./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--infiniband--ulp--srp--ib_srp.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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--infiniband--ulp--srp--ib_srp.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 188ee53f522474cbed3b84688a97cb695f8c200c08b81ee018c8c71261740ca8 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 15:31:10,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 15:31:10,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 15:31:10,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 15:31:10,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 15:31:10,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 15:31:10,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 15:31:10,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 15:31:10,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 15:31:10,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 15:31:10,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 15:31:10,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 15:31:10,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 15:31:10,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 15:31:10,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 15:31:10,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 15:31:10,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 15:31:10,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 15:31:10,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 15:31:10,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 15:31:10,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 15:31:10,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 15:31:10,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 15:31:10,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 15:31:10,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 15:31:10,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 15:31:10,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 15:31:10,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 15:31:10,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 15:31:10,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 15:31:10,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 15:31:10,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 15:31:10,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 15:31:10,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 15:31:10,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 15:31:10,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 15:31:10,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 15:31:10,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 15:31:10,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 15:31:10,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 15:31:10,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 15:31:10,371 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 15:31:10,393 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 15:31:10,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 15:31:10,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 15:31:10,394 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 15:31:10,395 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 15:31:10,395 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 15:31:10,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 15:31:10,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 15:31:10,396 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 15:31:10,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 15:31:10,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 15:31:10,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 15:31:10,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 15:31:10,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 15:31:10,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 15:31:10,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 15:31:10,398 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 15:31:10,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 15:31:10,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 15:31:10,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 15:31:10,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 15:31:10,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 15:31:10,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 15:31:10,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 15:31:10,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 15:31:10,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 15:31:10,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 15:31:10,400 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 15:31:10,400 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 15:31:10,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 15:31:10,400 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 15:31:10,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 188ee53f522474cbed3b84688a97cb695f8c200c08b81ee018c8c71261740ca8 [2021-12-18 15:31:10,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 15:31:10,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 15:31:10,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 15:31:10,624 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 15:31:10,624 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 15:31:10,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i [2021-12-18 15:31:10,684 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cf5775ef/62fe23f4503f4ee1a5c1870e406f9790/FLAG0fc075768 [2021-12-18 15:31:11,378 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 15:31:11,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i [2021-12-18 15:31:11,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cf5775ef/62fe23f4503f4ee1a5c1870e406f9790/FLAG0fc075768 [2021-12-18 15:31:11,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cf5775ef/62fe23f4503f4ee1a5c1870e406f9790 [2021-12-18 15:31:11,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 15:31:11,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 15:31:11,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 15:31:11,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 15:31:11,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 15:31:11,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:31:11" (1/1) ... [2021-12-18 15:31:11,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4884e03c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:11, skipping insertion in model container [2021-12-18 15:31:11,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:31:11" (1/1) ... [2021-12-18 15:31:11,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 15:31:11,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 15:31:16,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[606914,606927] [2021-12-18 15:31:16,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[607059,607072] [2021-12-18 15:31:16,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[607205,607218] [2021-12-18 15:31:16,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[607370,607383] [2021-12-18 15:31:16,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[607528,607541] [2021-12-18 15:31:16,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[607686,607699] [2021-12-18 15:31:16,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[607844,607857] [2021-12-18 15:31:16,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[608004,608017] [2021-12-18 15:31:16,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[608163,608176] [2021-12-18 15:31:16,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[608302,608315] [2021-12-18 15:31:16,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[608444,608457] [2021-12-18 15:31:16,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[608593,608606] [2021-12-18 15:31:16,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[608732,608745] [2021-12-18 15:31:16,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[608887,608900] [2021-12-18 15:31:16,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[609047,609060] [2021-12-18 15:31:16,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[609198,609211] [2021-12-18 15:31:16,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[609349,609362] [2021-12-18 15:31:16,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[609501,609514] [2021-12-18 15:31:16,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[609650,609663] [2021-12-18 15:31:16,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[609798,609811] [2021-12-18 15:31:16,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[609955,609968] [2021-12-18 15:31:16,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[610104,610117] [2021-12-18 15:31:16,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[610260,610273] [2021-12-18 15:31:16,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[610413,610426] [2021-12-18 15:31:16,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[610559,610572] [2021-12-18 15:31:16,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[610702,610715] [2021-12-18 15:31:16,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[610854,610867] [2021-12-18 15:31:16,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[611000,611013] [2021-12-18 15:31:16,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[611145,611158] [2021-12-18 15:31:16,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[611299,611312] [2021-12-18 15:31:16,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[611450,611463] [2021-12-18 15:31:16,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[611605,611618] [2021-12-18 15:31:16,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[611757,611770] [2021-12-18 15:31:16,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[611912,611925] [2021-12-18 15:31:16,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[612076,612089] [2021-12-18 15:31:16,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[612232,612245] [2021-12-18 15:31:16,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[612396,612409] [2021-12-18 15:31:16,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[612538,612551] [2021-12-18 15:31:16,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[612696,612709] [2021-12-18 15:31:16,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[612863,612876] [2021-12-18 15:31:16,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[613022,613035] [2021-12-18 15:31:16,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[613181,613194] [2021-12-18 15:31:16,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[613330,613343] [2021-12-18 15:31:16,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[613477,613490] [2021-12-18 15:31:16,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[613616,613629] [2021-12-18 15:31:16,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[613779,613792] [2021-12-18 15:31:16,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[613945,613958] [2021-12-18 15:31:16,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[614109,614122] [2021-12-18 15:31:16,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[614274,614287] [2021-12-18 15:31:16,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[614439,614452] [2021-12-18 15:31:16,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[614605,614618] [2021-12-18 15:31:16,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[614770,614783] [2021-12-18 15:31:16,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[614937,614950] [2021-12-18 15:31:16,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[615097,615110] [2021-12-18 15:31:16,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[615259,615272] [2021-12-18 15:31:16,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[615418,615431] [2021-12-18 15:31:16,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[615564,615577] [2021-12-18 15:31:16,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[615707,615720] [2021-12-18 15:31:16,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[615851,615864] [2021-12-18 15:31:16,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[615994,616007] [2021-12-18 15:31:16,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[616138,616151] [2021-12-18 15:31:16,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[616279,616292] [2021-12-18 15:31:16,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[616417,616430] [2021-12-18 15:31:16,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[616575,616588] [2021-12-18 15:31:16,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[616734,616747] [2021-12-18 15:31:16,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[616890,616903] [2021-12-18 15:31:16,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[617039,617052] [2021-12-18 15:31:16,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[617191,617204] [2021-12-18 15:31:16,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[617342,617355] [2021-12-18 15:31:16,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[617491,617504] [2021-12-18 15:31:16,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[617643,617656] [2021-12-18 15:31:16,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[617791,617804] [2021-12-18 15:31:16,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[617944,617957] [2021-12-18 15:31:16,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[618095,618108] [2021-12-18 15:31:16,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[618245,618258] [2021-12-18 15:31:16,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[618392,618405] [2021-12-18 15:31:16,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[618543,618556] [2021-12-18 15:31:16,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[618694,618707] [2021-12-18 15:31:16,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[618842,618855] [2021-12-18 15:31:16,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[619008,619021] [2021-12-18 15:31:16,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[619177,619190] [2021-12-18 15:31:16,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[619344,619357] [2021-12-18 15:31:16,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[619512,619525] [2021-12-18 15:31:16,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[619662,619675] [2021-12-18 15:31:16,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[619809,619822] [2021-12-18 15:31:16,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[619970,619983] [2021-12-18 15:31:16,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[620140,620153] [2021-12-18 15:31:16,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[620302,620315] [2021-12-18 15:31:16,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 15:31:16,919 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 15:31:17,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[606914,606927] [2021-12-18 15:31:17,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[607059,607072] [2021-12-18 15:31:17,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[607205,607218] [2021-12-18 15:31:17,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[607370,607383] [2021-12-18 15:31:17,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[607528,607541] [2021-12-18 15:31:17,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[607686,607699] [2021-12-18 15:31:17,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[607844,607857] [2021-12-18 15:31:17,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[608004,608017] [2021-12-18 15:31:17,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[608163,608176] [2021-12-18 15:31:17,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[608302,608315] [2021-12-18 15:31:17,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[608444,608457] [2021-12-18 15:31:17,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[608593,608606] [2021-12-18 15:31:17,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[608732,608745] [2021-12-18 15:31:17,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[608887,608900] [2021-12-18 15:31:17,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[609047,609060] [2021-12-18 15:31:17,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[609198,609211] [2021-12-18 15:31:17,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[609349,609362] [2021-12-18 15:31:17,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[609501,609514] [2021-12-18 15:31:17,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[609650,609663] [2021-12-18 15:31:17,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[609798,609811] [2021-12-18 15:31:17,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[609955,609968] [2021-12-18 15:31:17,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[610104,610117] [2021-12-18 15:31:17,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[610260,610273] [2021-12-18 15:31:17,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[610413,610426] [2021-12-18 15:31:17,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[610559,610572] [2021-12-18 15:31:17,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[610702,610715] [2021-12-18 15:31:17,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[610854,610867] [2021-12-18 15:31:17,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[611000,611013] [2021-12-18 15:31:17,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[611145,611158] [2021-12-18 15:31:17,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[611299,611312] [2021-12-18 15:31:17,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[611450,611463] [2021-12-18 15:31:17,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[611605,611618] [2021-12-18 15:31:17,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[611757,611770] [2021-12-18 15:31:17,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[611912,611925] [2021-12-18 15:31:17,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[612076,612089] [2021-12-18 15:31:17,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[612232,612245] [2021-12-18 15:31:17,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[612396,612409] [2021-12-18 15:31:17,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[612538,612551] [2021-12-18 15:31:17,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[612696,612709] [2021-12-18 15:31:17,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[612863,612876] [2021-12-18 15:31:17,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[613022,613035] [2021-12-18 15:31:17,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[613181,613194] [2021-12-18 15:31:17,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[613330,613343] [2021-12-18 15:31:17,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[613477,613490] [2021-12-18 15:31:17,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[613616,613629] [2021-12-18 15:31:17,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[613779,613792] [2021-12-18 15:31:17,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[613945,613958] [2021-12-18 15:31:17,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[614109,614122] [2021-12-18 15:31:17,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[614274,614287] [2021-12-18 15:31:17,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[614439,614452] [2021-12-18 15:31:17,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[614605,614618] [2021-12-18 15:31:17,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[614770,614783] [2021-12-18 15:31:17,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[614937,614950] [2021-12-18 15:31:17,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[615097,615110] [2021-12-18 15:31:17,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[615259,615272] [2021-12-18 15:31:17,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[615418,615431] [2021-12-18 15:31:17,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[615564,615577] [2021-12-18 15:31:17,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[615707,615720] [2021-12-18 15:31:17,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[615851,615864] [2021-12-18 15:31:17,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[615994,616007] [2021-12-18 15:31:17,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[616138,616151] [2021-12-18 15:31:17,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[616279,616292] [2021-12-18 15:31:17,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[616417,616430] [2021-12-18 15:31:17,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[616575,616588] [2021-12-18 