021-12-14 19:09:37,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208218400] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:09:37,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:09:37,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:09:37,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545584749] [2021-12-14 19:09:37,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:09:37,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:09:37,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:09:37,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:09:37,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:09:37,786 INFO L87 Difference]: Start difference. First operand 1572 states and 2128 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 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) [2021-12-14 19:09:39,502 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 19:09:42,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:09:42,417 INFO L93 Difference]: Finished difference Result 1572 states and 2128 transitions. [2021-12-14 19:09:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:09:42,417 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 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 80 [2021-12-14 19:09:42,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:09:42,424 INFO L225 Difference]: With dead ends: 1572 [2021-12-14 19:09:42,425 INFO L226 Difference]: Without dead ends: 1570 [2021-12-14 19:09:42,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:09:42,426 INFO L933 BasicCegarLoop]: 1909 mSDtfsCounter, 3135 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 1746 mSolverCounterSat, 1744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3363 SdHoareTripleChecker+Valid, 3748 SdHoareTripleChecker+Invalid, 3490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1744 IncrementalHoareTripleChecker+Valid, 1746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:09:42,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3363 Valid, 3748 Invalid, 3490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1744 Valid, 1746 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-12-14 19:09:42,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2021-12-14 19:09:42,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1570. [2021-12-14 19:09:42,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1005 states have (on average 1.217910447761194) internal successors, (1224), 1063 states have internal predecessors, (1224), 452 states have call successors, (452), 93 states have call predecessors, (452), 92 states have return successors, (450), 440 states have call predecessors, (450), 450 states have call successors, (450) [2021-12-14 19:09:42,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2126 transitions. [2021-12-14 19:09:42,476 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2126 transitions. Word has length 80 [2021-12-14 19:09:42,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:09:42,477 INFO L470 AbstractCegarLoop]: Abstraction has 1570 states and 2126 transitions. [2021-12-14 19:09:42,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 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) [2021-12-14 19:09:42,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2126 transitions. [2021-12-14 19:09:42,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-14 19:09:42,478 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:09:42,478 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:09:42,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 19:09:42,478 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-14 19:09:42,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:09:42,478 INFO L85 PathProgramCache]: Analyzing trace with hash -911838576, now seen corresponding path program 1 times [2021-12-14 19:09:42,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:09:42,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104751389] [2021-12-14 19:09:42,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:09:42,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:09:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:42,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:09:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:42,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 19:09:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:42,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:09:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:42,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-14 19:09:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:42,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:09:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:42,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 19:09:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 19:09:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:42,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 19:09:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:42,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 19:09:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:42,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:09:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:42,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 19:09:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:42,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-14 19:09:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:42,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-14 19:09:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:42,682 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-14 19:09:42,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:09:42,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104751389] [2021-12-14 19:09:42,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104751389] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:09:42,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:09:42,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:09:42,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736685930] [2021-12-14 19:09:42,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:09:42,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:09:42,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:09:42,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:09:42,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:09:42,684 INFO L87 Difference]: Start difference. First operand 1570 states and 2126 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 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) [2021-12-14 19:09:46,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:09:46,152 INFO L93 Difference]: Finished difference Result 1570 states and 2126 transitions. [2021-12-14 19:09:46,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:09:46,153 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 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 86 [2021-12-14 19:09:46,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:09:46,175 INFO L225 Difference]: With dead ends: 1570 [2021-12-14 19:09:46,177 INFO L226 Difference]: Without dead ends: 1568 [2021-12-14 19:09:46,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:09:46,179 INFO L933 BasicCegarLoop]: 1907 mSDtfsCounter, 3129 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 1744 mSolverCounterSat, 1744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3356 SdHoareTripleChecker+Valid, 3746 SdHoareTripleChecker+Invalid, 3488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1744 IncrementalHoareTripleChecker+Valid, 1744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-14 19:09:46,179 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3356 Valid, 3746 Invalid, 3488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1744 Valid, 1744 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-14 19:09:46,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1568 states. [2021-12-14 19:09:46,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1568 to 1568. [2021-12-14 19:09:46,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1004 states have (on average 1.2171314741035857) internal successors, (1222), 1061 states have internal predecessors, (1222), 452 states have call successors, (452), 93 states have call predecessors, (452), 92 states have return successors, (450), 440 states have call predecessors, (450), 450 states have call