./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.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 53e062e1035ae1f01c2e809595599fa2661e1ae14b245da0f28d018a9f398780 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 12:55:06,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 12:55:06,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 12:55:06,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 12:55:06,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 12:55:06,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 12:55:06,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 12:55:06,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 12:55:06,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 12:55:06,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 12:55:06,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 12:55:06,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 12:55:06,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 12:55:06,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 12:55:06,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 12:55:06,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 12:55:06,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 12:55:06,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 12:55:06,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 12:55:06,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 12:55:06,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 12:55:06,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 12:55:06,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 12:55:06,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 12:55:06,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 12:55:06,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 12:55:06,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 12:55:06,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 12:55:06,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 12:55:06,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 12:55:06,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 12:55:06,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 12:55:06,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 12:55:06,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 12:55:06,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 12:55:06,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 12:55:06,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 12:55:06,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 12:55:06,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 12:55:06,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 12:55:06,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 12:55:06,349 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 12:55:06,376 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 12:55:06,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 12:55:06,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 12:55:06,378 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 12:55:06,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 12:55:06,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 12:55:06,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 12:55:06,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 12:55:06,380 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 12:55:06,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 12:55:06,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 12:55:06,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 12:55:06,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 12:55:06,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 12:55:06,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 12:55:06,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 12:55:06,382 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 12:55:06,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 12:55:06,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 12:55:06,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 12:55:06,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 12:55:06,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 12:55:06,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 12:55:06,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 12:55:06,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 12:55:06,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 12:55:06,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 12:55:06,384 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 12:55:06,384 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 12:55:06,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 12:55:06,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 12:55:06,384 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53e062e1035ae1f01c2e809595599fa2661e1ae14b245da0f28d018a9f398780 [2021-11-17 12:55:06,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 12:55:06,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 12:55:06,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 12:55:06,663 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 12:55:06,663 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 12:55:06,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i [2021-11-17 12:55:06,727 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b5bcfbd9/7356ea0d60bd40edb4d7c2a7ed14e6a8/FLAG7e9985768 [2021-11-17 12:55:07,399 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 12:55:07,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i [2021-11-17 12:55:07,454 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b5bcfbd9/7356ea0d60bd40edb4d7c2a7ed14e6a8/FLAG7e9985768 [2021-11-17 12:55:07,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b5bcfbd9/7356ea0d60bd40edb4d7c2a7ed14e6a8 [2021-11-17 12:55:07,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 12:55:07,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 12:55:07,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 12:55:07,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 12:55:07,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 12:55:07,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:55:07" (1/1) ... [2021-11-17 12:55:07,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f76ddaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:55:07, skipping insertion in model container [2021-11-17 12:55:07,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:55:07" (1/1) ... [2021-11-17 12:55:07,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 12:55:07,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 12:55:10,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393566,393579] [2021-11-17 12:55:10,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393711,393724] [2021-11-17 12:55:10,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393857,393870] [2021-11-17 12:55:10,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394022,394035] [2021-11-17 12:55:10,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394180,394193] [2021-11-17 12:55:10,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394338,394351] [2021-11-17 12:55:10,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394496,394509] [2021-11-17 12:55:10,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394656,394669] [2021-11-17 12:55:10,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394815,394828] [2021-11-17 12:55:10,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394954,394967] [2021-11-17 12:55:10,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395096,395109] [2021-11-17 12:55:10,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395245,395258] [2021-11-17 12:55:10,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395384,395397] [2021-11-17 12:55:10,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395539,395552] [2021-11-17 12:55:10,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395699,395712] [2021-11-17 12:55:10,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395850,395863] [2021-11-17 12:55:10,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396001,396014] [2021-11-17 12:55:10,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396153,396166] [2021-11-17 12:55:10,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396302,396315] [2021-11-17 12:55:10,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396450,396463] [2021-11-17 12:55:10,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396607,396620] [2021-11-17 12:55:10,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396756,396769] [2021-11-17 12:55:10,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396912,396925] [2021-11-17 12:55:10,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397065,397078] [2021-11-17 12:55:10,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397211,397224] [2021-11-17 12:55:10,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397354,397367] [2021-11-17 12:55:10,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397506,397519] [2021-11-17 12:55:10,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397652,397665] [2021-11-17 12:55:10,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397797,397810] [2021-11-17 12:55:10,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397951,397964] [2021-11-17 12:55:10,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398102,398115] [2021-11-17 12:55:10,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398257,398270] [2021-11-17 12:55:10,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398409,398422] [2021-11-17 12:55:10,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398564,398577] [2021-11-17 12:55:10,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398728,398741] [2021-11-17 12:55:10,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398884,398897] [2021-11-17 12:55:10,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399048,399061] [2021-11-17 12:55:10,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399190,399203] [2021-11-17 12:55:10,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399348,399361] [2021-11-17 12:55:10,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399515,399528] [2021-11-17 12:55:10,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399674,399687] [2021-11-17 12:55:10,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399833,399846] [2021-11-17 12:55:10,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399982,399995] [2021-11-17 12:55:10,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400129,400142] [2021-11-17 12:55:10,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400268,400281] [2021-11-17 12:55:10,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400431,400444] [2021-11-17 12:55:10,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400597,400610] [2021-11-17 12:55:10,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400761,400774] [2021-11-17 12:55:10,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400926,400939] [2021-11-17 12:55:10,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401091,401104] [2021-11-17 12:55:10,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401257,401270] [2021-11-17 12:55:10,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401422,401435] [2021-11-17 12:55:10,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401589,401602] [2021-11-17 12:55:10,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401749,401762] [2021-11-17 12:55:10,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401911,401924] [2021-11-17 12:55:10,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402070,402083] [2021-11-17 12:55:10,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402216,402229] [2021-11-17 12:55:10,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402359,402372] [2021-11-17 12:55:10,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402503,402516] [2021-11-17 12:55:10,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402646,402659] [2021-11-17 12:55:10,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402790,402803] [2021-11-17 12:55:10,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402931,402944] [2021-11-17 12:55:10,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403069,403082] [2021-11-17 12:55:10,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403227,403240] [2021-11-17 12:55:10,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403386,403399] [2021-11-17 12:55:10,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403542,403555] [2021-11-17 12:55:10,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403691,403704] [2021-11-17 12:55:10,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403843,403856] [2021-11-17 12:55:10,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403994,404007] [2021-11-17 12:55:10,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404143,404156] [2021-11-17 12:55:10,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404295,404308] [2021-11-17 12:55:10,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404443,404456] [2021-11-17 12:55:10,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404596,404609] [2021-11-17 12:55:10,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404747,404760] [2021-11-17 12:55:10,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404897,404910] [2021-11-17 12:55:10,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405044,405057] [2021-11-17 12:55:10,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405195,405208] [2021-11-17 12:55:10,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405346,405359] [2021-11-17 12:55:10,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405494,405507] [2021-11-17 12:55:10,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405660,405673] [2021-11-17 12:55:10,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405829,405842] [2021-11-17 12:55:10,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405996,406009] [2021-11-17 12:55:10,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406164,406177] [2021-11-17 12:55:10,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406314,406327] [2021-11-17 12:55:10,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406461,406474] [2021-11-17 12:55:10,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406622,406635] [2021-11-17 12:55:10,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406792,406805] [2021-11-17 12:55:10,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406954,406967] [2021-11-17 12:55:11,019 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 12:55:11,069 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 12:55:11,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393566,393579] [2021-11-17 12:55:11,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393711,393724] [2021-11-17 12:55:11,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[393857,393870] [2021-11-17 12:55:11,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394022,394035] [2021-11-17 12:55:11,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394180,394193] [2021-11-17 12:55:11,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394338,394351] [2021-11-17 12:55:11,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394496,394509] [2021-11-17 12:55:11,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394656,394669] [2021-11-17 12:55:11,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394815,394828] [2021-11-17 12:55:11,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[394954,394967] [2021-11-17 12:55:11,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395096,395109] [2021-11-17 12:55:11,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395245,395258] [2021-11-17 12:55:11,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395384,395397] [2021-11-17 12:55:11,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395539,395552] [2021-11-17 12:55:11,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395699,395712] [2021-11-17 12:55:11,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[395850,395863] [2021-11-17 12:55:11,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396001,396014] [2021-11-17 12:55:11,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396153,396166] [2021-11-17 12:55:11,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396302,396315] [2021-11-17 12:55:11,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396450,396463] [2021-11-17 12:55:11,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396607,396620] [2021-11-17 12:55:11,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396756,396769] [2021-11-17 12:55:11,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[396912,396925] [2021-11-17 12:55:11,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397065,397078] [2021-11-17 12:55:11,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397211,397224] [2021-11-17 12:55:11,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397354,397367] [2021-11-17 12:55:11,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397506,397519] [2021-11-17 12:55:11,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397652,397665] [2021-11-17 12:55:11,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397797,397810] [2021-11-17 12:55:11,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[397951,397964] [2021-11-17 12:55:11,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398102,398115] [2021-11-17 12:55:11,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398257,398270] [2021-11-17 12:55:11,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398409,398422] [2021-11-17 12:55:11,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398564,398577] [2021-11-17 12:55:11,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398728,398741] [2021-11-17 12:55:11,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[398884,398897] [2021-11-17 12:55:11,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399048,399061] [2021-11-17 12:55:11,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399190,399203] [2021-11-17 12:55:11,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399348,399361] [2021-11-17 12:55:11,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399515,399528] [2021-11-17 12:55:11,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399674,399687] [2021-11-17 12:55:11,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399833,399846] [2021-11-17 12:55:11,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[399982,399995] [2021-11-17 12:55:11,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400129,400142] [2021-11-17 12:55:11,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400268,400281] [2021-11-17 12:55:11,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400431,400444] [2021-11-17 12:55:11,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400597,400610] [2021-11-17 12:55:11,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400761,400774] [2021-11-17 12:55:11,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[400926,400939] [2021-11-17 12:55:11,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401091,401104] [2021-11-17 12:55:11,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401257,401270] [2021-11-17 12:55:11,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401422,401435] [2021-11-17 12:55:11,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401589,401602] [2021-11-17 12:55:11,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401749,401762] [2021-11-17 12:55:11,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[401911,401924] [2021-11-17 12:55:11,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402070,402083] [2021-11-17 12:55:11,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402216,402229] [2021-11-17 12:55:11,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402359,402372] [2021-11-17 12:55:11,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402503,402516] [2021-11-17 12:55:11,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402646,402659] [2021-11-17 12:55:11,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402790,402803] [2021-11-17 12:55:11,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[402931,402944] [2021-11-17 12:55:11,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403069,403082] [2021-11-17 12:55:11,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403227,403240] [2021-11-17 12:55:11,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403386,403399] [2021-11-17 12:55:11,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403542,403555] [2021-11-17 12:55:11,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403691,403704] [2021-11-17 12:55:11,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403843,403856] [2021-11-17 12:55:11,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[403994,404007] [2021-11-17 12:55:11,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404143,404156] [2021-11-17 12:55:11,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404295,404308] [2021-11-17 12:55:11,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404443,404456] [2021-11-17 12:55:11,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404596,404609] [2021-11-17 12:55:11,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404747,404760] [2021-11-17 12:55:11,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[404897,404910] [2021-11-17 12:55:11,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405044,405057] [2021-11-17 12:55:11,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405195,405208] [2021-11-17 12:55:11,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405346,405359] [2021-11-17 12:55:11,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405494,405507] [2021-11-17 12:55:11,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405660,405673] [2021-11-17 12:55:11,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405829,405842] [2021-11-17 12:55:11,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[405996,406009] [2021-11-17 12:55:11,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406164,406177] [2021-11-17 12:55:11,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406314,406327] [2021-11-17 12:55:11,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406461,406474] [2021-11-17 12:55:11,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406622,406635] [2021-11-17 12:55:11,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406792,406805] [2021-11-17 12:55:11,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i[406954,406967] [2021-11-17 12:55:11,396 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 12:55:11,523 INFO L208 MainTranslator]: Completed translation [2021-11-17 12:55:11,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:55:11 WrapperNode [2021-11-17 12:55:11,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 12:55:11,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 12:55:11,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 12:55:11,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 12:55:11,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:55:11" (1/1) ... [2021-11-17 12:55:11,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:55:11" (1/1) ... [2021-11-17 12:55:11,770 INFO L137 Inliner]: procedures = 655, calls = 1959, calls flagged for inlining = 296, calls inlined = 213, statements flattened = 4137 [2021-11-17 12:55:11,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 12:55:11,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 12:55:11,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 12:55:11,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 12:55:11,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:55:11" (1/1) ... [2021-11-17 12:55:11,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:55:11" (1/1) ... [2021-11-17 12:55:11,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:55:11" (1/1) ... [2021-11-17 12:55:11,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:55:11" (1/1) ... [2021-11-17 12:55:11,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:55:11" (1/1) ... [2021-11-17 12:55:11,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:55:11" (1/1) ... [2021-11-17 12:55:11,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:55:11" (1/1) ... [2021-11-17 12:55:12,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 12:55:12,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 12:55:12,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 12:55:12,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 12:55:12,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:55:11" (1/1) ... [2021-11-17 12:55:12,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 12:55:12,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 12:55:12,037 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) [2021-11-17 12:55:12,046 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 [2021-11-17 12:55:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-17 12:55:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-17 12:55:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-11-17 12:55:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-11-17 12:55:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 12:55:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 12:55:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-17 12:55:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-17 12:55:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 12:55:12,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 12:55:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mii_mutex_of_ipg_nic_private [2021-11-17 12:55:12,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mii_mutex_of_ipg_nic_private [2021-11-17 12:55:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-17 12:55:12,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-17 12:55:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 12:55:12,070 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 12:55:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2021-11-17 12:55:12,071 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2021-11-17 12:55:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 12:55:12,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 12:55:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 12:55:12,071 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 12:55:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-11-17 12:55:12,071 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-11-17 12:55:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2021-11-17 12:55:12,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2021-11-17 12:55:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-11-17 12:55:12,072 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-11-17 12:55:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-17 12:55:12,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-17 12:55:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-17 12:55:12,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-17 12:55:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-17 12:55:12,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-17 12:55:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-17 12:55:12,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-17 12:55:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2021-11-17 12:55:12,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2021-11-17 12:55:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-11-17 12:55:12,073 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-11-17 12:55:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 12:55:12,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 12:55:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-17 12:55:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-17 12:55:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-17 12:55:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-17 12:55:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 12:55:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 12:55:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 12:55:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 12:55:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-17 12:55:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-17 12:55:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-17 12:55:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-17 12:55:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 12:55:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2021-11-17 12:55:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2021-11-17 12:55:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-17 12:55:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-17 12:55:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2021-11-17 12:55:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2021-11-17 12:55:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 12:55:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 12:55:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 12:55:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 12:55:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 12:55:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2021-11-17 12:55:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2021-11-17 12:55:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 12:55:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-17 12:55:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-17 12:55:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 12:55:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 12:55:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-17 12:55:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-17 12:55:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 12:55:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-17 12:55:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-17 12:55:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 12:55:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 12:55:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 12:55:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 12:55:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-17 12:55:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-17 12:55:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 12:55:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 12:55:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 12:55:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 12:55:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 12:55:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 12:55:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-17 12:55:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-17 12:55:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-17 12:55:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-17 12:55:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-17 12:55:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-17 12:55:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 12:55:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 12:55:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-17 12:55:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-17 12:55:12,086 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2021-11-17 12:55:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2021-11-17 12:55:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2021-11-17 12:55:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2021-11-17 12:55:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 12:55:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_ipg_nic_private [2021-11-17 12:55:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_ipg_nic_private [2021-11-17 12:55:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 12:55:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 12:55:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 12:55:12,087 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 12:55:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 12:55:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 12:55:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-11-17 12:55:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-11-17 12:55:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 12:55:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 12:55:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2021-11-17 12:55:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2021-11-17 12:55:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 12:55:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 12:55:12,089 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-17 12:55:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-17 12:55:12,089 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 12:55:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 12:55:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-17 12:55:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-17 12:55:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-17 12:55:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-17 12:55:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 12:55:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 12:55:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2021-11-17 12:55:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2021-11-17 12:55:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2021-11-17 12:55:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2021-11-17 12:55:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-17 12:55:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-17 12:55:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 12:55:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 12:55:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2021-11-17 12:55:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2021-11-17 12:55:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-17 12:55:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-17 12:55:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 12:55:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 12:55:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2021-11-17 12:55:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2021-11-17 12:55:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 12:55:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 12:55:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 12:55:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 12:55:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2021-11-17 12:55:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2021-11-17 12:55:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 12:55:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 12:55:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 12:55:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 12:55:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-17 12:55:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-17 12:55:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-17 12:55:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-17 12:55:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-17 12:55:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-17 12:55:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2021-11-17 12:55:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2021-11-17 12:55:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-17 12:55:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-17 12:55:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2021-11-17 12:55:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2021-11-17 12:55:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 12:55:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-17 12:55:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-17 12:55:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 12:55:12,095 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 12:55:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 12:55:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2021-11-17 12:55:12,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2021-11-17 12:55:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2021-11-17 12:55:12,095 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2021-11-17 12:55:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 12:55:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 12:55:12,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 12:55:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-17 12:55:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-17 12:55:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 12:55:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 12:55:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 12:55:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 12:55:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-17 12:55:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-17 12:55:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-17 12:55:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-17 12:55:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2021-11-17 12:55:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2021-11-17 12:55:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2021-11-17 12:55:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2021-11-17 12:55:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-17 12:55:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-17 12:55:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-17 12:55:12,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-17 12:55:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-17 12:55:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-17 12:55:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-17 12:55:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-17 12:55:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 12:55:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 12:55:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 12:55:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 12:55:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-17 12:55:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-17 12:55:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-17 12:55:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-17 12:55:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 12:55:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-17 12:55:12,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-17 12:55:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-17 12:55:12,103 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-17 12:55:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 12:55:12,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 12:55:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2021-11-17 12:55:12,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2021-11-17 12:55:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-17 12:55:12,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-17 12:55:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2021-11-17 12:55:12,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2021-11-17 12:55:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2021-11-17 12:55:12,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2021-11-17 12:55:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 12:55:12,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 12:55:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2021-11-17 12:55:12,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2021-11-17 12:55:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_ipg_nic_private [2021-11-17 12:55:12,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_ipg_nic_private [2021-11-17 12:55:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mii_mutex_of_ipg_nic_private [2021-11-17 12:55:12,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mii_mutex_of_ipg_nic_private [2021-11-17 12:55:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-17 12:55:12,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-17 12:55:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-17 12:55:12,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-17 12:55:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-17 12:55:12,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-17 12:55:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-17 12:55:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 