15:31:17,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[616734,616747] [2021-12-18 15:31:17,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[616890,616903] [2021-12-18 15:31:17,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[617039,617052] [2021-12-18 15:31:17,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[617191,617204] [2021-12-18 15:31:17,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[617342,617355] [2021-12-18 15:31:17,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[617491,617504] [2021-12-18 15:31:17,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[617643,617656] [2021-12-18 15:31:17,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[617791,617804] [2021-12-18 15:31:17,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[617944,617957] [2021-12-18 15:31:17,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[618095,618108] [2021-12-18 15:31:17,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[618245,618258] [2021-12-18 15:31:17,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[618392,618405] [2021-12-18 15:31:17,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[618543,618556] [2021-12-18 15:31:17,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[618694,618707] [2021-12-18 15:31:17,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[618842,618855] [2021-12-18 15:31:17,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[619008,619021] [2021-12-18 15:31:17,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[619177,619190] [2021-12-18 15:31:17,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[619344,619357] [2021-12-18 15:31:17,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[619512,619525] [2021-12-18 15:31:17,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[619662,619675] [2021-12-18 15:31:17,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[619809,619822] [2021-12-18 15:31:17,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[619970,619983] [2021-12-18 15:31:17,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[620140,620153] [2021-12-18 15:31:17,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i[620302,620315] [2021-12-18 15:31:17,521 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 15:31:17,767 INFO L208 MainTranslator]: Completed translation [2021-12-18 15:31:17,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:17 WrapperNode [2021-12-18 15:31:17,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 15:31:17,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 15:31:17,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 15:31:17,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 15:31:17,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:17" (1/1) ... [2021-12-18 15:31:17,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:17" (1/1) ... [2021-12-18 15:31:18,183 INFO L137 Inliner]: procedures = 905, calls = 4576, calls flagged for inlining = 443, calls inlined = 351, statements flattened = 9759 [2021-12-18 15:31:18,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 15:31:18,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 15:31:18,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 15:31:18,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 15:31:18,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:17" (1/1) ... [2021-12-18 15:31:18,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:17" (1/1) ... [2021-12-18 15:31:18,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:17" (1/1) ... [2021-12-18 15:31:18,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:17" (1/1) ... [2021-12-18 15:31:18,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:17" (1/1) ... [2021-12-18 15:31:18,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:17" (1/1) ... [2021-12-18 15:31:18,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:17" (1/1) ... [2021-12-18 15:31:18,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 15:31:18,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 15:31:18,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 15:31:18,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 15:31:18,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:17" (1/1) ... [2021-12-18 15:31:18,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 15:31:18,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:31:18,596 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) [2021-12-18 15:31:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-12-18 15:31:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-12-18 15:31:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure srp_send_tsk_mgmt [2021-12-18 15:31:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_send_tsk_mgmt [2021-12-18 15:31:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-18 15:31:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_weight [2021-12-18 15:31:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_weight [2021-12-18 15:31:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2021-12-18 15:31:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2021-12-18 15:31:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2021-12-18 15:31:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2021-12-18 15:31:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 15:31:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 15:31:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure srp_create_target [2021-12-18 15:31:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_create_target [2021-12-18 15:31:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 15:31:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 15:31:18,619 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 [2021-12-18 15:31:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-18 15:31:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-18 15:31:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 15:31:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 15:31:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure srp_unmap_data [2021-12-18 15:31:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_unmap_data [2021-12-18 15:31:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_completion_100 [2021-12-18 15:31:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_completion_100 [2021-12-18 15:31:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-18 15:31:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 15:31:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 15:31:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_cq [2021-12-18 15:31:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_cq [2021-12-18 15:31:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_address [2021-12-18 15:31:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_address [2021-12-18 15:31:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure show_allow_ext_sg [2021-12-18 15:31:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure show_allow_ext_sg [2021-12-18 15:31:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 15:31:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 15:31:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-18 15:31:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-18 15:31:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_110 [2021-12-18 15:31:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_110 [2021-12-18 15:31:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure srp_add_one [2021-12-18 15:31:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_add_one [2021-12-18 15:31:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 15:31:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 15:31:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure srp_disconnect_target [2021-12-18 15:31:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_disconnect_target [2021-12-18 15:31:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_105 [2021-12-18 15:31:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_105 [2021-12-18 15:31:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 15:31:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 15:31:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 15:31:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 15:31:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 15:31:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 15:31:18,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 15:31:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure match_strdup [2021-12-18 15:31:18,642 INFO L138 BoogieDeclarations]: Found implementation of procedure match_strdup [2021-12-18 15:31:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2021-12-18 15:31:18,642 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2021-12-18 15:31:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure srp_rport_reconnect [2021-12-18 15:31:18,642 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_rport_reconnect [2021-12-18 15:31:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_add_target_mutex_of_srp_host [2021-12-18 15:31:18,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_add_target_mutex_of_srp_host [2021-12-18 15:31:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure srp_release_transport [2021-12-18 15:31:18,643 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_release_transport [2021-12-18 15:31:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-12-18 15:31:18,643 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-12-18 15:31:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 15:31:18,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 15:31:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2021-12-18 15:31:18,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2021-12-18 15:31:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 15:31:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-18 15:31:18,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-18 15:31:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2021-12-18 15:31:18,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2021-12-18 15:31:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_unique_tag_to_tag [2021-12-18 15:31:18,644 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_unique_tag_to_tag [2021-12-18 15:31:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_qp [2021-12-18 15:31:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_qp [2021-12-18 15:31:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-18 15:31:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-18 15:31:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 15:31:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 15:31:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 15:31:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-18 15:31:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-18 15:31:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 15:31:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 15:31:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-18 15:31:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-18 15:31:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-12-18 15:31:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-12-18 15:31:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2021-12-18 15:31:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2021-12-18 15:31:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 15:31:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 15:31:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-18 15:31:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-18 15:31:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_cpu [2021-12-18 15:31:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_cpu [2021-12-18 15:31:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 15:31:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 15:31:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure show_ioc_guid [2021-12-18 15:31:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ioc_guid [2021-12-18 15:31:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_sched_completion_wait_for_completion_done_of_srp_rdma_ch [2021-12-18 15:31:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_sched_completion_wait_for_completion_done_of_srp_rdma_ch [2021-12-18 15:31:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-12-18 15:31:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-12-18 15:31:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure show_local_ib_device [2021-12-18 15:31:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure show_local_ib_device [2021-12-18 15:31:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 15:31:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 15:31:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 15:31:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 15:31:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure show_port [2021-12-18 15:31:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure show_port [2021-12-18 15:31:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 15:31:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure srp_claim_req [2021-12-18 15:31:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_claim_req [2021-12-18 15:31:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2021-12-18 15:31:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2021-12-18 15:31:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-18 15:31:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-18 15:31:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure srp_finish_req [2021-12-18 15:31:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_finish_req [2021-12-18 15:31:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure srp_abort [2021-12-18 15:31:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_abort [2021-12-18 15:31:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure srp_map_update_start [2021-12-18 15:31:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_map_update_start [2021-12-18 15:31:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure show_id_ext [2021-12-18 15:31:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure show_id_ext [2021-12-18 15:31:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 15:31:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 15:31:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-18 15:31:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-18 15:31:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-18 15:31:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-18 15:31:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 15:31:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 15:31:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 15:31:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 15:31:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 15:31:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 15:31:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 15:31:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-12-18 15:31:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-12-18 15:31:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_114 [2021-12-18 15:31:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_114 [2021-12-18 15:31:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 15:31:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_srp_fr_pool [2021-12-18 15:31:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_srp_fr_pool [2021-12-18 15:31:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure show_ch_count [2021-12-18 15:31:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ch_count [2021-12-18 15:31:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2021-12-18 15:31:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2021-12-18 15:31:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure host_to_target [2021-12-18 15:31:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure host_to_target [2021-12-18 15:31:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-18 15:31:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-18 15:31:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 15:31:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 15:31:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 15:31:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 15:31:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure match_int [2021-12-18 15:31:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure match_int [2021-12-18 15:31:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 15:31:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 15:31:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure srp_lookup_path [2021-12-18 15:31:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_lookup_path [2021-12-18 15:31:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 15:31:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 15:31:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 15:31:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 15:31:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 15:31:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 15:31:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure shost_use_blk_mq [2021-12-18 15:31:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_use_blk_mq [2021-12-18 15:31:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure ib_req_notify_cq [2021-12-18 15:31:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_req_notify_cq [2021-12-18 15:31:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-18 15:31:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-18 15:31:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure srp_create_ch_ib [2021-12-18 15:31:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_create_ch_ib [2021-12-18 15:31:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 15:31:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-18 15:31:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-18 15:31:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 15:31:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 15:31:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_len [2021-12-18 15:31:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_len [2021-12-18 15:31:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_unregister_class [2021-12-18 15:31:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_unregister_class [2021-12-18 15:31:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure srp_connect_ch [2021-12-18 15:31:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_connect_ch [2021-12-18 15:31:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_unique_tag_to_hwq [2021-12-18 15:31:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_unique_tag_to_hwq [2021-12-18 15:31:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host [2021-12-18 15:31:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host [2021-12-18 15:31:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure srp_destroy_fr_pool [2021-12-18 15:31:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_destroy_fr_pool [2021-12-18 15:31:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure srp_queue_remove_work [2021-12-18 15:31:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_queue_remove_work [2021-12-18 15:31:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure srp_finish_mapping [2021-12-18 15:31:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_finish_mapping [2021-12-18 15:31:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_mapping_error [2021-12-18 15:31:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_mapping_error [2021-12-18 15:31:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-18 15:31:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-18 15:31:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_109 [2021-12-18 15:31:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_109 [2021-12-18 15:31:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-12-18 15:31:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-12-18 15:31:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-12-18 15:31:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-12-18 15:31:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 15:31:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 15:31:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure srp_slave_configure [2021-12-18 15:31:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_slave_configure [2021-12-18 15:31:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 15:31:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 15:31:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 15:31:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 15:31:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure srp_change_conn_state [2021-12-18 15:31:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_change_conn_state [2021-12-18 15:31:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure srp_rport_delete [2021-12-18 15:31:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_rport_delete [2021-12-18 15:31:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-18 15:31:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-18 15:31:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 15:31:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 15:31:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_recv [2021-12-18 15:31:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_recv [2021-12-18 15:31:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_device [2021-12-18 15:31:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_device [2021-12-18 15:31:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 15:31:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 15:31:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure show_local_ib_port [2021-12-18 15:31:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure show_local_ib_port [2021-12-18 15:31:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure srp_free_req_data [2021-12-18 15:31:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_free_req_data [2021-12-18 15:31:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_unmap_single [2021-12-18 15:31:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_unmap_single [2021-12-18 15:31:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure srp_target_is_topspin [2021-12-18 15:31:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_target_is_topspin [2021-12-18 15:31:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 15:31:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 15:31:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 15:31:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 15:31:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-18 15:31:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-18 15:31:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 15:31:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2021-12-18 15:31:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2021-12-18 15:31:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 15:31:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 15:31:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure srp_put_tx_iu [2021-12-18 15:31:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_put_tx_iu [2021-12-18 15:31:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_map_single [2021-12-18 15:31:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_map_single [2021-12-18 15:31:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure srp_map_desc [2021-12-18 15:31:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_map_desc [2021-12-18 15:31:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 15:31:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure show_sgid [2021-12-18 15:31:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sgid [2021-12-18 15:31:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure srp_tmo_valid [2021-12-18 15:31:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_tmo_valid [2021-12-18 15:31:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 15:31:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 15:31:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure srp_destroy_qp [2021-12-18 15:31:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_destroy_qp [2021-12-18 15:31:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 15:31:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-18 15:31:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-18 15:31:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure srp_change_queue_depth [2021-12-18 15:31:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_change_queue_depth [2021-12-18 15:31:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure show_comp_vector [2021-12-18 15:31:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure show_comp_vector [2021-12-18 15:31:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_srp_rport [2021-12-18 15:31:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_srp_rport [2021-12-18 15:31:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 15:31:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 15:31:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-18 15:31:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-18 15:31:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 15:31:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 15:31:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 15:31:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 15:31:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure num_node_state [2021-12-18 15:31:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure num_node_state [2021-12-18 15:31:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 15:31:18,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 15:31:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure match_hex [2021-12-18 15:31:18,667 INFO L138 BoogieDeclarations]: Found implementation of procedure match_hex [2021-12-18 15:31:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 15:31:18,667 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 15:31:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 15:31:18,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 15:31:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure show_zero_req_lim [2021-12-18 15:31:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure show_zero_req_lim [2021-12-18 15:31:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure show_service_id [2021-12-18 15:31:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure show_service_id [2021-12-18 15:31:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure show_pkey [2021-12-18 15:31:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pkey [2021-12-18 15:31:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-18 15:31:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-18 15:31:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_srp_rdma_ch [2021-12-18 15:31:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_srp_rdma_ch [2021-12-18 15:31:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2021-12-18 15:31:18,669 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2021-12-18 15:31:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure srp_terminate_io [2021-12-18 15:31:18,669 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_terminate_io [2021-12-18 15:31:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 15:31:18,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 15:31:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 15:31:18,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 15:31:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure srp_new_cm_id [2021-12-18 15:31:18,669 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_new_cm_id [2021-12-18 15:31:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 15:31:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 15:31:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure srp_reset_device [2021-12-18 15:31:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_reset_device [2021-12-18 15:31:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 15:31:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 15:31:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-18 15:31:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-18 15:31:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure show_tl_retry_count [2021-12-18 15:31:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure show_tl_retry_count [2021-12-18 15:31:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure show_cmd_sg_entries [2021-12-18 15:31:18,671 INFO L138 BoogieDeclarations]: Found implementation of procedure show_cmd_sg_entries [2021-12-18 15:31:18,671 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cm_id [2021-12-18 15:31:18,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cm_id [2021-12-18 15:31:18,671 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-18 15:31:18,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-18 15:31:18,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 15:31:18,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 15:31:18,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 15:31:18,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 15:31:18,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 15:31:18,672 INFO L130 BoogieDeclarations]: Found specification of procedure srp_remove_one [2021-12-18 15:31:18,672 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_remove_one [2021-12-18 15:31:18,672 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send [2021-12-18 15:31:18,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send [2021-12-18 15:31:18,672 INFO L130 BoogieDeclarations]: Found specification of procedure srp_reset_host [2021-12-18 15:31:18,672 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_reset_host [2021-12-18 15:31:18,672 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_fmr_pool [2021-12-18 15:31:18,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_fmr_pool [2021-12-18 15:31:18,672 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-18 15:31:18,673 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-18 15:31:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_find_bit_find_next_bit [2021-12-18 15:31:18,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_find_bit_find_next_bit [2021-12-18 15:31:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2021-12-18 15:31:18,673 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2021-12-18 15:31:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2021-12-18 15:31:18,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2021-12-18 15:31:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure srp_post_send [2021-12-18 15:31:18,673 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_post_send [2021-12-18 15:31:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-18 15:31:18,674 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-18 15:31:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure show_orig_dgid [2021-12-18 15:31:18,674 INFO L138 BoogieDeclarations]: Found implementation of procedure show_orig_dgid [2021-12-18 15:31:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_unregister_class [2021-12-18 15:31:18,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_unregister_class [2021-12-18 15:31:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure srp_free_iu [2021-12-18 15:31:18,674 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_free_iu [2021-12-18 15:31:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure show_dgid [2021-12-18 15:31:18,674 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dgid [2021-12-18 15:31:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-18 15:31:18,674 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-18 15:31:18,675 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2021-12-18 15:31:18,675 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2021-12-18 15:31:18,675 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sa_unregister_client [2021-12-18 15:31:18,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sa_unregister_client [2021-12-18 15:31:18,675 INFO L130 BoogieDeclarations]: Found specification of procedure __srp_get_tx_iu [2021-12-18 15:31:18,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __srp_get_tx_iu [2021-12-18 15:31:18,675 INFO L130 BoogieDeclarations]: Found specification of procedure srp_free_req [2021-12-18 15:31:18,675 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_free_req [2021-12-18 15:31:18,675 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_unique_tag [2021-12-18 15:31:18,676 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_unique_tag [2021-12-18 15:31:18,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 15:31:18,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-18 15:31:18,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-18 15:31:18,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2021-12-18 15:31:18,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2021-12-18 15:31:18,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_srp_rdma_ch [2021-12-18 15:31:18,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_srp_rdma_ch [2021-12-18 15:31:18,676 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 15:31:18,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 15:31:18,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 15:31:18,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 15:31:18,677 INFO L130 BoogieDeclarations]: Found specification of procedure ib_poll_cq [2021-12-18 15:31:18,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_poll_cq [2021-12-18 15:31:18,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 15:31:18,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 15:31:18,677 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-18 15:31:18,677 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-18 15:31:18,677 INFO L130 BoogieDeclarations]: Found specification of procedure srp_free_ch_ib [2021-12-18 15:31:18,677 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_free_ch_ib [2021-12-18 15:31:18,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_104 [2021-12-18 15:31:18,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_104 [2021-12-18 15:31:18,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-18 15:31:18,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-18 15:31:18,678 INFO L130 BoogieDeclarations]: Found specification of procedure show_req_lim [2021-12-18 15:31:18,678 INFO L138 BoogieDeclarations]: Found implementation of procedure show_req_lim [2021-12-18 15:31:18,678 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 15:31:18,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 15:31:18,678 INFO L130 BoogieDeclarations]: Found specification of procedure srp_handle_qp_err [2021-12-18 15:31:18,678 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_handle_qp_err [2021-12-18 15:31:18,678 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2021-12-18 15:31:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2021-12-18 15:31:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_srp_rport [2021-12-18 15:31:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_srp_rport [2021-12-18 15:31:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 15:31:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 15:31:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 15:31:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 15:31:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 15:31:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 15:31:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 15:31:18,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 15:31:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-12-18 15:31:18,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-12-18 15:31:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-18 15:31:18,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-18 15:31:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-18 15:31:18,680 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-18 15:31:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 15:31:18,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 15:31:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 15:31:18,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 15:31:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoull [2021-12-18 15:31:18,681 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoull [2021-12-18 15:31:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 15:31:18,681 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 15:31:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 15:31:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2021-12-18 15:31:18,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2021-12-18 15:31:19,854 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 15:31:19,857 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 15:31:20,020 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 15:31:37,055 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 15:31:37,083 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 15:31:37,083 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-18 15:31:37,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:31:37 BoogieIcfgContainer [2021-12-18 15:31:37,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 15:31:37,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 15:31:37,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 15:31:37,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 15:31:37,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 03:31:11" (1/3) ... [2021-12-18 15:31:37,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e4d129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:31:37, skipping insertion in model container [2021-12-18 15:31:37,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:31:17" (2/3) ... [2021-12-18 15:31:37,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e4d129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:31:37, skipping insertion in model container [2021-12-18 15:31:37,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:31:37" (3/3) ... [2021-12-18 15:31:37,093 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--infiniband--ulp--srp--ib_srp.ko.cil.i [2021-12-18 15:31:37,096 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 15:31:37,096 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2021-12-18 15:31:37,144 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 15:31:37,149 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 [2021-12-18 15:31:37,150 INFO L340 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2021-12-18 15:31:37,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 3522 states, 2335 states have (on average 1.2745182012847966) internal successors, (2976), 2462 states have internal predecessors, (2976), 943 states have call successors, (943), 209 states have call predecessors, (943), 208 states have return successors, (935), 926 states have call predecessors, (935), 935 states have call successors, (935) [2021-12-18 15:31:37,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-18 15:31:37,209 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:31:37,210 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:31:37,210 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-12-18 15:31:37,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:31:37,214 INFO L85 PathProgramCache]: Analyzing trace with hash -334853950, now seen corresponding path program 1 times [2021-12-18 15:31:37,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:31:37,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786574324] [2021-12-18 15:31:37,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:31:37,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:31:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:37,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:31:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:37,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:31:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:37,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:37,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:31:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:37,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:37,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:31:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:37,947 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-18 15:31:37,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:31:37,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786574324] [2021-12-18 15:31:37,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786574324] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:31:37,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:31:37,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:31:37,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188872067] [2021-12-18 