./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--atheros--atl1e--atl1e.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.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 98f562a8edcec740524cc6f5ce26ff67bd28ae5ab18bd4408db10af8ffec4be5 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 15:47:13,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 15:47:13,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 15:47:13,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 15:47:13,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 15:47:13,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 15:47:13,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 15:47:13,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 15:47:13,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 15:47:13,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 15:47:13,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 15:47:13,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 15:47:13,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 15:47:13,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 15:47:13,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 15:47:13,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 15:47:13,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 15:47:13,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 15:47:13,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 15:47:13,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 15:47:13,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 15:47:13,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 15:47:13,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 15:47:13,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 15:47:13,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 15:47:13,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 15:47:13,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 15:47:13,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 15:47:13,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 15:47:13,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 15:47:13,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 15:47:13,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 15:47:13,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 15:47:13,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 15:47:13,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 15:47:13,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 15:47:13,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 15:47:13,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 15:47:13,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 15:47:13,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 15:47:13,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 15:47:13,621 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 15:47:13,637 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 15:47:13,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 15:47:13,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 15:47:13,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 15:47:13,639 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 15:47:13,639 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 15:47:13,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 15:47:13,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 15:47:13,640 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 15:47:13,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 15:47:13,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 15:47:13,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 15:47:13,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 15:47:13,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 15:47:13,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 15:47:13,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 15:47:13,642 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 15:47:13,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 15:47:13,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 15:47:13,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 15:47:13,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 15:47:13,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 15:47:13,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 15:47:13,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 15:47:13,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 15:47:13,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 15:47:13,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 15:47:13,644 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 15:47:13,644 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 15:47:13,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 15:47:13,645 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 15:47:13,645 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98f562a8edcec740524cc6f5ce26ff67bd28ae5ab18bd4408db10af8ffec4be5 [2021-12-18 15:47:13,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 15:47:13,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 15:47:13,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 15:47:13,839 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 15:47:13,840 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 15:47:13,841 INFO L432 ainManager$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--atheros--atl1e--atl1e.ko.cil.i [2021-12-18 15:47:13,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c52d36ce/6e99939de59f44cb8fb4d00b589c04f5/FLAG07231a0b9 [2021-12-18 15:47:14,667 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 15:47:14,669 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--atheros--atl1e--atl1e.ko.cil.i [2021-12-18 15:47:14,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c52d36ce/6e99939de59f44cb8fb4d00b589c04f5/FLAG07231a0b9 [2021-12-18 15:47:15,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c52d36ce/6e99939de59f44cb8fb4d00b589c04f5 [2021-12-18 15:47:15,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 15:47:15,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 15:47:15,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 15:47:15,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 15:47:15,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 15:47:15,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:47:15" (1/1) ... [2021-12-18 15:47:15,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ffe8013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:47:15, skipping insertion in model container [2021-12-18 15:47:15,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:47:15" (1/1) ... [2021-12-18 15:47:15,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 15:47:15,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 15:47:19,360 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--atheros--atl1e--atl1e.ko.cil.i[534178,534191] [2021-12-18 15:47:19,362 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--atheros--atl1e--atl1e.ko.cil.i[534323,534336] [2021-12-18 15:47:19,363 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--atheros--atl1e--atl1e.ko.cil.i[534469,534482] [2021-12-18 15:47:19,363 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--atheros--atl1e--atl1e.ko.cil.i[534634,534647] [2021-12-18 15:47:19,364 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--atheros--atl1e--atl1e.ko.cil.i[534792,534805] [2021-12-18 15:47:19,364 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--atheros--atl1e--atl1e.ko.cil.i[534950,534963] [2021-12-18 15:47:19,364 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--atheros--atl1e--atl1e.ko.cil.i[535108,535121] [2021-12-18 15:47:19,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535268,535281] [2021-12-18 15:47:19,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535427,535440] [2021-12-18 15:47:19,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535566,535579] [2021-12-18 15:47:19,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535708,535721] [2021-12-18 15:47:19,366 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--atheros--atl1e--atl1e.ko.cil.i[535857,535870] [2021-12-18 15:47:19,366 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--atheros--atl1e--atl1e.ko.cil.i[535996,536009] [2021-12-18 15:47:19,366 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--atheros--atl1e--atl1e.ko.cil.i[536151,536164] [2021-12-18 15:47:19,367 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--atheros--atl1e--atl1e.ko.cil.i[536311,536324] [2021-12-18 15:47:19,367 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--atheros--atl1e--atl1e.ko.cil.i[536462,536475] [2021-12-18 15:47:19,367 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--atheros--atl1e--atl1e.ko.cil.i[536613,536626] [2021-12-18 15:47:19,368 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--atheros--atl1e--atl1e.ko.cil.i[536765,536778] [2021-12-18 15:47:19,368 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--atheros--atl1e--atl1e.ko.cil.i[536914,536927] [2021-12-18 15:47:19,368 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--atheros--atl1e--atl1e.ko.cil.i[537062,537075] [2021-12-18 15:47:19,368 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--atheros--atl1e--atl1e.ko.cil.i[537219,537232] [2021-12-18 15:47:19,369 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--atheros--atl1e--atl1e.ko.cil.i[537368,537381] [2021-12-18 15:47:19,369 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--atheros--atl1e--atl1e.ko.cil.i[537524,537537] [2021-12-18 15:47:19,369 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--atheros--atl1e--atl1e.ko.cil.i[537677,537690] [2021-12-18 15:47:19,370 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--atheros--atl1e--atl1e.ko.cil.i[537823,537836] [2021-12-18 15:47:19,370 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--atheros--atl1e--atl1e.ko.cil.i[537966,537979] [2021-12-18 15:47:19,370 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--atheros--atl1e--atl1e.ko.cil.i[538118,538131] [2021-12-18 15:47:19,371 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--atheros--atl1e--atl1e.ko.cil.i[538264,538277] [2021-12-18 15:47:19,371 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--atheros--atl1e--atl1e.ko.cil.i[538409,538422] [2021-12-18 15:47:19,371 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--atheros--atl1e--atl1e.ko.cil.i[538563,538576] [2021-12-18 15:47:19,371 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--atheros--atl1e--atl1e.ko.cil.i[538714,538727] [2021-12-18 15:47:19,372 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--atheros--atl1e--atl1e.ko.cil.i[538869,538882] [2021-12-18 15:47:19,372 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--atheros--atl1e--atl1e.ko.cil.i[539021,539034] [2021-12-18 15:47:19,372 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--atheros--atl1e--atl1e.ko.cil.i[539176,539189] [2021-12-18 15:47:19,373 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--atheros--atl1e--atl1e.ko.cil.i[539340,539353] [2021-12-18 15:47:19,373 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--atheros--atl1e--atl1e.ko.cil.i[539496,539509] [2021-12-18 15:47:19,373 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--atheros--atl1e--atl1e.ko.cil.i[539660,539673] [2021-12-18 15:47:19,373 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--atheros--atl1e--atl1e.ko.cil.i[539802,539815] [2021-12-18 15:47:19,374 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--atheros--atl1e--atl1e.ko.cil.i[539960,539973] [2021-12-18 15:47:19,374 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--atheros--atl1e--atl1e.ko.cil.i[540127,540140] [2021-12-18 15:47:19,374 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--atheros--atl1e--atl1e.ko.cil.i[540286,540299] [2021-12-18 15:47:19,375 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--atheros--atl1e--atl1e.ko.cil.i[540445,540458] [2021-12-18 15:47:19,375 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--atheros--atl1e--atl1e.ko.cil.i[540594,540607] [2021-12-18 15:47:19,375 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--atheros--atl1e--atl1e.ko.cil.i[540741,540754] [2021-12-18 15:47:19,376 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--atheros--atl1e--atl1e.ko.cil.i[540880,540893] [2021-12-18 15:47:19,376 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--atheros--atl1e--atl1e.ko.cil.i[541043,541056] [2021-12-18 15:47:19,376 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--atheros--atl1e--atl1e.ko.cil.i[541209,541222] [2021-12-18 15:47:19,376 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--atheros--atl1e--atl1e.ko.cil.i[541373,541386] [2021-12-18 15:47:19,377 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--atheros--atl1e--atl1e.ko.cil.i[541538,541551] [2021-12-18 15:47:19,377 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--atheros--atl1e--atl1e.ko.cil.i[541703,541716] [2021-12-18 15:47:19,377 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--atheros--atl1e--atl1e.ko.cil.i[541869,541882] [2021-12-18 15:47:19,378 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--atheros--atl1e--atl1e.ko.cil.i[542034,542047] [2021-12-18 15:47:19,378 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--atheros--atl1e--atl1e.ko.cil.i[542201,542214] [2021-12-18 15:47:19,378 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--atheros--atl1e--atl1e.ko.cil.i[542361,542374] [2021-12-18 15:47:19,378 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--atheros--atl1e--atl1e.ko.cil.i[542523,542536] [2021-12-18 15:47:19,379 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--atheros--atl1e--atl1e.ko.cil.i[542682,542695] [2021-12-18 15:47:19,379 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--atheros--atl1e--atl1e.ko.cil.i[542828,542841] [2021-12-18 15:47:19,379 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--atheros--atl1e--atl1e.ko.cil.i[542971,542984] [2021-12-18 15:47:19,380 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--atheros--atl1e--atl1e.ko.cil.i[543115,543128] [2021-12-18 15:47:19,380 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--atheros--atl1e--atl1e.ko.cil.i[543258,543271] [2021-12-18 15:47:19,380 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--atheros--atl1e--atl1e.ko.cil.i[543402,543415] [2021-12-18 15:47:19,380 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--atheros--atl1e--atl1e.ko.cil.i[543543,543556] [2021-12-18 15:47:19,381 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--atheros--atl1e--atl1e.ko.cil.i[543681,543694] [2021-12-18 15:47:19,381 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--atheros--atl1e--atl1e.ko.cil.i[543839,543852] [2021-12-18 15:47:19,381 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--atheros--atl1e--atl1e.ko.cil.i[543998,544011] [2021-12-18 15:47:19,382 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--atheros--atl1e--atl1e.ko.cil.i[544154,544167] [2021-12-18 15:47:19,382 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--atheros--atl1e--atl1e.ko.cil.i[544303,544316] [2021-12-18 15:47:19,382 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--atheros--atl1e--atl1e.ko.cil.i[544455,544468] [2021-12-18 15:47:19,382 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--atheros--atl1e--atl1e.ko.cil.i[544606,544619] [2021-12-18 15:47:19,383 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--atheros--atl1e--atl1e.ko.cil.i[544755,544768] [2021-12-18 15:47:19,383 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--atheros--atl1e--atl1e.ko.cil.i[544907,544920] [2021-12-18 15:47:19,383 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--atheros--atl1e--atl1e.ko.cil.i[545055,545068] [2021-12-18 15:47:19,384 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--atheros--atl1e--atl1e.ko.cil.i[545208,545221] [2021-12-18 15:47:19,384 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--atheros--atl1e--atl1e.ko.cil.i[545359,545372] [2021-12-18 15:47:19,384 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--atheros--atl1e--atl1e.ko.cil.i[545509,545522] [2021-12-18 15:47:19,384 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--atheros--atl1e--atl1e.ko.cil.i[545656,545669] [2021-12-18 15:47:19,385 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--atheros--atl1e--atl1e.ko.cil.i[545807,545820] [2021-12-18 15:47:19,385 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--atheros--atl1e--atl1e.ko.cil.i[545958,545971] [2021-12-18 15:47:19,385 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--atheros--atl1e--atl1e.ko.cil.i[546106,546119] [2021-12-18 15:47:19,386 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--atheros--atl1e--atl1e.ko.cil.i[546272,546285] [2021-12-18 15:47:19,386 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--atheros--atl1e--atl1e.ko.cil.i[546441,546454] [2021-12-18 15:47:19,386 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--atheros--atl1e--atl1e.ko.cil.i[546608,546621] [2021-12-18 15:47:19,386 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--atheros--atl1e--atl1e.ko.cil.i[546776,546789] [2021-12-18 15:47:19,387 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--atheros--atl1e--atl1e.ko.cil.i[546926,546939] [2021-12-18 15:47:19,387 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--atheros--atl1e--atl1e.ko.cil.i[547073,547086] [2021-12-18 15:47:19,387 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--atheros--atl1e--atl1e.ko.cil.i[547234,547247] [2021-12-18 15:47:19,388 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--atheros--atl1e--atl1e.ko.cil.i[547404,547417] [2021-12-18 15:47:19,388 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--atheros--atl1e--atl1e.ko.cil.i[547566,547579] [2021-12-18 15:47:19,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 15:47:19,456 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 15:47:19,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534178,534191] [2021-12-18 15:47:19,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534323,534336] [2021-12-18 15:47:19,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534469,534482] [2021-12-18 15:47:19,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534634,534647] [2021-12-18 15:47:19,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534792,534805] [2021-12-18 15:47:19,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[534950,534963] [2021-12-18 15:47:19,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535108,535121] [2021-12-18 15:47:19,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535268,535281] [2021-12-18 15:47:19,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535427,535440] [2021-12-18 15:47:19,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535566,535579] [2021-12-18 15:47:19,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535708,535721] [2021-12-18 15:47:19,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535857,535870] [2021-12-18 15:47:19,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[535996,536009] [2021-12-18 15:47:19,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536151,536164] [2021-12-18 15:47:19,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536311,536324] [2021-12-18 15:47:19,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536462,536475] [2021-12-18 15:47:19,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536613,536626] [2021-12-18 15:47:19,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536765,536778] [2021-12-18 15:47:19,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[536914,536927] [2021-12-18 15:47:19,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537062,537075] [2021-12-18 15:47:19,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537219,537232] [2021-12-18 15:47:19,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537368,537381] [2021-12-18 15:47:19,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537524,537537] [2021-12-18 15:47:19,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537677,537690] [2021-12-18 15:47:19,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537823,537836] [2021-12-18 15:47:19,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[537966,537979] [2021-12-18 15:47:19,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538118,538131] [2021-12-18 15:47:19,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538264,538277] [2021-12-18 15:47:19,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538409,538422] [2021-12-18 15:47:19,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538563,538576] [2021-12-18 15:47:19,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538714,538727] [2021-12-18 15:47:19,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[538869,538882] [2021-12-18 15:47:19,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539021,539034] [2021-12-18 15:47:19,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539176,539189] [2021-12-18 15:47:19,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539340,539353] [2021-12-18 15:47:19,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539496,539509] [2021-12-18 15:47:19,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539660,539673] [2021-12-18 15:47:19,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539802,539815] [2021-12-18 15:47:19,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[539960,539973] [2021-12-18 15:47:19,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540127,540140] [2021-12-18 15:47:19,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540286,540299] [2021-12-18 15:47:19,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540445,540458] [2021-12-18 15:47:19,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540594,540607] [2021-12-18 15:47:19,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540741,540754] [2021-12-18 15:47:19,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[540880,540893] [2021-12-18 15:47:19,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541043,541056] [2021-12-18 15:47:19,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541209,541222] [2021-12-18 15:47:19,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541373,541386] [2021-12-18 15:47:19,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541538,541551] [2021-12-18 15:47:19,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541703,541716] [2021-12-18 15:47:19,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[541869,541882] [2021-12-18 15:47:19,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542034,542047] [2021-12-18 15:47:19,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542201,542214] [2021-12-18 15:47:19,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542361,542374] [2021-12-18 15:47:19,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542523,542536] [2021-12-18 15:47:19,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542682,542695] [2021-12-18 15:47:19,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542828,542841] [2021-12-18 15:47:19,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[542971,542984] [2021-12-18 15:47:19,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543115,543128] [2021-12-18 15:47:19,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543258,543271] [2021-12-18 15:47:19,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543402,543415] [2021-12-18 15:47:19,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543543,543556] [2021-12-18 15:47:19,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543681,543694] [2021-12-18 15:47:19,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543839,543852] [2021-12-18 15:47:19,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[543998,544011] [2021-12-18 15:47:19,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544154,544167] [2021-12-18 15:47:19,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544303,544316] [2021-12-18 15:47:19,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544455,544468] [2021-12-18 15:47:19,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544606,544619] [2021-12-18 15:47:19,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544755,544768] [2021-12-18 15:47:19,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[544907,544920] [2021-12-18 15:47:19,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545055,545068] [2021-12-18 15:47:19,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545208,545221] [2021-12-18 15:47:19,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545359,545372] [2021-12-18 15:47:19,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545509,545522] [2021-12-18 15:47:19,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545656,545669] [2021-12-18 15:47:19,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545807,545820] [2021-12-18 15:47:19,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[545958,545971] [2021-12-18 15:47:19,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546106,546119] [2021-12-18 15:47:19,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546272,546285] [2021-12-18 15:47:19,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546441,546454] [2021-12-18 15:47:19,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546608,546621] [2021-12-18 15:47:19,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546776,546789] [2021-12-18 15:47:19,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[546926,546939] [2021-12-18 15:47:19,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547073,547086] [2021-12-18 15:47:19,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547234,547247] [2021-12-18 15:47:19,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547404,547417] [2021-12-18 15:47:19,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i[547566,547579] [2021-12-18 