12:55:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2021-11-17 12:55:12,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2021-11-17 12:55:12,870 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 12:55:12,874 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 12:55:13,813 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 12:55:16,240 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 12:55:16,250 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 12:55:16,251 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-17 12:55:16,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:55:16 BoogieIcfgContainer [2021-11-17 12:55:16,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 12:55:16,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 12:55:16,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 12:55:16,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 12:55:16,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 12:55:07" (1/3) ... [2021-11-17 12:55:16,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429031e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:55:16, skipping insertion in model container [2021-11-17 12:55:16,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:55:11" (2/3) ... [2021-11-17 12:55:16,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429031e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:55:16, skipping insertion in model container [2021-11-17 12:55:16,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:55:16" (3/3) ... [2021-11-17 12:55:16,260 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.i [2021-11-17 12:55:16,264 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 12:55:16,265 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2021-11-17 12:55:16,304 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 12:55:16,308 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 [2021-11-17 12:55:16,308 INFO L340 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-11-17 12:55:16,348 INFO L276 IsEmpty]: Start isEmpty. Operand has 1734 states, 1136 states have (on average 1.25) internal successors, (1420), 1205 states have internal predecessors, (1420), 457 states have call successors, (457), 114 states have call predecessors, (457), 113 states have return successors, (453), 450 states have call predecessors, (453), 453 states have call successors, (453) [2021-11-17 12:55:16,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-17 12:55:16,354 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:55:16,355 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:55:16,355 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:55:16,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:55:16,359 INFO L85 PathProgramCache]: Analyzing trace with hash 88617837, now seen corresponding path program 1 times [2021-11-17 12:55:16,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:55:16,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485387857] [2021-11-17 12:55:16,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:55:16,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:55:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:16,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:55:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:16,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:55:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:16,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:55:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:16,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:55:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:16,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:55:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:16,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:55:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:16,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:16,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:55:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:16,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:55:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:16,929 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:55:16,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:55:16,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485387857] [2021-11-17 12:55:16,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485387857] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:55:16,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:55:16,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:55:16,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779774237] [2021-11-17 12:55:16,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:55:16,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:55:16,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:55:16,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:55:16,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:55:16,955 INFO L87 Difference]: Start difference. First operand has 1734 states, 1136 states have (on average 1.25) internal successors, (1420), 1205 states have internal predecessors, (1420), 457 states have call successors, (457), 114 states have call predecessors, (457), 113 states have return successors, (453), 450 states have call predecessors, (453), 453 states have call successors, (453) Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 12:55:21,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:55:21,408 INFO L93 Difference]: Finished difference Result 3429 states and 4724 transitions. [2021-11-17 12:55:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:55:21,410 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 64 [2021-11-17 12:55:21,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:55:21,427 INFO L225 Difference]: With dead ends: 3429 [2021-11-17 12:55:21,428 INFO L226 Difference]: Without dead ends: 1710 [2021-11-17 12:55:21,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:55:21,442 INFO L933 BasicCegarLoop]: 1975 mSDtfsCounter, 3575 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 1940 mSolverCounterSat, 2120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3715 SdHoareTripleChecker+Valid, 3594 SdHoareTripleChecker+Invalid, 4060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2120 IncrementalHoareTripleChecker+Valid, 1940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-17 12:55:21,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3715 Valid, 3594 Invalid, 4060 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2120 Valid, 1940 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-17 12:55:21,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2021-11-17 12:55:21,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1710. [2021-11-17 12:55:21,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1710 states, 1119 states have (on average 1.2189454870420018) internal successors, (1364), 1184 states have internal predecessors, (1364), 451 states have call successors, (451), 113 states have call predecessors, (451), 112 states have return successors, (449), 446 states have call predecessors, (449), 449 states have call successors, (449) [2021-11-17 12:55:21,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 2264 transitions. [2021-11-17 12:55:21,557 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 2264 transitions. Word has length 64 [2021-11-17 12:55:21,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:55:21,558 INFO L470 AbstractCegarLoop]: Abstraction has 1710 states and 2264 transitions. [2021-11-17 12:55:21,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 12:55:21,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2264 transitions. [2021-11-17 12:55:21,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-17 12:55:21,561 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:55:21,561 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:55:21,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 12:55:21,561 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:55:21,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:55:21,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1940190108, now seen corresponding path program 1 times [2021-11-17 12:55:21,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:55:21,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403440396] [2021-11-17 12:55:21,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:55:21,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:55:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:21,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:55:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:21,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:55:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:21,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:55:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:21,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:55:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:21,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:55:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:21,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:55:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:21,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:21,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:55:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:21,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:55:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:21,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:55:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:21,765 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:55:21,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:55:21,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403440396] [2021-11-17 12:55:21,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403440396] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:55:21,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:55:21,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:55:21,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757000207] [2021-11-17 12:55:21,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:55:21,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:55:21,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:55:21,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:55:21,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:55:21,768 INFO L87 Difference]: Start difference. First operand 1710 states and 2264 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-17 12:55:25,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:55:25,475 INFO L93 Difference]: Finished difference Result 1710 states and 2264 transitions. [2021-11-17 12:55:25,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:55:25,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 70 [2021-11-17 12:55:25,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:55:25,485 INFO L225 Difference]: With dead ends: 1710 [2021-11-17 12:55:25,485 INFO L226 Difference]: Without dead ends: 1708 [2021-11-17 12:55:25,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:55:25,488 INFO L933 BasicCegarLoop]: 1957 mSDtfsCounter, 3543 mSDsluCounter, 1601 mSDsCounter, 0 mSdLazyCounter, 1928 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3680 SdHoareTripleChecker+Valid, 3558 SdHoareTripleChecker+Invalid, 4040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-17 12:55:25,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3680 Valid, 3558 Invalid, 4040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1928 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-17 12:55:25,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2021-11-17 12:55:25,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1708. [2021-11-17 12:55:25,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1708 states, 1118 states have (on average 1.2182468694096602) internal successors, (1362), 1182 states have internal predecessors, (1362), 451 states have call successors, (451), 113 states have call predecessors, (451), 112 states have return successors, (449), 446 states have call predecessors, (449), 449 states have call successors, (449) [2021-11-17 12:55:25,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2262 transitions. [2021-11-17 12:55:25,555 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2262 transitions. Word has length 70 [2021-11-17 12:55:25,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:55:25,557 INFO L470 AbstractCegarLoop]: Abstraction has 1708 states and 2262 transitions. [2021-11-17 12:55:25,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-17 12:55:25,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2262 transitions. [2021-11-17 12:55:25,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-17 12:55:25,563 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:55:25,564 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:55:25,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 12:55:25,565 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:55:25,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:55:25,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1012498483, now seen corresponding path program 1 times [2021-11-17 12:55:25,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:55:25,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357610040] [2021-11-17 12:55:25,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:55:25,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:55:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:25,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:55:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:25,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:55:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:25,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:55:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:25,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:55:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:25,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:55:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:25,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:55:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:25,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:25,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:55:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:25,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:55:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:25,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:55:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:25,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:55:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:25,828 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:55:25,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:55:25,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357610040] [2021-11-17 12:55:25,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357610040] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:55:25,829 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:55:25,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:55:25,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138395867] [2021-11-17 12:55:25,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:55:25,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:55:25,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:55:25,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:55:25,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:55:25,832 INFO L87 Difference]: Start difference. First operand 1708 states and 2262 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-17 12:55:29,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:55:29,390 INFO L93 Difference]: Finished difference Result 1708 states and 2262 transitions. [2021-11-17 12:55:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:55:29,391 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 76 [2021-11-17 12:55:29,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:55:29,397 INFO L225 Difference]: With dead ends: 1708 [2021-11-17 12:55:29,398 INFO L226 Difference]: Without dead ends: 1706 [2021-11-17 12:55:29,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:55:29,400 INFO L933 BasicCegarLoop]: 1955 mSDtfsCounter, 3537 mSDsluCounter, 1601 mSDsCounter, 0 mSdLazyCounter, 1926 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3673 SdHoareTripleChecker+Valid, 3556 SdHoareTripleChecker+Invalid, 4038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-17 12:55:29,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3673 Valid, 3556 Invalid, 4038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1926 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-17 12:55:29,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2021-11-17 12:55:29,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1706. [2021-11-17 12:55:29,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1706 states, 1117 states have (on average 1.2175470008952551) internal successors, (1360), 1180 states have internal predecessors, (1360), 451 states have call successors, (451), 113 states have call predecessors, (451), 112 states have return successors, (449), 446 states have call predecessors, (449), 449 states have call successors, (449) [2021-11-17 12:55:29,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 2260 transitions. [2021-11-17 12:55:29,467 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 2260 transitions. Word has length 76 [2021-11-17 12:55:29,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:55:29,468 INFO L470 AbstractCegarLoop]: Abstraction has 1706 states and 2260 transitions. [2021-11-17 12:55:29,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-17 12:55:29,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2260 transitions. [2021-11-17 12:55:29,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-17 12:55:29,469 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:55:29,469 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:55:29,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 12:55:29,470 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:55:29,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:55:29,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1445168333, now seen corresponding path program 1 times [2021-11-17 12:55:29,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:55:29,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251802172] [2021-11-17 12:55:29,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:55:29,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:55:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:55:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:55:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:55:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:55:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:55:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:55:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:55:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:55:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:55:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:55:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:55:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,706 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:55:29,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:55:29,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251802172] [2021-11-17 12:55:29,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251802172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:55:29,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:55:29,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:55:29,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538605432] [2021-11-17 12:55:29,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:55:29,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:55:29,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:55:29,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:55:29,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:55:29,709 INFO L87 Difference]: Start difference. First operand 1706 states and 2260 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 12:55:33,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:55:33,684 INFO L93 Difference]: Finished difference Result 1706 states and 2260 transitions. [2021-11-17 12:55:33,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:55:33,684 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 82 [2021-11-17 12:55:33,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:55:33,691 INFO L225 Difference]: With dead ends: 1706 [2021-11-17 12:55:33,691 INFO L226 Difference]: Without dead ends: 1704 [2021-11-17 12:55:33,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:55:33,693 INFO L933 BasicCegarLoop]: 1953 mSDtfsCounter, 3531 mSDsluCounter, 1601 mSDsCounter, 0 mSdLazyCounter, 1924 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3666 SdHoareTripleChecker+Valid, 3554 SdHoareTripleChecker+Invalid, 4036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-17 12:55:33,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3666 Valid, 3554 Invalid, 4036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1924 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-17 12:55:33,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2021-11-17 12:55:33,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1704. [2021-11-17 12:55:33,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1704 states, 1116 states have (on average 1.2168458781362008) internal successors, (1358), 1178 states have internal predecessors, (1358), 451 states have call successors, (451), 113 states have call predecessors, (451), 112 states have return successors, (449), 446 states have call predecessors, (449), 449 states have call successors, (449) [2021-11-17 12:55:33,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2258 transitions. [2021-11-17 12:55:33,747 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2258 transitions. Word has length 82 [2021-11-17 12:55:33,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:55:33,747 INFO L470 AbstractCegarLoop]: Abstraction has 1704 states and 2258 transitions. [2021-11-17 12:55:33,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 12:55:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2258 transitions. [2021-11-17 12:55:33,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-17 12:55:33,748 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:55:33,749 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:55:33,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 12:55:33,749 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:55:33,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:55:33,749 INFO L85 PathProgramCache]: Analyzing trace with hash -864010143, now seen corresponding path program 1 times [2021-11-17 12:55:33,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:55:33,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062223286] [2021-11-17 12:55:33,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:55:33,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:55:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:33,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:55:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:33,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:55:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:33,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:55:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:33,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:55:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:33,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:55:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:33,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:55:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:33,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:33,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:55:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:33,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:55:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:33,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:55:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:33,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:55:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:33,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:55:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:33,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:55:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:33,930 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:55:33,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:55:33,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062223286] [2021-11-17 12:55:33,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062223286] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:55:33,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:55:33,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:55:33,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220338181] [2021-11-17 12:55:33,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:55:33,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:55:33,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:55:33,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:55:33,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:55:33,932 INFO L87 Difference]: Start difference. First operand 1704 states and 2258 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-17 12:55:37,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:55:37,405 INFO L93 Difference]: Finished difference Result 1704 states and 2258 transitions. [2021-11-17 12:55:37,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:55:37,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 88 [2021-11-17 12:55:37,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:55:37,413 INFO L225 Difference]: With dead ends: 1704 [2021-11-17 12:55:37,414 INFO L226 Difference]: Without dead ends: 1702 [2021-11-17 12:55:37,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:55:37,416 INFO L933 BasicCegarLoop]: 1951 mSDtfsCounter, 3525 mSDsluCounter, 1601 mSDsCounter, 0 mSdLazyCounter, 1922 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3659 SdHoareTripleChecker+Valid, 3552 SdHoareTripleChecker+Invalid, 4034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-17 12:55:37,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3659 Valid, 3552 Invalid, 4034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1922 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-17 12:55:37,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2021-11-17 12:55:37,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1702. [2021-11-17 12:55:37,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1702 states, 1115 states have (on average 1.2161434977578476) internal successors, (1356), 1176 states have internal predecessors, (1356), 451 states have call successors, (451), 113 states have call predecessors, (451), 112 states have return successors, (449), 446 states have call predecessors, (449), 449 states have call successors, (449) [2021-11-17 12:55:37,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1702 states and 2256 transitions. [2021-11-17 12:55:37,478 INFO L78 Accepts]: Start accepts. Automaton has 1702 states and 2256 transitions. Word has length 88 [2021-11-17 12:55:37,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:55:37,479 INFO L470 AbstractCegarLoop]: Abstraction has 1702 states and 2256 transitions. [2021-11-17 12:55:37,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-17 12:55:37,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2256 transitions. [2021-11-17 12:55:37,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-17 12:55:37,484 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:55:37,484 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-17 12:55:37,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 12:55:37,485 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:55:37,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:55:37,485 INFO L85 PathProgramCache]: Analyzing trace with hash -2131206643, now seen corresponding path program 1 times [2021-11-17 12:55:37,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:55:37,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381531558] [2021-11-17 12:55:37,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:55:37,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:55:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:55:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:55:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:55:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:55:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:55:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:55:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:55:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:55:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:55:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:55:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:55:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:55:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:55:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:55:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:55:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:37,789 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-17 12:55:37,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:55:37,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381531558] [2021-11-17 12:55:37,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381531558] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:55:37,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:55:37,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:55:37,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295089511] [2021-11-17 12:55:37,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:55:37,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:55:37,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:55:37,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:55:37,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:55:37,792 INFO L87 Difference]: Start difference. First operand 1702 states and 2256 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 12:55:43,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:55:43,473 INFO L93 Difference]: Finished difference Result 4649 states and 6208 transitions. [2021-11-17 12:55:43,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 12:55:43,473 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2021-11-17 12:55:43,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:55:43,489 INFO L225 Difference]: With dead ends: 4649 [2021-11-17 12:55:43,489 INFO L226 Difference]: Without dead ends: 2968 [2021-11-17 12:55:43,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 12:55:43,497 INFO L933 BasicCegarLoop]: 2529 mSDtfsCounter, 5497 mSDsluCounter, 1500 mSDsCounter, 0 mSdLazyCounter, 3610 mSolverCounterSat, 4035 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5645 SdHoareTripleChecker+Valid, 4029 SdHoareTripleChecker+Invalid, 7645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4035 IncrementalHoareTripleChecker+Valid, 3610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-11-17 12:55:43,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5645 Valid, 4029 Invalid, 7645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4035 Valid, 3610 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2021-11-17 12:55:43,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2968 states. [2021-11-17 12:55:43,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2968 to 2815. [2021-11-17 12:55:43,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2815 states, 1858 states have (on average 1.2217438105489773) internal successors, (2270), 1946 states have internal predecessors, (2270), 744 states have call successors, (744), 190 states have call predecessors, (744), 189 states have return successors, (742), 737 states have call predecessors, (742), 742 states have call successors, (742) [2021-11-17 12:55:43,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 3756 transitions. [2021-11-17 12:55:43,642 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 3756 transitions. Word has length 111 [2021-11-17 12:55:43,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:55:43,642 INFO L470 AbstractCegarLoop]: Abstraction has 2815 states and 3756 transitions. [2021-11-17 12:55:43,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 12:55:43,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3756 transitions. [2021-11-17 12:55:43,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-17 12:55:43,643 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:55:43,644 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:55:43,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 12:55:43,644 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:55:43,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:55:43,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1112086907, now seen corresponding path program 1 times [2021-11-17 12:55:43,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:55:43,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982209321] [2021-11-17 12:55:43,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:55:43,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:55:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:43,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:55:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:43,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:55:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:43,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:55:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:43,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:55:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:43,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:55:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:43,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:55:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:43,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:43,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:55:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:43,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:55:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:43,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:55:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:43,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:55:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:43,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:55:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:43,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:55:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:43,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:55:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:55:43,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:55:43,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982209321] [2021-11-17 12:55:43,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982209321] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:55:43,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:55:43,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:55:43,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619263196] [2021-11-17 12:55:43,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:55:43,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:55:43,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:55:43,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:55:43,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:55:43,827 INFO L87 Difference]: Start difference. First operand 2815 states and 3756 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 12:55:46,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:55:46,948 INFO L93 Difference]: Finished difference Result 2815 states and 3756 transitions. [2021-11-17 12:55:46,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:55:46,951 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 94 [2021-11-17 12:55:46,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:55:46,963 INFO L225 Difference]: With dead ends: 2815 [2021-11-17 12:55:46,963 INFO L226 Difference]: Without dead ends: 2813 [2021-11-17 12:55:46,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:55:46,966 INFO L933 BasicCegarLoop]: 1949 mSDtfsCounter, 3519 mSDsluCounter, 1601 mSDsCounter, 0 mSdLazyCounter, 1920 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3652 SdHoareTripleChecker+Valid, 3550 SdHoareTripleChecker+Invalid, 4032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-17 12:55:46,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3652 Valid, 3550 Invalid, 4032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1920 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-17 12:55:46,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-11-17 12:55:47,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2813. [2021-11-17 12:55:47,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 1857 states have (on average 1.2213247172859452) internal successors, (2268), 1944 states have internal predecessors, (2268), 744 states have call successors, (744), 190 states have call predecessors, (744), 189 states have return successors, (742), 737 states have call predecessors, (742), 742 states have call successors, (742) [2021-11-17 12:55:47,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3754 transitions. [2021-11-17 12:55:47,094 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3754 transitions. Word has length 94 [2021-11-17 12:55:47,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:55:47,094 INFO L470 AbstractCegarLoop]: Abstraction has 2813 states and 3754 transitions. [2021-11-17 12:55:47,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 12:55:47,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3754 transitions. [2021-11-17 12:55:47,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-17 12:55:47,097 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:55:47,097 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-17 12:55:47,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 12:55:47,098 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:55:47,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:55:47,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1125098532, now seen corresponding path program 1 times [2021-11-17 12:55:47,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:55:47,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660897986] [2021-11-17 12:55:47,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:55:47,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:55:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:55:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:55:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:55:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:55:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:55:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:55:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:55:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:55:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:55:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:55:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:55:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:55:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:55:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:55:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:55:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 12:55:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,330 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-17 12:55:47,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:55:47,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660897986] [2021-11-17 12:55:47,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660897986] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 12:55:47,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189747961] [2021-11-17 