successors, (450) [2021-12-14 19:09:46,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2124 transitions. [2021-12-14 19:09:46,226 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2124 transitions. Word has length 86 [2021-12-14 19:09:46,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:09:46,227 INFO L470 AbstractCegarLoop]: Abstraction has 1568 states and 2124 transitions. [2021-12-14 19:09:46,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 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) [2021-12-14 19:09:46,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2124 transitions. [2021-12-14 19:09:46,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-12-14 19:09:46,228 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:09:46,228 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:09:46,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-14 19:09:46,228 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-14 19:09:46,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:09:46,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1783796191, now seen corresponding path program 1 times [2021-12-14 19:09:46,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:09:46,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547904587] [2021-12-14 19:09:46,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:09:46,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:09:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:46,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:09:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:46,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 19:09:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:46,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:09:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:46,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-14 19:09:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:46,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:09:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:46,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 19:09:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:46,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 19:09:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:46,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 19:09:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:46,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 19:09:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:46,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:09:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:46,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 19:09:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:46,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-14 19:09:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:46,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-14 19:09:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:46,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 19:09:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:46,407 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-14 19:09:46,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:09:46,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547904587] [2021-12-14 19:09:46,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547904587] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:09:46,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:09:46,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:09:46,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704881887] [2021-12-14 19:09:46,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:09:46,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:09:46,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:09:46,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:09:46,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:09:46,409 INFO L87 Difference]: Start difference. First operand 1568 states and 2124 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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) [2021-12-14 19:09:50,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:09:50,046 INFO L93 Difference]: Finished difference Result 1568 states and 2124 transitions. [2021-12-14 19:09:50,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:09:50,047 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 92 [2021-12-14 19:09:50,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:09:50,069 INFO L225 Difference]: With dead ends: 1568 [2021-12-14 19:09:50,070 INFO L226 Difference]: Without dead ends: 1566 [2021-12-14 19:09:50,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:09:50,087 INFO L933 BasicCegarLoop]: 1905 mSDtfsCounter, 3127 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 1738 mSolverCounterSat, 1744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3353 SdHoareTripleChecker+Valid, 3744 SdHoareTripleChecker+Invalid, 3482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1744 IncrementalHoareTripleChecker+Valid, 1738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:09:50,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3353 Valid, 3744 Invalid, 3482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1744 Valid, 1738 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-14 19:09:50,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1566 states. [2021-12-14 19:09:50,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1566 to 1566. [2021-12-14 19:09:50,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1566 states, 1003 states have (on average 1.2163509471585243) internal successors, (1220), 1059 states have internal predecessors, (1220), 452 states have call successors, (452), 93 states have call predecessors, (452), 92 states have return successors, (450), 440 states have call predecessors, (450), 450 states have call successors, (450) [2021-12-14 19:09:50,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2122 transitions. [2021-12-14 19:09:50,141 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2122 transitions. Word has length 92 [2021-12-14 19:09:50,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:09:50,141 INFO L470 AbstractCegarLoop]: Abstraction has 1566 states and 2122 transitions. [2021-12-14 19:09:50,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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) [2021-12-14 19:09:50,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2122 transitions. [2021-12-14 19:09:50,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-14 19:09:50,143 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:09:50,143 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:09:50,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-14 19:09:50,143 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-14 19:09:50,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:09:50,144 INFO L85 PathProgramCache]: Analyzing trace with hash -536043996, now seen corresponding path program 1 times [2021-12-14 19:09:50,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:09:50,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560278332] [2021-12-14 19:09:50,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:09:50,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:09:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:50,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:09:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:50,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 19:09:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:50,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:09:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:50,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-14 19:09:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:50,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:09:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:50,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 19:09:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:50,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 19:09:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:50,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 19:09:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:50,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 19:09:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:50,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:09:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:50,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 