15:47:19,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 15:47:20,129 INFO L208 MainTranslator]: Completed translation [2021-12-18 15:47:20,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:47:20 WrapperNode [2021-12-18 15:47:20,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 15:47:20,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 15:47:20,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 15:47:20,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 15:47:20,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:47:20" (1/1) ... [2021-12-18 15:47:20,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:47:20" (1/1) ... [2021-12-18 15:47:20,392 INFO L137 Inliner]: procedures = 817, calls = 3646, calls flagged for inlining = 391, calls inlined = 289, statements flattened = 8115 [2021-12-18 15:47:20,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 15:47:20,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 15:47:20,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 15:47:20,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 15:47:20,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:47:20" (1/1) ... [2021-12-18 15:47:20,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:47:20" (1/1) ... [2021-12-18 15:47:20,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:47:20" (1/1) ... [2021-12-18 15:47:20,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:47:20" (1/1) ... [2021-12-18 15:47:20,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:47:20" (1/1) ... [2021-12-18 15:47:20,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:47:20" (1/1) ... [2021-12-18 15:47:20,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:47:20" (1/1) ... [2021-12-18 15:47:20,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 15:47:20,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 15:47:20,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 15:47:20,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 15:47:20,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:47:20" (1/1) ... [2021-12-18 15:47:20,646 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 15:47:20,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:47:20,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 15:47:20,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 15:47:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2021-12-18 15:47:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2021-12-18 15:47:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 15:47:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 15:47:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_131 [2021-12-18 15:47:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_131 [2021-12-18 15:47:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 15:47:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 15:47:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 15:47:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 15:47:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 15:47:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 15:47:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 15:47:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 15:47:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2021-12-18 15:47:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2021-12-18 15:47:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2021-12-18 15:47:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2021-12-18 15:47:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2021-12-18 15:47:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2021-12-18 15:47:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2021-12-18 15:47:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2021-12-18 15:47:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 15:47:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 15:47:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2021-12-18 15:47:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2021-12-18 15:47:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 15:47:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 15:47:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 15:47:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 15:47:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 15:47:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 15:47:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-18 15:47:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-18 15:47:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2021-12-18 15:47:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2021-12-18 15:47:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-18 15:47:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-18 15:47:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 15:47:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 15:47:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-18 15:47:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-18 15:47:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 15:47:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 15:47:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 15:47:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 15:47:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 15:47:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 15:47:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 15:47:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 15:47:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 15:47:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-18 15:47:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-18 15:47:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-18 15:47:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-18 15:47:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-18 15:47:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-18 15:47:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 15:47:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 15:47:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2021-12-18 15:47:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2021-12-18 15:47:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 15:47:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 15:47:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 15:47:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 15:47:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2021-12-18 15:47:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2021-12-18 15:47:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 15:47:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 15:47:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 15:47:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 15:47:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 15:47:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 15:47:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 15:47:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 15:47:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 15:47:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 15:47:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-18 15:47:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-18 15:47:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2021-12-18 15:47:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2021-12-18 15:47:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 15:47:20,720 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 15:47:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 15:47:20,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 15:47:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2021-12-18 15:47:20,721 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2021-12-18 15:47:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 15:47:20,721 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 15:47:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 15:47:20,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 15:47:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 15:47:20,721 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 15:47:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 15:47:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 15:47:20,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 15:47:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 15:47:20,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 15:47:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 15:47:20,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 15:47:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_138 [2021-12-18 15:47:20,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_138 [2021-12-18 15:47:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 15:47:20,723 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 15:47:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-18 15:47:20,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-18 15:47:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-18 15:47:20,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-18 15:47:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 15:47:20,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 15:47:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_127 [2021-12-18 15:47:20,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_127 [2021-12-18 15:47:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-18 15:47:20,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-18 15:47:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-18 15:47:20,724 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-18 15:47:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 15:47:20,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 15:47:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 15:47:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 15:47:20,725 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 15:47:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 15:47:20,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 15:47:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 15:47:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2021-12-18 15:47:20,726 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2021-12-18 15:47:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-18 15:47:20,726 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-18 15:47:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 15:47:20,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 15:47:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 15:47:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 15:47:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 15:47:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 15:47:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2021-12-18 15:47:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2021-12-18 15:47:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 15:47:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 15:47:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 15:47:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 15:47:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-18 15:47:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-18 15:47:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 15:47:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 15:47:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 15:47:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2021-12-18 15:47:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2021-12-18 15:47:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 15:47:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 15:47:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2021-12-18 15:47:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2021-12-18 15:47:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2021-12-18 15:47:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2021-12-18 15:47:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2021-12-18 15:47:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2021-12-18 15:47:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-18 15:47:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-18 15:47:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-12-18 15:47:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-12-18 15:47:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 15:47:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 15:47:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2021-12-18 15:47:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2021-12-18 15:47:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 15:47:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 15:47:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2021-12-18 15:47:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2021-12-18 15:47:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-18 15:47:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-18 15:47:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2021-12-18 15:47:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2021-12-18 15:47:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 15:47:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 15:47:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 15:47:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 15:47:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 15:47:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 15:47:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2021-12-18 15:47:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2021-12-18 15:47:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 15:47:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 15:47:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-18 15:47:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-18 15:47:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_130 [2021-12-18 15:47:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_130 [2021-12-18 15:47:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 15:47:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 15:47:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2021-12-18 15:47:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2021-12-18 15:47:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-18 15:47:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-18 15:47:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 15:47:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 15:47:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-18 15:47:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-18 15:47:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 15:47:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 15:47:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 15:47:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 15:47:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 15:47:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 15:47:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 15:47:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 15:47:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 15:47:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 15:47:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 15:47:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 15:47:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-18 15:47:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-18 15:47:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2021-12-18 15:47:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2021-12-18 15:47:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-18 15:47:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-18 15:47:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 15:47:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-18 15:47:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-18 15:47:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2021-12-18 15:47:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2021-12-18 15:47:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 15:47:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 15:47:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 15:47:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2021-12-18 15:47:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2021-12-18 15:47:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 15:47:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 15:47:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2021-12-18 15:47:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2021-12-18 15:47:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 15:47:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-18 15:47:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-18 15:47:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 15:47:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 15:47:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-18 15:47:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-18 15:47:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 15:47:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 15:47:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 15:47:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 15:47:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 15:47:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 15:47:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 15:47:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 15:47:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 15:47:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 15:47:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2021-12-18 15:47:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2021-12-18 15:47:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-18 15:47:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-18 15:47:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-18 15:47:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-18 15:47:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2021-12-18 15:47:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2021-12-18 15:47:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 15:47:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 15:47:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-18 15:47:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-18 15:47:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mdio_lock_of_atl1e_adapter [2021-12-18 15:47:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mdio_lock_of_atl1e_adapter [2021-12-18 15:47:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 15:47:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 15:47:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-18 15:47:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-18 15:47:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-18 15:47:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-18 15:47:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2021-12-18 15:47:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2021-12-18 15:47:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-18 15:47:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-18 15:47:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-18 15:47:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-18 15:47:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-18 15:47:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-18 15:47:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 15:47:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 15:47:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 15:47:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 15:47:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 15:47:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-12-18 15:47:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-12-18 15:47:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-18 15:47:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-18 15:47:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2021-12-18 15:47:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2021-12-18 15:47:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 15:47:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 15:47:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2021-12-18 15:47:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2021-12-18 15:47:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 15:47:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 15:47:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-18 15:47:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-18 15:47:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 15:47:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 15:47:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2021-12-18 15:47:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2021-12-18 15:47:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2021-12-18 15:47:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2021-12-18 15:47:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2021-12-18 15:47:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2021-12-18 15:47:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-18 15:47:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-18 15:47:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2021-12-18 15:47:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2021-12-18 15:47:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 15:47:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 15:47:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 15:47:20,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 15:47:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 15:47:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mdio_lock_of_atl1e_adapter [2021-12-18 15:47:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mdio_lock_of_atl1e_adapter [2021-12-18 15:47:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 15:47:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 15:47:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2021-12-18 15:47:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2021-12-18 15:47:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2021-12-18 15:47:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2021-12-18 15:47:20,744 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 15:47:20,744 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 15:47:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 15:47:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 15:47:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2021-12-18 15:47:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2021-12-18 15:47:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 15:47:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 15:47:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-18 15:47:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-18 15:47:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2021-12-18 15:47:20,745 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2021-12-18 15:47:20,745 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 15:47:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 15:47:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 15:47:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 15:47:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 15:47:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 15:47:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 15:47:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 15:47:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-18 15:47:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-18 15:47:20,746 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2021-12-18 15:47:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2021-12-18 15:47:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 15:47:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 15:47:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-18 15:47:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-18 15:47:20,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 15:47:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 15:47:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-18 15:47:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-18 15:47:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-18 15:47:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-18 15:47:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 15:47:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 15:47:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 15:47:20,748 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2021-12-18 15:47:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2021-12-18 15:47:21,667 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 15:47:21,670 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 15:47:21,885 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 15:47:28,496 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 15:47:28,518 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 15:47:28,519 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-18 15:47:28,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:47:28 BoogieIcfgContainer [2021-12-18 15:47:28,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 15:47:28,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 