12:55:47,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:55:47,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 12:55:47,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 12:55:47,332 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 12:55:47,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 12:55:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:47,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 1762 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 12:55:47,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 12:55:48,067 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-17 12:55:48,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 12:55:48,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189747961] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:55:48,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 12:55:48,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-11-17 12:55:48,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593047949] [2021-11-17 12:55:48,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:55:48,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 12:55:48,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:55:48,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 12:55:48,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:55:48,070 INFO L87 Difference]: Start difference. First operand 2813 states and 3754 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-17 12:55:48,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:55:48,186 INFO L93 Difference]: Finished difference Result 5601 states and 7473 transitions. [2021-11-17 12:55:48,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 12:55:48,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 117 [2021-11-17 12:55:48,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:55:48,201 INFO L225 Difference]: With dead ends: 5601 [2021-11-17 12:55:48,202 INFO L226 Difference]: Without dead ends: 2809 [2021-11-17 12:55:48,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:55:48,213 INFO L933 BasicCegarLoop]: 2248 mSDtfsCounter, 2231 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2231 SdHoareTripleChecker+Valid, 2248 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 12:55:48,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2231 Valid, 2248 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 12:55:48,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2809 states. [2021-11-17 12:55:48,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2809 to 2809. [2021-11-17 12:55:48,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2809 states, 1854 states have (on average 1.220604099244876) internal successors, (2263), 1940 states have internal predecessors, (2263), 744 states have call successors, (744), 190 states have call predecessors, (744), 189 states have return successors, (742), 737 states have call predecessors, (742), 742 states have call successors, (742) [2021-11-17 12:55:48,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 2809 states and 3749 transitions. [2021-11-17 12:55:48,396 INFO L78 Accepts]: Start accepts. Automaton has 2809 states and 3749 transitions. Word has length 117 [2021-11-17 12:55:48,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:55:48,396 INFO L470 AbstractCegarLoop]: Abstraction has 2809 states and 3749 transitions. [2021-11-17 12:55:48,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-17 12:55:48,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 3749 transitions. [2021-11-17 12:55:48,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-17 12:55:48,400 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:55:48,401 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:55:48,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 12:55:48,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 12:55:48,602 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:55:48,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:55:48,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1410938663, now seen corresponding path program 1 times [2021-11-17 12:55:48,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:55:48,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454217413] [2021-11-17 12:55:48,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:55:48,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:55:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:48,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:55:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:48,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:55:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:48,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:55:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:48,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:55:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:48,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:55:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:48,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:55:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:48,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:48,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:55:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:48,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:55:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:48,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:55:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:48,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:55:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:48,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:55:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:48,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:55:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:48,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:55:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:48,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:55:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:48,846 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:55:48,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:55:48,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454217413] [2021-11-17 12:55:48,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454217413] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:55:48,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:55:48,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:55:48,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282953640] [2021-11-17 12:55:48,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:55:48,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:55:48,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:55:48,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:55:48,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:55:48,849 INFO L87 Difference]: Start difference. First operand 2809 states and 3749 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 12:55:52,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:55:52,295 INFO L93 Difference]: Finished difference Result 2809 states and 3749 transitions. [2021-11-17 12:55:52,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:55:52,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 100 [2021-11-17 12:55:52,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:55:52,305 INFO L225 Difference]: With dead ends: 2809 [2021-11-17 12:55:52,306 INFO L226 Difference]: Without dead ends: 2807 [2021-11-17 12:55:52,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:55:52,307 INFO L933 BasicCegarLoop]: 1942 mSDtfsCounter, 3508 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1917 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3640 SdHoareTripleChecker+Valid, 3529 SdHoareTripleChecker+Invalid, 4029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:55:52,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3640 Valid, 3529 Invalid, 4029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1917 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-17 12:55:52,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2807 states. [2021-11-17 12:55:52,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2807 to 2807. [2021-11-17 12:55:52,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2807 states, 1853 states have (on average 1.2201834862385321) internal successors, (2261), 1938 states have internal predecessors, (2261), 744 states have call successors, (744), 190 states have call predecessors, (744), 189 states have return successors, (742), 737 states have call predecessors, (742), 742 states have call successors, (742) [2021-11-17 12:55:52,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 3747 transitions. [2021-11-17 12:55:52,408 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 3747 transitions. Word has length 100 [2021-11-17 12:55:52,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:55:52,408 INFO L470 AbstractCegarLoop]: Abstraction has 2807 states and 3747 transitions. [2021-11-17 12:55:52,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 12:55:52,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 3747 transitions. [2021-11-17 12:55:52,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-17 12:55:52,409 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:55:52,409 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:55:52,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 12:55:52,410 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:55:52,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:55:52,410 INFO L85 PathProgramCache]: Analyzing trace with hash -887060632, now seen corresponding path program 1 times [2021-11-17 12:55:52,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:55:52,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398104608] [2021-11-17 12:55:52,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:55:52,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:55:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:52,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:55:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:52,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:55:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:52,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:55:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:52,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:55:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:52,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:55:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:52,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:55:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:52,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:52,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:55:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:52,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:55:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:52,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:55:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:52,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:55:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:52,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:55:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:52,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:55:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:52,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:55:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:52,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:55:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:52,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:55:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:52,605 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:55:52,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:55:52,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398104608] [2021-11-17 12:55:52,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398104608] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:55:52,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:55:52,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:55:52,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868515165] [2021-11-17 12:55:52,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:55:52,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:55:52,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:55:52,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:55:52,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:55:52,607 INFO L87 Difference]: Start difference. First operand 2807 states and 3747 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 12:55:56,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:55:56,017 INFO L93 Difference]: Finished difference Result 2807 states and 3747 transitions. [2021-11-17 12:55:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:55:56,018 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106 [2021-11-17 12:55:56,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:55:56,031 INFO L225 Difference]: With dead ends: 2807 [2021-11-17 12:55:56,031 INFO L226 Difference]: Without dead ends: 2805 [2021-11-17 12:55:56,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:55:56,034 INFO L933 BasicCegarLoop]: 1940 mSDtfsCounter, 3506 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1911 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3637 SdHoareTripleChecker+Valid, 3527 SdHoareTripleChecker+Invalid, 4023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:55:56,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3637 Valid, 3527 Invalid, 4023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1911 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-17 12:55:56,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2805 states. [2021-11-17 12:55:56,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2805 to 2805. [2021-11-17 12:55:56,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2805 states, 1852 states have (on average 1.2197624190064795) internal successors, (2259), 1936 states have internal predecessors, (2259), 744 states have call successors, (744), 190 states have call predecessors, (744), 189 states have return successors, (742), 737 states have call predecessors, (742), 742 states have call successors, (742) [2021-11-17 12:55:56,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2805 states to 2805 states and 3745 transitions. [2021-11-17 12:55:56,161 INFO L78 Accepts]: Start accepts. Automaton has 2805 states and 3745 transitions. Word has length 106 [2021-11-17 12:55:56,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:55:56,162 INFO L470 AbstractCegarLoop]: Abstraction has 2805 states and 3745 transitions. [2021-11-17 12:55:56,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 12:55:56,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2805 states and 3745 transitions. [2021-11-17 12:55:56,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-17 12:55:56,163 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:55:56,163 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:55:56,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 12:55:56,164 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:55:56,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:55:56,164 INFO L85 PathProgramCache]: Analyzing trace with hash -2061582069, now seen corresponding path program 1 times [2021-11-17 12:55:56,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:55:56,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642689031] [2021-11-17 12:55:56,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:55:56,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:55:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:56,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:55:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:56,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:55:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:56,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:55:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:56,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:55:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:56,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:55:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:56,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:55:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:56,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:56,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:55:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:56,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:55:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:56,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:55:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:56,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:55:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:56,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:55:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:56,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:55:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:56,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:55:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:56,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:55:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:56,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:55:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:56,334 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:55:56,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:55:56,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642689031] [2021-11-17 12:55:56,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642689031] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:55:56,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:55:56,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:55:56,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593183496] [2021-11-17 12:55:56,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:55:56,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:55:56,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:55:56,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:55:56,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:55:56,336 INFO L87 Difference]: Start difference. First operand 2805 states and 3745 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 12:55:59,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:55:59,650 INFO L93 Difference]: Finished difference Result 2805 states and 3745 transitions. [2021-11-17 12:55:59,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:55:59,651 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 108 [2021-11-17 12:55:59,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:55:59,665 INFO L225 Difference]: With dead ends: 2805 [2021-11-17 12:55:59,665 INFO L226 Difference]: Without dead ends: 2803 [2021-11-17 12:55:59,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:55:59,668 INFO L933 BasicCegarLoop]: 1938 mSDtfsCounter, 3494 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1913 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3625 SdHoareTripleChecker+Valid, 3525 SdHoareTripleChecker+Invalid, 4025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-17 12:55:59,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3625 Valid, 3525 Invalid, 4025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1913 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-17 12:55:59,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2021-11-17 12:55:59,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 2803. [2021-11-17 12:55:59,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2803 states, 1851 states have (on average 1.2193408968125337) internal successors, (2257), 1934 states have internal predecessors, (2257), 744 states have call successors, (744), 190 states have call predecessors, (744), 189 states have return successors, (742), 737 states have call predecessors, (742), 742 states have call successors, (742) [2021-11-17 12:55:59,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2803 states and 3743 transitions. [2021-11-17 12:55:59,794 INFO L78 Accepts]: Start accepts. Automaton has 2803 states and 3743 transitions. Word has length 108 [2021-11-17 12:55:59,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:55:59,795 INFO L470 AbstractCegarLoop]: Abstraction has 2803 states and 3743 transitions. [2021-11-17 12:55:59,795 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, (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) [2021-11-17 12:55:59,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 3743 transitions. [2021-11-17 12:55:59,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-17 12:55:59,797 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:55:59,797 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:55:59,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 12:55:59,797 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:55:59,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:55:59,798 INFO L85 PathProgramCache]: Analyzing trace with hash -873942938, now seen corresponding path program 1 times [2021-11-17 12:55:59,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:55:59,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217159314] [2021-11-17 12:55:59,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:55:59,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:55:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:59,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:55:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:59,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:55:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:59,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:55:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:59,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:55:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:59,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:55:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:59,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:55:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:59,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:59,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:55:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:59,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:55:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:59,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:55:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:59,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:55:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:59,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:55:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:59,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:55:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:59,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:55:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:59,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:55:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:59,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:55:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:59,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:55:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:59,998 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:55:59,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:55:59,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217159314] [2021-11-17 12:55:59,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217159314] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:55:59,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:55:59,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:55:59,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318898885] [2021-11-17 12:55:59,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:55:59,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:55:59,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:55:59,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:56:00,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:56:00,000 INFO L87 Difference]: Start difference. First operand 2803 states and 3743 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 12:56:03,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:56:03,566 INFO L93 Difference]: Finished difference Result 2803 states and 3743 transitions. [2021-11-17 12:56:03,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:56:03,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 114 [2021-11-17 12:56:03,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:56:03,578 INFO L225 Difference]: With dead ends: 2803 [2021-11-17 12:56:03,579 INFO L226 Difference]: Without dead ends: 2801 [2021-11-17 12:56:03,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:56:03,581 INFO L933 BasicCegarLoop]: 1936 mSDtfsCounter, 3490 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1911 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3620 SdHoareTripleChecker+Valid, 3523 SdHoareTripleChecker+Invalid, 4023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-17 12:56:03,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3620 Valid, 3523 Invalid, 4023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1911 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-17 12:56:03,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2021-11-17 12:56:03,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2801. [2021-11-17 12:56:03,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2801 states, 1850 states have (on average 1.218918918918919) internal successors, (2255), 1932 states have internal predecessors, (2255), 744 states have call successors, (744), 190 states have call predecessors, (744), 189 states have return successors, (742), 737 states have call predecessors, (742), 742 states have call successors, (742) [2021-11-17 12:56:03,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3741 transitions. [2021-11-17 12:56:03,743 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3741 transitions. Word has length 114 [2021-11-17 12:56:03,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:56:03,743 INFO L470 AbstractCegarLoop]: Abstraction has 2801 states and 3741 transitions. [2021-11-17 12:56:03,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 12:56:03,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3741 transitions. [2021-11-17 12:56:03,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-17 12:56:03,747 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:56:03,747 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:56:03,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 12:56:03,747 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:56:03,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:56:03,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1163249, now seen corresponding path program 1 times [2021-11-17 12:56:03,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:56:03,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334626898] [2021-11-17 12:56:03,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:56:03,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:56:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:56:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:56:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:56:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:56:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:56:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:56:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:56:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:56:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:56:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:56:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:56:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:56:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:56:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:56:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:56:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:56:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:03,942 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:56:03,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:56:03,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334626898] [2021-11-17 12:56:03,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334626898] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:56:03,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:56:03,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:56:03,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276085375] [2021-11-17 12:56:03,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:56:03,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:56:03,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:56:03,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:56:03,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:56:03,944 INFO L87 Difference]: Start difference. First operand 2801 states and 3741 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 12:56:07,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:56:07,333 INFO L93 Difference]: Finished difference Result 2801 states and 3741 transitions. [2021-11-17 12:56:07,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:56:07,333 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 120 [2021-11-17 12:56:07,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:56:07,344 INFO L225 Difference]: With dead ends: 2801 [2021-11-17 12:56:07,345 INFO L226 Difference]: Without dead ends: 2799 [2021-11-17 12:56:07,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:56:07,347 INFO L933 BasicCegarLoop]: 1934 mSDtfsCounter, 3484 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1909 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3613 SdHoareTripleChecker+Valid, 3521 SdHoareTripleChecker+Invalid, 4021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-17 12:56:07,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3613 Valid, 3521 Invalid, 4021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1909 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-17 12:56:07,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2799 states. [2021-11-17 12:56:07,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2799 to 2799. [2021-11-17 12:56:07,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2799 states, 1849 states have (on average 1.218496484586263) internal successors, (2253), 1930 states have internal predecessors, (2253), 744 states have call successors, (744), 190 states have call predecessors, (744), 189 states have return successors, (742), 737 states have call predecessors, (742), 742 states have call successors, (742) [2021-11-17 12:56:07,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 3739 transitions. [2021-11-17 12:56:07,458 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 3739 transitions. Word has length 120 [2021-11-17 12:56:07,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:56:07,458 INFO L470 AbstractCegarLoop]: Abstraction has 2799 states and 3739 transitions. [2021-11-17 12:56:07,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 12:56:07,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3739 transitions. [2021-11-17 12:56:07,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-17 12:56:07,460 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:56:07,460 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:56:07,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 12:56:07,460 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:56:07,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:56:07,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1777820165, now seen corresponding path program 1 times [2021-11-17 12:56:07,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:56:07,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173816808] [2021-11-17 12:56:07,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:56:07,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:56:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:56:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:56:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:56:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:56:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:56:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:56:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:56:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:56:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:56:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:56:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:56:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:56:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:56:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:56:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:56:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:56:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:56:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:56:07,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:56:07,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173816808] [2021-11-17 12:56:07,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173816808] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:56:07,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:56:07,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:56:07,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931249486] [2021-11-17 12:56:07,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:56:07,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:56:07,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:56:07,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:56:07,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:56:07,659 INFO L87 Difference]: Start difference. First operand 2799 states and 3739 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 12:56:11,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:56:11,448 INFO L93 Difference]: Finished difference Result 2799 states and 3739 transitions. [2021-11-17 12:56:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:56:11,448 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 126 [2021-11-17 12:56:11,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:56:11,464 INFO L225 Difference]: With dead ends: 2799 [2021-11-17 12:56:11,464 INFO L226 Difference]: Without dead ends: 2797 [2021-11-17 12:56:11,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:56:11,466 INFO L933 BasicCegarLoop]: 1932 mSDtfsCounter, 3478 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1907 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3606 SdHoareTripleChecker+Valid, 3519 SdHoareTripleChecker+Invalid, 4019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-17 12:56:11,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3606 Valid, 3519 Invalid, 4019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1907 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-17 12:56:11,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2021-11-17 12:56:11,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 2797. [2021-11-17 12:56:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2797 states, 1848 states have (on average 1.218073593073593) internal successors, (2251), 1928 states have internal predecessors, (2251), 744 states have call successors, (744), 190 states have call predecessors, (744), 189 states have return successors, (742), 737 states have call predecessors, (742), 742 states have call successors, (742) [2021-11-17 12:56:11,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 2797 states and 3737 transitions. [2021-11-17 12:56:11,588 INFO L78 Accepts]: Start accepts. Automaton has 2797 states and 3737 transitions. Word has length 126 [2021-11-17 12:56:11,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:56:11,589 INFO L470 AbstractCegarLoop]: Abstraction has 2797 states and 3737 transitions. [2021-11-17 12:56:11,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 12:56:11,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2797 states and 3737 transitions. [2021-11-17 12:56:11,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-17 12:56:11,591 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:56:11,591 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:56:11,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 12:56:11,591 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:56:11,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:56:11,592 INFO L85 PathProgramCache]: Analyzing trace with hash -326885421, now seen corresponding path program 1 times [2021-11-17 12:56:11,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:56:11,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5616074] [2021-11-17 12:56:11,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:56:11,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:56:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:56:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:56:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:56:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:56:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:56:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:56:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:56:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:56:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:56:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:56:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:56:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:56:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:56:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:56:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:56:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:56:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:56:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:56:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:56:11,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:56:11,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5616074] [2021-11-17 12:56:11,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5616074] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:56:11,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:56:11,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:56:11,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747365410] [2021-11-17 12:56:11,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:56:11,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:56:11,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:56:11,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:56:11,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:56:11,860 INFO L87 Difference]: Start difference. First operand 2797 states and 3737 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 12:56:15,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:56:15,197 INFO L93 Difference]: Finished difference Result 2797 states and 3737 transitions. [2021-11-17 12:56:15,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:56:15,198 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 132 [2021-11-17 12:56:15,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:56:15,212 INFO L225 Difference]: With dead ends: 2797 [2021-11-17 12:56:15,212 INFO L226 Difference]: Without dead ends: 2795 [2021-11-17 12:56:15,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:56:15,216 INFO L933 BasicCegarLoop]: 1930 mSDtfsCounter, 3472 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1905 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 3517 SdHoareTripleChecker+Invalid, 4017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-17 12:56:15,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3599 Valid, 3517 Invalid, 4017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1905 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-17 12:56:15,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2795 states. [2021-11-17 12:56:15,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2795 to 2795. [2021-11-17 