15:31:37,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:31:37,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:31:37,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:31:37,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:31:37,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:31:37,984 INFO L87 Difference]: Start difference. First operand has 3522 states, 2335 states have (on average 1.2745182012847966) internal successors, (2976), 2462 states have internal predecessors, (2976), 943 states have call successors, (943), 209 states have call predecessors, (943), 208 states have return successors, (935), 926 states have call predecessors, (935), 935 states have call successors, (935) Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-18 15:31:47,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:00,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:10,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:32:10,710 INFO L93 Difference]: Finished difference Result 11149 states and 16094 transitions. [2021-12-18 15:32:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:32:10,713 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 50 [2021-12-18 15:32:10,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:32:10,777 INFO L225 Difference]: With dead ends: 11149 [2021-12-18 15:32:10,778 INFO L226 Difference]: Without dead ends: 7628 [2021-12-18 15:32:10,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:32:10,810 INFO L933 BasicCegarLoop]: 5496 mSDtfsCounter, 6659 mSDsluCounter, 15474 mSDsCounter, 0 mSdLazyCounter, 5797 mSolverCounterSat, 2842 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7413 SdHoareTripleChecker+Valid, 20970 SdHoareTripleChecker+Invalid, 8640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2842 IncrementalHoareTripleChecker+Valid, 5797 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:32:10,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7413 Valid, 20970 Invalid, 8640 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2842 Valid, 5797 Invalid, 1 Unknown, 0 Unchecked, 31.5s Time] [2021-12-18 15:32:10,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7628 states. [2021-12-18 15:32:11,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7628 to 6779. [2021-12-18 15:32:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6779 states, 4523 states have (on average 1.2518240106124254) internal successors, (5662), 4726 states have internal predecessors, (5662), 1815 states have call successors, (1815), 408 states have call predecessors, (1815), 407 states have return successors, (1813), 1794 states have call predecessors, (1813), 1813 states have call successors, (1813) [2021-12-18 15:32:11,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6779 states to 6779 states and 9290 transitions. [2021-12-18 15:32:11,144 INFO L78 Accepts]: Start accepts. Automaton has 6779 states and 9290 transitions. Word has length 50 [2021-12-18 15:32:11,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:32:11,146 INFO L470 AbstractCegarLoop]: Abstraction has 6779 states and 9290 transitions. [2021-12-18 15:32:11,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-18 15:32:11,146 INFO L276 IsEmpty]: Start isEmpty. Operand 6779 states and 9290 transitions. [2021-12-18 15:32:11,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-18 15:32:11,152 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:32:11,152 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] [2021-12-18 15:32:11,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 15:32:11,153 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-12-18 15:32:11,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:32:11,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1932544432, now seen corresponding path program 1 times [2021-12-18 15:32:11,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:32:11,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406291839] [2021-12-18 15:32:11,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:32:11,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:32:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:11,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:32:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:11,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 15:32:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:11,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 15:32:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:11,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:32:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:11,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:11,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 15:32:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:11,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:32:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:11,596 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-18 15:32:11,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:32:11,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406291839] [2021-12-18 15:32:11,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406291839] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:32:11,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:32:11,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:32:11,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648563895] [2021-12-18 15:32:11,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:32:11,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:32:11,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:32:11,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:32:11,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:32:11,599 INFO L87 Difference]: Start difference. First operand 6779 states and 9290 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2021-12-18 15:32:17,956 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:26,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:34,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:32:34,625 INFO L93 Difference]: Finished difference Result 6951 states and 9582 transitions. [2021-12-18 15:32:34,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:32:34,632 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 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 57 [2021-12-18 15:32:34,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:32:34,664 INFO L225 Difference]: With dead ends: 6951 [2021-12-18 15:32:34,664 INFO L226 Difference]: Without dead ends: 6949 [2021-12-18 15:32:34,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:32:34,671 INFO L933 BasicCegarLoop]: 4255 mSDtfsCounter, 7417 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 3539 mSolverCounterSat, 4097 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7828 SdHoareTripleChecker+Valid, 8822 SdHoareTripleChecker+Invalid, 7638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4097 IncrementalHoareTripleChecker+Valid, 3539 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:32:34,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7828 Valid, 8822 Invalid, 7638 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4097 Valid, 3539 Invalid, 2 Unknown, 0 Unchecked, 22.3s Time] [2021-12-18 15:32:34,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6949 states. [2021-12-18 15:32:34,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6949 to 6777. [2021-12-18 15:32:34,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6777 states, 4522 states have (on average 1.2514374170720919) internal successors, (5659), 4724 states have internal predecessors, (5659), 1815 states have call successors, (1815), 408 states have call predecessors, (1815), 407 states have return successors, (1813), 1794 states have call predecessors, (1813), 1813 states have call successors, (1813) [2021-12-18 15:32:34,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6777 states to 6777 states and 9287 transitions. [2021-12-18 15:32:34,892 INFO L78 Accepts]: Start accepts. Automaton has 6777 states and 9287 transitions. Word has length 57 [2021-12-18 15:32:34,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:32:34,892 INFO L470 AbstractCegarLoop]: Abstraction has 6777 states and 9287 transitions. [2021-12-18 15:32:34,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2021-12-18 15:32:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 6777 states and 9287 transitions. [2021-12-18 15:32:34,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-12-18 15:32:34,897 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:32:34,897 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:32:34,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 15:32:34,898 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-12-18 15:32:34,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:32:34,898 INFO L85 PathProgramCache]: Analyzing trace with hash 805255867, now seen corresponding path program 1 times [2021-12-18 15:32:34,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:32:34,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036673675] [2021-12-18 15:32:34,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:32:34,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:32:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:35,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:32:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:35,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:32:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:35,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:35,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:32:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:35,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:35,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:32:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:35,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:32:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:35,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:35,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:32:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-18 15:32:35,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:32:35,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036673675] [2021-12-18 15:32:35,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036673675] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:32:35,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:32:35,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:32:35,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481041234] [2021-12-18 15:32:35,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:32:35,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:32:35,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:32:35,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:32:35,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:32:35,356 INFO L87 Difference]: Start difference. First operand 6777 states and 9287 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 15:32:41,731 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:43,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:44,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:53,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:59,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:32:59,399 INFO L93 Difference]: Finished difference Result 7725 states and 10795 transitions. [2021-12-18 15:32:59,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:32:59,399 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 3 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 69 [2021-12-18 15:32:59,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:32:59,437 INFO L225 Difference]: With dead ends: 7725 [2021-12-18 15:32:59,437 INFO L226 Difference]: Without dead ends: 7723 [2021-12-18 15:32:59,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:32:59,442 INFO L933 BasicCegarLoop]: 4676 mSDtfsCounter, 5506 mSDsluCounter, 9920 mSDsCounter, 0 mSdLazyCounter, 3540 mSolverCounterSat, 1875 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6077 SdHoareTripleChecker+Valid, 14596 SdHoareTripleChecker+Invalid, 5416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1875 IncrementalHoareTripleChecker+Valid, 3540 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:32:59,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6077 Valid, 14596 Invalid, 5416 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1875 Valid, 3540 Invalid, 1 Unknown, 0 Unchecked, 23.4s Time] [2021-12-18 15:32:59,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7723 states. [2021-12-18 15:32:59,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7723 to 6969. [2021-12-18 15:32:59,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6969 states, 4646 states have (on average 1.2488161859664226) internal successors, (5802), 4847 states have internal predecessors, (5802), 1854 states have call successors, (1854), 438 states have call predecessors, (1854), 437 states have return successors, (1852), 1833 states have call predecessors, (1852), 1852 states have call successors, (1852) [2021-12-18 15:32:59,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6969 states to 6969 states and 9508 transitions. [2021-12-18 15:32:59,699 INFO L78 Accepts]: Start accepts. Automaton has 6969 states and 9508 transitions. Word has length 69 [2021-12-18 15:32:59,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:32:59,699 INFO L470 AbstractCegarLoop]: Abstraction has 6969 states and 9508 transitions. [2021-12-18 15:32:59,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 15:32:59,700 INFO L276 IsEmpty]: Start isEmpty. Operand 6969 states and 9508 transitions. [2021-12-18 15:32:59,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-18 15:32:59,700 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:32:59,700 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] [2021-12-18 15:32:59,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 15:32:59,701 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-12-18 15:32:59,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:32:59,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1568195873, now seen corresponding path program 1 times [2021-12-18 15:32:59,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:32:59,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255925646] [2021-12-18 15:32:59,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:32:59,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:32:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:59,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:32:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:59,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 15:32:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:00,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 15:33:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:00,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:33:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:00,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:00,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 15:33:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:33:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:00,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:33:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:00,103 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-18 15:33:00,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:33:00,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255925646] [2021-12-18 15:33:00,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255925646] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:33:00,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:33:00,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:33:00,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296977468] [2021-12-18 15:33:00,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:33:00,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:33:00,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:33:00,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:33:00,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:33:00,107 INFO L87 Difference]: Start difference. First operand 6969 states and 9508 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 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) [2021-12-18 15:33:06,381 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:15,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:24,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:33:24,242 INFO L93 Difference]: Finished difference Result 7141 states and 9800 transitions. [2021-12-18 15:33:24,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:33:24,243 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 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 63 [2021-12-18 15:33:24,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:33:24,274 INFO L225 Difference]: With dead ends: 7141 [2021-12-18 15:33:24,274 INFO L226 Difference]: Without dead ends: 7139 [2021-12-18 15:33:24,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:33:24,278 INFO L933 BasicCegarLoop]: 4248 mSDtfsCounter, 7405 mSDsluCounter, 4558 mSDsCounter, 0 mSdLazyCounter, 3535 mSolverCounterSat, 4097 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7818 SdHoareTripleChecker+Valid, 8806 SdHoareTripleChecker+Invalid, 7634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4097 IncrementalHoareTripleChecker+Valid, 3535 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:33:24,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7818 Valid, 8806 Invalid, 7634 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4097 Valid, 3535 Invalid, 2 Unknown, 0 Unchecked, 23.4s Time] [2021-12-18 15:33:24,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7139 states. [2021-12-18 15:33:24,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7139 to 6967. [2021-12-18 15:33:24,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6967 states, 4645 states have (on average 1.2484391819160388) internal successors, (5799), 4845 states have internal predecessors, (5799), 1854 states have call successors, (1854), 438 states have call predecessors, (1854), 437 states have return successors, (1852), 1833 states have call predecessors, (1852), 1852 states have call successors, (1852) [2021-12-18 15:33:24,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6967 states to 6967 states and 9505 transitions. [2021-12-18 15:33:24,507 INFO L78 Accepts]: Start accepts. Automaton has 6967 states and 9505 transitions. Word has length 63 [2021-12-18 15:33:24,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:33:24,508 INFO L470 AbstractCegarLoop]: Abstraction has 6967 states and 9505 transitions. [2021-12-18 15:33:24,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 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) [2021-12-18 15:33:24,509 INFO L276 IsEmpty]: Start isEmpty. Operand 6967 states and 9505 transitions. [2021-12-18 15:33:24,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-12-18 15:33:24,510 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:33:24,510 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] [2021-12-18 15:33:24,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 15:33:24,510 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-12-18 15:33:24,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:33:24,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1142400584, now seen corresponding path program 1 times [2021-12-18 15:33:24,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:33:24,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740400452] [2021-12-18 15:33:24,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:33:24,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:33:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:24,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:33:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:24,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 15:33:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:24,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 15:33:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:24,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:33:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:24,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:24,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 