15:47:28,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 15:47:28,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 15:47:28,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 03:47:15" (1/3) ... [2021-12-18 15:47:28,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67204a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:47:28, skipping insertion in model container [2021-12-18 15:47:28,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:47:20" (2/3) ... [2021-12-18 15:47:28,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67204a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:47:28, skipping insertion in model container [2021-12-18 15:47:28,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:47:28" (3/3) ... [2021-12-18 15:47:28,531 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--atheros--atl1e--atl1e.ko.cil.i [2021-12-18 15:47:28,539 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 15:47:28,539 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-12-18 15:47:28,600 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 15:47:28,614 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 15:47:28,614 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-12-18 15:47:28,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 2811 states, 1867 states have (on average 1.2512051419389394) internal successors, (2336), 1929 states have internal predecessors, (2336), 747 states have call successors, (747), 169 states have call predecessors, (747), 168 states have return successors, (743), 740 states have call predecessors, (743), 743 states have call successors, (743) [2021-12-18 15:47:28,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-18 15:47:28,663 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:28,664 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] [2021-12-18 15:47:28,664 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 26 more)] === [2021-12-18 15:47:28,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:28,668 INFO L85 PathProgramCache]: Analyzing trace with hash 2027901409, now seen corresponding path program 1 times [2021-12-18 15:47:28,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:28,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669070048] [2021-12-18 15:47:28,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:28,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:29,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:29,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:29,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:29,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:29,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:29,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:29,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:29,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:29,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:29,337 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:29,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:29,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669070048] [2021-12-18 15:47:29,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669070048] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:29,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:29,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:29,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272443389] [2021-12-18 15:47:29,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:29,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:29,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:29,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:29,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:29,378 INFO L87 Difference]: Start difference. First operand has 2811 states, 1867 states have (on average 1.2512051419389394) internal successors, (2336), 1929 states have internal predecessors, (2336), 747 states have call successors, (747), 169 states have call predecessors, (747), 168 states have return successors, (743), 740 states have call predecessors, (743), 743 states have call successors, (743) 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) [2021-12-18 15:47:34,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:34,331 INFO L93 Difference]: Finished difference Result 5587 states and 7723 transitions. [2021-12-18 15:47:34,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:34,333 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 [2021-12-18 15:47:34,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:34,355 INFO L225 Difference]: With dead ends: 5587 [2021-12-18 15:47:34,359 INFO L226 Difference]: Without dead ends: 2790 [2021-12-18 15:47:34,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:34,382 INFO L933 BasicCegarLoop]: 3395 mSDtfsCounter, 5365 mSDsluCounter, 3874 mSDsCounter, 0 mSdLazyCounter, 2855 mSolverCounterSat, 3016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5719 SdHoareTripleChecker+Valid, 7269 SdHoareTripleChecker+Invalid, 5871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3016 IncrementalHoareTripleChecker+Valid, 2855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:34,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5719 Valid, 7269 Invalid, 5871 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3016 Valid, 2855 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-12-18 15:47:34,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2790 states. [2021-12-18 15:47:34,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2790 to 2790. [2021-12-18 15:47:34,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2790 states, 1853 states have (on average 1.2288181327576901) internal successors, (2277), 1912 states have internal predecessors, (2277), 743 states have call successors, (743), 168 states have call predecessors, (743), 167 states have return successors, (741), 738 states have call predecessors, (741), 741 states have call successors, (741) [2021-12-18 15:47:34,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3761 transitions. [2021-12-18 15:47:34,601 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3761 transitions. Word has length 64 [2021-12-18 15:47:34,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:34,602 INFO L470 AbstractCegarLoop]: Abstraction has 2790 states and 3761 transitions. [2021-12-18 15:47:34,602 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) [2021-12-18 15:47:34,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3761 transitions. [2021-12-18 15:47:34,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-12-18 15:47:34,604 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:34,605 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] [2021-12-18 15:47:34,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 15:47:34,605 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 26 more)] === [2021-12-18 15:47:34,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:34,606 INFO L85 PathProgramCache]: Analyzing trace with hash 448784213, now seen corresponding path program 1 times [2021-12-18 15:47:34,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:34,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277843013] [2021-12-18 15:47:34,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:34,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:34,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:34,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:34,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:34,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:34,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:34,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:34,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:34,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:34,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:34,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:34,864 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:34,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:34,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277843013] [2021-12-18 15:47:34,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277843013] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:34,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:34,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:34,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385264038] [2021-12-18 15:47:34,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:34,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:34,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:34,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:34,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:34,868 INFO L87 Difference]: Start difference. First operand 2790 states and 3761 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) [2021-12-18 15:47:39,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:39,113 INFO L93 Difference]: Finished difference Result 2790 states and 3761 transitions. [2021-12-18 15:47:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:39,114 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 [2021-12-18 15:47:39,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:39,126 INFO L225 Difference]: With dead ends: 2790 [2021-12-18 15:47:39,126 INFO L226 Difference]: Without dead ends: 2788 [2021-12-18 15:47:39,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:39,130 INFO L933 BasicCegarLoop]: 3376 mSDtfsCounter, 5330 mSDsluCounter, 3856 mSDsCounter, 0 mSdLazyCounter, 2842 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5681 SdHoareTripleChecker+Valid, 7232 SdHoareTripleChecker+Invalid, 5850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:39,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5681 Valid, 7232 Invalid, 5850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2842 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-18 15:47:39,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2788 states. [2021-12-18 15:47:39,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788. [2021-12-18 15:47:39,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2788 states, 1852 states have (on average 1.2284017278617712) internal successors, (2275), 1910 states have internal predecessors, (2275), 743 states have call successors, (743), 168 states have call predecessors, (743), 167 states have return successors, (741), 738 states have call predecessors, (741), 741 states have call successors, (741) [2021-12-18 15:47:39,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 3759 transitions. [2021-12-18 15:47:39,239 INFO L78 Accepts]: Start accepts. Automaton has 2788 states and 3759 transitions. Word has length 70 [2021-12-18 15:47:39,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:39,241 INFO L470 AbstractCegarLoop]: Abstraction has 2788 states and 3759 transitions. [2021-12-18 15:47:39,241 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) [2021-12-18 15:47:39,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 3759 transitions. [2021-12-18 15:47:39,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-12-18 15:47:39,245 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:39,246 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] [2021-12-18 15:47:39,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 15:47:39,246 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 26 more)] === [2021-12-18 15:47:39,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:39,246 INFO L85 PathProgramCache]: Analyzing trace with hash 389019225, now seen corresponding path program 1 times [2021-12-18 15:47:39,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:39,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461685203] [2021-12-18 15:47:39,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:39,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:47:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,504 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:39,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:39,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461685203] [2021-12-18 15:47:39,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461685203] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:39,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:39,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:39,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863943334] [2021-12-18 15:47:39,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:39,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:39,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:39,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:39,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:39,507 INFO L87 Difference]: Start difference. First operand 2788 states and 3759 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) [2021-12-18 15:47:43,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:43,046 INFO L93 Difference]: Finished difference Result 2788 states and 3759 transitions. [2021-12-18 15:47:43,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:43,047 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 [2021-12-18 15:47:43,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:43,080 INFO L225 Difference]: With dead ends: 2788 [2021-12-18 15:47:43,088 INFO L226 Difference]: Without dead ends: 2786 [2021-12-18 15:47:43,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:43,091 INFO L933 BasicCegarLoop]: 3374 mSDtfsCounter, 5324 mSDsluCounter, 3856 mSDsCounter, 0 mSdLazyCounter, 2840 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5674 SdHoareTripleChecker+Valid, 7230 SdHoareTripleChecker+Invalid, 5848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:43,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5674 Valid, 7230 Invalid, 5848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2840 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-18 15:47:43,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2021-12-18 15:47:43,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2786. [2021-12-18 15:47:43,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2786 states, 1851 states have (on average 1.2279848730415992) internal successors, (2273), 1908 states have internal predecessors, (2273), 743 states have call successors, (743), 168 states have call predecessors, (743), 167 states have return successors, (741), 738 states have call predecessors, (741), 741 states have call successors, (741) [2021-12-18 15:47:43,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2786 states and 3757 transitions. [2021-12-18 15:47:43,267 INFO L78 Accepts]: Start accepts. Automaton has 2786 states and 3757 transitions. Word has length 76 [2021-12-18 15:47:43,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:43,268 INFO L470 AbstractCegarLoop]: Abstraction has 2786 states and 3757 transitions. [2021-12-18 15:47:43,268 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) [2021-12-18 15:47:43,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 3757 transitions. [2021-12-18 15:47:43,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-18 15:47:43,284 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:43,284 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] [2021-12-18 15:47:43,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 15:47:43,284 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 26 more)] === [2021-12-18 15:47:43,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:43,285 INFO L85 PathProgramCache]: Analyzing trace with hash -911337061, now seen corresponding path program 1 times [2021-12-18 15:47:43,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:43,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086001196] [2021-12-18 15:47:43,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:43,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:43,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:43,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:43,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:43,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:43,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:43,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:43,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:43,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:43,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:43,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:43,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:47:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:43,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:47:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:43,581 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:43,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:43,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086001196] [2021-12-18 15:47:43,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086001196] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:43,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:43,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:43,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579041994] [2021-12-18 15:47:43,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:43,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:43,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:43,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:43,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:43,584 INFO L87 Difference]: Start difference. First operand 2786 states and 3757 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) [2021-12-18 15:47:47,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:47:50,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:50,010 INFO L93 Difference]: Finished difference Result 2786 states and 3757 transitions. [2021-12-18 15:47:50,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:50,010 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 [2021-12-18 15:47:50,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:50,022 INFO L225 Difference]: With dead ends: 2786 [2021-12-18 15:47:50,022 INFO L226 Difference]: Without dead ends: 2784 [2021-12-18 15:47:50,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:50,024 INFO L933 BasicCegarLoop]: 3372 mSDtfsCounter, 5318 mSDsluCounter, 3856 mSDsCounter, 0 mSdLazyCounter, 2837 mSolverCounterSat, 3008 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5667 SdHoareTripleChecker+Valid, 7228 SdHoareTripleChecker+Invalid, 5846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2837 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:50,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5667 Valid, 7228 Invalid, 5846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2837 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2021-12-18 15:47:50,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2021-12-18 15:47:50,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2784. [2021-12-18 15:47:50,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2784 states, 1850 states have (on average 1.2275675675675675) internal successors, (2271), 1906 states have internal predecessors, (2271), 743 states have call successors, (743), 168 states have call predecessors, (743), 167 states have return successors, (741), 738 states have call predecessors, (741), 741 states have call successors, (741) [2021-12-18 15:47:50,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 3755 transitions. [2021-12-18 15:47:50,193 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 3755 transitions. Word has length 82 [2021-12-18 15:47:50,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:50,193 INFO L470 AbstractCegarLoop]: Abstraction has 2784 states and 3755 transitions. [2021-12-18 15:47:50,193 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) [2021-12-18 15:47:50,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 3755 transitions. [2021-12-18 15:47:50,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-12-18 15:47:50,194 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:50,194 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] [2021-12-18 15:47:50,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 15:47:50,196 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 26 more)] === [2021-12-18 15:47:50,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:50,196 INFO L85 PathProgramCache]: Analyzing trace with hash 752591608, now seen corresponding path program 1 times [2021-12-18 15:47:50,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:50,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599759799] [2021-12-18 15:47:50,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:50,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:47:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:47:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:47:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,658 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:50,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:50,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599759799] [2021-12-18 15:47:50,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599759799] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:50,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:50,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:50,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048347647] [2021-12-18 15:47:50,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:50,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:50,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:50,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:50,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:50,660 INFO L87 Difference]: Start difference. First operand 2784 states and 3755 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) [2021-12-18 15:47:55,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:55,473 INFO L93 Difference]: Finished difference Result 2784 states and 3755 transitions. [2021-12-18 15:47:55,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:55,474 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 [2021-12-18 15:47:55,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:55,498 INFO L225 Difference]: With dead ends: 2784 [2021-12-18 15:47:55,504 INFO L226 Difference]: Without dead ends: 2782 [2021-12-18 15:47:55,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:55,507 INFO L933 BasicCegarLoop]: 3370 mSDtfsCounter, 5312 mSDsluCounter, 3856 mSDsCounter, 0 mSdLazyCounter, 2836 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5660 SdHoareTripleChecker+Valid, 7226 SdHoareTripleChecker+Invalid, 5844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:55,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5660 Valid, 7226 Invalid, 5844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2836 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-18 15:47:55,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2782 states. [2021-12-18 15:47:55,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2782 to 2782. [2021-12-18 15:47:55,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2782 states, 1849 states have (on average 1.227149810708491) internal successors, (2269), 1904 states have internal predecessors, (2269), 743 states have call successors, (743), 168 states have call predecessors, (743), 167 states have return successors, (741), 738 states have call predecessors, (741), 741 states have call successors, (741) [2021-12-18 15:47:55,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2782 states to 2782 states and 3753 transitions. [2021-12-18 15:47:55,739 INFO L78 Accepts]: Start accepts. Automaton has 2782 states and 3753 transitions. Word has length 88 [2021-12-18 15:47:55,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:55,749 INFO L470 AbstractCegarLoop]: Abstraction has 2782 states and 3753 transitions. [2021-12-18 15:47:55,750 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) [2021-12-18 15:47:55,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2782 states and 3753 transitions. [2021-12-18 15:47:55,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-18 15:47:55,756 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:55,756 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, 1, 1, 1] [2021-12-18 15:47:55,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 15:47:55,756 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 26 more)] === [2021-12-18 15:47:55,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:55,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1311475397, now seen corresponding path program 1 times [2021-12-18 15:47:55,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:55,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693020833] [2021-12-18 