12:56:15,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2795 states, 1847 states have (on average 1.2176502436383325) internal successors, (2249), 1926 states have internal predecessors, (2249), 744 states have call successors, (744), 190 states have call predecessors, (744), 189 states have return successors, (742), 737 states have call predecessors, (742), 742 states have call successors, (742) [2021-11-17 12:56:15,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 2795 states and 3735 transitions. [2021-11-17 12:56:15,407 INFO L78 Accepts]: Start accepts. Automaton has 2795 states and 3735 transitions. Word has length 132 [2021-11-17 12:56:15,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:56:15,408 INFO L470 AbstractCegarLoop]: Abstraction has 2795 states and 3735 transitions. [2021-11-17 12:56:15,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 12:56:15,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2795 states and 3735 transitions. [2021-11-17 12:56:15,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-17 12:56:15,410 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:56:15,410 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:56:15,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-17 12:56:15,410 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:56:15,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:56:15,411 INFO L85 PathProgramCache]: Analyzing trace with hash -941813106, now seen corresponding path program 1 times [2021-11-17 12:56:15,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:56:15,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335012024] [2021-11-17 12:56:15,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:56:15,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:56:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:56:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:56:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:56:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:56:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:56:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:56:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:56:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:56:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:56:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:56:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:56:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:56:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:56:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:56:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:56:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:56:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:56:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:56:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 12:56:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:15,648 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:56:15,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:56:15,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335012024] [2021-11-17 12:56:15,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335012024] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:56:15,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:56:15,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:56:15,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187438485] [2021-11-17 12:56:15,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:56:15,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:56:15,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:56:15,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:56:15,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:56:15,650 INFO L87 Difference]: Start difference. First operand 2795 states and 3735 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 12:56:19,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:56:19,179 INFO L93 Difference]: Finished difference Result 2795 states and 3735 transitions. [2021-11-17 12:56:19,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:56:19,180 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2021-11-17 12:56:19,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:56:19,186 INFO L225 Difference]: With dead ends: 2795 [2021-11-17 12:56:19,186 INFO L226 Difference]: Without dead ends: 2793 [2021-11-17 12:56:19,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:56:19,187 INFO L933 BasicCegarLoop]: 1928 mSDtfsCounter, 3466 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1903 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3592 SdHoareTripleChecker+Valid, 3515 SdHoareTripleChecker+Invalid, 4015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-17 12:56:19,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3592 Valid, 3515 Invalid, 4015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1903 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-17 12:56:19,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2793 states. [2021-11-17 12:56:19,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2793 to 2793. [2021-11-17 12:56:19,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2793 states, 1846 states have (on average 1.2172264355362947) internal successors, (2247), 1924 states have internal predecessors, (2247), 744 states have call successors, (744), 190 states have call predecessors, (744), 189 states have return successors, (742), 737 states have call predecessors, (742), 742 states have call successors, (742) [2021-11-17 12:56:19,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2793 states and 3733 transitions. [2021-11-17 12:56:19,297 INFO L78 Accepts]: Start accepts. Automaton has 2793 states and 3733 transitions. Word has length 138 [2021-11-17 12:56:19,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:56:19,297 INFO L470 AbstractCegarLoop]: Abstraction has 2793 states and 3733 transitions. [2021-11-17 12:56:19,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 12:56:19,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2793 states and 3733 transitions. [2021-11-17 12:56:19,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-17 12:56:19,299 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:56:19,299 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:56:19,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-17 12:56:19,299 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:56:19,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:56:19,300 INFO L85 PathProgramCache]: Analyzing trace with hash -701219330, now seen corresponding path program 1 times [2021-11-17 12:56:19,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:56:19,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974764357] [2021-11-17 12:56:19,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:56:19,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:56:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:56:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:56:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:56:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:56:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:56:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:56:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:56:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:56:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:56:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:56:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:56:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:56:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:56:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:56:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:56:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:56:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:56:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:56:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 12:56:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 12:56:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,471 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:56:19,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:56:19,472 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974764357] [2021-11-17 12:56:19,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974764357] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:56:19,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:56:19,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:56:19,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597308782] [2021-11-17 12:56:19,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:56:19,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:56:19,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:56:19,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:56:19,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:56:19,474 INFO L87 Difference]: Start difference. First operand 2793 states and 3733 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 12:56:22,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:56:22,877 INFO L93 Difference]: Finished difference Result 2793 states and 3733 transitions. [2021-11-17 12:56:22,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:56:22,877 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 144 [2021-11-17 12:56:22,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:56:22,885 INFO L225 Difference]: With dead ends: 2793 [2021-11-17 12:56:22,885 INFO L226 Difference]: Without dead ends: 2791 [2021-11-17 12:56:22,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:56:22,886 INFO L933 BasicCegarLoop]: 1926 mSDtfsCounter, 3460 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1901 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3585 SdHoareTripleChecker+Valid, 3513 SdHoareTripleChecker+Invalid, 4013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:56:22,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3585 Valid, 3513 Invalid, 4013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1901 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-17 12:56:22,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2791 states. [2021-11-17 12:56:22,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2791 to 2791. [2021-11-17 12:56:22,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2791 states, 1845 states have (on average 1.2168021680216803) internal successors, (2245), 1922 states have internal predecessors, (2245), 744 states have call successors, (744), 190 states have call predecessors, (744), 189 states have return successors, (742), 737 states have call predecessors, (742), 742 states have call successors, (742) [2021-11-17 12:56:23,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3731 transitions. [2021-11-17 12:56:23,009 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3731 transitions. Word has length 144 [2021-11-17 12:56:23,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:56:23,010 INFO L470 AbstractCegarLoop]: Abstraction has 2791 states and 3731 transitions. [2021-11-17 12:56:23,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 12:56:23,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3731 transitions. [2021-11-17 12:56:23,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-17 12:56:23,012 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:56:23,012 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:56:23,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-17 12:56:23,012 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:56:23,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:56:23,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1907821690, now seen corresponding path program 1 times [2021-11-17 12:56:23,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:56:23,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093239388] [2021-11-17 12:56:23,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:56:23,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:56:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:56:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:56:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:56:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:56:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:56:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:56:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:56:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:56:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:56:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:56:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:56:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:56:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:56:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:56:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:56:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:56:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:56:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:56:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 12:56:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 12:56:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 12:56:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:23,214 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:56:23,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:56:23,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093239388] [2021-11-17 12:56:23,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093239388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:56:23,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:56:23,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:56:23,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580593833] [2021-11-17 12:56:23,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:56:23,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:56:23,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:56:23,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:56:23,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:56:23,217 INFO L87 Difference]: Start difference. First operand 2791 states and 3731 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 12:56:26,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:56:26,712 INFO L93 Difference]: Finished difference Result 2791 states and 3731 transitions. [2021-11-17 12:56:26,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:56:26,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 150 [2021-11-17 12:56:26,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:56:26,721 INFO L225 Difference]: With dead ends: 2791 [2021-11-17 12:56:26,722 INFO L226 Difference]: Without dead ends: 2789 [2021-11-17 12:56:26,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:56:26,724 INFO L933 BasicCegarLoop]: 1924 mSDtfsCounter, 3454 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1899 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3578 SdHoareTripleChecker+Valid, 3511 SdHoareTripleChecker+Invalid, 4011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-17 12:56:26,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3578 Valid, 3511 Invalid, 4011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1899 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-17 12:56:26,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2789 states. [2021-11-17 12:56:26,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2789 to 2789. [2021-11-17 12:56:26,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2789 states, 1844 states have (on average 1.2163774403470715) internal successors, (2243), 1920 states have internal predecessors, (2243), 744 states have call successors, (744), 190 states have call predecessors, (744), 189 states have return successors, (742), 737 states have call predecessors, (742), 742 states have call successors, (742) [2021-11-17 12:56:26,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2789 states to 2789 states and 3729 transitions. [2021-11-17 12:56:26,854 INFO L78 Accepts]: Start accepts. Automaton has 2789 states and 3729 transitions. Word has length 150 [2021-11-17 12:56:26,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:56:26,854 INFO L470 AbstractCegarLoop]: Abstraction has 2789 states and 3729 transitions. [2021-11-17 12:56:26,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 12:56:26,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2789 states and 3729 transitions. [2021-11-17 12:56:26,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-17 12:56:26,856 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:56:26,856 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:56:26,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-17 12:56:26,857 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:56:26,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:56:26,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1651029323, now seen corresponding path program 1 times [2021-11-17 12:56:26,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:56:26,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685510360] [2021-11-17 12:56:26,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:56:26,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:56:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:26,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:56:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:26,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:56:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:26,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:26,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:56:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:26,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:56:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:26,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:56:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:26,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:26,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:56:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:26,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:56:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:26,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:56:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:26,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:56:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:26,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:56:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:26,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:56:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:27,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:56:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:56:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:27,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:56:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:27,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:56:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:27,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:56:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:27,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:56:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:27,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:56:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:27,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 12:56:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:27,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 12:56:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:27,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 12:56:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:27,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 12:56:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:27,051 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:56:27,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:56:27,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685510360] [2021-11-17 12:56:27,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685510360] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:56:27,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:56:27,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:56:27,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700063642] [2021-11-17 12:56:27,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:56:27,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:56:27,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:56:27,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:56:27,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:56:27,054 INFO L87 Difference]: Start difference. First operand 2789 states and 3729 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 12:56:30,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:56:30,232 INFO L93 Difference]: Finished difference Result 2789 states and 3729 transitions. [2021-11-17 12:56:30,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:56:30,232 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 156 [2021-11-17 12:56:30,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:56:30,241 INFO L225 Difference]: With dead ends: 2789 [2021-11-17 12:56:30,242 INFO L226 Difference]: Without dead ends: 2787 [2021-11-17 12:56:30,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:56:30,244 INFO L933 BasicCegarLoop]: 1922 mSDtfsCounter, 3448 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1897 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3571 SdHoareTripleChecker+Valid, 3509 SdHoareTripleChecker+Invalid, 4009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-17 12:56:30,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3571 Valid, 3509 Invalid, 4009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1897 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-17 12:56:30,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2787 states. [2021-11-17 12:56:30,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2787 to 2787. [2021-11-17 12:56:30,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2787 states, 1843 states have (on average 1.2159522517634291) internal successors, (2241), 1918 states have internal predecessors, (2241), 744 states have call successors, (744), 190 states have call predecessors, (744), 189 states have return successors, (742), 737 states have call predecessors, (742), 742 states have call successors, (742) [2021-11-17 12:56:30,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2787 states and 3727 transitions. [2021-11-17 12:56:30,399 INFO L78 Accepts]: Start accepts. Automaton has 2787 states and 3727 transitions. Word has length 156 [2021-11-17 12:56:30,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:56:30,399 INFO L470 AbstractCegarLoop]: Abstraction has 2787 states and 3727 transitions. [2021-11-17 12:56:30,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 12:56:30,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 3727 transitions. [2021-11-17 12:56:30,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-17 12:56:30,401 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:56:30,401 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:56:30,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-17 12:56:30,402 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:56:30,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:56:30,402 INFO L85 PathProgramCache]: Analyzing trace with hash -2147385032, now seen corresponding path program 1 times [2021-11-17 12:56:30,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:56:30,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219193075] [2021-11-17 12:56:30,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:56:30,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:56:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:56:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:56:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:56:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:56:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:56:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:56:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:56:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:56:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:56:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:56:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:56:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:56:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:56:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:56:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:56:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:56:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:56:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:56:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 12:56:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 12:56:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 12:56:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 12:56:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 12:56:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:30,625 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:56:30,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:56:30,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219193075] [2021-11-17 12:56:30,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219193075] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:56:30,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:56:30,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:56:30,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592748261] [2021-11-17 12:56:30,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:56:30,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:56:30,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:56:30,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:56:30,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:56:30,627 INFO L87 Difference]: Start difference. First operand 2787 states and 3727 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 12:56:34,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:56:34,083 INFO L93 Difference]: Finished difference Result 2787 states and 3727 transitions. [2021-11-17 12:56:34,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:56:34,084 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 162 [2021-11-17 12:56:34,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:56:34,092 INFO L225 Difference]: With dead ends: 2787 [2021-11-17 12:56:34,092 INFO L226 Difference]: Without dead ends: 2785 [2021-11-17 12:56:34,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:56:34,094 INFO L933 BasicCegarLoop]: 1920 mSDtfsCounter, 3442 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1895 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3564 SdHoareTripleChecker+Valid, 3507 SdHoareTripleChecker+Invalid, 4007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:56:34,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3564 Valid, 3507 Invalid, 4007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1895 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-17 12:56:34,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2021-11-17 12:56:34,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 2785. [2021-11-17 12:56:34,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2785 states, 1842 states have (on average 1.215526601520087) internal successors, (2239), 1916 states have internal predecessors, (2239), 744 states have call successors, (744), 190 states have call predecessors, (744), 189 states have return successors, (742), 737 states have call predecessors, (742), 742 states have call successors, (742) [2021-11-17 12:56:34,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2785 states and 3725 transitions. [2021-11-17 12:56:34,232 INFO L78 Accepts]: Start accepts. Automaton has 2785 states and 3725 transitions. Word has length 162 [2021-11-17 12:56:34,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:56:34,233 INFO L470 AbstractCegarLoop]: Abstraction has 2785 states and 3725 transitions. [2021-11-17 12:56:34,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 12:56:34,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3725 transitions. [2021-11-17 12:56:34,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-17 12:56:34,235 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:56:34,236 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:56:34,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-17 12:56:34,236 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:56:34,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:56:34,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1101968367, now seen corresponding path program 1 times [2021-11-17 12:56:34,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:56:34,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452846583] [2021-11-17 12:56:34,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:56:34,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:56:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:56:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:56:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:56:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:56:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:56:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:56:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:56:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:56:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:56:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:56:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:56:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:56:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:56:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:56:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 12:56:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 12:56:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-17 12:56:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:56:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:56:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 12:56:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 12:56:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 12:56:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 12:56:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2021-11-17 12:56:34,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:56:34,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452846583] [2021-11-17 12:56:34,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452846583] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:56:34,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:56:34,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 12:56:34,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69441255] [2021-11-17 12:56:34,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:56:34,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 12:56:34,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:56:34,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 12:56:34,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:56:34,560 INFO L87 Difference]: Start difference. First operand 2785 states and 3725 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 12:56:40,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:56:40,789 INFO L93 Difference]: Finished difference Result 2926 states and 3945 transitions. [2021-11-17 12:56:40,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 12:56:40,790 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 205 [2021-11-17 12:56:40,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:56:40,800 INFO L225 Difference]: With dead ends: 2926 [2021-11-17 12:56:40,801 INFO L226 Difference]: Without dead ends: 2924 [2021-11-17 12:56:40,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-11-17 12:56:40,804 INFO L933 BasicCegarLoop]: 1912 mSDtfsCounter, 4224 mSDsluCounter, 2872 mSDsCounter, 0 mSdLazyCounter, 3952 mSolverCounterSat, 2899 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4348 SdHoareTripleChecker+Valid, 4784 SdHoareTripleChecker+Invalid, 6851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2899 IncrementalHoareTripleChecker+Valid, 3952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-11-17 12:56:40,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4348 Valid, 4784 Invalid, 6851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2899 Valid, 3952 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2021-11-17 12:56:40,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2924 states. [2021-11-17 12:56:40,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2924 to 2783. [2021-11-17 12:56:40,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2783 states, 1841 states have (on average 1.2145573058120587) internal successors, (2236), 1914 states have internal predecessors, (2236), 744 states have call successors, (744), 190 states have call predecessors, (744), 189 states have return successors, (742), 737 states have call predecessors, (742), 742 states have call successors, (742) [2021-11-17 12:56:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2783 states to 2783 states and 3722 transitions. [2021-11-17 12:56:40,972 INFO L78 Accepts]: Start accepts. Automaton has 2783 states and 3722 transitions. Word has length 205 [2021-11-17 12:56:40,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:56:40,973 INFO L470 AbstractCegarLoop]: Abstraction has 2783 states and 3722 transitions. [2021-11-17 12:56:40,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 12:56:40,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3722 transitions. [2021-11-17 12:56:40,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-17 12:56:40,975 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:56:40,976 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:56:40,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-17 12:56:40,976 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:56:40,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:56:40,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1369875595, now seen corresponding path program 1 times [2021-11-17 12:56:40,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:56:40,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459958116] [2021-11-17 12:56:40,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:56:40,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:56:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:56:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:56:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:56:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:56:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:56:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:56:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:56:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:56:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:56:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:56:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:56:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:56:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:56:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:56:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:56:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:56:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:56:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:56:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 12:56:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 12:56:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 12:56:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 12:56:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 12:56:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 12:56:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:41,184 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:56:41,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:56:41,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459958116] [2021-11-17 12:56:41,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459958116] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:56:41,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:56:41,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:56:41,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706380759] [2021-11-17 12:56:41,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:56:41,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:56:41,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:56:41,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:56:41,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:56:41,187 INFO L87 Difference]: Start difference. First operand 2783 states and 3722 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-17 12:56:44,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:56:44,542 INFO L93 Difference]: Finished difference Result 2783 states and 3722 transitions. [2021-11-17 12:56:44,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:56:44,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2021-11-17 12:56:44,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:56:44,549 INFO L225 Difference]: With dead ends: 2783 [2021-11-17 12:56:44,549 INFO L226 Difference]: Without dead ends: 2781 [2021-11-17 12:56:44,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:56:44,551 INFO L933 BasicCegarLoop]: 1916 mSDtfsCounter, 3430 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1891 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3551 SdHoareTripleChecker+Valid, 3503 SdHoareTripleChecker+Invalid, 4003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-17 12:56:44,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3551 Valid, 3503 Invalid, 4003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1891 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-17 12:56:44,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2781 states. [2021-11-17 12:56:44,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2781 to 2781. [2021-11-17 12:56:44,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2781 states, 1840 states have (on average 1.2141304347826087) internal successors, (2234), 1912 states have internal predecessors, (2234), 744 states have call successors, (744), 190 states have call predecessors, (744), 189 states have return successors, (742), 737 states have call predecessors, (742), 742 states have call successors, (742) [2021-11-17 12:56:44,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 3720 transitions. [2021-11-17 12:56:44,689 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 3720 transitions. Word has length 168 [2021-11-17 12:56:44,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:56:44,690 INFO L470 AbstractCegarLoop]: Abstraction has 2781 states and 3720 transitions. [2021-11-17 12:56:44,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-17 12:56:44,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 3720 transitions. [2021-11-17 12:56:44,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-17 12:56:44,692 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:56:44,692 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:56:44,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-17 12:56:44,693 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:56:44,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:56:44,693 INFO L85 PathProgramCache]: Analyzing trace with hash 2085443810, now seen corresponding path program 1 times [2021-11-17 12:56:44,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:56:44,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79155821] [2021-11-17 