15:33:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:24,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:33:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:24,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:33:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:33:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:24,934 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-18 15:33:24,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:33:24,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740400452] [2021-12-18 15:33:24,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740400452] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:33:24,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:33:24,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:33:24,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044313135] [2021-12-18 15:33:24,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:33:24,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:33:24,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:33:24,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:33:24,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:33:24,936 INFO L87 Difference]: Start difference. First operand 6967 states and 9505 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-12-18 15:33:31,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:41,095 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:49,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:33:49,892 INFO L93 Difference]: Finished difference Result 7139 states and 9797 transitions. [2021-12-18 15:33:49,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:33:49,892 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 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 69 [2021-12-18 15:33:49,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:33:49,915 INFO L225 Difference]: With dead ends: 7139 [2021-12-18 15:33:49,916 INFO L226 Difference]: Without dead ends: 7137 [2021-12-18 15:33:49,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:33:49,921 INFO L933 BasicCegarLoop]: 4248 mSDtfsCounter, 7399 mSDsluCounter, 4564 mSDsCounter, 0 mSdLazyCounter, 3533 mSolverCounterSat, 4097 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7809 SdHoareTripleChecker+Valid, 8812 SdHoareTripleChecker+Invalid, 7632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4097 IncrementalHoareTripleChecker+Valid, 3533 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:33:49,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7809 Valid, 8812 Invalid, 7632 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4097 Valid, 3533 Invalid, 2 Unknown, 0 Unchecked, 24.2s Time] [2021-12-18 15:33:49,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7137 states. [2021-12-18 15:33:50,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7137 to 6965. [2021-12-18 15:33:50,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6965 states, 4644 states have (on average 1.248062015503876) internal successors, (5796), 4843 states have internal predecessors, (5796), 1854 states have call successors, (1854), 438 states have call predecessors, (1854), 437 states have return successors, (1852), 1833 states have call predecessors, (1852), 1852 states have call successors, (1852) [2021-12-18 15:33:50,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6965 states to 6965 states and 9502 transitions. [2021-12-18 15:33:50,161 INFO L78 Accepts]: Start accepts. Automaton has 6965 states and 9502 transitions. Word has length 69 [2021-12-18 15:33:50,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:33:50,162 INFO L470 AbstractCegarLoop]: Abstraction has 6965 states and 9502 transitions. [2021-12-18 15:33:50,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-12-18 15:33:50,162 INFO L276 IsEmpty]: Start isEmpty. Operand 6965 states and 9502 transitions. [2021-12-18 15:33:50,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-12-18 15:33:50,163 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:33:50,163 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:33:50,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 15:33:50,163 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_unregister_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-12-18 15:33:50,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:33:50,164 INFO L85 PathProgramCache]: Analyzing trace with hash -130413960, now seen corresponding path program 1 times [2021-12-18 15:33:50,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:33:50,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522788605] [2021-12-18 15:33:50,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:33:50,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:33:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:50,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:33:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:50,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 15:33:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:50,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 15:33:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:50,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:33:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:50,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:50,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 15:33:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:50,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:33:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:50,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:33:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:50,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:33:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:50,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:33:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:50,515 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:33:50,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:33:50,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522788605] [2021-12-18 15:33:50,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522788605] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:33:50,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:33:50,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 15:33:50,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059344332] [2021-12-18 15:33:50,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:33:50,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 15:33:50,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:33:50,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 15:33:50,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 15:33:50,517 INFO L87 Difference]: Start difference. First operand 6965 states and 9502 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-12-18 15:33:58,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:01,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:12,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:27,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:34:27,218 INFO L93 Difference]: Finished difference Result 21218 states and 29058 transitions. [2021-12-18 15:34:27,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 15:34:27,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 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 73 [2021-12-18 15:34:27,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:34:27,281 INFO L225 Difference]: With dead ends: 21218 [2021-12-18 15:34:27,281 INFO L226 Difference]: Without dead ends: 14264 [2021-12-18 15:34:27,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:34:27,316 INFO L933 BasicCegarLoop]: 7127 mSDtfsCounter, 8809 mSDsluCounter, 5670 mSDsCounter, 0 mSdLazyCounter, 4943 mSolverCounterSat, 5906 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9226 SdHoareTripleChecker+Valid, 12797 SdHoareTripleChecker+Invalid, 10852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5906 IncrementalHoareTripleChecker+Valid, 4943 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:34:27,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9226 Valid, 12797 Invalid, 10852 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5906 Valid, 4943 Invalid, 3 Unknown, 0 Unchecked, 35.5s Time] [2021-12-18 15:34:27,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14264 states. [2021-12-18 15:34:27,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14264 to 13601. [2021-12-18 15:34:27,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13601 states, 9087 states have (on average 1.2492571805876527) internal successors, (11352), 9457 states have internal predecessors, (11352), 3648 states have call successors, (3648), 837 states have call predecessors, (3648), 836 states have return successors, (3646), 3606 states have call predecessors, (3646), 3646 states have call successors, (3646) [2021-12-18 15:34:27,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13601 states to 13601 states and 18646 transitions. [2021-12-18 15:34:27,922 INFO L78 Accepts]: Start accepts. Automaton has 13601 states and 18646 transitions. Word has length 73 [2021-12-18 15:34:27,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:34:27,922 INFO L470 AbstractCegarLoop]: Abstraction has 13601 states and 18646 transitions. [2021-12-18 15:34:27,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-12-18 15:34:27,923 INFO L276 IsEmpty]: Start isEmpty. Operand 13601 states and 18646 transitions. [2021-12-18 15:34:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-12-18 15:34:27,924 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:34:27,924 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:34:27,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 15:34:27,925 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_drivers_base_class_unregister_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-12-18 15:34:27,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:34:27,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1831160698, now seen corresponding path program 1 times [2021-12-18 15:34:27,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:34:27,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308093636] [2021-12-18 15:34:27,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:34:27,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:34:28,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:28,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:34:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:28,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 15:34:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:28,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 15:34:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:28,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:34:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:29,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:34:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:29,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 15:34:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:29,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:34:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:29,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:34:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:29,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:34:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:29,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:34:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:29,737 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-18 15:34:29,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:34:29,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308093636] [2021-12-18 15:34:29,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308093636] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:34:29,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:34:29,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-18 15:34:29,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909819297] [2021-12-18 15:34:29,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:34:29,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-18 15:34:29,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:34:29,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-18 15:34:29,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2021-12-18 15:34:29,740 INFO L87 Difference]: Start difference. First operand 13601 states and 18646 transitions. Second operand has 17 states, 16 states have (on average 2.9375) internal successors, (47), 14 states have internal predecessors, (47), 6 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2021-12-18 15:35:08,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:10,453 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:12,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:14,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:16,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:18,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:20,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:22,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:24,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:26,675 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:28,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:30,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:32,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:44,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:48,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:51,005 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:52,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:36:45,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:36:47,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:36:49,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:36:52,218 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:36:54,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:36:56,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:36:58,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:37:01,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:37:03,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:37:05,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:37:07,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:37:09,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:37:12,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:38:02,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:38:02,342 INFO L93 Difference]: Finished difference Result 20997 states and 28834 transitions. [2021-12-18 15:38:02,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-18 15:38:02,342 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.9375) internal successors, (47), 14 states have internal predecessors, (47), 6 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 73 [2021-12-18 15:38:02,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:38:02,385 INFO L225 Difference]: With dead ends: 20997 [2021-12-18 15:38:02,385 INFO L226 Difference]: Without dead ends: 14004 [2021-12-18 15:38:02,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=141, Invalid=729, Unknown=0, NotChecked=0, Total=870 [2021-12-18 15:38:02,410 INFO L933 BasicCegarLoop]: 4256 mSDtfsCounter, 4086 mSDsluCounter, 36241 mSDsCounter, 0 mSdLazyCounter, 29572 mSolverCounterSat, 3265 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 201.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4112 SdHoareTripleChecker+Valid, 40497 SdHoareTripleChecker+Invalid, 32863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 3265 IncrementalHoareTripleChecker+Valid, 29572 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 209.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:38:02,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4112 Valid, 40497 Invalid, 32863 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [3265 Valid, 29572 Invalid, 26 Unknown, 0 Unchecked, 209.4s Time] [2021-12-18 15:38:02,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14004 states. [2021-12-18 15:38:02,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14004 to 13629. [2021-12-18 15:38:02,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13629 states, 9105 states have (on average 1.2487644151565074) internal successors, (11370), 9475 states have internal predecessors, (11370), 3658 states have call successors, (3658), 837 states have call predecessors, (3658), 836 states have return successors, (3656), 3616 states have call predecessors, (3656), 3656 states have call successors, (3656) [2021-12-18 15:38:02,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13629 states to 13629 states and 18684 transitions. [2021-12-18 15:38:02,879 INFO L78 Accepts]: Start accepts. Automaton has 13629 states and 18684 transitions. Word has length 73 [2021-12-18 15:38:02,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:38:02,880 INFO L470 AbstractCegarLoop]: Abstraction has 13629 states and 18684 transitions. [2021-12-18 15:38:02,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.9375) internal successors, (47), 14 states have internal predecessors, (47), 6 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2021-12-18 15:38:02,880 INFO L276 IsEmpty]: Start isEmpty. Operand 13629 states and 18684 transitions. [2021-12-18 15:38:02,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-12-18 15:38:02,881 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:38:02,881 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] [2021-12-18 15:38:02,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 15:38:02,881 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-12-18 15:38:02,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:38:02,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1990328259, now seen corresponding path program 1 times [2021-12-18 15:38:02,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:38:02,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798422660] [2021-12-18 15:38:02,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:38:02,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:38:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:03,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:38:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:03,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 15:38:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:03,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 15:38:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:03,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:38:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:03,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:38:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:03,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 15:38:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:03,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:38:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:03,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:38:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:03,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:38:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:03,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:38:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:03,318 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-18 15:38:03,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:38:03,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798422660] [2021-12-18 15:38:03,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798422660] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:38:03,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:38:03,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:38:03,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341413377] [2021-12-18 15:38:03,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:38:03,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:38:03,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:38:03,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:38:03,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:38:03,320 INFO L87 Difference]: Start difference. First operand 13629 states and 18684 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2021-12-18 