19:09:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:50,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-14 19:09:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:50,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-14 19:09:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:50,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 19:09:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-14 19:09:50,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:09:50,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560278332] [2021-12-14 19:09:50,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560278332] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:09:50,341 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:09:50,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:09:50,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051626565] [2021-12-14 19:09:50,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:09:50,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:09:50,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:09:50,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:09:50,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:09:50,343 INFO L87 Difference]: Start difference. First operand 1566 states and 2122 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 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) [2021-12-14 19:09:54,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:09:54,329 INFO L93 Difference]: Finished difference Result 1566 states and 2122 transitions. [2021-12-14 19:09:54,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:09:54,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 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 [2021-12-14 19:09:54,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:09:54,336 INFO L225 Difference]: With dead ends: 1566 [2021-12-14 19:09:54,336 INFO L226 Difference]: Without dead ends: 1564 [2021-12-14 19:09:54,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:09:54,339 INFO L933 BasicCegarLoop]: 1903 mSDtfsCounter, 3115 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 1740 mSolverCounterSat, 1744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3341 SdHoareTripleChecker+Valid, 3742 SdHoareTripleChecker+Invalid, 3484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1744 IncrementalHoareTripleChecker+Valid, 1740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-14 19:09:54,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3341 Valid, 3742 Invalid, 3484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1744 Valid, 1740 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-14 19:09:54,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2021-12-14 19:09:54,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1564. [2021-12-14 19:09:54,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1002 states have (on average 1.215568862275449) internal successors, (1218), 1057 states have internal predecessors, (1218), 452 states have call successors, (452), 93 states have call predecessors, (452), 92 states have return successors, (450), 440 states have call predecessors, (450), 450 states have call successors, (450) [2021-12-14 19:09:54,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2120 transitions. [2021-12-14 19:09:54,409 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2120 transitions. Word has length 94 [2021-12-14 19:09:54,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:09:54,409 INFO L470 AbstractCegarLoop]: Abstraction has 1564 states and 2120 transitions. [2021-12-14 19:09:54,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 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) [2021-12-14 19:09:54,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2120 transitions. [2021-12-14 19:09:54,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-14 19:09:54,411 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:09:54,412 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:09:54,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-14 19:09:54,412 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-14 19:09:54,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:09:54,412 INFO L85 PathProgramCache]: Analyzing trace with hash -250965716, now seen corresponding path program 1 times [2021-12-14 19:09:54,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:09:54,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970161054] [2021-12-14 19:09:54,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:09:54,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:09:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:54,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:09:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:54,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 19:09:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:54,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:09:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:54,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-14 19:09:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:54,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:09:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:54,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 19:09:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:54,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 19:09:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:54,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 19:09:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:54,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 19:09:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:09:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:54,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 19:09:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:54,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-14 19:09:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:54,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-14 19:09:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:54,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 19:09:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:54,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-14 19:09:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:54,632 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-14 19:09:54,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:09:54,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970161054] [2021-12-14 19:09:54,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970161054] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:09:54,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:09:54,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:09:54,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584733859] [2021-12-14 19:09:54,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:09:54,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:09:54,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:09:54,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:09:54,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:09:54,634 INFO L87 Difference]: Start difference. First operand 1564 states and 2120 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 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) [2021-12-14 19:09:58,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:09:58,171 INFO L93 Difference]: Finished difference Result 1564 states and 2120 transitions. [2021-12-14 19:09:58,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:09:58,171 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 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 [2021-12-14 19:09:58,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:09:58,178 INFO L225 Difference]: With dead ends: 1564 [2021-12-14 19:09:58,178 INFO L226 Difference]: Without dead ends: 1562 [2021-12-14 19:09:58,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:09:58,192 INFO L933 BasicCegarLoop]: 1901 mSDtfsCounter, 3111 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 1738 mSolverCounterSat, 1744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3336 SdHoareTripleChecker+Valid, 3740 SdHoareTripleChecker+Invalid, 3482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1744 IncrementalHoareTripleChecker+Valid, 1738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-14 