12:56:44,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:56:44,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:56:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:56:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:56:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:56:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:56:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:56:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:56:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:56:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:56:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:56:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:56:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:56:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:56:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:56:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:56:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:56:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:56:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:56:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:56:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 12:56:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 12:56:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 12:56:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 12:56:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 12:56:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 12:56:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 12:56:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,918 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:56:44,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:56:44,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79155821] [2021-11-17 12:56:44,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79155821] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:56:44,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:56:44,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:56:44,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503104467] [2021-11-17 12:56:44,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:56:44,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:56:44,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:56:44,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:56:44,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:56:44,920 INFO L87 Difference]: Start difference. First operand 2781 states and 3720 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 12:56:47,284 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:56:49,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:56:49,291 INFO L93 Difference]: Finished difference Result 2781 states and 3720 transitions. [2021-11-17 12:56:49,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:56:49,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2021-11-17 12:56:49,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:56:49,301 INFO L225 Difference]: With dead ends: 2781 [2021-11-17 12:56:49,302 INFO L226 Difference]: Without dead ends: 2779 [2021-11-17 12:56:49,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:56:49,304 INFO L933 BasicCegarLoop]: 1914 mSDtfsCounter, 3424 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1889 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3544 SdHoareTripleChecker+Valid, 3501 SdHoareTripleChecker+Invalid, 4001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-17 12:56:49,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3544 Valid, 3501 Invalid, 4001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1889 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-17 12:56:49,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2779 states. [2021-11-17 12:56:49,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2779 to 2779. [2021-11-17 12:56:49,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 1839 states have (on average 1.2137030995106035) internal successors, (2232), 1910 states have internal predecessors, (2232), 744 states have call successors, (744), 190 states have call predecessors, (744), 189 states have return successors, (742), 737 states have call predecessors, (742), 742 states have call successors, (742) [2021-11-17 12:56:49,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3718 transitions. [2021-11-17 12:56:49,461 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3718 transitions. Word has length 174 [2021-11-17 12:56:49,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:56:49,461 INFO L470 AbstractCegarLoop]: Abstraction has 2779 states and 3718 transitions. [2021-11-17 12:56:49,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 12:56:49,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3718 transitions. [2021-11-17 12:56:49,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-17 12:56:49,464 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:56:49,464 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:56:49,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-17 12:56:49,465 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:56:49,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:56:49,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1389937990, now seen corresponding path program 1 times [2021-11-17 12:56:49,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:56:49,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246938555] [2021-11-17 12:56:49,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:56:49,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:56:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:56:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:56:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:56:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:56:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:56:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:56:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:56:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:56:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:56:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:56:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:56:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:56:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:56:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:56:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 12:56:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 12:56:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-17 12:56:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:56:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:56:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 12:56:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-17 12:56:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 12:56:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:56:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:56:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:56:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:56:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:49,785 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2021-11-17 12:56:49,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:56:49,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246938555] [2021-11-17 12:56:49,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246938555] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:56:49,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:56:49,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 12:56:49,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527297311] [2021-11-17 12:56:49,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:56:49,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 12:56:49,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:56:49,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 12:56:49,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:56:49,788 INFO L87 Difference]: Start difference. First operand 2779 states and 3718 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-17 12:56:56,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:56:56,670 INFO L93 Difference]: Finished difference Result 3695 states and 4928 transitions. [2021-11-17 12:56:56,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 12:56:56,671 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 211 [2021-11-17 12:56:56,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:56:56,683 INFO L225 Difference]: With dead ends: 3695 [2021-11-17 12:56:56,684 INFO L226 Difference]: Without dead ends: 3693 [2021-11-17 12:56:56,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-11-17 12:56:56,687 INFO L933 BasicCegarLoop]: 1996 mSDtfsCounter, 4582 mSDsluCounter, 3115 mSDsCounter, 0 mSdLazyCounter, 5116 mSolverCounterSat, 3216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4705 SdHoareTripleChecker+Valid, 5111 SdHoareTripleChecker+Invalid, 8332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3216 IncrementalHoareTripleChecker+Valid, 5116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-11-17 12:56:56,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4705 Valid, 5111 Invalid, 8332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3216 Valid, 5116 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2021-11-17 12:56:56,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3693 states. [2021-11-17 12:56:56,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3693 to 3506. [2021-11-17 12:56:56,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3506 states, 2300 states have (on average 1.2065217391304348) internal successors, (2775), 2376 states have internal predecessors, (2775), 938 states have call successors, (938), 263 states have call predecessors, (938), 262 states have return successors, (936), 931 states have call predecessors, (936), 936 states have call successors, (936) [2021-11-17 12:56:56,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3506 states to 3506 states and 4649 transitions. [2021-11-17 12:56:56,869 INFO L78 Accepts]: Start accepts. Automaton has 3506 states and 4649 transitions. Word has length 211 [2021-11-17 12:56:56,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:56:56,892 INFO L470 AbstractCegarLoop]: Abstraction has 3506 states and 4649 transitions. [2021-11-17 12:56:56,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-17 12:56:56,892 INFO L276 IsEmpty]: Start isEmpty. Operand 3506 states and 4649 transitions. [2021-11-17 12:56:56,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-17 12:56:56,895 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:56:56,895 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:56:56,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-17 12:56:56,895 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:56:56,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:56:56,897 INFO L85 PathProgramCache]: Analyzing trace with hash 297115485, now seen corresponding path program 1 times [2021-11-17 12:56:56,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:56:56,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44600155] [2021-11-17 12:56:56,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:56:56,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:56:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:56:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:56:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:56:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:56:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:56:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:56:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:56:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:56:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:56:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:56:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:56:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:56:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:56:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:56:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 12:56:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 12:56:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-17 12:56:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:56:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:56:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 12:56:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 12:56:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 12:56:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 12:56:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-17 12:56:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:57,180 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2021-11-17 12:56:57,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:56:57,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44600155] [2021-11-17 12:56:57,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44600155] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:56:57,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:56:57,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 12:56:57,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897339965] [2021-11-17 12:56:57,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:56:57,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 12:56:57,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:56:57,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 12:56:57,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-17 12:56:57,182 INFO L87 Difference]: Start difference. First operand 3506 states and 4649 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (29), 7 states have call predecessors, (29), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) [2021-11-17 12:57:04,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:57:04,666 INFO L93 Difference]: Finished difference Result 3692 states and 4927 transitions. [2021-11-17 12:57:04,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 12:57:04,667 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (29), 7 states have call predecessors, (29), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) Word has length 217 [2021-11-17 12:57:04,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:57:04,675 INFO L225 Difference]: With dead ends: 3692 [2021-11-17 12:57:04,676 INFO L226 Difference]: Without dead ends: 3690 [2021-11-17 12:57:04,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-11-17 12:57:04,677 INFO L933 BasicCegarLoop]: 1905 mSDtfsCounter, 3790 mSDsluCounter, 3661 mSDsCounter, 0 mSdLazyCounter, 5818 mSolverCounterSat, 3049 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3790 SdHoareTripleChecker+Valid, 5566 SdHoareTripleChecker+Invalid, 8867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3049 IncrementalHoareTripleChecker+Valid, 5818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-11-17 12:57:04,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3790 Valid, 5566 Invalid, 8867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3049 Valid, 5818 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2021-11-17 12:57:04,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3690 states. [2021-11-17 12:57:04,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3690 to 3504. [2021-11-17 12:57:04,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3504 states, 2299 states have (on average 1.2057416267942584) internal successors, (2772), 2374 states have internal predecessors, (2772), 938 states have call successors, (938), 263 states have call predecessors, (938), 262 states have return successors, (936), 931 states have call predecessors, (936), 936 states have call successors, (936) [2021-11-17 12:57:04,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3504 states to 3504 states and 4646 transitions. [2021-11-17 12:57:04,870 INFO L78 Accepts]: Start accepts. Automaton has 3504 states and 4646 transitions. Word has length 217 [2021-11-17 12:57:04,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:57:04,871 INFO L470 AbstractCegarLoop]: Abstraction has 3504 states and 4646 transitions. [2021-11-17 12:57:04,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (29), 7 states have call predecessors, (29), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) [2021-11-17 12:57:04,871 INFO L276 IsEmpty]: Start isEmpty. Operand 3504 states and 4646 transitions. [2021-11-17 12:57:04,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-17 12:57:04,873 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:57:04,873 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:57:04,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-17 12:57:04,873 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:57:04,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:57:04,874 INFO L85 PathProgramCache]: Analyzing trace with hash -97635041, now seen corresponding path program 1 times [2021-11-17 12:57:04,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:57:04,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364305242] [2021-11-17 12:57:04,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:57:04,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:57:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:04,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:57:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:04,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:57:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:04,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:04,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:57:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:04,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:57:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:04,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:57:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:04,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:04,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:57:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:04,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:57:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:04,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:57:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:04,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:57:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:04,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:57:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:05,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:57:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:05,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:57:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:05,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:57:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:05,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:57:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:05,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:57:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:05,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:57:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:05,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:57:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:05,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:57:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:05,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 12:57:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:05,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 12:57:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:05,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 12:57:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:05,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 12:57:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:05,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 12:57:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:05,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 12:57:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:05,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 12:57:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:05,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 12:57:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:05,080 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:57:05,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:57:05,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364305242] [2021-11-17 12:57:05,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364305242] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:57:05,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:57:05,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:57:05,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551706151] [2021-11-17 12:57:05,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:57:05,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:57:05,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:57:05,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:57:05,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:57:05,083 INFO L87 Difference]: Start difference. First operand 3504 states and 4646 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-17 12:57:08,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:57:08,324 INFO L93 Difference]: Finished difference Result 3504 states and 4646 transitions. [2021-11-17 12:57:08,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:57:08,325 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 180 [2021-11-17 12:57:08,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:57:08,333 INFO L225 Difference]: With dead ends: 3504 [2021-11-17 12:57:08,333 INFO L226 Difference]: Without dead ends: 3311 [2021-11-17 12:57:08,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:57:08,335 INFO L933 BasicCegarLoop]: 1909 mSDtfsCounter, 3403 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1885 mSolverCounterSat, 2112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3522 SdHoareTripleChecker+Valid, 3496 SdHoareTripleChecker+Invalid, 3997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2112 IncrementalHoareTripleChecker+Valid, 1885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-17 12:57:08,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3522 Valid, 3496 Invalid, 3997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2112 Valid, 1885 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-17 12:57:08,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3311 states. [2021-11-17 12:57:08,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3311 to 3311. [2021-11-17 12:57:08,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3311 states, 2181 states have (on average 1.2141219624025676) internal successors, (2648), 2253 states have internal predecessors, (2648), 883 states have call successors, (883), 243 states have call predecessors, (883), 243 states have return successors, (883), 878 states have call predecessors, (883), 883 states have call successors, (883) [2021-11-17 12:57:08,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 3311 states and 4414 transitions. [2021-11-17 12:57:08,519 INFO L78 Accepts]: Start accepts. Automaton has 3311 states and 4414 transitions. Word has length 180 [2021-11-17 12:57:08,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:57:08,519 INFO L470 AbstractCegarLoop]: Abstraction has 3311 states and 4414 transitions. [2021-11-17 12:57:08,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-17 12:57:08,519 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 4414 transitions. [2021-11-17 12:57:08,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-17 12:57:08,521 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:57:08,521 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:57:08,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-17 12:57:08,522 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:57:08,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:57:08,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1341781597, now seen corresponding path program 1 times [2021-11-17 12:57:08,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:57:08,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304744212] [2021-11-17 12:57:08,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:57:08,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:57:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:57:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:57:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:57:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:57:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:57:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:57:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:57:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:57:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 12:57:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 12:57:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-17 12:57:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:57:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:57:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 12:57:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 12:57:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:57:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:57:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:57:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-17 12:57:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 12:57:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 12:57:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:08,811 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2021-11-17 12:57:08,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:57:08,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304744212] [2021-11-17 12:57:08,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304744212] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:57:08,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:57:08,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 12:57:08,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43293697] [2021-11-17 12:57:08,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:57:08,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 12:57:08,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:57:08,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 12:57:08,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 12:57:08,814 INFO L87 Difference]: Start difference. First operand 3311 states and 4414 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 12:57:13,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:57:13,406 INFO L93 Difference]: Finished difference Result 6982 states and 9404 transitions. [2021-11-17 12:57:13,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 12:57:13,407 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 227 [2021-11-17 12:57:13,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:57:13,418 INFO L225 Difference]: With dead ends: 6982 [2021-11-17 12:57:13,418 INFO L226 Difference]: Without dead ends: 3690 [2021-11-17 12:57:13,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-11-17 12:57:13,427 INFO L933 BasicCegarLoop]: 1674 mSDtfsCounter, 2653 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 2436 mSolverCounterSat, 2203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2653 SdHoareTripleChecker+Valid, 3320 SdHoareTripleChecker+Invalid, 4639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2203 IncrementalHoareTripleChecker+Valid, 2436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:57:13,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2653 Valid, 3320 Invalid, 4639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2203 Valid, 2436 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-11-17 12:57:13,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3690 states. [2021-11-17 12:57:13,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3690 to 3335. [2021-11-17 12:57:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3335 states, 2197 states have (on average 1.2143832498862084) internal successors, (2668), 2265 states have internal predecessors, (2668), 891 states have call successors, (891), 243 states have call predecessors, (891), 243 states have return successors, (891), 886 states have call predecessors, (891), 891 states have call successors, (891) [2021-11-17 12:57:13,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3335 states to 3335 states and 4450 transitions. [2021-11-17 12:57:13,655 INFO L78 Accepts]: Start accepts. Automaton has 3335 states and 4450 transitions. Word has length 227 [2021-11-17 12:57:13,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:57:13,655 INFO L470 AbstractCegarLoop]: Abstraction has 3335 states and 4450 transitions. [2021-11-17 12:57:13,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 12:57:13,655 INFO L276 IsEmpty]: Start isEmpty. Operand 3335 states and 4450 transitions. [2021-11-17 12:57:13,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-17 12:57:13,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:57:13,659 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:57:13,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-17 12:57:13,659 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:57:13,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:57:13,659 INFO L85 PathProgramCache]: Analyzing trace with hash 971115722, now seen corresponding path program 1 times [2021-11-17 12:57:13,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:57:13,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300287042] [2021-11-17 12:57:13,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:57:13,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:57:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:57:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:57:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:57:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:57:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:57:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:57:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:57:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:57:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 12:57:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 12:57:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-17 12:57:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:57:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:57:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 12:57:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 12:57:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:57:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:57:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:57:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 12:57:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-17 12:57:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 12:57:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 12:57:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 12:57:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-17 12:57:13,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:57:13,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300287042] [2021-11-17 12:57:13,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300287042] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 12:57:13,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241494725] [2021-11-17 12:57:13,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:57:13,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 12:57:13,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 12:57:13,970 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 12:57:13,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 12:57:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:14,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 2293 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-17 12:57:14,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 12:57:15,247 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2021-11-17 12:57:15,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 12:57:15,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241494725] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:57:15,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 12:57:15,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [8] total 21 [2021-11-17 12:57:15,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358199813] [2021-11-17 12:57:15,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:57:15,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-17 12:57:15,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:57:15,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-17 12:57:15,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=379, Unknown=0, NotChecked=0, Total=420 [2021-11-17 12:57:15,250 INFO L87 Difference]: Start difference. First operand 3335 states and 4450 transitions. Second operand has 15 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 6 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2021-11-17 12:57:16,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:57:16,239 INFO L93 Difference]: Finished difference Result 7119 states and 9540 transitions. [2021-11-17 12:57:16,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-17 12:57:16,240 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 6 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) Word has length 239 [2021-11-17 12:57:16,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:57:16,257 INFO L225 Difference]: With dead ends: 7119 [2021-11-17 12:57:16,257 INFO L226 Difference]: Without dead ends: 3802 [2021-11-17 12:57:16,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=160, Invalid=962, Unknown=0, NotChecked=0, Total=1122 [2021-11-17 12:57:16,268 INFO L933 BasicCegarLoop]: 2354 mSDtfsCounter, 1261 mSDsluCounter, 28902 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 31256 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 454 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-17 12:57:16,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1268 Valid, 31256 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [454 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-17 12:57:16,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3802 states. [2021-11-17 12:57:16,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3802 to 3363. [2021-11-17 12:57:16,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3363 states, 2217 states have (on average 1.2133513757329726) internal successors, (2690), 2285 states have internal predecessors, (2690), 899 states have call successors, (899), 243 states have call predecessors, (899), 243 states have return successors, (899), 893 states have call predecessors, (899), 899 states have call successors, (899) [2021-11-17 12:57:16,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3363 states to 3363 states and 4488 transitions. [2021-11-17 12:57:16,530 INFO L78 Accepts]: Start accepts. Automaton has 3363 states and 4488 transitions. Word has length 239 [2021-11-17 12:57:16,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:57:16,530 INFO L470 AbstractCegarLoop]: Abstraction has 3363 states and 4488 transitions. [2021-11-17 12:57:16,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 6 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2021-11-17 12:57:16,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3363 states and 4488 transitions. [2021-11-17 12:57:16,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-17 12:57:16,534 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:57:16,534 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:57:16,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 12:57:16,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-11-17 12:57:16,752 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:57:16,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:57:16,752 INFO L85 PathProgramCache]: Analyzing trace with hash -872520276, now seen corresponding path program 1 times [2021-11-17 12:57:16,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:57:16,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599907504] [2021-11-17 12:57:16,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:57:16,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:57:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:16,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:57:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:16,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:57:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:16,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:16,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:57:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:16,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:16,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:16,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:16,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:57:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:16,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:16,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:16,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:16,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:57:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:16,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:16,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:16,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:57:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:57:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:57:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 12:57:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 12:57:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 12:57:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:57:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 12:57:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 12:57:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 12:57:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 12:57:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 12:57:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-17 12:57:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-11-17 12:57:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 12:57:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 12:57:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 12:57:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 12:57:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:57:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:57:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:57:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 12:57:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-17 12:57:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-17 12:57:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-17 12:57:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-17 12:57:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:17,196 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-11-17 12:57:17,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:57:17,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599907504] [2021-11-17 12:57:17,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599907504] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:57:17,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:57:17,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 12:57:17,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830919936] [2021-11-17 12:57:17,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:57:17,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 12:57:17,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:57:17,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 12:57:17,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-17 12:57:17,199 INFO L87 Difference]: Start difference. First operand 3363 states and 4488 transitions. Second operand has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 5 states have internal predecessors, (134), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-17 12:57:25,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:57:25,483 INFO L93 Difference]: Finished difference Result 6962 states and 9323 transitions. [2021-11-17 12:57:25,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 12:57:25,484 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 5 states have internal predecessors, (134), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 304 [2021-11-17 12:57:25,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:57:25,498 INFO L225 Difference]: With dead ends: 6962 [2021-11-17 12:57:25,498 INFO L226 Difference]: Without dead