15:47:55,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:55,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:55,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:55,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:55,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:55,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:47:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:55,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:55,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:47:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:55,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:47:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:55,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:47:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:55,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:55,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:47:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:55,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:47:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:55,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:47:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:55,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:55,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:47:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:55,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:47:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:55,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:47:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:55,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:47:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:56,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:47:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:56,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 15:47:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:56,027 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-18 15:47:56,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:56,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693020833] [2021-12-18 15:47:56,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693020833] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:56,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:56,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:56,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98612523] [2021-12-18 15:47:56,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:56,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:56,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:56,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:56,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:56,030 INFO L87 Difference]: Start difference. First operand 2782 states and 3753 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 15:47:59,702 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:48:07,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:07,971 INFO L93 Difference]: Finished difference Result 7748 states and 10488 transitions. [2021-12-18 15:48:07,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 15:48:07,973 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (13), 4 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 114 [2021-12-18 15:48:07,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:08,010 INFO L225 Difference]: With dead ends: 7748 [2021-12-18 15:48:08,010 INFO L226 Difference]: Without dead ends: 4987 [2021-12-18 15:48:08,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:48:08,025 INFO L933 BasicCegarLoop]: 4228 mSDtfsCounter, 8722 mSDsluCounter, 5415 mSDsCounter, 0 mSdLazyCounter, 5801 mSolverCounterSat, 5797 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9089 SdHoareTripleChecker+Valid, 9643 SdHoareTripleChecker+Invalid, 11599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5797 IncrementalHoareTripleChecker+Valid, 5801 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:08,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9089 Valid, 9643 Invalid, 11599 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5797 Valid, 5801 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2021-12-18 15:48:08,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4987 states. [2021-12-18 15:48:08,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4987 to 4741. [2021-12-18 15:48:08,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4741 states, 3176 states have (on average 1.2301637279596978) internal successors, (3907), 3253 states have internal predecessors, (3907), 1252 states have call successors, (1252), 291 states have call predecessors, (1252), 290 states have return successors, (1250), 1243 states have call predecessors, (1250), 1250 states have call successors, (1250) [2021-12-18 15:48:08,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4741 states to 4741 states and 6409 transitions. [2021-12-18 15:48:08,305 INFO L78 Accepts]: Start accepts. Automaton has 4741 states and 6409 transitions. Word has length 114 [2021-12-18 15:48:08,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:08,305 INFO L470 AbstractCegarLoop]: Abstraction has 4741 states and 6409 transitions. [2021-12-18 15:48:08,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 15:48:08,305 INFO L276 IsEmpty]: Start isEmpty. Operand 4741 states and 6409 transitions. [2021-12-18 15:48:08,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-18 15:48:08,306 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:08,306 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] [2021-12-18 15:48:08,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 15:48:08,307 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 26 more)] === [2021-12-18 15:48:08,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:08,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1586676970, now seen corresponding path program 1 times [2021-12-18 15:48:08,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:08,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108591380] [2021-12-18 15:48:08,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:08,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:08,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:08,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:08,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:08,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:48:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:08,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:48:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:08,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:48:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:08,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:08,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:48:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:08,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:48:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:08,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:48:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:08,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:48:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:08,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:48:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:08,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:48:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:08,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:48:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:08,574 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:48:08,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:08,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108591380] [2021-12-18 15:48:08,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108591380] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:48:08,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:48:08,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:48:08,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614001737] [2021-12-18 15:48:08,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:48:08,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:48:08,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:08,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:48:08,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:48:08,577 INFO L87 Difference]: Start difference. First operand 4741 states and 6409 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) [2021-12-18 15:48:13,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:13,687 INFO L93 Difference]: Finished difference Result 4741 states and 6409 transitions. [2021-12-18 15:48:13,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:48:13,687 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 [2021-12-18 15:48:13,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:13,706 INFO L225 Difference]: With dead ends: 4741 [2021-12-18 15:48:13,706 INFO L226 Difference]: Without dead ends: 4739 [2021-12-18 15:48:13,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:48:13,709 INFO L933 BasicCegarLoop]: 3368 mSDtfsCounter, 5306 mSDsluCounter, 3856 mSDsCounter, 0 mSdLazyCounter, 2834 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5653 SdHoareTripleChecker+Valid, 7224 SdHoareTripleChecker+Invalid, 5842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:13,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5653 Valid, 7224 Invalid, 5842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2834 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-12-18 15:48:13,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4739 states. [2021-12-18 15:48:13,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4739 to 4739. [2021-12-18 15:48:13,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4739 states, 3175 states have (on average 1.2299212598425198) internal successors, (3905), 3251 states have internal predecessors, (3905), 1252 states have call successors, (1252), 291 states have call predecessors, (1252), 290 states have return successors, (1250), 1243 states have call predecessors, (1250), 1250 states have call successors, (1250) [2021-12-18 15:48:13,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4739 states to 4739 states and 6407 transitions. [2021-12-18 15:48:13,975 INFO L78 Accepts]: Start accepts. Automaton has 4739 states and 6407 transitions. Word has length 94 [2021-12-18 15:48:13,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:13,976 INFO L470 AbstractCegarLoop]: Abstraction has 4739 states and 6407 transitions. [2021-12-18 15:48:13,976 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) [2021-12-18 15:48:13,976 INFO L276 IsEmpty]: Start isEmpty. Operand 4739 states and 6407 transitions. [2021-12-18 15:48:13,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-18 15:48:13,977 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:13,978 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2021-12-18 15:48:13,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 15:48:13,979 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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 26 more)] === [2021-12-18 15:48:13,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:13,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1968530738, now seen corresponding path program 1 times [2021-12-18 15:48:13,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:13,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136867486] [2021-12-18 15:48:13,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:13,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:48:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:48:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:48:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:48:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:48:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:48:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:48:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:48:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 15:48:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:14,297 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-12-18 15:48:14,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:14,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136867486] [2021-12-18 15:48:14,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136867486] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:48:14,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:48:14,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 15:48:14,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371600050] [2021-12-18 15:48:14,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:48:14,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 15:48:14,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:14,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 15:48:14,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:48:14,299 INFO L87 Difference]: Start difference. First operand 4739 states and 6407 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 15:48:22,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:22,593 INFO L93 Difference]: Finished difference Result 5146 states and 6980 transitions. [2021-12-18 15:48:22,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 15:48:22,593 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 119 [2021-12-18 15:48:22,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:22,634 INFO L225 Difference]: With dead ends: 5146 [2021-12-18 15:48:22,634 INFO L226 Difference]: Without dead ends: 5144 [2021-12-18 15:48:22,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2021-12-18 15:48:22,638 INFO L933 BasicCegarLoop]: 3390 mSDtfsCounter, 8001 mSDsluCounter, 7788 mSDsCounter, 0 mSdLazyCounter, 6465 mSolverCounterSat, 5528 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8341 SdHoareTripleChecker+Valid, 11178 SdHoareTripleChecker+Invalid, 11993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5528 IncrementalHoareTripleChecker+Valid, 6465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:22,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8341 Valid, 11178 Invalid, 11993 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5528 Valid, 6465 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2021-12-18 15:48:22,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5144 states. [2021-12-18 15:48:22,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5144 to 4837. [2021-12-18 15:48:22,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4837 states, 3242 states have (on average 1.229796421961752) internal successors, (3987), 3317 states have internal predecessors, (3987), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 307 states have return successors, (1265), 1258 states have call predecessors, (1265), 1265 states have call successors, (1265) [2021-12-18 15:48:22,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4837 states to 4837 states and 6519 transitions. [2021-12-18 15:48:22,892 INFO L78 Accepts]: Start accepts. Automaton has 4837 states and 6519 transitions. Word has length 119 [2021-12-18 15:48:22,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:22,892 INFO L470 AbstractCegarLoop]: Abstraction has 4837 states and 6519 transitions. [2021-12-18 15:48:22,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 15:48:22,893 INFO L276 IsEmpty]: Start isEmpty. Operand 4837 states and 6519 transitions. [2021-12-18 15:48:22,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-18 15:48:22,895 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:22,895 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, 1, 1, 1] [2021-12-18 15:48:22,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 15:48:22,895 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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 26 more)] === [2021-12-18 15:48:22,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:22,896 INFO L85 PathProgramCache]: Analyzing trace with hash -672964054, now seen corresponding path program 1 times [2021-12-18 15:48:22,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:22,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123616537] [2021-12-18 15:48:22,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:22,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:48:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:48:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:48:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:48:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:48:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:48:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 15:48:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 15:48:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,145 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-12-18 15:48:23,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:23,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123616537] [2021-12-18 15:48:23,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123616537] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:48:23,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610839110] [2021-12-18 15:48:23,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:23,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:48:23,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:48:23,148 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) [2021-12-18 15:48:23,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 15:48:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 2826 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 15:48:24,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:48:24,193 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-18 15:48:24,193 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:48:24,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610839110] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:48:24,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 15:48:24,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-12-18 15:48:24,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794973039] [2021-12-18 15:48:24,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:48:24,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 15:48:24,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:24,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 15:48:24,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:48:24,195 INFO L87 Difference]: Start difference. First operand 4837 states and 6519 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 15:48:24,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:24,350 INFO L93 Difference]: Finished difference Result 9649 states and 13003 transitions. [2021-12-18 15:48:24,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 15:48:24,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 120 [2021-12-18 15:48:24,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:24,363 INFO L225 Difference]: With dead ends: 9649 [2021-12-18 15:48:24,363 INFO L226 Difference]: Without dead ends: 4833 [2021-12-18 15:48:24,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:48:24,375 INFO L933 BasicCegarLoop]: 3743 mSDtfsCounter, 3723 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3723 SdHoareTripleChecker+Valid, 3743 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 [2021-12-18 15:48:24,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3723 Valid, 3743 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 15:48:24,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4833 states. [2021-12-18 15:48:24,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4833 to 4833. [2021-12-18 15:48:24,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4833 states, 3239 states have (on average 1.2293917875887619) internal successors, (3982), 3313 states have internal predecessors, (3982), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 307 states have return successors, (1265), 1258 states have call predecessors, (1265), 1265 states have call successors, (1265) [2021-12-18 15:48:24,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4833 states to 4833 states and 6514 transitions. [2021-12-18 15:48:24,515 INFO L78 Accepts]: Start accepts. Automaton has 4833 states and 6514 transitions. Word has length 120 [2021-12-18 15:48:24,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:24,516 INFO L470 AbstractCegarLoop]: Abstraction has 4833 states and 6514 transitions. [2021-12-18 15:48:24,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 15:48:24,516 INFO L276 IsEmpty]: Start isEmpty. Operand 4833 states and 6514 transitions. [2021-12-18 15:48:24,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-18 15:48:24,517 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:24,517 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] [2021-12-18 15:48:24,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-18 15:48:24,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:48:24,739 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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 26 more)] === [2021-12-18 15:48:24,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:24,739 INFO L85 PathProgramCache]: Analyzing trace with hash -713715009, now seen corresponding path program 1 times [2021-12-18 15:48:24,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:24,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723965010] [2021-12-18 15:48:24,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:24,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:24,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:24,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:48:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:24,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:48:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:24,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:48:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:24,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:48:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:24,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:48:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:24,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:48:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:24,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:48:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:24,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:48:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:24,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:48:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:24,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:48:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:24,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:48:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:24,944 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:48:24,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:24,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723965010] [2021-12-18 15:48:24,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723965010] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:48:24,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:48:24,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:48:24,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73117345] [2021-12-18 15:48:24,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:48:24,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:48:24,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:24,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:48:24,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:48:24,946 INFO L87 Difference]: Start difference. First operand 4833 states and 6514 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) [2021-12-18 15:48:29,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:29,144 INFO L93 Difference]: Finished difference Result 4833 states and 6514 transitions. [2021-12-18 15:48:29,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:48:29,145 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 [2021-12-18 15:48:29,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:29,159 INFO L225 Difference]: With dead ends: 4833 [2021-12-18 15:48:29,164 INFO L226 Difference]: Without dead ends: 4831 [2021-12-18 15:48:29,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:48:29,167 INFO L933 BasicCegarLoop]: 3359 mSDtfsCounter, 5289 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 2829 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5635 SdHoareTripleChecker+Valid, 7201 SdHoareTripleChecker+Invalid, 5837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:29,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5635 Valid, 7201 Invalid, 5837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2829 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-18 15:48:29,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4831 states. [2021-12-18 15:48:29,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4831 to 4831. [2021-12-18 15:48:29,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4831 states, 3238 states have (on average 1.2291537986411365) internal successors, (3980), 3311 states have internal predecessors, (3980), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 307 states have return successors, (1265), 1258 states have call predecessors, (1265), 1265 states have call successors, (1265) [2021-12-18 15:48:29,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4831 states to 4831 states and 6512 transitions. [2021-12-18 15:48:29,471 INFO L78 Accepts]: Start accepts. Automaton has 4831 states and 6512 transitions. Word has length 100 [2021-12-18 15:48:29,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:29,473 INFO L470 AbstractCegarLoop]: Abstraction has 4831 states and 6512 transitions. [2021-12-18 15:48:29,473 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) [2021-12-18 15:48:29,473 INFO L276 IsEmpty]: Start isEmpty. Operand 4831 states and 6512 transitions. [2021-12-18 15:48:29,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-18 15:48:29,474 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:29,474 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] [2021-12-18 15:48:29,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 15:48:29,474 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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 