19:09:58,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3336 Valid, 3740 Invalid, 3482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1744 Valid, 1738 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-14 19:09:58,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2021-12-14 19:09:58,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1562. [2021-12-14 19:09:58,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1001 states have (on average 1.2147852147852147) internal successors, (1216), 1055 states have internal predecessors, (1216), 452 states have call successors, (452), 93 states have call predecessors, (452), 92 states have return successors, (450), 440 states have call predecessors, (450), 450 states have call successors, (450) [2021-12-14 19:09:58,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2118 transitions. [2021-12-14 19:09:58,257 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2118 transitions. Word has length 100 [2021-12-14 19:09:58,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:09:58,258 INFO L470 AbstractCegarLoop]: Abstraction has 1562 states and 2118 transitions. [2021-12-14 19:09:58,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 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) [2021-12-14 19:09:58,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2118 transitions. [2021-12-14 19:09:58,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-14 19:09:58,260 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:09:58,260 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:09:58,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-14 19:09:58,260 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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)] === [2021-12-14 19:09:58,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:09:58,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1186999146, now seen corresponding path program 1 times [2021-12-14 19:09:58,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:09:58,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001091572] [2021-12-14 19:09:58,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:09:58,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:09:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:58,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:09:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:58,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 19:09:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:58,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:09:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:58,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-14 19:09:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:58,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:09:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:58,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 19:09:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:58,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 19:09:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:58,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 19:09:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:58,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 19:09:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:58,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:09:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:58,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 19:09:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:58,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-14 19:09:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:58,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-14 19:09:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:58,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 19:09:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:58,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-14 19:09:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:58,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-14 19:09:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:09:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-14 19:09:58,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:09:58,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001091572] [2021-12-14 19:09:58,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001091572] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:09:58,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:09:58,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:09:58,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106342601] [2021-12-14 19:09:58,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:09:58,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:09:58,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:09:58,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:09:58,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:09:58,522 INFO L87 Difference]: Start difference. First operand 1562 states and 2118 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 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) [2021-12-14 19:10:02,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:10:02,970 INFO L93 Difference]: Finished difference Result 1562 states and 2118 transitions. [2021-12-14 19:10:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:10:02,970 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 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 [2021-12-14 19:10:02,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:10:02,977 INFO L225 Difference]: With dead ends: 1562 [2021-12-14 19:10:02,977 INFO L226 Difference]: Without dead ends: 1560 [2021-12-14 19:10:02,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:10:02,985 INFO L933 BasicCegarLoop]: 1899 mSDtfsCounter, 3105 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 1736 mSolverCounterSat, 1744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3329 SdHoareTripleChecker+Valid, 3738 SdHoareTripleChecker+Invalid, 3480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1744 IncrementalHoareTripleChecker+Valid, 1736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-14 19:10:02,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3329 Valid, 3738 Invalid, 3480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1744 Valid, 1736 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-14 19:10:02,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2021-12-14 19:10:03,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1560. [2021-12-14 19:10:03,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1560 states, 1000 states have (on average 1.214) internal successors, (1214), 1053 states have internal predecessors, (1214), 452 states have call successors, (452), 93 states have call predecessors, (452), 92 states have return successors, (450), 440 states have call predecessors, (450), 450 states have call successors, (450) [2021-12-14 19:10:03,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1560 states and 2116 transitions. [2021-12-14 19:10:03,054 INFO L78 Accepts]: Start accepts. Automaton has 1560 states and 2116 transitions. Word has length 106 [2021-12-14 19:10:03,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:10:03,054 INFO L470 AbstractCegarLoop]: Abstraction has 1560 states and 2116 transitions. [2021-12-14 19:10:03,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 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) [2021-12-14 19:10:03,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 2116 transitions. [2021-12-14 19:10:03,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-14 19:10:03,055 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:10:03,055 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:10:03,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-14 19:10:03,056 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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)] === [2021-12-14 19:10:03,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:10:03,056 INFO L85 PathProgramCache]: Analyzing trace with hash 599003041, now seen corresponding path program 1 times [2021-12-14 19:10:03,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:10:03,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885329153] [2021-12-14 