ends: 3618 [2021-11-17 12:57:25,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-11-17 12:57:25,513 INFO L933 BasicCegarLoop]: 1739 mSDtfsCounter, 3188 mSDsluCounter, 3357 mSDsCounter, 0 mSdLazyCounter, 4937 mSolverCounterSat, 2706 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3190 SdHoareTripleChecker+Valid, 5096 SdHoareTripleChecker+Invalid, 7643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2706 IncrementalHoareTripleChecker+Valid, 4937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-11-17 12:57:25,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3190 Valid, 5096 Invalid, 7643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2706 Valid, 4937 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2021-11-17 12:57:25,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3618 states. [2021-11-17 12:57:25,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3618 to 3366. [2021-11-17 12:57:25,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3366 states, 2220 states have (on average 1.213063063063063) internal successors, (2693), 2288 states have internal predecessors, (2693), 899 states have call successors, (899), 243 states have call predecessors, (899), 243 states have return successors, (899), 893 states have call predecessors, (899), 899 states have call successors, (899) [2021-11-17 12:57:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3366 states to 3366 states and 4491 transitions. [2021-11-17 12:57:25,742 INFO L78 Accepts]: Start accepts. Automaton has 3366 states and 4491 transitions. Word has length 304 [2021-11-17 12:57:25,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:57:25,743 INFO L470 AbstractCegarLoop]: Abstraction has 3366 states and 4491 transitions. [2021-11-17 12:57:25,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 5 states have internal predecessors, (134), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-17 12:57:25,743 INFO L276 IsEmpty]: Start isEmpty. Operand 3366 states and 4491 transitions. [2021-11-17 12:57:25,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-17 12:57:25,746 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:57:25,746 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:57:25,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-17 12:57:25,746 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:57:25,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:57:25,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1125924152, now seen corresponding path program 1 times [2021-11-17 12:57:25,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:57:25,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002064300] [2021-11-17 12:57:25,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:57:25,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:57:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:57:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:57:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:57:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:57:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:57:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:57:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:57:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:57:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 12:57:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 12:57:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 12:57:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:57:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:57:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 12:57:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 12:57:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 12:57:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 12:57:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 12:57:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 12:57:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 12:57:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 12:57:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 12:57:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 12:57:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 12:57:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:57:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:57:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:57:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 12:57:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-17 12:57:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-17 12:57:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-11-17 12:57:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 12:57:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,149 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2021-11-17 12:57:26,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:57:26,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002064300] [2021-11-17 12:57:26,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002064300] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 12:57:26,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299303819] [2021-11-17 12:57:26,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:57:26,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 12:57:26,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 12:57:26,164 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 12:57:26,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-17 12:57:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:26,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 2780 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-17 12:57:26,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 12:57:27,448 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-11-17 12:57:27,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 12:57:27,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299303819] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:57:27,449 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 12:57:27,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [9] total 22 [2021-11-17 12:57:27,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858224293] [2021-11-17 12:57:27,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:57:27,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-17 12:57:27,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:57:27,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-17 12:57:27,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=418, Unknown=0, NotChecked=0, Total=462 [2021-11-17 12:57:27,450 INFO L87 Difference]: Start difference. First operand 3366 states and 4491 transitions. Second operand has 15 states, 14 states have (on average 10.142857142857142) internal successors, (142), 14 states have internal predecessors, (142), 7 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (41), 7 states have call predecessors, (41), 7 states have call successors, (41) [2021-11-17 12:57:28,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:57:28,526 INFO L93 Difference]: Finished difference Result 7597 states and 10213 transitions. [2021-11-17 12:57:28,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-17 12:57:28,527 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.142857142857142) internal successors, (142), 14 states have internal predecessors, (142), 7 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (41), 7 states have call predecessors, (41), 7 states have call successors, (41) Word has length 325 [2021-11-17 12:57:28,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:57:28,539 INFO L225 Difference]: With dead ends: 7597 [2021-11-17 12:57:28,539 INFO L226 Difference]: Without dead ends: 4249 [2021-11-17 12:57:28,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=202, Invalid=1204, Unknown=0, NotChecked=0, Total=1406 [2021-11-17 12:57:28,548 INFO L933 BasicCegarLoop]: 2407 mSDtfsCounter, 1267 mSDsluCounter, 29535 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 461 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1338 SdHoareTripleChecker+Valid, 31942 SdHoareTripleChecker+Invalid, 1116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 461 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-17 12:57:28,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1338 Valid, 31942 Invalid, 1116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [461 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-17 12:57:28,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4249 states. [2021-11-17 12:57:28,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4249 to 3361. [2021-11-17 12:57:28,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3361 states, 2218 states have (on average 1.2132551848512174) internal successors, (2691), 2286 states have internal predecessors, (2691), 896 states have call successors, (896), 243 states have call predecessors, (896), 243 states have return successors, (896), 890 states have call predecessors, (896), 896 states have call successors, (896) [2021-11-17 12:57:28,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3361 states to 3361 states and 4483 transitions. [2021-11-17 12:57:28,758 INFO L78 Accepts]: Start accepts. Automaton has 3361 states and 4483 transitions. Word has length 325 [2021-11-17 12:57:28,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:57:28,758 INFO L470 AbstractCegarLoop]: Abstraction has 3361 states and 4483 transitions. [2021-11-17 12:57:28,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.142857142857142) internal successors, (142), 14 states have internal predecessors, (142), 7 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (41), 7 states have call predecessors, (41), 7 states have call successors, (41) [2021-11-17 12:57:28,759 INFO L276 IsEmpty]: Start isEmpty. Operand 3361 states and 4483 transitions. [2021-11-17 12:57:28,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-17 12:57:28,760 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:57:28,761 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:57:28,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-17 12:57:28,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 12:57:28,975 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:57:28,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:57:28,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1987531807, now seen corresponding path program 1 times [2021-11-17 12:57:28,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:57:28,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477087234] [2021-11-17 12:57:28,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:57:28,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:57:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:57:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:57:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:57:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:57:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:57:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:57:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:57:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:57:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 12:57:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 12:57:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 12:57:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:57:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:57:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 12:57:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 12:57:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 12:57:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-17 12:57:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 12:57:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:57:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:57:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:57:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 12:57:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-17 12:57:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-11-17 12:57:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 12:57:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 12:57:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-17 12:57:29,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:57:29,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477087234] [2021-11-17 12:57:29,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477087234] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:57:29,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:57:29,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-17 12:57:29,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332171189] [2021-11-17 12:57:29,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:57:29,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-17 12:57:29,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:57:29,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-17 12:57:29,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-11-17 12:57:29,385 INFO L87 Difference]: Start difference. First operand 3361 states and 4483 transitions. Second operand has 14 states, 14 states have (on average 9.071428571428571) internal successors, (127), 11 states have internal predecessors, (127), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-17 12:57:45,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:57:45,396 INFO L93 Difference]: Finished difference Result 5886 states and 8169 transitions. [2021-11-17 12:57:45,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-11-17 12:57:45,397 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.071428571428571) internal successors, (127), 11 states have internal predecessors, (127), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 307 [2021-11-17 12:57:45,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:57:45,414 INFO L225 Difference]: With dead ends: 5886 [2021-11-17 12:57:45,414 INFO L226 Difference]: Without dead ends: 5884 [2021-11-17 12:57:45,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1489 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=853, Invalid=4259, Unknown=0, NotChecked=0, Total=5112 [2021-11-17 12:57:45,419 INFO L933 BasicCegarLoop]: 3438 mSDtfsCounter, 4744 mSDsluCounter, 23917 mSDsCounter, 0 mSdLazyCounter, 14572 mSolverCounterSat, 3956 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4979 SdHoareTripleChecker+Valid, 27355 SdHoareTripleChecker+Invalid, 18528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3956 IncrementalHoareTripleChecker+Valid, 14572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2021-11-17 12:57:45,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4979 Valid, 27355 Invalid, 18528 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3956 Valid, 14572 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2021-11-17 12:57:45,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5884 states. [2021-11-17 12:57:45,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5884 to 3370. [2021-11-17 12:57:45,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3370 states, 2227 states have (on average 1.2128423888639426) internal successors, (2701), 2294 states have internal predecessors, (2701), 896 states have call successors, (896), 243 states have call predecessors, (896), 243 states have return successors, (896), 891 states have call predecessors, (896), 896 states have call successors, (896) [2021-11-17 12:57:45,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3370 states to 3370 states and 4493 transitions. [2021-11-17 12:57:45,686 INFO L78 Accepts]: Start accepts. Automaton has 3370 states and 4493 transitions. Word has length 307 [2021-11-17 12:57:45,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:57:45,686 INFO L470 AbstractCegarLoop]: Abstraction has 3370 states and 4493 transitions. [2021-11-17 12:57:45,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.071428571428571) internal successors, (127), 11 states have internal predecessors, (127), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-17 12:57:45,687 INFO L276 IsEmpty]: Start isEmpty. Operand 3370 states and 4493 transitions. [2021-11-17 12:57:45,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-17 12:57:45,689 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:57:45,690 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:57:45,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-17 12:57:45,690 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:57:45,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:57:45,690 INFO L85 PathProgramCache]: Analyzing trace with hash -542655606, now seen corresponding path program 1 times [2021-11-17 12:57:45,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:57:45,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210919003] [2021-11-17 12:57:45,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:57:45,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:57:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:45,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:57:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:45,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:57:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:45,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:45,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:57:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:45,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:45,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:45,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:45,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:57:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:45,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:45,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:45,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:45,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:57:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:45,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:45,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:45,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:45,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:57:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:45,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:57:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:57:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 12:57:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 12:57:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 12:57:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:57:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:57:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 12:57:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 12:57:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 12:57:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-17 12:57:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 12:57:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:57:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:57:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:57:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 12:57:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-17 12:57:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-11-17 12:57:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 12:57:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 12:57:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-17 12:57:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:57:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 12:57:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 12:57:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 12:57:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:46,266 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2021-11-17 12:57:46,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:57:46,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210919003] [2021-11-17 12:57:46,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210919003] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:57:46,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:57:46,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-17 12:57:46,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296345744] [2021-11-17 12:57:46,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:57:46,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-17 12:57:46,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:57:46,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-17 12:57:46,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2021-11-17 12:57:46,268 INFO L87 Difference]: Start difference. First operand 3370 states and 4493 transitions. Second operand has 18 states, 18 states have (on average 8.055555555555555) internal successors, (145), 13 states have internal predecessors, (145), 2 states have call successors, (42), 5 states have call predecessors, (42), 2 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-17 12:58:08,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:58:08,289 INFO L93 Difference]: Finished difference Result 7296 states and 10243 transitions. [2021-11-17 12:58:08,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-11-17 12:58:08,290 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.055555555555555) internal successors, (145), 13 states have internal predecessors, (145), 2 states have call successors, (42), 5 states have call predecessors, (42), 2 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) Word has length 353 [2021-11-17 12:58:08,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:58:08,317 INFO L225 Difference]: With dead ends: 7296 [2021-11-17 12:58:08,318 INFO L226 Difference]: Without dead ends: 7294 [2021-11-17 12:58:08,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2029 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=923, Invalid=6049, Unknown=0, NotChecked=0, Total=6972 [2021-11-17 12:58:08,325 INFO L933 BasicCegarLoop]: 3375 mSDtfsCounter, 5776 mSDsluCounter, 31015 mSDsCounter, 0 mSdLazyCounter, 19119 mSolverCounterSat, 5106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5993 SdHoareTripleChecker+Valid, 34390 SdHoareTripleChecker+Invalid, 24225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5106 IncrementalHoareTripleChecker+Valid, 19119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2021-11-17 12:58:08,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5993 Valid, 34390 Invalid, 24225 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5106 Valid, 19119 Invalid, 0 Unknown, 0 Unchecked, 19.9s Time] [2021-11-17 12:58:08,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7294 states. [2021-11-17 12:58:08,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7294 to 3495. [2021-11-17 12:58:08,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3495 states, 2321 states have (on average 1.2132701421800949) internal successors, (2816), 2393 states have internal predecessors, (2816), 926 states have call successors, (926), 243 states have call predecessors, (926), 244 states have return successors, (929), 921 states have call predecessors, (929), 926 states have call successors, (929) [2021-11-17 12:58:08,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3495 states to 3495 states and 4671 transitions. [2021-11-17 12:58:08,616 INFO L78 Accepts]: Start accepts. Automaton has 3495 states and 4671 transitions. Word has length 353 [2021-11-17 12:58:08,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:58:08,617 INFO L470 AbstractCegarLoop]: Abstraction has 3495 states and 4671 transitions. [2021-11-17 12:58:08,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.055555555555555) internal successors, (145), 13 states have internal predecessors, (145), 2 states have call successors, (42), 5 states have call predecessors, (42), 2 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-17 12:58:08,617 INFO L276 IsEmpty]: Start isEmpty. Operand 3495 states and 4671 transitions. [2021-11-17 12:58:08,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-11-17 12:58:08,621 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:58:08,621 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:58:08,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-17 12:58:08,622 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:58:08,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:58:08,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1751611848, now seen corresponding path program 1 times [2021-11-17 12:58:08,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:58:08,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533661483] [2021-11-17 12:58:08,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:58:08,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:58:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:58:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:58:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:58:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:58:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:58:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:58:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:58:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:58:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:58:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 12:58:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 12:58:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 12:58:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:58:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:58:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 12:58:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 12:58:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 12:58:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-17 12:58:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 12:58:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:08,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:58:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:58:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:58:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:58:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 12:58:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-17 12:58:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-11-17 12:58:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 12:58:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 12:58:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 12:58:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-17 12:58:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 12:58:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 12:58:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-17 12:58:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-17 12:58:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 12:58:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 12:58:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 12:58:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-17 12:58:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:09,099 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2021-11-17 12:58:09,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:58:09,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533661483] [2021-11-17 12:58:09,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533661483] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:58:09,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:58:09,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 12:58:09,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109946005] [2021-11-17 12:58:09,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:58:09,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 12:58:09,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:58:09,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 12:58:09,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-17 12:58:09,102 INFO L87 Difference]: Start difference. First operand 3495 states and 4671 transitions. Second operand has 9 states, 9 states have (on average 16.444444444444443) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (49), 6 states have call predecessors, (49), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-17 12:58:16,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:58:16,333 INFO L93 Difference]: Finished difference Result 7374 states and 9904 transitions. [2021-11-17 12:58:16,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 12:58:16,334 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.444444444444443) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (49), 6 states have call predecessors, (49), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 385 [2021-11-17 12:58:16,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:58:16,348 INFO L225 Difference]: With dead ends: 7374 [2021-11-17 12:58:16,348 INFO L226 Difference]: Without dead ends: 3898 [2021-11-17 12:58:16,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2021-11-17 12:58:16,359 INFO L933 BasicCegarLoop]: 1819 mSDtfsCounter, 3450 mSDsluCounter, 3936 mSDsCounter, 0 mSdLazyCounter, 5585 mSolverCounterSat, 2914 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3465 SdHoareTripleChecker+Valid, 5755 SdHoareTripleChecker+Invalid, 8499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2914 IncrementalHoareTripleChecker+Valid, 5585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2021-11-17 12:58:16,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3465 Valid, 5755 Invalid, 8499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2914 Valid, 5585 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2021-11-17 12:58:16,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3898 states. [2021-11-17 12:58:16,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3898 to 3498. [2021-11-17 12:58:16,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3498 states, 2324 states have (on average 1.2129948364888123) internal successors, (2819), 2396 states have internal predecessors, (2819), 926 states have call successors, (926), 243 states have call predecessors, (926), 244 states have return successors, (929), 921 states have call predecessors, (929), 926 states have call successors, (929) [2021-11-17 12:58:16,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3498 states to 3498 states and 4674 transitions. [2021-11-17 12:58:16,658 INFO L78 Accepts]: Start accepts. Automaton has 3498 states and 4674 transitions. Word has length 385 [2021-11-17 12:58:16,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:58:16,659 INFO L470 AbstractCegarLoop]: Abstraction has 3498 states and 4674 transitions. [2021-11-17 12:58:16,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.444444444444443) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (49), 6 states have call predecessors, (49), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-17 12:58:16,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3498 states and 4674 transitions. [2021-11-17 12:58:16,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2021-11-17 12:58:16,663 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:58:16,663 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 9, 9, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:58:16,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-17 12:58:16,664 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:58:16,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:58:16,664 INFO L85 PathProgramCache]: Analyzing trace with hash -96775349, now seen corresponding path program 1 times [2021-11-17 12:58:16,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:58:16,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719272243] [2021-11-17 12:58:16,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:58:16,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:58:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:58:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:58:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:58:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:58:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:58:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:58:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:58:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:58:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:58:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 12:58:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 12:58:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 12:58:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:58:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:58:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 12:58:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 12:58:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 12:58:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-17 12:58:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 12:58:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:58:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:58:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:58:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:58:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 12:58:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-17 12:58:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:16,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 12:58:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 12:58:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-17 12:58:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 12:58:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 12:58:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 12:58:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 12:58:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-11-17 12:58:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 12:58:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 12:58:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 12:58:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-17 12:58:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 12:58:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 12:58:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 12:58:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 12:58:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 12:58:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-17 12:58:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-17 12:58:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 12:58:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:17,096 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 749 trivial. 