26 more)] === [2021-12-18 15:48:29,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:29,475 INFO L85 PathProgramCache]: Analyzing trace with hash 701704066, now seen corresponding path program 1 times [2021-12-18 15:48:29,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:29,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317426471] [2021-12-18 15:48:29,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:29,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:29,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:29,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:29,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:29,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:48:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:29,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:48:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:29,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:48:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:29,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:29,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:48:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:29,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:48:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:29,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:48:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:29,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:48:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:29,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:48:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:29,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:48:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:29,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:48:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:29,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:48:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:29,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:48:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:29,800 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:48:29,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:29,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317426471] [2021-12-18 15:48:29,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317426471] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:48:29,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:48:29,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:48:29,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557604920] [2021-12-18 15:48:29,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:48:29,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:48:29,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:29,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:48:29,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:48:29,802 INFO L87 Difference]: Start difference. First operand 4831 states and 6512 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) [2021-12-18 15:48:33,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:33,965 INFO L93 Difference]: Finished difference Result 4831 states and 6512 transitions. [2021-12-18 15:48:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:48:33,965 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 [2021-12-18 15:48:33,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:33,979 INFO L225 Difference]: With dead ends: 4831 [2021-12-18 15:48:33,981 INFO L226 Difference]: Without dead ends: 4829 [2021-12-18 15:48:33,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:48:33,986 INFO L933 BasicCegarLoop]: 3357 mSDtfsCounter, 5287 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 2823 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5632 SdHoareTripleChecker+Valid, 7199 SdHoareTripleChecker+Invalid, 5831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:33,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5632 Valid, 7199 Invalid, 5831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2823 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-18 15:48:33,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4829 states. [2021-12-18 15:48:34,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4829 to 4829. [2021-12-18 15:48:34,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4829 states, 3237 states have (on average 1.2289156626506024) internal successors, (3978), 3309 states have internal predecessors, (3978), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 307 states have return successors, (1265), 1258 states have call predecessors, (1265), 1265 states have call successors, (1265) [2021-12-18 15:48:34,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4829 states to 4829 states and 6510 transitions. [2021-12-18 15:48:34,202 INFO L78 Accepts]: Start accepts. Automaton has 4829 states and 6510 transitions. Word has length 106 [2021-12-18 15:48:34,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:34,202 INFO L470 AbstractCegarLoop]: Abstraction has 4829 states and 6510 transitions. [2021-12-18 15:48:34,203 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) [2021-12-18 15:48:34,203 INFO L276 IsEmpty]: Start isEmpty. Operand 4829 states and 6510 transitions. [2021-12-18 15:48:34,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-12-18 15:48:34,204 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:34,204 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] [2021-12-18 15:48:34,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 15:48:34,204 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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 26 more)] === [2021-12-18 15:48:34,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:34,205 INFO L85 PathProgramCache]: Analyzing trace with hash 27894981, now seen corresponding path program 1 times [2021-12-18 15:48:34,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:34,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930452733] [2021-12-18 15:48:34,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:34,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:34,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:34,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:34,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:34,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:48:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:34,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:48:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:34,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:48:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:34,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:34,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:48:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:34,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:48:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:34,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:48:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:34,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:48:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:34,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:48:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:34,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:48:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:34,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:48:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:34,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:48:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:34,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:48:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:34,438 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:48:34,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:34,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930452733] [2021-12-18 15:48:34,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930452733] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:48:34,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:48:34,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:48:34,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273515790] [2021-12-18 15:48:34,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:48:34,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:48:34,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:34,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:48:34,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:48:34,440 INFO L87 Difference]: Start difference. First operand 4829 states and 6510 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) [2021-12-18 15:48:39,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:39,051 INFO L93 Difference]: Finished difference Result 4829 states and 6510 transitions. [2021-12-18 15:48:39,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:48:39,052 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 [2021-12-18 15:48:39,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:39,080 INFO L225 Difference]: With dead ends: 4829 [2021-12-18 15:48:39,080 INFO L226 Difference]: Without dead ends: 4827 [2021-12-18 15:48:39,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:48:39,088 INFO L933 BasicCegarLoop]: 3355 mSDtfsCounter, 5275 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 2825 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5620 SdHoareTripleChecker+Valid, 7197 SdHoareTripleChecker+Invalid, 5833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:39,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5620 Valid, 7197 Invalid, 5833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2825 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-18 15:48:39,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4827 states. [2021-12-18 15:48:39,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4827 to 4827. [2021-12-18 15:48:39,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4827 states, 3236 states have (on average 1.2286773794808405) internal successors, (3976), 3307 states have internal predecessors, (3976), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 307 states have return successors, (1265), 1258 states have call predecessors, (1265), 1265 states have call successors, (1265) [2021-12-18 15:48:39,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4827 states to 4827 states and 6508 transitions. [2021-12-18 15:48:39,295 INFO L78 Accepts]: Start accepts. Automaton has 4827 states and 6508 transitions. Word has length 108 [2021-12-18 15:48:39,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:39,295 INFO L470 AbstractCegarLoop]: Abstraction has 4827 states and 6508 transitions. [2021-12-18 15:48:39,296 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) [2021-12-18 15:48:39,296 INFO L276 IsEmpty]: Start isEmpty. Operand 4827 states and 6508 transitions. [2021-12-18 15:48:39,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-18 15:48:39,297 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:39,297 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] [2021-12-18 15:48:39,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 15:48:39,297 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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 26 more)] === [2021-12-18 15:48:39,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:39,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1028386273, now seen corresponding path program 1 times [2021-12-18 15:48:39,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:39,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911505136] [2021-12-18 15:48:39,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:39,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:39,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:39,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:39,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:48:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:48:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:39,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:48:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:39,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:48:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:39,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:48:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:39,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:48:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:39,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:48:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:39,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:48:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:39,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:48:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:39,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:48:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:48:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:39,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:48:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:39,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:48:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:39,622 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:48:39,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:39,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911505136] [2021-12-18 15:48:39,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911505136] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:48:39,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:48:39,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:48:39,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328681236] [2021-12-18 15:48:39,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:48:39,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:48:39,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:39,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:48:39,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:48:39,625 INFO L87 Difference]: Start difference. First operand 4827 states and 6508 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) [2021-12-18 15:48:45,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:45,319 INFO L93 Difference]: Finished difference Result 4827 states and 6508 transitions. [2021-12-18 15:48:45,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:48:45,319 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 [2021-12-18 15:48:45,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:45,332 INFO L225 Difference]: With dead ends: 4827 [2021-12-18 15:48:45,332 INFO L226 Difference]: Without dead ends: 4825 [2021-12-18 15:48:45,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:48:45,333 INFO L933 BasicCegarLoop]: 3353 mSDtfsCounter, 5271 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 2823 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5615 SdHoareTripleChecker+Valid, 7195 SdHoareTripleChecker+Invalid, 5831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:45,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5615 Valid, 7195 Invalid, 5831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2823 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2021-12-18 15:48:45,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4825 states. [2021-12-18 15:48:45,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4825 to 4825. [2021-12-18 15:48:45,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4825 states, 3235 states have (on average 1.2284389489953633) internal successors, (3974), 3305 states have internal predecessors, (3974), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 307 states have return successors, (1265), 1258 states have call predecessors, (1265), 1265 states have call successors, (1265) [2021-12-18 15:48:45,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4825 states to 4825 states and 6506 transitions. [2021-12-18 15:48:45,575 INFO L78 Accepts]: Start accepts. Automaton has 4825 states and 6506 transitions. Word has length 114 [2021-12-18 15:48:45,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:45,576 INFO L470 AbstractCegarLoop]: Abstraction has 4825 states and 6506 transitions. [2021-12-18 15:48:45,576 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) [2021-12-18 15:48:45,576 INFO L276 IsEmpty]: Start isEmpty. Operand 4825 states and 6506 transitions. [2021-12-18 15:48:45,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-18 15:48:45,577 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:45,577 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] [2021-12-18 15:48:45,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 15:48:45,578 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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 26 more)] === [2021-12-18 15:48:45,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:45,578 INFO L85 PathProgramCache]: Analyzing trace with hash 2138645625, now seen corresponding path program 1 times [2021-12-18 15:48:45,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:45,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841879368] [2021-12-18 15:48:45,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:45,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:48:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:48:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:48:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:48:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:48:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:48:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:48:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:48:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:48:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:48:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:48:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:48:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:48:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:48:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:45,760 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:48:45,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:45,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841879368] [2021-12-18 15:48:45,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841879368] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:48:45,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:48:45,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:48:45,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985502630] [2021-12-18 15:48:45,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:48:45,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:48:45,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:45,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:48:45,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:48:45,762 INFO L87 Difference]: Start difference. First operand 4825 states and 6506 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) [2021-12-18 15:48:50,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:50,408 INFO L93 Difference]: Finished difference Result 4825 states and 6506 transitions. [2021-12-18 15:48:50,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:48:50,408 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 [2021-12-18 15:48:50,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:50,475 INFO L225 Difference]: With dead ends: 4825 [2021-12-18 15:48:50,475 INFO L226 Difference]: Without dead ends: 4823 [2021-12-18 15:48:50,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:48:50,477 INFO L933 BasicCegarLoop]: 3351 mSDtfsCounter, 5265 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 2821 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5608 SdHoareTripleChecker+Valid, 7193 SdHoareTripleChecker+Invalid, 5829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:50,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5608 Valid, 7193 Invalid, 5829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2821 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-18 15:48:50,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4823 states. [2021-12-18 15:48:50,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4823 to 4823. [2021-12-18 15:48:50,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4823 states, 3234 states have (on average 1.228200371057514) internal successors, (3972), 3303 states have internal predecessors, (3972), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 307 states have return successors, (1265), 1258 states have call predecessors, (1265), 1265 states have call successors, (1265) [2021-12-18 15:48:50,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4823 states to 4823 states and 6504 transitions. [2021-12-18 15:48:50,677 INFO L78 Accepts]: Start accepts. Automaton has 4823 states and 6504 transitions. Word has length 120 [2021-12-18 15:48:50,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:50,678 INFO L470 AbstractCegarLoop]: Abstraction has 4823 states and 6504 transitions. [2021-12-18 15:48:50,678 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) [2021-12-18 15:48:50,678 INFO L276 IsEmpty]: Start isEmpty. Operand 4823 states and 6504 transitions. [2021-12-18 15:48:50,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-18 15:48:50,679 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:50,680 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] [2021-12-18 15:48:50,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 15:48:50,680 INFO L402 AbstractCegarLoop]: === Iteration 15 === 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 26 more)] === [2021-12-18 15:48:50,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:50,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1305243317, now seen corresponding path program 1 times [2021-12-18 15:48:50,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:50,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97865544] [2021-12-18 15:48:50,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:50,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:48:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:48:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:48:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:48:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:48:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:48:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:48:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:48:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:48:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:48:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:48:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:48:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:48:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:48:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:48:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:50,898 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:48:50,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:50,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97865544] [2021-12-18 15:48:50,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97865544] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:48:50,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:48:50,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:48:50,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802033806] [2021-12-18 15:48:50,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:48:50,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:48:50,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:50,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:48:50,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:48:50,902 INFO L87 Difference]: Start difference. First operand 4823 states and 6504 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) [2021-12-18 15:48:56,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:56,632 INFO L93 Difference]: Finished difference Result 4823 states and 6504 transitions. [2021-12-18 15:48:56,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:48:56,632 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 [2021-12-18 15:48:56,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:56,644 INFO L225 Difference]: With dead ends: 4823 [2021-12-18 15:48:56,645 INFO L226 Difference]: Without dead ends: 4821 [2021-12-18 15:48:56,648 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 [2021-12-18 15:48:56,649 INFO L933 BasicCegarLoop]: 3349 mSDtfsCounter, 5259 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 2819 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5601 SdHoareTripleChecker+Valid, 7191 SdHoareTripleChecker+Invalid, 5827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:56,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5601 Valid, 7191 Invalid, 5827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2819 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-18 15:48:56,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4821 states. [2021-12-18 15:48:56,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4821 to 4821. [2021-12-18 15:48:56,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4821 states, 3233 states have (on average 1.2279616455304672) internal successors, (3970), 3301 states have internal predecessors, (3970), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 307 states have return successors, (1265), 1258 states have call predecessors, (1265), 1265 states have call successors, (1265) [2021-12-18 