19:10:03,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:10:03,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:10:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:03,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:10:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:03,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 19:10:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:03,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:10:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:03,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-14 19:10:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:03,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:10:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:03,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 19:10:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:03,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 19:10:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:03,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 19:10:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:03,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 19:10:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:10:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:03,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 19:10:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:03,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-14 19:10:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:03,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-14 19:10:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:03,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 19:10:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:03,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-14 19:10:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:03,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-14 19:10:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:03,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:10:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:03,270 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-14 19:10:03,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:10:03,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885329153] [2021-12-14 19:10:03,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885329153] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:10:03,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:10:03,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:10:03,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751550084] [2021-12-14 19:10:03,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:10:03,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:10:03,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:10:03,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:10:03,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:10:03,273 INFO L87 Difference]: Start difference. First operand 1560 states and 2116 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 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) [2021-12-14 19:10:06,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:10:06,998 INFO L93 Difference]: Finished difference Result 1560 states and 2116 transitions. [2021-12-14 19:10:06,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:10:06,998 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 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 112 [2021-12-14 19:10:07,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:10:07,006 INFO L225 Difference]: With dead ends: 1560 [2021-12-14 19:10:07,007 INFO L226 Difference]: Without dead ends: 1558 [2021-12-14 19:10:07,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:10:07,008 INFO L933 BasicCegarLoop]: 1897 mSDtfsCounter, 3099 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 1734 mSolverCounterSat, 1744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3322 SdHoareTripleChecker+Valid, 3736 SdHoareTripleChecker+Invalid, 3478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1744 IncrementalHoareTripleChecker+Valid, 1734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-14 19:10:07,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3322 Valid, 3736 Invalid, 3478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1744 Valid, 1734 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-14 19:10:07,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1558 states. [2021-12-14 19:10:07,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1558 to 1558. [2021-12-14 19:10:07,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 999 states have (on average 1.2132132132132132) internal successors, (1212), 1051 states have internal predecessors, (1212), 452 states have call successors, (452), 93 states have call predecessors, (452), 92 states have return successors, (450), 440 states have call predecessors, (450), 450 states have call successors, (450) [2021-12-14 19:10:07,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2114 transitions. [2021-12-14 19:10:07,074 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2114 transitions. Word has length 112 [2021-12-14 19:10:07,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:10:07,075 INFO L470 AbstractCegarLoop]: Abstraction has 1558 states and 2114 transitions. [2021-12-14 19:10:07,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 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) [2021-12-14 19:10:07,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2114 transitions. [2021-12-14 19:10:07,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-14 19:10:07,076 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:10:07,077 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:10:07,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-14 19:10:07,077 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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)] === [2021-12-14 19:10:07,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:10:07,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1333838664, now seen corresponding path program 1 times [2021-12-14 19:10:07,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:10:07,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138192350] [2021-12-14 19:10:07,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:10:07,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:10:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:10:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 19:10:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 19:10:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-14 19:10:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:10:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 19:10:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 19:10:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 19:10:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 19:10:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:10:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 19:10:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-14 19:10:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-14 19:10:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 19:10:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-14 19:10:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-14 19:10:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:10:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-14 19:10:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:10:07,292 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-14 19:10:07,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:10:07,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138192350] [2021-12-14 19:10:07,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138192350] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:10:07,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:10:07,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:10:07,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318204937] [2021-12-14 19:10:07,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:10:07,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:10:07,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:10:07,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:10:07,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:10:07,294 INFO L87 Difference]: Start difference. First operand 1558 states and 2114 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 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)