15:38:09,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:38:21,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:38:30,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:38:30,648 INFO L93 Difference]: Finished difference Result 13973 states and 19268 transitions. [2021-12-18 15:38:30,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:38:30,648 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 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 75 [2021-12-18 15:38:30,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:38:30,695 INFO L225 Difference]: With dead ends: 13973 [2021-12-18 15:38:30,695 INFO L226 Difference]: Without dead ends: 13971 [2021-12-18 15:38:30,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:38:30,708 INFO L933 BasicCegarLoop]: 4246 mSDtfsCounter, 7393 mSDsluCounter, 4564 mSDsCounter, 0 mSdLazyCounter, 3531 mSolverCounterSat, 4097 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7802 SdHoareTripleChecker+Valid, 8810 SdHoareTripleChecker+Invalid, 7630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4097 IncrementalHoareTripleChecker+Valid, 3531 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:38:30,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7802 Valid, 8810 Invalid, 7630 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4097 Valid, 3531 Invalid, 2 Unknown, 0 Unchecked, 26.4s Time] [2021-12-18 15:38:30,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13971 states. [2021-12-18 15:38:31,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13971 to 13627. [2021-12-18 15:38:31,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13627 states, 9104 states have (on average 1.248572056239016) internal successors, (11367), 9473 states have internal predecessors, (11367), 3658 states have call successors, (3658), 837 states have call predecessors, (3658), 836 states have return successors, (3656), 3616 states have call predecessors, (3656), 3656 states have call successors, (3656) [2021-12-18 15:38:31,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13627 states to 13627 states and 18681 transitions. [2021-12-18 15:38:31,279 INFO L78 Accepts]: Start accepts. Automaton has 13627 states and 18681 transitions. Word has length 75 [2021-12-18 15:38:31,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:38:31,279 INFO L470 AbstractCegarLoop]: Abstraction has 13627 states and 18681 transitions. [2021-12-18 15:38:31,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2021-12-18 15:38:31,279 INFO L276 IsEmpty]: Start isEmpty. Operand 13627 states and 18681 transitions. [2021-12-18 15:38:31,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-18 15:38:31,282 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:38:31,282 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] [2021-12-18 15:38:31,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 15:38:31,282 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-12-18 15:38:31,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:38:31,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1557907716, now seen corresponding path program 1 times [2021-12-18 15:38:31,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:38:31,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755388681] [2021-12-18 15:38:31,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:38:31,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:38:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:31,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:38:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:31,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 15:38:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:31,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 15:38:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:31,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:38:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:31,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:38:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:31,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 15:38:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:31,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:38:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:31,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:38:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:31,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:38:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:31,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:38:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:31,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:38:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:38:31,716 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-18 15:38:31,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:38:31,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755388681] [2021-12-18 15:38:31,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755388681] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:38:31,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:38:31,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:38:31,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361437716] [2021-12-18 15:38:31,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:38:31,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:38:31,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:38:31,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:38:31,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:38:31,719 INFO L87 Difference]: Start difference. First operand 13627 states and 18681 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 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) [2021-12-18 15:38:42,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:38:44,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:38:49,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:38:50,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:39:01,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:39:14,202 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:39:16,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:39:23,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:39:43,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:39:43,096 INFO L93 Difference]: Finished difference Result 14584 states and 19978 transitions. [2021-12-18 15:39:43,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 15:39:43,096 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 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 81 [2021-12-18 15:39:43,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:39:43,139 INFO L225 Difference]: With dead ends: 14584 [2021-12-18 15:39:43,139 INFO L226 Difference]: Without dead ends: 14582 [2021-12-18 15:39:43,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:39:43,148 INFO L933 BasicCegarLoop]: 8090 mSDtfsCounter, 7855 mSDsluCounter, 11440 mSDsCounter, 0 mSdLazyCounter, 8886 mSolverCounterSat, 5294 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8261 SdHoareTripleChecker+Valid, 19530 SdHoareTripleChecker+Invalid, 14186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5294 IncrementalHoareTripleChecker+Valid, 8886 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.9s IncrementalHoareTripleChecker+Time [2021-12-18 15:39:43,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8261 Valid, 19530 Invalid, 14186 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5294 Valid, 8886 Invalid, 6 Unknown, 0 Unchecked, 69.9s Time] [2021-12-18 15:39:43,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14582 states. [2021-12-18 15:39:43,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14582 to 14127. [2021-12-18 15:39:43,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14127 states, 9422 states have (on average 1.2468690299299512) internal successors, (11748), 9793 states have internal predecessors, (11748), 3776 states have call successors, (3776), 901 states have call predecessors, (3776), 900 states have return successors, (3774), 3734 states have call predecessors, (3774), 3774 states have call successors, (3774) [2021-12-18 15:39:43,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14127 states to 14127 states and 19298 transitions. [2021-12-18 15:39:43,721 INFO L78 Accepts]: Start accepts. Automaton has 14127 states and 19298 transitions. Word has length 81 [2021-12-18 15:39:43,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:39:43,722 INFO L470 AbstractCegarLoop]: Abstraction has 14127 states and 19298 transitions. [2021-12-18 15:39:43,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 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) [2021-12-18 15:39:43,722 INFO L276 IsEmpty]: Start isEmpty. Operand 14127 states and 19298 transitions. [2021-12-18 15:39:43,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-18 15:39:43,723 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:39:43,723 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:39:43,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 15:39:43,723 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_drivers_base_class_unregister_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-12-18 15:39:43,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:39:43,724 INFO L85 PathProgramCache]: Analyzing trace with hash -2027234907, now seen corresponding path program 1 times [2021-12-18 15:39:43,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:39:43,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754665738] [2021-12-18 15:39:43,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:39:43,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:39:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:39:44,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:39:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:39:44,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:39:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:39:44,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:39:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:39:44,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:39:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:39:44,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:39:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:39:44,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:39:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:39:44,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:39:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:39:44,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:39:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:39:44,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:39:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:39:44,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 15:39:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:39:44,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:39:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:39:44,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:39:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:39:44,438 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-18 15:39:44,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:39:44,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754665738] [2021-12-18 15:39:44,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754665738] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:39:44,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:39:44,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:39:44,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340907527] [2021-12-18 15:39:44,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:39:44,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:39:44,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:39:44,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:39:44,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:39:44,441 INFO L87 Difference]: Start difference. First operand 14127 states and 19298 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 15:39:58,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:39:59,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:40:01,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:40:16,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:40:24,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:40:24,141 INFO L93 Difference]: Finished difference Result 30013 states and 41427 transitions. [2021-12-18 15:40:24,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 15:40:24,142 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 91 [2021-12-18 15:40:24,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:40:24,197 INFO L225 Difference]: With dead ends: 30013 [2021-12-18 15:40:24,197 INFO L226 Difference]: Without dead ends: 15942 [2021-12-18 15:40:24,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:40:24,243 INFO L933 BasicCegarLoop]: 4658 mSDtfsCounter, 1610 mSDsluCounter, 17406 mSDsCounter, 0 mSdLazyCounter, 5494 mSolverCounterSat, 1152 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1880 SdHoareTripleChecker+Valid, 22064 SdHoareTripleChecker+Invalid, 6647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1152 IncrementalHoareTripleChecker+Valid, 5494 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:40:24,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1880 Valid, 22064 Invalid, 6647 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1152 Valid, 5494 Invalid, 1 Unknown, 0 Unchecked, 38.4s Time] [2021-12-18 15:40:24,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15942 states. [2021-12-18 15:40:24,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15942 to 7374. [2021-12-18 15:40:24,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7374 states, 4907 states have (on average 1.2416955369879763) internal successors, (6093), 5110 states have internal predecessors, (6093), 1946 states have call successors, (1946), 491 states have call predecessors, (1946), 492 states have return successors, (1946), 1924 states have call predecessors, (1946), 1944 states have call successors, (1946) [2021-12-18 15:40:24,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7374 states to 7374 states and 9985 transitions. [2021-12-18 15:40:24,639 INFO L78 Accepts]: Start accepts. Automaton has 7374 states and 9985 transitions. Word has length 91 [2021-12-18 15:40:24,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:40:24,640 INFO L470 AbstractCegarLoop]: Abstraction has 7374 states and 9985 transitions. [2021-12-18 15:40:24,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 15:40:24,640 INFO L276 IsEmpty]: Start isEmpty. Operand 7374 states and 9985 transitions. [2021-12-18 15:40:24,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-12-18 15:40:24,642 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:40:24,642 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] [2021-12-18 15:40:24,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 15:40:24,642 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-12-18 15:40:24,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:40:24,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1521923784, now seen corresponding path program 1 times [2021-12-18 15:40:24,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:40:24,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473655800] [2021-12-18 15:40:24,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:40:24,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:40:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:24,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:40:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:24,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 15:40:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:24,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 15:40:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:24,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:40:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:25,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:40:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:25,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 15:40:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:25,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:40:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:25,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:40:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:25,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:40:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:25,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:40:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:25,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:40:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:25,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:40:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:25,101 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-18 15:40:25,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:40:25,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473655800] [2021-12-18 15:40:25,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473655800] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:40:25,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:40:25,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:40:25,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062871669] [2021-12-18 15:40:25,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:40:25,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:40:25,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:40:25,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:40:25,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:40:25,105 INFO L87 Difference]: Start difference. First operand 7374 states and 9985 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2021-12-18 15:40:32,170 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:40:42,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:40:53,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:40:53,253 INFO L93 Difference]: Finished difference Result 7546 states and 10277 transitions. [2021-12-18 15:40:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:40:53,253 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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 87 [2021-12-18 15:40:53,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:40:53,275 INFO L225 Difference]: With dead ends: 7546 [2021-12-18 15:40:53,275 INFO L226 Difference]: Without dead ends: 7544 [2021-12-18 15:40:53,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:40:53,280 INFO L933 BasicCegarLoop]: 4242 mSDtfsCounter, 7387 mSDsluCounter, 4558 mSDsCounter, 0 mSdLazyCounter, 3529 mSolverCounterSat, 4097 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7796 SdHoareTripleChecker+Valid, 8800 SdHoareTripleChecker+Invalid, 7628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4097 IncrementalHoareTripleChecker+Valid, 3529 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:40:53,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7796 Valid, 8800 Invalid, 7628 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4097 Valid, 3529 Invalid, 2 Unknown, 0 Unchecked, 27.2s Time] [2021-12-18 15:40:53,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7544 states. [2021-12-18 15:40:53,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7544 to 7372. [2021-12-18 15:40:53,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7372 states, 4906 states have (on average 1.2413371381981246) internal successors, (6090), 5108 states have internal predecessors, (6090), 1946 states have call successors, (1946), 491 states have call predecessors, (1946), 492 states have return successors, (1946), 1924 states have call predecessors, (1946), 1944 states have call successors, (1946) [2021-12-18 15:40:53,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7372 states to 7372 states and 9982 transitions. [2021-12-18 15:40:53,562 INFO L78 Accepts]: Start accepts. Automaton has 7372 states and 9982 transitions. Word has length 87 [2021-12-18 15:40:53,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:40:53,562 INFO L470 AbstractCegarLoop]: Abstraction has 7372 states and 9982 transitions. [2021-12-18 15:40:53,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2021-12-18 15:40:53,563 INFO L276 IsEmpty]: Start isEmpty. Operand 7372 states and 9982 transitions. [2021-12-18 15:40:53,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-18 