15:48:56,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4821 states to 4821 states and 6502 transitions. [2021-12-18 15:48:56,852 INFO L78 Accepts]: Start accepts. Automaton has 4821 states and 6502 transitions. Word has length 126 [2021-12-18 15:48:56,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:56,852 INFO L470 AbstractCegarLoop]: Abstraction has 4821 states and 6502 transitions. [2021-12-18 15:48:56,852 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) [2021-12-18 15:48:56,852 INFO L276 IsEmpty]: Start isEmpty. Operand 4821 states and 6502 transitions. [2021-12-18 15:48:56,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-18 15:48:56,854 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:56,854 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] [2021-12-18 15:48:56,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 15:48:56,854 INFO L402 AbstractCegarLoop]: === Iteration 16 === 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 26 more)] === [2021-12-18 15:48:56,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:56,855 INFO L85 PathProgramCache]: Analyzing trace with hash 748521105, now seen corresponding path program 1 times [2021-12-18 15:48:56,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:56,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56866452] [2021-12-18 15:48:56,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:56,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:56,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:56,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:56,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:56,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:48:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:56,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:48:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:56,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:48:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:56,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:48:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:56,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:48:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:56,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:48:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:57,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:48:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:57,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:48:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:48:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:57,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:48:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:57,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:48:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:57,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:48:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:57,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:48:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:57,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:48:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:57,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:48:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:57,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:48:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:57,067 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:48:57,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:57,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56866452] [2021-12-18 15:48:57,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56866452] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:48:57,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:48:57,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:48:57,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874835838] [2021-12-18 15:48:57,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:48:57,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:48:57,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:57,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:48:57,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:48:57,069 INFO L87 Difference]: Start difference. First operand 4821 states and 6502 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) [2021-12-18 15:49:01,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:49:01,702 INFO L93 Difference]: Finished difference Result 4821 states and 6502 transitions. [2021-12-18 15:49:01,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:49:01,702 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 [2021-12-18 15:49:01,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:49:01,715 INFO L225 Difference]: With dead ends: 4821 [2021-12-18 15:49:01,716 INFO L226 Difference]: Without dead ends: 4819 [2021-12-18 15:49:01,718 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 [2021-12-18 15:49:01,719 INFO L933 BasicCegarLoop]: 3347 mSDtfsCounter, 5253 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 2817 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5594 SdHoareTripleChecker+Valid, 7189 SdHoareTripleChecker+Invalid, 5825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:49:01,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5594 Valid, 7189 Invalid, 5825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2817 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-18 15:49:01,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4819 states. [2021-12-18 15:49:01,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4819 to 4819. [2021-12-18 15:49:01,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4819 states, 3232 states have (on average 1.2277227722772277) internal successors, (3968), 3299 states have internal predecessors, (3968), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 307 states have return successors, (1265), 1258 states have call predecessors, (1265), 1265 states have call successors, (1265) [2021-12-18 15:49:01,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4819 states to 4819 states and 6500 transitions. [2021-12-18 15:49:01,939 INFO L78 Accepts]: Start accepts. Automaton has 4819 states and 6500 transitions. Word has length 132 [2021-12-18 15:49:01,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:49:01,940 INFO L470 AbstractCegarLoop]: Abstraction has 4819 states and 6500 transitions. [2021-12-18 15:49:01,940 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) [2021-12-18 15:49:01,941 INFO L276 IsEmpty]: Start isEmpty. Operand 4819 states and 6500 transitions. [2021-12-18 15:49:01,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-12-18 15:49:01,942 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:49:01,943 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2021-12-18 15:49:01,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 15:49:01,943 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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 26 more)] === [2021-12-18 15:49:01,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:49:01,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1075955696, now seen corresponding path program 1 times [2021-12-18 15:49:01,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:49:01,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271185474] [2021-12-18 15:49:01,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:01,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:49:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:49:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:49:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:49:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:49:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:49:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:49:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:49:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:49:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:49:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:49:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 15:49:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:49:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:49:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:49:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:49:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 15:49:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,232 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-18 15:49:02,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:49:02,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271185474] [2021-12-18 15:49:02,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271185474] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:49:02,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:49:02,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 15:49:02,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034250418] [2021-12-18 15:49:02,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:49:02,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 15:49:02,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:49:02,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 15:49:02,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:49:02,235 INFO L87 Difference]: Start difference. First operand 4819 states and 6500 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 7 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 15:49:10,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:49:10,630 INFO L93 Difference]: Finished difference Result 10057 states and 13753 transitions. [2021-12-18 15:49:10,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-18 15:49:10,630 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 7 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 158 [2021-12-18 15:49:10,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:49:10,646 INFO L225 Difference]: With dead ends: 10057 [2021-12-18 15:49:10,646 INFO L226 Difference]: Without dead ends: 5259 [2021-12-18 15:49:10,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2021-12-18 15:49:10,660 INFO L933 BasicCegarLoop]: 3332 mSDtfsCounter, 6644 mSDsluCounter, 6589 mSDsCounter, 0 mSdLazyCounter, 5182 mSolverCounterSat, 6024 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6644 SdHoareTripleChecker+Valid, 9921 SdHoareTripleChecker+Invalid, 11206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6024 IncrementalHoareTripleChecker+Valid, 5182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:49:10,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6644 Valid, 9921 Invalid, 11206 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6024 Valid, 5182 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2021-12-18 15:49:10,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5259 states. [2021-12-18 15:49:10,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5259 to 4823. [2021-12-18 15:49:10,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4823 states, 3236 states have (on average 1.2274412855377008) internal successors, (3972), 3303 states have internal predecessors, (3972), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 307 states have return successors, (1265), 1258 states have call predecessors, (1265), 1265 states have call successors, (1265) [2021-12-18 15:49:10,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4823 states to 4823 states and 6504 transitions. [2021-12-18 15:49:10,955 INFO L78 Accepts]: Start accepts. Automaton has 4823 states and 6504 transitions. Word has length 158 [2021-12-18 15:49:10,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:49:10,955 INFO L470 AbstractCegarLoop]: Abstraction has 4823 states and 6504 transitions. [2021-12-18 15:49:10,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 7 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 15:49:10,956 INFO L276 IsEmpty]: Start isEmpty. Operand 4823 states and 6504 transitions. [2021-12-18 15:49:10,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-12-18 15:49:10,957 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:49:10,957 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] [2021-12-18 15:49:10,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 15:49:10,958 INFO L402 AbstractCegarLoop]: === Iteration 18 === 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 26 more)] === [2021-12-18 15:49:10,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:49:10,958 INFO L85 PathProgramCache]: Analyzing trace with hash -839260956, now seen corresponding path program 1 times [2021-12-18 15:49:10,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:49:10,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647289427] [2021-12-18 15:49:10,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:10,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:49:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:49:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:49:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:49:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:49:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:49:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:49:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:49:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:49:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:49:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:49:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:49:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:49:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:49:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:49:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:49:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:49:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:49:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:49:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:49:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:11,222 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:49:11,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:49:11,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647289427] [2021-12-18 15:49:11,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647289427] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:49:11,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:49:11,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:49:11,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553780717] [2021-12-18 15:49:11,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:49:11,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:49:11,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:49:11,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:49:11,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:49:11,225 INFO L87 Difference]: Start difference. First operand 4823 states and 6504 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) [2021-12-18 15:49:15,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:49:15,772 INFO L93 Difference]: Finished difference Result 4823 states and 6504 transitions. [2021-12-18 15:49:15,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:49:15,773 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 [2021-12-18 15:49:15,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:49:15,787 INFO L225 Difference]: With dead ends: 4823 [2021-12-18 15:49:15,787 INFO L226 Difference]: Without dead ends: 4821 [2021-12-18 15:49:15,790 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 [2021-12-18 15:49:15,790 INFO L933 BasicCegarLoop]: 3345 mSDtfsCounter, 5247 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 2815 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5587 SdHoareTripleChecker+Valid, 7187 SdHoareTripleChecker+Invalid, 5823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:49:15,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5587 Valid, 7187 Invalid, 5823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2815 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-18 15:49:15,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4821 states. [2021-12-18 15:49:15,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4821 to 4821. [2021-12-18 15:49:15,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4821 states, 3235 states have (on average 1.2272024729520865) internal successors, (3970), 3301 states have internal predecessors, (3970), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 307 states have return successors, (1265), 1258 states have call predecessors, (1265), 1265 states have call successors, (1265) [2021-12-18 15:49:16,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4821 states to 4821 states and 6502 transitions. [2021-12-18 15:49:16,001 INFO L78 Accepts]: Start accepts. Automaton has 4821 states and 6502 transitions. Word has length 138 [2021-12-18 15:49:16,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:49:16,001 INFO L470 AbstractCegarLoop]: Abstraction has 4821 states and 6502 transitions. [2021-12-18 15:49:16,001 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) [2021-12-18 15:49:16,002 INFO L276 IsEmpty]: Start isEmpty. Operand 4821 states and 6502 transitions. [2021-12-18 15:49:16,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-12-18 15:49:16,003 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:49:16,004 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] [2021-12-18 15:49:16,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 15:49:16,004 INFO L402 AbstractCegarLoop]: === Iteration 19 === 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 26 more)] === [2021-12-18 15:49:16,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:49:16,004 INFO L85 PathProgramCache]: Analyzing trace with hash 170995971, now seen corresponding path program 1 times [2021-12-18 15:49:16,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:49:16,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46780273] [2021-12-18 15:49:16,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:16,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:49:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:49:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:49:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:49:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:49:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:49:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:49:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:49:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:49:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:49:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:49:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:49:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:49:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:49:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:49:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:49:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:49:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:49:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:49:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:49:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:49:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,258 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:49:16,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:49:16,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46780273] [2021-12-18 15:49:16,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46780273] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:49:16,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:49:16,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:49:16,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813502340] [2021-12-18 15:49:16,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:49:16,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:49:16,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:49:16,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:49:16,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:49:16,260 INFO L87 Difference]: Start difference. First operand 4821 states and 6502 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) [2021-12-18 15:49:21,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:49:21,743 INFO L93 Difference]: Finished difference Result 4821 states and 6502 transitions. [2021-12-18 15:49:21,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:49:21,744 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 [2021-12-18 15:49:21,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:49:21,757 INFO L225 Difference]: With dead ends: 4821 [2021-12-18 15:49:21,757 INFO L226 Difference]: Without dead ends: 4819 [2021-12-18 15:49:21,759 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 [2021-12-18 15:49:21,759 INFO L933 BasicCegarLoop]: 3343 mSDtfsCounter, 5241 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 2813 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5580 SdHoareTripleChecker+Valid, 7185 SdHoareTripleChecker+Invalid, 5821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:49:21,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5580 Valid, 7185 Invalid, 5821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2813 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-18 15:49:21,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4819 states. [2021-12-18 15:49:21,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4819 to 4819. [2021-12-18 15:49:21,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4819 states, 3234 states have (on average 1.2269635126777985) internal successors, (3968), 3299 states have internal predecessors, (3968), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 307 states have return successors, (1265), 1258 states have call predecessors, (1265), 1265 states have call successors, (1265) [2021-12-18 15:49:21,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4819 states to 4819 states and 6500 transitions. [2021-12-18 15:49:21,960 INFO L78 Accepts]: Start accepts. Automaton has 4819 states and 6500 transitions. Word has length 144 [2021-12-18 15:49:21,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:49:21,960 INFO L470 AbstractCegarLoop]: Abstraction has 4819 states and 6500 transitions. [2021-12-18 15:49:21,960 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) [2021-12-18 15:49:21,961 INFO L276 IsEmpty]: Start isEmpty. Operand 4819 states and 6500 transitions. [2021-12-18 15:49:21,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-12-18 15:49:21,962 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:49:21,963 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2021-12-18 15:49:21,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-18 15:49:21,963 INFO L402 AbstractCegarLoop]: === Iteration 20 === 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 26 more)] === [2021-12-18 15:49:21,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:49:21,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1196766316, now seen corresponding path program 1 times [2021-12-18 15:49:21,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:49:21,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355831888] [2021-12-18 15:49:21,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:21,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:49:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:49:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:49:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:49:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:49:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:49:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:49:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:49:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:49:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:49:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:49:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 15:49:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:49:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:49:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:49:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:49:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 15:49:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:49:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:49:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:22,292 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-18 15:49:22,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:49:22,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355831888] [2021-12-18 15:49:22,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355831888] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:49:22,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:49:22,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 15:49:22,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595997652] [2021-12-18 15:49:22,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:49:22,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 15:49:22,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:49:22,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 15:49:22,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:49:22,294 INFO L87 Difference]: Start difference. First operand 4819 states and 6500 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (28), 7 states have call predecessors, (28), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 15:49:33,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:49:33,619 INFO