0 not checked. [2021-11-17 12:58:17,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:58:17,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719272243] [2021-11-17 12:58:17,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719272243] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:58:17,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:58:17,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 12:58:17,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338573039] [2021-11-17 12:58:17,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:58:17,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 12:58:17,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:58:17,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 12:58:17,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-17 12:58:17,098 INFO L87 Difference]: Start difference. First operand 3498 states and 4674 transitions. Second operand has 9 states, 9 states have (on average 18.11111111111111) internal successors, (163), 4 states have internal predecessors, (163), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-17 12:58:23,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:58:23,356 INFO L93 Difference]: Finished difference Result 7330 states and 9842 transitions. [2021-11-17 12:58:23,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 12:58:23,357 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.11111111111111) internal successors, (163), 4 states have internal predecessors, (163), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) Word has length 426 [2021-11-17 12:58:23,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:58:23,367 INFO L225 Difference]: With dead ends: 7330 [2021-11-17 12:58:23,368 INFO L226 Difference]: Without dead ends: 3851 [2021-11-17 12:58:23,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2021-11-17 12:58:23,377 INFO L933 BasicCegarLoop]: 1794 mSDtfsCounter, 3312 mSDsluCounter, 3977 mSDsCounter, 0 mSdLazyCounter, 5508 mSolverCounterSat, 2799 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3337 SdHoareTripleChecker+Valid, 5771 SdHoareTripleChecker+Invalid, 8307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2799 IncrementalHoareTripleChecker+Valid, 5508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-11-17 12:58:23,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3337 Valid, 5771 Invalid, 8307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2799 Valid, 5508 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2021-11-17 12:58:23,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3851 states. [2021-11-17 12:58:23,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3851 to 3502. [2021-11-17 12:58:23,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3502 states, 2327 states have (on average 1.2127202406532016) internal successors, (2822), 2399 states have internal predecessors, (2822), 926 states have call successors, (926), 243 states have call predecessors, (926), 245 states have return successors, (933), 922 states have call predecessors, (933), 926 states have call successors, (933) [2021-11-17 12:58:23,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3502 states to 3502 states and 4681 transitions. [2021-11-17 12:58:23,684 INFO L78 Accepts]: Start accepts. Automaton has 3502 states and 4681 transitions. Word has length 426 [2021-11-17 12:58:23,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:58:23,685 INFO L470 AbstractCegarLoop]: Abstraction has 3502 states and 4681 transitions. [2021-11-17 12:58:23,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.11111111111111) internal successors, (163), 4 states have internal predecessors, (163), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-17 12:58:23,685 INFO L276 IsEmpty]: Start isEmpty. Operand 3502 states and 4681 transitions. [2021-11-17 12:58:23,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2021-11-17 12:58:23,689 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:58:23,689 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 11, 11, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:58:23,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-17 12:58:23,689 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:58:23,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:58:23,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1578561124, now seen corresponding path program 1 times [2021-11-17 12:58:23,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:58:23,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871535033] [2021-11-17 12:58:23,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:58:23,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:58:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:58:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:58:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:58:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:58:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:58:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:58:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:58:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:58:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:58:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 12:58:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 12:58:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 12:58:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:58:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:58:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 12:58:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 12:58:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 12:58:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-17 12:58:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 12:58:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:58:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:58:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:58:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:58:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:58:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 12:58:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:23,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 12:58:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 12:58:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:58:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 12:58:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 12:58:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 12:58:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-17 12:58:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 12:58:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 12:58:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-11-17 12:58:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-17 12:58:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 12:58:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 12:58:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 12:58:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 12:58:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 12:58:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-17 12:58:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 12:58:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 12:58:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 12:58:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 12:58:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2021-11-17 12:58:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 12:58:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:24,081 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2021-11-17 12:58:24,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:58:24,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871535033] [2021-11-17 12:58:24,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871535033] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:58:24,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:58:24,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 12:58:24,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107216777] [2021-11-17 12:58:24,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:58:24,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 12:58:24,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:58:24,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 12:58:24,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:58:24,085 INFO L87 Difference]: Start difference. First operand 3502 states and 4681 transitions. Second operand has 10 states, 10 states have (on average 17.7) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (61), 6 states have call predecessors, (61), 2 states have return successors, (57), 3 states have call predecessors, (57), 2 states have call successors, (57) [2021-11-17 12:58:26,593 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:58:33,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:58:33,554 INFO L93 Difference]: Finished difference Result 7347 states and 9868 transitions. [2021-11-17 12:58:33,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 12:58:33,554 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.7) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (61), 6 states have call predecessors, (61), 2 states have return successors, (57), 3 states have call predecessors, (57), 2 states have call successors, (57) Word has length 443 [2021-11-17 12:58:33,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:58:33,565 INFO L225 Difference]: With dead ends: 7347 [2021-11-17 12:58:33,565 INFO L226 Difference]: Without dead ends: 3864 [2021-11-17 12:58:33,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2021-11-17 12:58:33,573 INFO L933 BasicCegarLoop]: 1785 mSDtfsCounter, 3341 mSDsluCounter, 4790 mSDsCounter, 0 mSdLazyCounter, 6777 mSolverCounterSat, 2819 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3361 SdHoareTripleChecker+Valid, 6575 SdHoareTripleChecker+Invalid, 9596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2819 IncrementalHoareTripleChecker+Valid, 6777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-11-17 12:58:33,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3361 Valid, 6575 Invalid, 9596 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2819 Valid, 6777 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2021-11-17 12:58:33,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3864 states. [2021-11-17 12:58:33,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3864 to 3507. [2021-11-17 12:58:33,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3507 states, 2331 states have (on average 1.2123552123552124) internal successors, (2826), 2403 states have internal predecessors, (2826), 926 states have call successors, (926), 243 states have call predecessors, (926), 246 states have return successors, (936), 923 states have call predecessors, (936), 926 states have call successors, (936) [2021-11-17 12:58:33,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3507 states to 3507 states and 4688 transitions. [2021-11-17 12:58:33,880 INFO L78 Accepts]: Start accepts. Automaton has 3507 states and 4688 transitions. Word has length 443 [2021-11-17 12:58:33,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:58:33,881 INFO L470 AbstractCegarLoop]: Abstraction has 3507 states and 4688 transitions. [2021-11-17 12:58:33,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.7) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (61), 6 states have call predecessors, (61), 2 states have return successors, (57), 3 states have call predecessors, (57), 2 states have call successors, (57) [2021-11-17 12:58:33,881 INFO L276 IsEmpty]: Start isEmpty. Operand 3507 states and 4688 transitions. [2021-11-17 12:58:33,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2021-11-17 12:58:33,885 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:58:33,885 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 8, 8, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:58:33,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-17 12:58:33,885 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:58:33,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:58:33,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1152487246, now seen corresponding path program 1 times [2021-11-17 12:58:33,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:58:33,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950536720] [2021-11-17 12:58:33,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:58:33,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:58:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:58:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:58:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:58:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:58:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:58:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:58:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:58:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:58:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:58:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 12:58:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 12:58:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 12:58:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:58:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:58:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 12:58:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 12:58:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 12:58:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:58:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:58:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 12:58:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 12:58:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-17 12:58:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:58:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:58:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:58:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:58:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:58:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 12:58:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 12:58:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 12:58:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:58:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 12:58:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 12:58:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-17 12:58:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 12:58:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 12:58:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 12:58:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 12:58:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 12:58:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-11-17 12:58:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 12:58:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 12:58:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 12:58:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-11-17 12:58:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 12:58:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-17 12:58:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-11-17 12:58:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-11-17 12:58:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 12:58:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 12:58:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 12:58:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:34,335 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2021-11-17 12:58:34,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:58:34,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950536720] [2021-11-17 12:58:34,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950536720] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:58:34,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:58:34,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 12:58:34,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294753985] [2021-11-17 12:58:34,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:58:34,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 12:58:34,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:58:34,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 12:58:34,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 12:58:34,337 INFO L87 Difference]: Start difference. First operand 3507 states and 4688 transitions. Second operand has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (64), 6 states have call predecessors, (64), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-17 12:58:36,618 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:58:41,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:58:41,048 INFO L93 Difference]: Finished difference Result 7264 states and 9754 transitions. [2021-11-17 12:58:41,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 12:58:41,049 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (64), 6 states have call predecessors, (64), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 459 [2021-11-17 12:58:41,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:58:41,063 INFO L225 Difference]: With dead ends: 7264 [2021-11-17 12:58:41,064 INFO L226 Difference]: Without dead ends: 3776 [2021-11-17 12:58:41,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-17 12:58:41,126 INFO L933 BasicCegarLoop]: 1685 mSDtfsCounter, 3288 mSDsluCounter, 1937 mSDsCounter, 0 mSdLazyCounter, 2892 mSolverCounterSat, 2822 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3288 SdHoareTripleChecker+Valid, 3622 SdHoareTripleChecker+Invalid, 5714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2822 IncrementalHoareTripleChecker+Valid, 2892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:58:41,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3288 Valid, 3622 Invalid, 5714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2822 Valid, 2892 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2021-11-17 12:58:41,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3776 states. [2021-11-17 12:58:41,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3776 to 3508. [2021-11-17 12:58:41,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3508 states, 2332 states have (on average 1.2122641509433962) internal successors, (2827), 2404 states have internal predecessors, (2827), 926 states have call successors, (926), 243 states have call predecessors, (926), 246 states have return successors, (936), 923 states have call predecessors, (936), 926 states have call successors, (936) [2021-11-17 12:58:41,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3508 states to 3508 states and 4689 transitions. [2021-11-17 12:58:41,396 INFO L78 Accepts]: Start accepts. Automaton has 3508 states and 4689 transitions. Word has length 459 [2021-11-17 12:58:41,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:58:41,396 INFO L470 AbstractCegarLoop]: Abstraction has 3508 states and 4689 transitions. [2021-11-17 12:58:41,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (64), 6 states have call predecessors, (64), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-17 12:58:41,397 INFO L276 IsEmpty]: Start isEmpty. Operand 3508 states and 4689 transitions. [2021-11-17 12:58:41,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2021-11-17 12:58:41,401 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:58:41,401 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:58:41,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-17 12:58:41,401 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:58:41,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:58:41,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1665332508, now seen corresponding path program 1 times [2021-11-17 12:58:41,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:58:41,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950108536] [2021-11-17 12:58:41,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:58:41,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:58:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:58:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:58:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:58:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:58:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:58:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:58:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:58:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:58:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:58:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 12:58:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 12:58:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 12:58:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:58:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:58:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 12:58:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 12:58:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 12:58:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:58:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:58:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 12:58:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 12:58:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:58:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 12:58:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:58:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:58:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:58:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:58:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:58:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 12:58:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 12:58:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 12:58:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:58:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 12:58:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 12:58:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 12:58:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 12:58:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 12:58:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 12:58:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 12:58:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 12:58:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 12:58:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-17 12:58:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 12:58:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-17 12:58:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-17 12:58:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-17 12:58:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-17 12:58:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-17 12:58:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-17 12:58:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 12:58:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-17 12:58:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-11-17 12:58:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:41,916 INFO L134 CoverageAnalysis]: Checked inductivity of 944 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 943 trivial. 0 not checked. [2021-11-17 12:58:41,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:58:41,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950108536] [2021-11-17 12:58:41,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950108536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:58:41,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:58:41,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 12:58:41,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558391504] [2021-11-17 12:58:41,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:58:41,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 12:58:41,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:58:41,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 12:58:41,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:58:41,918 INFO L87 Difference]: Start difference. First operand 3508 states and 4689 transitions. Second operand has 8 states, 8 states have (on average 23.0) internal successors, (184), 4 states have internal predecessors, (184), 2 states have call successors, (65), 6 states have call predecessors, (65), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2021-11-17 12:58:48,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:58:48,894 INFO L93 Difference]: Finished difference Result 7257 states and 9742 transitions. [2021-11-17 12:58:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 12:58:48,894 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.0) internal successors, (184), 4 states have internal predecessors, (184), 2 states have call successors, (65), 6 states have call predecessors, (65), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 469 [2021-11-17 12:58:48,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:58:48,907 INFO L225 Difference]: With dead ends: 7257 [2021-11-17 12:58:48,907 INFO L226 Difference]: Without dead ends: 3768 [2021-11-17 12:58:48,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2021-11-17 12:58:48,915 INFO L933 BasicCegarLoop]: 1686 mSDtfsCounter, 3251 mSDsluCounter, 2719 mSDsCounter, 0 mSdLazyCounter, 4138 mSolverCounterSat, 2793 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3251 SdHoareTripleChecker+Valid, 4405 SdHoareTripleChecker+Invalid, 6931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2793 IncrementalHoareTripleChecker+Valid, 4138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-11-17 12:58:48,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3251 Valid, 4405 Invalid, 6931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2793 Valid, 4138 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2021-11-17 12:58:48,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3768 states. [2021-11-17 12:58:49,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3768 to 3510. [2021-11-17 12:58:49,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3510 states, 2334 states have (on average 1.212082262210797) internal successors, (2829), 2405 states have internal predecessors, (2829), 926 states have call successors, (926), 243 states have call predecessors, (926), 246 states have return successors, (936), 923 states have call predecessors, (936), 926 states have call successors, (936) [2021-11-17 12:58:49,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3510 states to 3510 states and 4691 transitions. [2021-11-17 12:58:49,206 INFO L78 Accepts]: Start accepts. Automaton has 3510 states and 4691 transitions. Word has length 469 [2021-11-17 12:58:49,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:58:49,206 INFO L470 AbstractCegarLoop]: Abstraction has 3510 states and 4691 transitions. [2021-11-17 12:58:49,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.0) internal successors, (184), 4 states have internal predecessors, (184), 2 states have call successors, (65), 6 states have call predecessors, (65), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2021-11-17 12:58:49,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3510 states and 4691 transitions. [2021-11-17 12:58:49,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2021-11-17 12:58:49,212 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:58:49,212 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:58:49,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-17 12:58:49,212 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:58:49,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:58:49,213 INFO L85 PathProgramCache]: Analyzing trace with hash -2016490905, now seen corresponding path program 1 times [2021-11-17 12:58:49,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:58:49,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791887893] [2021-11-17 12:58:49,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:58:49,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:58:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:58:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:58:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:58:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:58:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:58:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:58:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:58:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:58:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:58:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 12:58:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 12:58:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 12:58:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:58:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:58:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 12:58:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 12:58:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 12:58:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:58:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:58:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 12:58:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 12:58:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:58:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:58:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 12:58:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:58:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:58:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:58:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:58:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:58:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 12:58:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 12:58:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 12:58:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:58:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-17 12:58:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 12:58:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 12:58:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-17 12:58:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 12:58:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 12:58:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-11-17 12:58:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 12:58:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-17 12:58:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 12:58:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-17 12:58:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 12:58:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-17 12:58:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-17 12:58:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 12:58:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:58:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:58:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-11-17 12:58:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-17 12:58:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-11-17 12:58:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-17 12:58:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-11-17 12:58:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:49,729 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2021-11-17 12:58:49,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:58:49,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791887893] [2021-11-17 12:58:49,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791887893] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 12:58:49,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264330769] [2021-11-17 12:58:49,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:58:49,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 12:58:49,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 12:58:49,731 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 12:58:49,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-17 12:58:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:50,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 3844 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-17 12:58:50,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 12:58:51,479 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 368 proven. 2 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-11-17 12:58:51,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 12:58:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2021-11-17 12:58:52,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264330769] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 12:58:52,347 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 12:58:52,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2021-11-17 12:58:52,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125520284] [2021-11-17 12:58:52,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 12:58:52,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-17 12:58:52,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:58:52,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-17 12:58:52,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-11-17 12:58:52,360 INFO L87 Difference]: Start difference. First operand 3510 states and 4691 transitions. Second operand has 13 states, 13 states have (on average 19.153846153846153) internal successors, (249), 9 states have internal predecessors, (249), 4 states have call successors, (114), 6 states have call predecessors, (114), 2 states have return successors, (100), 4 states have call predecessors, (100), 4 states have call successors, (100) [2021-11-17 12:58:56,451 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:59:05,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:59:05,984 INFO L93 Difference]: Finished difference Result 7266 states and 9755 transitions. [2021-11-17 12:59:05,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 12:59:05,985 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 19.153846153846153) internal successors, (249), 9 states have internal predecessors, (249), 4 states have call successors, (114), 6 states have call predecessors, (114), 2 states have return successors, (100), 4 states have call predecessors, (100), 4 states have call successors, (100) Word has length 475 [2021-11-17 12:59:05,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:59:05,996 INFO L225 Difference]: With dead ends: 7266 [2021-11-17 12:59:05,996 INFO L226 Difference]: Without dead ends: 3775 [2021-11-17 12:59:06,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1120 GetRequests, 1097 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2021-11-17 12:59:06,005 INFO L933 BasicCegarLoop]: 1677 mSDtfsCounter, 3276 mSDsluCounter, 5835 mSDsCounter, 0 mSdLazyCounter, 9105 mSolverCounterSat, 2840 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3276 SdHoareTripleChecker+Valid, 7512 SdHoareTripleChecker+Invalid, 11946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2840 IncrementalHoareTripleChecker+Valid, 9105 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-11-17 12:59:06,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3276 Valid, 7512 Invalid, 11946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2840 Valid, 9105 Invalid, 1 Unknown, 0 Unchecked, 13.0s Time] [2021-11-17 12:59:06,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3775 states. [2021-11-17 12:59:06,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3775 to 3519. [2021-11-17 12:59:06,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3519 states, 2340 states have (on average 1.2115384615384615) internal successors, (2835), 2411 states have internal predecessors, (2835), 929 states have call successors, (929), 243 states have call predecessors, (929), 246 states have return successors, (939), 926 states have call predecessors, (939), 929 states have call successors, (939) [2021-11-17 12:59:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 4703 transitions. [2021-11-17 12:59:06,303 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 4703 transitions. Word has length 475 [2021-11-17 12:59:06,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:59:06,304 INFO L470 AbstractCegarLoop]: Abstraction has 3519 states and 4703 transitions. [2021-11-17 12:59:06,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 19.153846153846153) internal successors, (249), 9 states have internal predecessors, (249), 4 states have call successors, (114), 6 states have call predecessors, (114), 2 states have return successors, (100), 4 states have call predecessors, (100), 4 states have call successors, (100) [2021-11-17 12:59:06,304 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 4703 transitions. [2021-11-17 12:59:06,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2021-11-17 12:59:06,308 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:59:06,308 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:59:06,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-17 12:59:06,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-11-17 12:59:06,510 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:59:06,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:59:06,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1467141264, now seen corresponding path program 2 times [2021-11-17 12:59:06,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:59:06,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451510348] [2021-11-17 12:59:06,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:59:06,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:59:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:59:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:59:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:59:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:59:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:59:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:59:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:59:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:59:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 12:59:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 12:59:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 12:59:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:59:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:59:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 12:59:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 12:59:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 12:59:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:59:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:59:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 12:59:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 12:59:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:59:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:59:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 12:59:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 12:59:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:59:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-17 12:59:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:59:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:59:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:59:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:59:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 12:59:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 12:59:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 12:59:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:59:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-17 12:59:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 12:59:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 12:59:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 12:59:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 12:59:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 12:59:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-17 12:59:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 12:59:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 12:59:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-17 12:59:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:06,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-17 12:59:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:07,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-11-17 12:59:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:07,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-11-17 12:59:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:07,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-17 12:59:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:07,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-17 12:59:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:07,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:07,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:07,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:07,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 12:59:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:07,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-17 12:59:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:07,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-17 12:59:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:07,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-11-17 12:59:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:07,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-11-17 12:59:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:07,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2021-11-17 12:59:07,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:59:07,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451510348] [2021-11-17 12:59:07,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451510348] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 12:59:07,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403119750] [2021-11-17 12:59:07,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 12:59:07,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 12:59:07,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 12:59:07,060 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 12:59:07,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-17 12:59:07,659 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-17 12:59:07,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 12:59:07,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-17 12:59:07,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 12:59:08,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2021-11-17 12:59:08,334 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 12:59:08,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403119750] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:59:08,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 12:59:08,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2021-11-17 12:59:08,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846348137] [2021-11-17 12:59:08,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:59:08,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:59:08,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:59:08,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:59:08,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2021-11-17 12:59:08,336 INFO L87 Difference]: Start difference. First operand 3519 states and 4703 transitions. Second operand has 6 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-17 12:59:08,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:59:08,606 INFO L93 Difference]: Finished difference Result 3519 states and 4703 transitions. [2021-11-17 12:59:08,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:59:08,607 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 493 [2021-11-17 12:59:08,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:59:08,621 INFO L225 Difference]: With dead ends: 3519 [2021-11-17 12:59:08,622 INFO L226 Difference]: Without dead ends: 3517 [2021-11-17 12:59:08,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 661 GetRequests, 645 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-11-17 12:59:08,626 INFO L933 BasicCegarLoop]: 1977 mSDtfsCounter, 48 mSDsluCounter, 7858 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 9835 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 12:59:08,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 9835 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 12:59:08,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3517 states. [2021-11-17 12:59:08,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3517 to 3517. [2021-11-17 12:59:08,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3517 states, 2339 states have (on average 1.2099187687045747) internal successors, (2830), 2409 states have internal predecessors, (2830), 929 states have call successors, (929), 243 states have call predecessors, (929), 246 states have return successors, (939), 926 states have call predecessors, (939), 929 states have call successors, (939) [2021-11-17 12:59:08,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 3517 states and 4698 transitions. [2021-11-17 12:59:08,921 INFO L78 Accepts]: Start accepts. Automaton has 3517 states and 4698 transitions. Word has length 493 [2021-11-17 12:59:08,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:59:08,921 INFO L470 AbstractCegarLoop]: Abstraction has 3517 states and 4698 transitions. [2021-11-17 12:59:08,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-17 12:59:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 3517 states and 4698 transitions. [2021-11-17 12:59:08,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2021-11-17 12:59:08,926 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:59:08,926 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:59:08,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-17 12:59:09,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-11-17 12:59:09,129 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:59:09,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:59:09,129 INFO L85 PathProgramCache]: Analyzing trace with hash 2013873398, now seen corresponding path program 1 times [2021-11-17 12:59:09,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:59:09,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914475220] [2021-11-17 12:59:09,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:59:09,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:59:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:59:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:59:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:59:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:59:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:59:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:59:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:59:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:59:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 12:59:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 12:59:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 12:59:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:59:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:59:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 12:59:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 12:59:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 12:59:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:59:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:59:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 12:59:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 12:59:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:59:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:59:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 12:59:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 12:59:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:59:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-17 12:59:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:59:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:59:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:59:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:59:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 12:59:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 12:59:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 12:59:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:59:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-17 12:59:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 12:59:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 12:59:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 12:59:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 12:59:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 12:59:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-17 12:59:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 12:59:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 12:59:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-17 12:59:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-17 12:59:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-11-17 12:59:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-11-17 12:59:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-17 12:59:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-17 12:59:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 12:59:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-17 12:59:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-17 12:59:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-11-17 12:59:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-11-17 12:59:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2021-11-17 12:59:09,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:59:09,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914475220] [2021-11-17 12:59:09,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914475220] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:59:09,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:59:09,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 12:59:09,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582030724] [2021-11-17 12:59:09,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:59:09,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 12:59:09,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:59:09,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 12:59:09,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 12:59:09,700 INFO L87 Difference]: Start difference. First operand 3517 states and 4698 transitions. Second operand has 7 states, 7 states have (on average 27.