15:40:53,564 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:40:53,564 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] [2021-12-18 15:40:53,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 15:40:53,564 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-12-18 15:40:53,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:40:53,565 INFO L85 PathProgramCache]: Analyzing trace with hash -383311953, now seen corresponding path program 1 times [2021-12-18 15:40:53,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:40:53,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868452215] [2021-12-18 15:40:53,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:40:53,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:40:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:53,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:40:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:53,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 15:40:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:53,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 15:40:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:53,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:40:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:54,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:40:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:54,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 15:40:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:54,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:40:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:54,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:40:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:54,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:40:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:54,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:40:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:54,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:40:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:54,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:40:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:54,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:40:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:40:54,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-18 15:40:54,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:40:54,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868452215] [2021-12-18 15:40:54,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868452215] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:40:54,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:40:54,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:40:54,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372055562] [2021-12-18 15:40:54,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:40:54,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:40:54,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:40:54,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:40:54,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:40:54,098 INFO L87 Difference]: Start difference. First operand 7372 states and 9982 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2021-12-18 15:41:01,053 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:41:04,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:41:13,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:41:23,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:41:23,987 INFO L93 Difference]: Finished difference Result 7544 states and 10274 transitions. [2021-12-18 15:41:23,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:41:23,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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 93 [2021-12-18 15:41:23,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:41:24,009 INFO L225 Difference]: With dead ends: 7544 [2021-12-18 15:41:24,009 INFO L226 Difference]: Without dead ends: 7542 [2021-12-18 15:41:24,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:41:24,015 INFO L933 BasicCegarLoop]: 4241 mSDtfsCounter, 7381 mSDsluCounter, 4561 mSDsCounter, 0 mSdLazyCounter, 3527 mSolverCounterSat, 4097 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7788 SdHoareTripleChecker+Valid, 8802 SdHoareTripleChecker+Invalid, 7626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4097 IncrementalHoareTripleChecker+Valid, 3527 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:41:24,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7788 Valid, 8802 Invalid, 7626 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4097 Valid, 3527 Invalid, 2 Unknown, 0 Unchecked, 29.0s Time] [2021-12-18 15:41:24,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7542 states. [2021-12-18 15:41:24,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7542 to 7370. [2021-12-18 15:41:24,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7370 states, 4905 states have (on average 1.2409785932721713) internal successors, (6087), 5106 states have internal predecessors, (6087), 1946 states have call successors, (1946), 491 states have call predecessors, (1946), 492 states have return successors, (1946), 1924 states have call predecessors, (1946), 1944 states have call successors, (1946) [2021-12-18 15:41:24,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7370 states to 7370 states and 9979 transitions. [2021-12-18 15:41:24,353 INFO L78 Accepts]: Start accepts. Automaton has 7370 states and 9979 transitions. Word has length 93 [2021-12-18 15:41:24,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:41:24,354 INFO L470 AbstractCegarLoop]: Abstraction has 7370 states and 9979 transitions. [2021-12-18 15:41:24,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2021-12-18 15:41:24,354 INFO L276 IsEmpty]: Start isEmpty. Operand 7370 states and 9979 transitions. [2021-12-18 15:41:24,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-18 15:41:24,355 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:41:24,355 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] [2021-12-18 15:41:24,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 15:41:24,356 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-12-18 15:41:24,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:41:24,356 INFO L85 PathProgramCache]: Analyzing trace with hash 428382580, now seen corresponding path program 1 times [2021-12-18 15:41:24,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:41:24,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120214852] [2021-12-18 15:41:24,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:41:24,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:41:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:24,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:41:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:24,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 15:41:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:24,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 15:41:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:24,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:41:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:24,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:41:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:24,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 15:41:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:24,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:41:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:24,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:41:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:24,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:41:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:24,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:41:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:24,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:41:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:24,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:41:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:24,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:41:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:24,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:41:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:24,828 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-18 15:41:24,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:41:24,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120214852] [2021-12-18 15:41:24,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120214852] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:41:24,829 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:41:24,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:41:24,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235660528] [2021-12-18 15:41:24,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:41:24,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:41:24,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:41:24,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:41:24,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:41:24,830 INFO L87 Difference]: Start difference. First operand 7370 states and 9979 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (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) [2021-12-18 15:41:31,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:41:43,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:41:53,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:41:53,563 INFO L93 Difference]: Finished difference Result 7542 states and 10271 transitions. [2021-12-18 15:41:53,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:41:53,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (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 99 [2021-12-18 15:41:53,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:41:53,579 INFO L225 Difference]: With dead ends: 7542 [2021-12-18 15:41:53,580 INFO L226 Difference]: Without dead ends: 7540 [2021-12-18 15:41:53,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:41:53,583 INFO L933 BasicCegarLoop]: 4242 mSDtfsCounter, 7379 mSDsluCounter, 4570 mSDsCounter, 0 mSdLazyCounter, 3521 mSolverCounterSat, 4097 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7782 SdHoareTripleChecker+Valid, 8812 SdHoareTripleChecker+Invalid, 7620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4097 IncrementalHoareTripleChecker+Valid, 3521 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:41:53,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7782 Valid, 8812 Invalid, 7620 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4097 Valid, 3521 Invalid, 2 Unknown, 0 Unchecked, 27.8s Time] [2021-12-18 15:41:53,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7540 states. [2021-12-18 15:41:53,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7540 to 7368. [2021-12-18 15:41:53,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7368 states, 4904 states have (on average 1.2406199021207178) internal successors, (6084), 5104 states have internal predecessors, (6084), 1946 states have call successors, (1946), 491 states have call predecessors, (1946), 492 states have return successors, (1946), 1924 states have call predecessors, (1946), 1944 states have call successors, (1946) [2021-12-18 15:41:53,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7368 states to 7368 states and 9976 transitions. [2021-12-18 15:41:53,852 INFO L78 Accepts]: Start accepts. Automaton has 7368 states and 9976 transitions. Word has length 99 [2021-12-18 15:41:53,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:41:53,852 INFO L470 AbstractCegarLoop]: Abstraction has 7368 states and 9976 transitions. [2021-12-18 15:41:53,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (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) [2021-12-18 15:41:53,852 INFO L276 IsEmpty]: Start isEmpty. Operand 7368 states and 9976 transitions. [2021-12-18 15:41:53,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-18 15:41:53,853 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:41:53,853 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:41:53,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 15:41:53,854 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_drivers_base_class_unregister_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-12-18 15:41:53,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:41:53,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1624349477, now seen corresponding path program 1 times [2021-12-18 15:41:53,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:41:53,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870644268] [2021-12-18 15:41:53,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:41:53,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:41:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:54,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:41:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:54,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:41:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:54,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:41:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:54,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:41:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:54,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:41:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:54,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:41:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:54,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 15:41:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:54,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:41:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:54,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:41:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:54,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:41:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:54,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:41:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:54,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:41:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:54,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:41:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:54,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 15:41:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:54,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:41:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:41:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:41:54,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:41:54,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870644268] [2021-12-18 15:41:54,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870644268] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:41:54,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:41:54,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 15:41:54,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019660057] [2021-12-18 15:41:54,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:41:54,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 15:41:54,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:41:54,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 15:41:54,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:41:54,618 INFO L87 Difference]: Start difference. First operand 7368 states and 9976 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-18 15:42:11,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:42:13,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:42:15,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:42:18,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:42:34,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:42:45,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:42:45,919 INFO L93 Difference]: Finished difference Result 13224 states and 18498 transitions. [2021-12-18 15:42:45,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:42:45,920 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 107 [2021-12-18 15:42:45,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:42:45,951 INFO L225 Difference]: With dead ends: 13224 [2021-12-18 15:42:45,951 INFO L226 Difference]: Without dead ends: 9601 [2021-12-18 15:42:45,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:42:45,965 INFO L933 BasicCegarLoop]: 6901 mSDtfsCounter, 4105 mSDsluCounter, 28794 mSDsCounter, 0 mSdLazyCounter, 6762 mSolverCounterSat, 2656 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4658 SdHoareTripleChecker+Valid, 35695 SdHoareTripleChecker+Invalid, 9422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2656 IncrementalHoareTripleChecker+Valid, 6762 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:42:45,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4658 Valid, 35695 Invalid, 9422 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2656 Valid, 6762 Invalid, 4 Unknown, 0 Unchecked, 50.1s Time] [2021-12-18 15:42:45,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9601 states. [2021-12-18 15:42:46,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9601 to 7365. [2021-12-18 15:42:46,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7365 states, 4901 states have (on average 1.2403591103856355) internal successors, (6079), 5100 states have internal predecessors, (6079), 1946 states have call successors, (1946), 491 states have call predecessors, (1946), 492 states have return successors, (1946), 1924 states have call predecessors, (1946), 1944 states have call successors, (1946) [2021-12-18 15:42:46,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7365 states to 7365 states and 9971 transitions. [2021-12-18 15:42:46,371 INFO L78 Accepts]: Start accepts. Automaton has 7365 states and 9971 transitions. Word has length 107 [2021-12-18 15:42:46,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:42:46,372 INFO L470 AbstractCegarLoop]: Abstraction has 7365 states and 9971 transitions. [2021-12-18 15:42:46,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-18 15:42:46,372 INFO L276 IsEmpty]: Start isEmpty. Operand 7365 states and 9971 transitions. [2021-12-18 15:42:46,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-18 15:42:46,373 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:42:46,373 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] [2021-12-18 15:42:46,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 15:42:46,374 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-12-18 15:42:46,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:42:46,375 INFO L85 PathProgramCache]: Analyzing trace with hash -640954857, now seen corresponding path program 1 times [2021-12-18 15:42:46,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:42:46,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652832827] [2021-12-18 15:42:46,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:42:46,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:42:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:46,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:42:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:46,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 15:42:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:46,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 15:42:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:46,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:42:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:46,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:42:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:46,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 15:42:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:46,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:42:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:46,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:42:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:46,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:42:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:46,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:42:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:46,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:42:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:46,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:42:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:46,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:42:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:46,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:42:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:46,807 