L93 Difference]: Finished difference Result 10035 states and 13666 transitions. [2021-12-18 15:49:33,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-18 15:49:33,619 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (28), 7 states have call predecessors, (28), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) Word has length 169 [2021-12-18 15:49:33,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:49:33,632 INFO L225 Difference]: With dead ends: 10035 [2021-12-18 15:49:33,633 INFO L226 Difference]: Without dead ends: 5237 [2021-12-18 15:49:33,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2021-12-18 15:49:33,645 INFO L933 BasicCegarLoop]: 3328 mSDtfsCounter, 6595 mSDsluCounter, 10621 mSDsCounter, 0 mSdLazyCounter, 8702 mSolverCounterSat, 6011 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6595 SdHoareTripleChecker+Valid, 13949 SdHoareTripleChecker+Invalid, 14713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6011 IncrementalHoareTripleChecker+Valid, 8702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2021-12-18 15:49:33,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6595 Valid, 13949 Invalid, 14713 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6011 Valid, 8702 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2021-12-18 15:49:33,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5237 states. [2021-12-18 15:49:33,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5237 to 4831. [2021-12-18 15:49:33,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4831 states, 3243 states have (on average 1.2263336416897934) internal successors, (3977), 3308 states have internal predecessors, (3977), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 310 states have return successors, (1306), 1261 states have call predecessors, (1306), 1265 states have call successors, (1306) [2021-12-18 15:49:33,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4831 states to 4831 states and 6550 transitions. [2021-12-18 15:49:33,849 INFO L78 Accepts]: Start accepts. Automaton has 4831 states and 6550 transitions. Word has length 169 [2021-12-18 15:49:33,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:49:33,850 INFO L470 AbstractCegarLoop]: Abstraction has 4831 states and 6550 transitions. [2021-12-18 15:49:33,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (28), 7 states have call predecessors, (28), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 15:49:33,850 INFO L276 IsEmpty]: Start isEmpty. Operand 4831 states and 6550 transitions. [2021-12-18 15:49:33,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-12-18 15:49:33,852 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:49:33,852 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2021-12-18 15:49:33,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-18 15:49:33,852 INFO L402 AbstractCegarLoop]: === Iteration 21 === 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 26 more)] === [2021-12-18 15:49:33,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:49:33,853 INFO L85 PathProgramCache]: Analyzing trace with hash 310785493, now seen corresponding path program 1 times [2021-12-18 15:49:33,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:49:33,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933973248] [2021-12-18 15:49:33,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:33,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:49:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:33,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:49:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:33,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:49:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:33,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:33,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:49:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:33,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:49:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:33,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:49:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:33,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:33,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:49:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:33,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:49:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:33,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:49:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:49:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:49:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 15:49:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:49:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:49:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:49:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:49:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 15:49:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:49:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:49:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:34,128 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-18 15:49:34,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:49:34,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933973248] [2021-12-18 15:49:34,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933973248] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:49:34,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:49:34,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 15:49:34,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361615831] [2021-12-18 15:49:34,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:49:34,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 15:49:34,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:49:34,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 15:49:34,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:49:34,132 INFO L87 Difference]: Start difference. First operand 4831 states and 6550 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (28), 8 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 15:49:39,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:49:46,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:49:46,850 INFO L93 Difference]: Finished difference Result 5237 states and 7160 transitions. [2021-12-18 15:49:46,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-18 15:49:46,850 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (28), 8 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 169 [2021-12-18 15:49:46,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:49:46,883 INFO L225 Difference]: With dead ends: 5237 [2021-12-18 15:49:46,883 INFO L226 Difference]: Without dead ends: 5235 [2021-12-18 15:49:46,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=185, Invalid=415, Unknown=0, NotChecked=0, Total=600 [2021-12-18 15:49:46,888 INFO L933 BasicCegarLoop]: 3341 mSDtfsCounter, 6830 mSDsluCounter, 9842 mSDsCounter, 0 mSdLazyCounter, 9484 mSolverCounterSat, 6031 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6834 SdHoareTripleChecker+Valid, 13183 SdHoareTripleChecker+Invalid, 15516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6031 IncrementalHoareTripleChecker+Valid, 9484 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:49:46,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6834 Valid, 13183 Invalid, 15516 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6031 Valid, 9484 Invalid, 1 Unknown, 0 Unchecked, 12.1s Time] [2021-12-18 15:49:46,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5235 states. [2021-12-18 15:49:47,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5235 to 4831. [2021-12-18 15:49:47,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4831 states, 3243 states have (on average 1.2257169287696577) internal successors, (3975), 3308 states have internal predecessors, (3975), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 310 states have return successors, (1306), 1261 states have call predecessors, (1306), 1265 states have call successors, (1306) [2021-12-18 15:49:47,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4831 states to 4831 states and 6548 transitions. [2021-12-18 15:49:47,087 INFO L78 Accepts]: Start accepts. Automaton has 4831 states and 6548 transitions. Word has length 169 [2021-12-18 15:49:47,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:49:47,088 INFO L470 AbstractCegarLoop]: Abstraction has 4831 states and 6548 transitions. [2021-12-18 15:49:47,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (28), 8 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 15:49:47,088 INFO L276 IsEmpty]: Start isEmpty. Operand 4831 states and 6548 transitions. [2021-12-18 15:49:47,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-12-18 15:49:47,089 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:49:47,090 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] [2021-12-18 15:49:47,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-18 15:49:47,090 INFO L402 AbstractCegarLoop]: === Iteration 22 === 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 26 more)] === [2021-12-18 15:49:47,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:49:47,090 INFO L85 PathProgramCache]: Analyzing trace with hash -168414411, now seen corresponding path program 1 times [2021-12-18 15:49:47,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:49:47,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093728953] [2021-12-18 15:49:47,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:47,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:49:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:49:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:49:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:49:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:49:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:49:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:49:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:49:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:49:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:49:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:49:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:49:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:49:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:49:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:49:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:49:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:49:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:49:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:49:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:49:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:49:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 15:49:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:47,276 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:49:47,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:49:47,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093728953] [2021-12-18 15:49:47,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093728953] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:49:47,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:49:47,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:49:47,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023992193] [2021-12-18 15:49:47,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:49:47,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:49:47,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:49:47,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:49:47,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:49:47,278 INFO L87 Difference]: Start difference. First operand 4831 states and 6548 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) [2021-12-18 15:49:52,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:49:52,360 INFO L93 Difference]: Finished difference Result 4831 states and 6548 transitions. [2021-12-18 15:49:52,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:49:52,362 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 [2021-12-18 15:49:52,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:49:52,395 INFO L225 Difference]: With dead ends: 4831 [2021-12-18 15:49:52,396 INFO L226 Difference]: Without dead ends: 4829 [2021-12-18 15:49:52,405 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 [2021-12-18 15:49:52,406 INFO L933 BasicCegarLoop]: 3341 mSDtfsCounter, 5235 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 2811 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5573 SdHoareTripleChecker+Valid, 7183 SdHoareTripleChecker+Invalid, 5819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:49:52,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5573 Valid, 7183 Invalid, 5819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2811 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-12-18 15:49:52,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4829 states. [2021-12-18 15:49:52,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4829 to 4829. [2021-12-18 15:49:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4829 states, 3242 states have (on average 1.2254780999383097) internal successors, (3973), 3306 states have internal predecessors, (3973), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 310 states have return successors, (1306), 1261 states have call predecessors, (1306), 1265 states have call successors, (1306) [2021-12-18 15:49:52,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4829 states to 4829 states and 6546 transitions. [2021-12-18 15:49:52,658 INFO L78 Accepts]: Start accepts. Automaton has 4829 states and 6546 transitions. Word has length 150 [2021-12-18 15:49:52,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:49:52,658 INFO L470 AbstractCegarLoop]: Abstraction has 4829 states and 6546 transitions. [2021-12-18 15:49:52,659 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) [2021-12-18 15:49:52,659 INFO L276 IsEmpty]: Start isEmpty. Operand 4829 states and 6546 transitions. [2021-12-18 15:49:52,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-18 15:49:52,661 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:49:52,661 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] [2021-12-18 15:49:52,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-18 15:49:52,661 INFO L402 AbstractCegarLoop]: === Iteration 23 === 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 26 more)] === [2021-12-18 15:49:52,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:49:52,662 INFO L85 PathProgramCache]: Analyzing trace with hash 2024427868, now seen corresponding path program 1 times [2021-12-18 15:49:52,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:49:52,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944638438] [2021-12-18 15:49:52,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:52,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:49:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:52,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:49:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:52,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:49:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:52,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:52,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:49:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:52,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:49:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:52,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:49:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:52,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:52,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:49:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:52,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:49:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:52,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:49:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:52,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:49:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:52,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:49:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:52,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:49:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:52,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:49:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:52,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:49:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:52,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:49:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:52,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:49:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:49:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:49:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:49:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:49:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:49:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 15:49:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 15:49:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,078 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:49:53,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:49:53,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944638438] [2021-12-18 15:49:53,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944638438] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:49:53,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:49:53,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:49:53,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809136587] [2021-12-18 15:49:53,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:49:53,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:49:53,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:49:53,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:49:53,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:49:53,080 INFO L87 Difference]: Start difference. First operand 4829 states and 6546 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) [2021-12-18 15:49:57,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:49:57,703 INFO L93 Difference]: Finished difference Result 4829 states and 6546 transitions. [2021-12-18 15:49:57,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:49:57,703 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 [2021-12-18 15:49:57,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:49:57,717 INFO L225 Difference]: With dead ends: 4829 [2021-12-18 15:49:57,717 INFO L226 Difference]: Without dead ends: 4827 [2021-12-18 15:49:57,719 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 [2021-12-18 15:49:57,721 INFO L933 BasicCegarLoop]: 3339 mSDtfsCounter, 5229 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 2809 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5566 SdHoareTripleChecker+Valid, 7181 SdHoareTripleChecker+Invalid, 5817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:49:57,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5566 Valid, 7181 Invalid, 5817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2809 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-18 15:49:57,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4827 states. [2021-12-18 15:49:58,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4827 to 4827. [2021-12-18 15:49:58,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4827 states, 3241 states have (on average 1.2252391237272446) internal successors, (3971), 3304 states have internal predecessors, (3971), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 310 states have return successors, (1306), 1261 states have call predecessors, (1306), 1265 states have call successors, (1306) [2021-12-18 15:49:58,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4827 states to 4827 states and 6544 transitions. [2021-12-18 15:49:58,016 INFO L78 Accepts]: Start accepts. Automaton has 4827 states and 6544 transitions. Word has length 156 [2021-12-18 15:49:58,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:49:58,016 INFO L470 AbstractCegarLoop]: Abstraction has 4827 states and 6544 transitions. [2021-12-18 15:49:58,016 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) [2021-12-18 15:49:58,016 INFO L276 IsEmpty]: Start isEmpty. Operand 4827 states and 6544 transitions. [2021-12-18 15:49:58,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-18 15:49:58,018 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:49:58,018 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] [2021-12-18 15:49:58,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-18 15:49:58,019 INFO L402 AbstractCegarLoop]: === Iteration 24 === 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 26 more)] === [2021-12-18 15:49:58,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:49:58,019 INFO L85 PathProgramCache]: Analyzing trace with hash -200761249, now seen corresponding path program 1 times [2021-12-18 15:49:58,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:49:58,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941357367] [2021-12-18 15:49:58,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:58,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:49:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:49:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:49:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:49:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:49:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:49:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:49:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:49:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:49:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:49:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:49:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:49:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:49:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:49:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:49:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:49:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:49:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:49:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:49:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:49:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:49:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 15:49:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 15:49:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 15:49:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:58,242 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:49:58,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:49:58,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941357367] [2021-12-18 15:49:58,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941357367] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:49:58,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:49:58,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:49:58,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878128946] [2021-12-18 15:49:58,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:49:58,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:49:58,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:49:58,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:49:58,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:49:58,245 INFO L87 Difference]: Start difference. First operand 4827 states and 6544 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) [2021-12-18 15:50:02,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:02,839 INFO L93 Difference]: Finished difference Result 4827 states and 6544 transitions. [2021-12-18 15:50:02,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:50:02,840 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 [2021-12-18 15:50:02,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:02,852 INFO L225 Difference]: With dead ends: 4827 [2021-12-18 15:50:02,853 INFO L226 Difference]: Without dead ends: 4825 [2021-12-18 15:50:02,855 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 [2021-12-18 15:50:02,856 INFO L933 BasicCegarLoop]: 3337 mSDtfsCounter, 5223 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 2807 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5559 SdHoareTripleChecker+Valid, 7179 SdHoareTripleChecker+Invalid, 5815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:02,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5559 Valid, 7179 Invalid, 5815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2807 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-18 15:50:02,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4825 states. [2021-12-18 15:50:03,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4825 to 4825. [2021-12-18 15:50:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4825 states, 3240 states have (on average 1.225) internal successors, (3969), 3302 states have internal predecessors, (3969), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 310 states have return successors, (1306), 1261 states have call predecessors, (1306), 1265 states have call successors, (1306) [2021-12-18 15:50:03,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4825 states to 4825 states and 6542 transitions. [2021-12-18 15:50:03,097 INFO L78 Accepts]: Start accepts. Automaton has 4825 states and 6542 transitions. Word has length 162 [2021-12-18 15:50:03,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:03,097 INFO L470 