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (66), 6 states have call predecessors, (66), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-17 12:59:13,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:59:13,427 INFO L93 Difference]: Finished difference Result 7261 states and 9780 transitions. [2021-11-17 12:59:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 12:59:13,427 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (66), 6 states have call predecessors, (66), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 497 [2021-11-17 12:59:13,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:59:13,440 INFO L225 Difference]: With dead ends: 7261 [2021-11-17 12:59:13,440 INFO L226 Difference]: Without dead ends: 3763 [2021-11-17 12:59:13,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-11-17 12:59:13,456 INFO L933 BasicCegarLoop]: 1680 mSDtfsCounter, 4446 mSDsluCounter, 1155 mSDsCounter, 0 mSdLazyCounter, 1642 mSolverCounterSat, 3438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4515 SdHoareTripleChecker+Valid, 2835 SdHoareTripleChecker+Invalid, 5080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3438 IncrementalHoareTripleChecker+Valid, 1642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-17 12:59:13,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4515 Valid, 2835 Invalid, 5080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3438 Valid, 1642 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-17 12:59:13,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3763 states. [2021-11-17 12:59:13,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3763 to 3507. [2021-11-17 12:59:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3507 states, 2330 states have (on average 1.2072961373390558) internal successors, (2813), 2399 states have internal predecessors, (2813), 929 states have call successors, (929), 243 states have call predecessors, (929), 246 states have return successors, (939), 926 states have call predecessors, (939), 929 states have call successors, (939) [2021-11-17 12:59:13,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3507 states to 3507 states and 4681 transitions. [2021-11-17 12:59:13,761 INFO L78 Accepts]: Start accepts. Automaton has 3507 states and 4681 transitions. Word has length 497 [2021-11-17 12:59:13,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:59:13,761 INFO L470 AbstractCegarLoop]: Abstraction has 3507 states and 4681 transitions. [2021-11-17 12:59:13,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (66), 6 states have call predecessors, (66), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-17 12:59:13,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3507 states and 4681 transitions. [2021-11-17 12:59:13,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-11-17 12:59:13,766 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:59:13,766 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 9, 9, 8, 8, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:59:13,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-17 12:59:13,766 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:59:13,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:59:13,767 INFO L85 PathProgramCache]: Analyzing trace with hash -823029206, now seen corresponding path program 1 times [2021-11-17 12:59:13,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:59:13,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665304818] [2021-11-17 12:59:13,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:59:13,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:59:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:59:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:59:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:59:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:59:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:59:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:59:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:59:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:59:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 12:59:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 12:59:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 12:59:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:59:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:59:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:13,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 12:59:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 12:59:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 12:59:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:59:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:59:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 12:59:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 12:59:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:59:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:59:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 12:59:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 12:59:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:59:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-17 12:59:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:59:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:59:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:59:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:59:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 12:59:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 12:59:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 12:59:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:59:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-17 12:59:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 12:59:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 12:59:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 12:59:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 12:59:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 12:59:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-17 12:59:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 12:59:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 12:59:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-17 12:59:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-17 12:59:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-11-17 12:59:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-11-17 12:59:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-17 12:59:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-17 12:59:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 12:59:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-17 12:59:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-11-17 12:59:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 12:59:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 12:59:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-11-17 12:59:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-17 12:59:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2021-11-17 12:59:14,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:59:14,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665304818] [2021-11-17 12:59:14,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665304818] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:59:14,209 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:59:14,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 12:59:14,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872829691] [2021-11-17 12:59:14,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:59:14,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 12:59:14,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:59:14,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 12:59:14,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:59:14,210 INFO L87 Difference]: Start difference. First operand 3507 states and 4681 transitions. Second operand has 10 states, 9 states have (on average 20.666666666666668) internal successors, (186), 4 states have internal predecessors, (186), 3 states have call successors, (67), 8 states have call predecessors, (67), 2 states have return successors, (64), 2 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-17 12:59:22,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:59:22,626 INFO L93 Difference]: Finished difference Result 3765 states and 5066 transitions. [2021-11-17 12:59:22,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-17 12:59:22,626 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 20.666666666666668) internal successors, (186), 4 states have internal predecessors, (186), 3 states have call successors, (67), 8 states have call predecessors, (67), 2 states have return successors, (64), 2 states have call predecessors, (64), 3 states have call successors, (64) Word has length 500 [2021-11-17 12:59:22,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:59:22,634 INFO L225 Difference]: With dead ends: 3765 [2021-11-17 12:59:22,634 INFO L226 Difference]: Without dead ends: 3763 [2021-11-17 12:59:22,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=194, Invalid=456, Unknown=0, NotChecked=0, Total=650 [2021-11-17 12:59:22,636 INFO L933 BasicCegarLoop]: 1934 mSDtfsCounter, 5001 mSDsluCounter, 3540 mSDsCounter, 0 mSdLazyCounter, 6501 mSolverCounterSat, 4389 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5003 SdHoareTripleChecker+Valid, 5474 SdHoareTripleChecker+Invalid, 10890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4389 IncrementalHoareTripleChecker+Valid, 6501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-11-17 12:59:22,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5003 Valid, 5474 Invalid, 10890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4389 Valid, 6501 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2021-11-17 12:59:22,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3763 states. [2021-11-17 12:59:22,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3763 to 3505. [2021-11-17 12:59:22,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3505 states, 2329 states have (on average 1.206526406182911) internal successors, (2810), 2397 states have internal predecessors, (2810), 929 states have call successors, (929), 243 states have call predecessors, (929), 246 states have return successors, (939), 926 states have call predecessors, (939), 929 states have call successors, (939) [2021-11-17 12:59:22,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3505 states to 3505 states and 4678 transitions. [2021-11-17 12:59:22,914 INFO L78 Accepts]: Start accepts. Automaton has 3505 states and 4678 transitions. Word has length 500 [2021-11-17 12:59:22,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:59:22,915 INFO L470 AbstractCegarLoop]: Abstraction has 3505 states and 4678 transitions. [2021-11-17 12:59:22,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 20.666666666666668) internal successors, (186), 4 states have internal predecessors, (186), 3 states have call successors, (67), 8 states have call predecessors, (67), 2 states have return successors, (64), 2 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-17 12:59:22,915 INFO L276 IsEmpty]: Start isEmpty. Operand 3505 states and 4678 transitions. [2021-11-17 12:59:22,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2021-11-17 12:59:22,929 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:59:22,930 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:59:22,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-17 12:59:22,930 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:59:22,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:59:22,930 INFO L85 PathProgramCache]: Analyzing trace with hash 31122422, now seen corresponding path program 1 times [2021-11-17 12:59:22,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:59:22,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205883962] [2021-11-17 12:59:22,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:59:22,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:59:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:59:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:59:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:59:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:59:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:59:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:59:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:59:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:59:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 12:59:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 12:59:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 12:59:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:59:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:59:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 12:59:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 12:59:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 12:59:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:59:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:59:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 12:59:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 12:59:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:59:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:59:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 12:59:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 12:59:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:59:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-17 12:59:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:59:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:59:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:59:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:59:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 12:59:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 12:59:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 12:59:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:59:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-17 12:59:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 12:59:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 12:59:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 12:59:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 12:59:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 12:59:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-17 12:59:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 12:59:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 12:59:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-17 12:59:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 12:59:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:59:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 12:59:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 12:59:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 12:59:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 12:59:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 12:59:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:59:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 12:59:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 12:59:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:59:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 12:59:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-17 12:59:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 12:59:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 12:59:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 12:59:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 12:59:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:59:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 12:59:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 12:59:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 12:59:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 12:59:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 12:59:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 12:59:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 12:59:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 12:59:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 12:59:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-17 12:59:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 12:59:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:59:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 12:59:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 12:59:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-17 12:59:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 12:59:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 12:59:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-17 12:59:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 12:59:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 12:59:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 12:59:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-11-17 12:59:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-11-17 12:59:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 729 [2021-11-17 12:59:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 735 [2021-11-17 12:59:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:23,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1659 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1659 trivial. 0 not checked. [2021-11-17 12:59:23,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:59:23,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205883962] [2021-11-17 12:59:23,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205883962] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:59:23,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:59:23,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 12:59:23,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113693168] [2021-11-17 12:59:23,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:59:23,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 12:59:23,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:59:23,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 12:59:23,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-17 12:59:23,741 INFO L87 Difference]: Start difference. First operand 3505 states and 4678 transitions. Second operand has 11 states, 11 states have (on average 23.727272727272727) internal successors, (261), 4 states have internal predecessors, (261), 2 states have call successors, (109), 7 states have call predecessors, (109), 3 states have return successors, (109), 3 states have call predecessors, (109), 2 states have call successors, (109) [2021-11-17 12:59:26,802 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:59:35,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:59:35,429 INFO L93 Difference]: Finished difference Result 7346 states and 9877 transitions. [2021-11-17 12:59:35,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 12:59:35,430 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 23.727272727272727) internal successors, (261), 4 states have internal predecessors, (261), 2 states have call successors, (109), 7 states have call predecessors, (109), 3 states have return successors, (109), 3 states have call predecessors, (109), 2 states have call successors, (109) Word has length 750 [2021-11-17 12:59:35,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:59:35,442 INFO L225 Difference]: With dead ends: 7346 [2021-11-17 12:59:35,442 INFO L226 Difference]: Without dead ends: 3860 [2021-11-17 12:59:35,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2021-11-17 12:59:35,454 INFO L933 BasicCegarLoop]: 1585 mSDtfsCounter, 3061 mSDsluCounter, 3698 mSDsCounter, 0 mSdLazyCounter, 6760 mSolverCounterSat, 2855 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3061 SdHoareTripleChecker+Valid, 5283 SdHoareTripleChecker+Invalid, 9615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2855 IncrementalHoareTripleChecker+Valid, 6760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-11-17 12:59:35,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3061 Valid, 5283 Invalid, 9615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2855 Valid, 6760 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2021-11-17 12:59:35,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3860 states. [2021-11-17 12:59:35,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3860 to 3505. [2021-11-17 12:59:35,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3505 states, 2329 states have (on average 1.205667668527265) internal successors, (2808), 2397 states have internal predecessors, (2808), 929 states have call successors, (929), 243 states have call predecessors, (929), 246 states have return successors, (939), 926 states have call predecessors, (939), 929 states have call successors, (939) [2021-11-17 12:59:35,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3505 states to 3505 states and 4676 transitions. [2021-11-17 12:59:35,765 INFO L78 Accepts]: Start accepts. Automaton has 3505 states and 4676 transitions. Word has length 750 [2021-11-17 12:59:35,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:59:35,765 INFO L470 AbstractCegarLoop]: Abstraction has 3505 states and 4676 transitions. [2021-11-17 12:59:35,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 23.727272727272727) internal successors, (261), 4 states have internal predecessors, (261), 2 states have call successors, (109), 7 states have call predecessors, (109), 3 states have return successors, (109), 3 states have call predecessors, (109), 2 states have call successors, (109) [2021-11-17 12:59:35,765 INFO L276 IsEmpty]: Start isEmpty. Operand 3505 states and 4676 transitions. [2021-11-17 12:59:35,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2021-11-17 12:59:35,779 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:59:35,779 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:59:35,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-17 12:59:35,780 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 12:59:35,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:59:35,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1959395124, now seen corresponding path program 1 times [2021-11-17 12:59:35,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:59:35,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395120783] [2021-11-17 12:59:35,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:59:35,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:59:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:35,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:59:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:35,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:59:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:59:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:59:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:59:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:59:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 12:59:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:59:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 12:59:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 12:59:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 12:59:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 12:59:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 12:59:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 12:59:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 12:59:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 12:59:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:59:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 12:59:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 12:59:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 12:59:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:59:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:59:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 12:59:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 12:59:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:59:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-17 12:59:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 12:59:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:59:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:59:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:59:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 12:59:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 12:59:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 12:59:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:59:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-17 12:59:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 12:59:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 12:59:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 12:59:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 12:59:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 12:59:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-17 12:59:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 12:59:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 12:59:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-17 12:59:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 12:59:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:59:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 12:59:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 12:59:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 12:59:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 12:59:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 12:59:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:59:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 12:59:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 12:59:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:59:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 12:59:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-17 12:59:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 12:59:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 12:59:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 12:59:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 12:59:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 12:59:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 12:59:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 12:59:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 12:59:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 12:59:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 12:59:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 12:59:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 12:59:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 12:59:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 12:59:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-17 12:59:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 12:59:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:59:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 12:59:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 12:59:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-17 12:59:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 12:59:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 12:59:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-17 12:59:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 12:59:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 12:59:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:59:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:59:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 12:59:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-11-17 12:59:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-11-17 12:59:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 729 [2021-11-17 12:59:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 735 [2021-11-17 12:59:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:36,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1659 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 1632 trivial. 0 not checked. [2021-11-17 12:59:36,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:59:36,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395120783] [2021-11-17 12:59:36,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395120783] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 12:59:36,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171040174] [2021-11-17 12:59:36,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:59:36,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 12:59:36,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 12:59:36,712 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 12:59:36,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-17 12:59:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:37,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 4891 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-17 12:59:37,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 12:59:38,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1659 backedges. 568 proven. 0 refuted. 0 times theorem prover too weak. 1091 trivial. 0 not checked. [2021-11-17 12:59:38,545 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 12:59:38,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171040174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:59:38,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 12:59:38,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 18 [2021-11-17 12:59:38,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352557153] [2021-11-17 12:59:38,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:59:38,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:59:38,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:59:38,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:59:38,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-11-17 12:59:38,547 INFO L87 Difference]: Start difference. First operand 3505 states and 4676 transitions. Second operand has 6 states, 6 states have (on average 47.666666666666664) internal successors, (286), 6 states have internal predecessors, (286), 3 states have call successors, (110), 2 states have call predecessors, (110), 3 states have return successors, (110), 3 states have call predecessors, (110), 3 states have call successors, (110) [2021-11-17 12:59:38,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:59:38,955 INFO L93 Difference]: Finished difference Result 5614 states and 7495 transitions. [2021-11-17 12:59:38,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:59:38,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 47.666666666666664) internal successors, (286), 6 states have internal predecessors, (286), 3 states have call successors, (110), 2 states have call predecessors, (110), 3 states have return successors, (110), 3 states have call predecessors, (110), 3 states have call successors, (110) Word has length 750 [2021-11-17 12:59:38,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:59:38,961 INFO L225 Difference]: With dead ends: 5614 [2021-11-17 12:59:38,961 INFO L226 Difference]: Without dead ends: 0 [2021-11-17 12:59:38,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1015 GetRequests, 997 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-11-17 12:59:38,968 INFO L933 BasicCegarLoop]: 2153 mSDtfsCounter, 308 mSDsluCounter, 8234 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 10387 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 12:59:38,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [308 Valid, 10387 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 12:59:38,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-17 12:59:38,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-17 12:59:38,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-17 12:59:38,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-17 12:59:38,970 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 750 [2021-11-17 12:59:38,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:59:38,970 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-17 12:59:38,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 47.666666666666664) internal successors, (286), 6 states have internal predecessors, (286), 3 states have call successors, (110), 2 states have call predecessors, (110), 3 states have return successors, (110), 3 states have call predecessors, (110), 3 states have call successors, (110) [2021-11-17 12:59:38,971 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-17 12:59:38,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-17 12:59:38,973 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 29 remaining) [2021-11-17 12:59:38,973 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 29 remaining) [2021-11-17 12:59:38,973 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 29 remaining) [2021-11-17 12:59:38,973 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 29 remaining) [2021-11-17 12:59:38,973 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 29 remaining) [2021-11-17 12:59:38,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 29 remaining) [2021-11-17 12:59:38,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 29 remaining) [2021-11-17 12:59:38,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 29 remaining) [2021-11-17 12:59:38,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION (20 of 29 remaining) [2021-11-17 12:59:38,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 29 remaining) [2021-11-17 12:59:38,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION (18 of 29 remaining) [2021-11-17 12:59:38,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 29 remaining) [2021-11-17 12:59:38,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 29 remaining) [2021-11-17 12:59:38,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 29 remaining) [2021-11-17 12:59:38,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 29 remaining) [2021-11-17 12:59:38,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 29 remaining) [2021-11-17 12:59:38,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 29 remaining) [2021-11-17 12:59:38,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 29 remaining) [2021-11-17 12:59:38,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 29 remaining) [2021-11-17 12:59:38,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 29 remaining) [2021-11-17 12:59:38,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 29 remaining) [2021-11-17 12:59:38,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 29 remaining) [2021-11-17 12:59:38,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 29 remaining) [2021-11-17 12:59:38,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 29 remaining) [2021-11-17 12:59:38,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 29 remaining) [2021-11-17 12:59:38,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 29 remaining) [2021-11-17 12:59:38,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 29 remaining) [2021-11-17 12:59:38,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 29 remaining) [2021-11-17 12:59:38,976 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 29 remaining) [2021-11-17 12:59:39,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-17 12:59:39,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 12:59:39,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. Killed by 15