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-18 15:42:46,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:42:46,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652832827] [2021-12-18 15:42:46,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652832827] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:42:46,808 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:42:46,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:42:46,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684973381] [2021-12-18 15:42:46,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:42:46,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:42:46,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:42:46,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:42:46,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:42:46,809 INFO L87 Difference]: Start difference. First operand 7365 states and 9971 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 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) [2021-12-18 15:42:53,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:43:05,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:43:15,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:43:15,624 INFO L93 Difference]: Finished difference Result 7537 states and 10263 transitions. [2021-12-18 15:43:15,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:43:15,625 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 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 101 [2021-12-18 15:43:15,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:43:15,640 INFO L225 Difference]: With dead ends: 7537 [2021-12-18 15:43:15,640 INFO L226 Difference]: Without dead ends: 7535 [2021-12-18 15:43:15,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:43:15,643 INFO L933 BasicCegarLoop]: 4239 mSDtfsCounter, 7367 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 3523 mSolverCounterSat, 4097 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7771 SdHoareTripleChecker+Valid, 8806 SdHoareTripleChecker+Invalid, 7622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4097 IncrementalHoareTripleChecker+Valid, 3523 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2021-12-18 15:43:15,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7771 Valid, 8806 Invalid, 7622 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4097 Valid, 3523 Invalid, 2 Unknown, 0 Unchecked, 27.9s Time] [2021-12-18 15:43:15,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7535 states. [2021-12-18 15:43:15,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7535 to 7363. [2021-12-18 15:43:15,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7363 states, 4900 states have (on average 1.24) internal successors, (6076), 5098 states have internal predecessors, (6076), 1946 states have call successors, (1946), 491 states have call predecessors, (1946), 492 states have return successors, (1946), 1924 states have call predecessors, (1946), 1944 states have call successors, (1946) [2021-12-18 15:43:15,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7363 states to 7363 states and 9968 transitions. [2021-12-18 15:43:15,941 INFO L78 Accepts]: Start accepts. Automaton has 7363 states and 9968 transitions. Word has length 101 [2021-12-18 15:43:15,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:43:15,942 INFO L470 AbstractCegarLoop]: Abstraction has 7363 states and 9968 transitions. [2021-12-18 15:43:15,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 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) [2021-12-18 15:43:15,942 INFO L276 IsEmpty]: Start isEmpty. Operand 7363 states and 9968 transitions. [2021-12-18 15:43:15,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-18 15:43:15,943 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:43:15,943 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] [2021-12-18 15:43:15,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 15:43:15,944 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-12-18 15:43:15,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:43:15,944 INFO L85 PathProgramCache]: Analyzing trace with hash 106962872, now seen corresponding path program 1 times [2021-12-18 15:43:15,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:43:15,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348713069] [2021-12-18 15:43:15,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:43:15,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:43:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:16,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:43:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:16,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 15:43:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:16,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 15:43:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:16,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:43:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:16,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:43:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:16,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 15:43:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:16,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:43:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:16,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:43:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:16,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:43:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:16,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:43:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:16,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:43:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:16,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:43:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:16,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:43:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:16,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:43:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:16,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 15:43:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:16,408 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-18 15:43:16,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:43:16,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348713069] [2021-12-18 15:43:16,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348713069] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:43:16,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:43:16,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:43:16,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573126975] [2021-12-18 15:43:16,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:43:16,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:43:16,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:43:16,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:43:16,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:43:16,411 INFO L87 Difference]: Start difference. First operand 7363 states and 9968 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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) [2021-12-18 15:43:23,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:43:26,166 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:43:36,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:43:46,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:43:46,112 INFO L93 Difference]: Finished difference Result 7535 states and 10260 transitions. [2021-12-18 15:43:46,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:43:46,113 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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 107 [2021-12-18 15:43:46,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:43:46,131 INFO L225 Difference]: With dead ends: 7535 [2021-12-18 15:43:46,131 INFO L226 Difference]: Without dead ends: 7533 [2021-12-18 15:43:46,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:43:46,136 INFO L933 BasicCegarLoop]: 4238 mSDtfsCounter, 7363 mSDsluCounter, 4570 mSDsCounter, 0 mSdLazyCounter, 3521 mSolverCounterSat, 4097 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7765 SdHoareTripleChecker+Valid, 8808 SdHoareTripleChecker+Invalid, 7620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4097 IncrementalHoareTripleChecker+Valid, 3521 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:43:46,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7765 Valid, 8808 Invalid, 7620 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4097 Valid, 3521 Invalid, 2 Unknown, 0 Unchecked, 28.8s Time] [2021-12-18 15:43:46,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7533 states. [2021-12-18 15:43:46,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7533 to 7361. [2021-12-18 15:43:46,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7361 states, 4899 states have (on average 1.2396407430087772) internal successors, (6073), 5096 states have internal predecessors, (6073), 1946 states have call successors, (1946), 491 states have call predecessors, (1946), 492 states have return successors, (1946), 1924 states have call predecessors, (1946), 1944 states have call successors, (1946) [2021-12-18 15:43:46,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7361 states to 7361 states and 9965 transitions. [2021-12-18 15:43:46,451 INFO L78 Accepts]: Start accepts. Automaton has 7361 states and 9965 transitions. Word has length 107 [2021-12-18 15:43:46,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:43:46,451 INFO L470 AbstractCegarLoop]: Abstraction has 7361 states and 9965 transitions. [2021-12-18 15:43:46,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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) [2021-12-18 15:43:46,451 INFO L276 IsEmpty]: Start isEmpty. Operand 7361 states and 9965 transitions. [2021-12-18 15:43:46,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-18 15:43:46,453 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:43:46,453 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:43:46,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 15:43:46,453 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_drivers_base_class_unregister_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-12-18 15:43:46,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:43:46,453 INFO L85 PathProgramCache]: Analyzing trace with hash -134448767, now seen corresponding path program 1 times [2021-12-18 15:43:46,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:43:46,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387967302] [2021-12-18 15:43:46,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:43:46,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:43:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:46,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:43:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:46,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:43:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:46,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:43:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:46,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:43:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:46,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:43:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:46,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:43:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:46,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 15:43:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:46,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:43:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:46,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:43:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:46,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 15:43:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:46,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:43:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:46,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:43:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:46,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:43:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:46,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:43:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:46,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 15:43:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:46,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:43:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:46,881 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:43:46,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:43:46,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387967302] [2021-12-18 15:43:46,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387967302] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:43:46,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:43:46,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 15:43:46,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956429402] [2021-12-18 15:43:46,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:43:46,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 15:43:46,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:43:46,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 15:43:46,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 15:43:46,884 INFO L87 Difference]: Start difference. First operand 7361 states and 9965 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 15:43:56,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:44:11,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:44:23,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:44:23,622 INFO L93 Difference]: Finished difference Result 8269 states and 11393 transitions. [2021-12-18 15:44:23,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:44:23,622 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (15), 3 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 113 [2021-12-18 15:44:23,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:44:23,646 INFO L225 Difference]: With dead ends: 8269 [2021-12-18 15:44:23,646 INFO L226 Difference]: Without dead ends: 8267 [2021-12-18 15:44:23,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:44:23,651 INFO L933 BasicCegarLoop]: 5525 mSDtfsCounter, 6418 mSDsluCounter, 10733 mSDsCounter, 0 mSdLazyCounter, 4441 mSolverCounterSat, 2841 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7140 SdHoareTripleChecker+Valid, 16258 SdHoareTripleChecker+Invalid, 7283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2841 IncrementalHoareTripleChecker+Valid, 4441 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.7s IncrementalHoareTripleChecker+Time [2021-12-18 15:44:23,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7140 Valid, 16258 Invalid, 7283 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2841 Valid, 4441 Invalid, 1 Unknown, 0 Unchecked, 35.7s Time] [2021-12-18 15:44:23,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8267 states. [2021-12-18 15:44:23,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8267 to 7383. [2021-12-18 15:44:23,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7383 states, 4916 states have (on average 1.2388120423108218) internal successors, (6090), 5113 states have internal predecessors, (6090), 1949 states have call successors, (1949), 494 states have call predecessors, (1949), 494 states have return successors, (1949), 1926 states have call predecessors, (1949), 1947 states have call successors, (1949) [2021-12-18 15:44:23,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7383 states to 7383 states and 9988 transitions. [2021-12-18 15:44:23,994 INFO L78 Accepts]: Start accepts. Automaton has 7383 states and 9988 transitions. Word has length 113 [2021-12-18 15:44:23,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:44:23,995 INFO L470 AbstractCegarLoop]: Abstraction has 7383 states and 9988 transitions. [2021-12-18 15:44:23,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 15:44:23,995 INFO L276 IsEmpty]: Start isEmpty. Operand 7383 states and 9988 transitions. [2021-12-18 15:44:23,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-18 15:44:23,996 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:44:23,997 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] [2021-12-18 15:44:23,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 15:44:23,997 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-12-18 15:44:23,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:44:23,997 INFO L85 PathProgramCache]: Analyzing trace with hash -757074862, now seen corresponding path program 1 times [2021-12-18 15:44:23,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:44:23,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876249437] [2021-12-18 15:44:23,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:44:23,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:44:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:24,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:44:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:24,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 15:44:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:24,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 15:44:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:24,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:44:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:24,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:44:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:24,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 15:44:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:24,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:44:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:24,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:44:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:24,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:44:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:24,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:44:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:24,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:44:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:24,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:44:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:24,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:44:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:24,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:44:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:24,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 15:44:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:24,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 15:44:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:24,431 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-18 15:44:24,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:44:24,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876249437] [2021-12-18 15:44:24,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876249437] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:44:24,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:44:24,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:44:24,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100864565] [2021-12-18 15:44:24,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:44:24,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:44:24,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:44:24,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:44:24,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:44:24,433 INFO L87 Difference]: Start difference. First operand 7383 states and 9988 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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) [2021-12-18 15:44:31,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:44:34,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:44:45,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15