AbstractCegarLoop]: Abstraction has 4825 states and 6542 transitions. [2021-12-18 15:50:03,097 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) [2021-12-18 15:50:03,098 INFO L276 IsEmpty]: Start isEmpty. Operand 4825 states and 6542 transitions. [2021-12-18 15:50:03,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-18 15:50:03,100 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:03,100 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] [2021-12-18 15:50:03,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-18 15:50:03,100 INFO L402 AbstractCegarLoop]: === Iteration 25 === 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 26 more)] === [2021-12-18 15:50:03,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:03,101 INFO L85 PathProgramCache]: Analyzing trace with hash 329105359, now seen corresponding path program 1 times [2021-12-18 15:50:03,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:03,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366120062] [2021-12-18 15:50:03,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:03,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:50:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:50:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:50:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:50:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:50:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:50:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:50:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:50:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:50:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:50:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:50:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:50:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:50:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:50:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:50:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:50:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:50:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:50:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:50:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:50:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 15:50:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 15:50:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 15:50:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:50:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:03,347 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:50:03,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:03,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366120062] [2021-12-18 15:50:03,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366120062] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:03,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:50:03,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:50:03,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621834499] [2021-12-18 15:50:03,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:03,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:50:03,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:03,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:50:03,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:50:03,349 INFO L87 Difference]: Start difference. First operand 4825 states and 6542 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) [2021-12-18 15:50:07,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:07,920 INFO L93 Difference]: Finished difference Result 4825 states and 6542 transitions. [2021-12-18 15:50:07,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:50:07,921 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 [2021-12-18 15:50:07,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:07,932 INFO L225 Difference]: With dead ends: 4825 [2021-12-18 15:50:07,932 INFO L226 Difference]: Without dead ends: 4823 [2021-12-18 15:50:07,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:50:07,934 INFO L933 BasicCegarLoop]: 3335 mSDtfsCounter, 5217 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 2805 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5552 SdHoareTripleChecker+Valid, 7177 SdHoareTripleChecker+Invalid, 5813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:07,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5552 Valid, 7177 Invalid, 5813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2805 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-18 15:50:07,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4823 states. [2021-12-18 15:50:08,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4823 to 4823. [2021-12-18 15:50:08,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4823 states, 3239 states have (on average 1.2247607286199444) internal successors, (3967), 3300 states have internal predecessors, (3967), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 310 states have return successors, (1306), 1261 states have call predecessors, (1306), 1265 states have call successors, (1306) [2021-12-18 15:50:08,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4823 states to 4823 states and 6540 transitions. [2021-12-18 15:50:08,211 INFO L78 Accepts]: Start accepts. Automaton has 4823 states and 6540 transitions. Word has length 168 [2021-12-18 15:50:08,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:08,212 INFO L470 AbstractCegarLoop]: Abstraction has 4823 states and 6540 transitions. [2021-12-18 15:50:08,212 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) [2021-12-18 15:50:08,212 INFO L276 IsEmpty]: Start isEmpty. Operand 4823 states and 6540 transitions. [2021-12-18 15:50:08,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-18 15:50:08,237 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:08,237 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] [2021-12-18 15:50:08,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-18 15:50:08,238 INFO L402 AbstractCegarLoop]: === Iteration 26 === 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 26 more)] === [2021-12-18 15:50:08,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:08,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1948870767, now seen corresponding path program 1 times [2021-12-18 15:50:08,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:08,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351772843] [2021-12-18 15:50:08,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:08,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:50:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:50:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:50:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:50:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:50:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:50:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:50:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:50:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:50:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:50:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:50:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:50:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:50:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:50:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:50:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:50:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:50:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:50:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:50:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:50:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 15:50:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 15:50:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 15:50:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:50:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 15:50:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:08,471 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:50:08,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:08,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351772843] [2021-12-18 15:50:08,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351772843] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:08,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:50:08,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:50:08,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543542892] [2021-12-18 15:50:08,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:08,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:50:08,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:08,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:50:08,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:50:08,475 INFO L87 Difference]: Start difference. First operand 4823 states and 6540 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) [2021-12-18 15:50:13,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:13,629 INFO L93 Difference]: Finished difference Result 4823 states and 6540 transitions. [2021-12-18 15:50:13,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:50:13,630 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 [2021-12-18 15:50:13,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:13,640 INFO L225 Difference]: With dead ends: 4823 [2021-12-18 15:50:13,641 INFO L226 Difference]: Without dead ends: 4821 [2021-12-18 15:50:13,642 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 [2021-12-18 15:50:13,642 INFO L933 BasicCegarLoop]: 3333 mSDtfsCounter, 5211 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 2803 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5545 SdHoareTripleChecker+Valid, 7175 SdHoareTripleChecker+Invalid, 5811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:13,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5545 Valid, 7175 Invalid, 5811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2803 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-12-18 15:50:13,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4821 states. [2021-12-18 15:50:13,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4821 to 4821. [2021-12-18 15:50:13,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4821 states, 3238 states have (on average 1.224521309450278) internal successors, (3965), 3298 states have internal predecessors, (3965), 1267 states have call successors, (1267), 308 states have call predecessors, (1267), 310 states have return successors, (1306), 1261 states have call predecessors, (1306), 1265 states have call successors, (1306) [2021-12-18 15:50:13,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4821 states to 4821 states and 6538 transitions. [2021-12-18 15:50:13,870 INFO L78 Accepts]: Start accepts. Automaton has 4821 states and 6538 transitions. Word has length 174 [2021-12-18 15:50:13,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:13,871 INFO L470 AbstractCegarLoop]: Abstraction has 4821 states and 6538 transitions. [2021-12-18 15:50:13,871 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) [2021-12-18 15:50:13,871 INFO L276 IsEmpty]: Start isEmpty. Operand 4821 states and 6538 transitions. [2021-12-18 15:50:13,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-18 15:50:13,893 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:13,894 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] [2021-12-18 15:50:13,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-18 15:50:13,894 INFO L402 AbstractCegarLoop]: === Iteration 27 === 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 26 more)] === [2021-12-18 15:50:13,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:13,894 INFO L85 PathProgramCache]: Analyzing trace with hash -806970824, now seen corresponding path program 1 times [2021-12-18 15:50:13,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:13,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588351356] [2021-12-18 15:50:13,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:13,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:50:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:50:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:50:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:50:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:50:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:50:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:50:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:50:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:50:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:50:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:50:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:50:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:50:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:50:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:50:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:50:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:50:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:50:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:50:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:50:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 15:50:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 15:50:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 15:50:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:50:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 15:50:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 15:50:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,204 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:50:14,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:14,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588351356] [2021-12-18 15:50:14,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588351356] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:14,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:50:14,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:50:14,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816081352] [2021-12-18 15:50:14,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:14,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:50:14,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:14,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:50:14,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:50:14,207 INFO L87 Difference]: Start difference. First operand 4821 states and 6538 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) [2021-12-18 15:50:19,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:19,373 INFO L93 Difference]: Finished difference Result 4821 states and 6538 transitions. [2021-12-18 15:50:19,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:50:19,373 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 [2021-12-18 15:50:19,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:19,388 INFO L225 Difference]: With dead ends: 4821 [2021-12-18 15:50:19,388 INFO L226 Difference]: Without dead ends: 4608 [2021-12-18 15:50:19,392 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 [2021-12-18 15:50:19,393 INFO L933 BasicCegarLoop]: 3332 mSDtfsCounter, 5202 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 2803 mSolverCounterSat, 3008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5535 SdHoareTripleChecker+Valid, 7174 SdHoareTripleChecker+Invalid, 5811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 2803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:19,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5535 Valid, 7174 Invalid, 5811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3008 Valid, 2803 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-12-18 15:50:19,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4608 states. [2021-12-18 15:50:19,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4608 to 4606. [2021-12-18 15:50:19,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4606 states, 3107 states have (on average 1.23109108464757) internal successors, (3825), 3164 states have internal predecessors, (3825), 1205 states have call successors, (1205), 287 states have call predecessors, (1205), 289 states have return successors, (1242), 1200 states have call predecessors, (1242), 1205 states have call successors, (1242) [2021-12-18 15:50:19,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4606 states to 4606 states and 6272 transitions. [2021-12-18 15:50:19,651 INFO L78 Accepts]: Start accepts. Automaton has 4606 states and 6272 transitions. Word has length 180 [2021-12-18 15:50:19,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:19,651 INFO L470 AbstractCegarLoop]: Abstraction has 4606 states and 6272 transitions. [2021-12-18 15:50:19,652 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) [2021-12-18 15:50:19,652 INFO L276 IsEmpty]: Start isEmpty. Operand 4606 states and 6272 transitions. [2021-12-18 15:50:19,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-12-18 15:50:19,654 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:19,655 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, 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] [2021-12-18 15:50:19,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-18 15:50:19,655 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 26 more)] === [2021-12-18 15:50:19,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:19,655 INFO L85 PathProgramCache]: Analyzing trace with hash -840658421, now seen corresponding path program 1 times [2021-12-18 15:50:19,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:19,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619536386] [2021-12-18 15:50:19,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:19,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:19,766 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 15:50:19,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [332655739] [2021-12-18 15:50:19,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:19,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:50:19,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:50:19,772 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) [2021-12-18 15:50:19,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 15:50:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:20,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 3808 conjuncts, 46 conjunts are in the unsatisfiable core [2021-12-18 15:50:20,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:50:21,415 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-12-18 15:50:21,415 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:50:21,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:21,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619536386] [2021-12-18 15:50:21,415 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 15:50:21,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332655739] [2021-12-18 15:50:21,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332655739] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:21,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:50:21,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-18 15:50:21,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204952353] [2021-12-18 15:50:21,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:21,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-18 15:50:21,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:21,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-18 15:50:21,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:50:21,417 INFO L87 Difference]: Start difference. First operand 4606 states and 6272 transitions. Second operand has 14 states, 13 states have (on average 9.307692307692308) internal successors, (121), 13 states have internal predecessors, (121), 6 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2021-12-18 15:50:23,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:23,237 INFO L93 Difference]: Finished difference Result 12350 states and 17257 transitions. [2021-12-18 15:50:23,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-18 15:50:23,238 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.307692307692308) internal successors, (121), 13 states have internal predecessors, (121), 6 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) Word has length 262 [2021-12-18 15:50:23,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:23,255 INFO L225 Difference]: With dead ends: 12350 [2021-12-18 15:50:23,255 INFO L226 Difference]: Without dead ends: 7762 [2021-12-18 15:50:23,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2021-12-18 15:50:23,268 INFO L933 BasicCegarLoop]: 5002 mSDtfsCounter, 3918 mSDsluCounter, 54512 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 1374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4183 SdHoareTripleChecker+Valid, 59514 SdHoareTripleChecker+Invalid, 2036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1374 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:23,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4183 Valid, 59514 Invalid, 2036 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1374 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-18 15:50:23,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7762 states. [2021-12-18 15:50:23,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7762 to 4621. [2021-12-18 15:50:23,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4621 states, 3118 states have (on average 1.2302758178319435) internal successors, (3836), 3175 states have internal predecessors, (3836), 1209 states have call successors, (1209), 287 states have call predecessors, (1209), 289 states have return successors, (1246), 1204 states have call predecessors, (1246), 1209 states have call successors, (1246) [2021-12-18 15:50:23,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4621 states to 4621 states and 6291 transitions. [2021-12-18 15:50:23,538 INFO L78 Accepts]: Start accepts. Automaton has 4621 states and 6291 transitions. Word has length 262 [2021-12-18 15:50:23,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:23,539 INFO L470 AbstractCegarLoop]: Abstraction has 4621 states and 6291 transitions. [2021-12-18 15:50:23,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.307692307692308) internal successors, (121), 13 states have internal predecessors, (121), 6 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2021-12-18 15:50:23,539 INFO L276 IsEmpty]: Start isEmpty. Operand 4621 states and 6291 transitions. [2021-12-18 15:50:23,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-12-18 15:50:23,542 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:23,542 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, 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] [2021-12-18 15:50:23,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-18 15:50:23,755 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 [2021-12-18 15:50:23,755 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 26 more)] === [2021-12-18 15:50:23,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:23,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1519034998, now seen corresponding path program 1 times [2021-12-18 15:50:23,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:23,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581548803] [2021-12-18 15:50:23,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:23,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:23,821 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 15:50:23,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [805756617] [2021-12-18 15:50:23,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:23,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:50:23,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:50:23,823 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) [2021-12-18 15:50:23,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 15:50:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 3858 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-18 15:50:24,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:50:25,405 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2021-12-18 15:50:25,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:50:25,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:25,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581548803] [2021-12-18 15:50:25,406 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 15:50:25,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805756617] [2021-12-18 15:50:25,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805756617] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:25,406 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:50:25,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 15:50:25,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376580172] [2021-12-18 15:50:25,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:25,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 15:50:25,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:25,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 15:50:25,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:50:25,407 INFO L87 Difference]: Start difference. First operand 4621 states and 6291 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 6 states have internal predecessors, (116), 1 states have call successors, (35), 1 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 1 states have call successors, (33) [2021-12-18 15:50:30,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:30,373 INFO L93 Difference]: Finished difference Result 9855 states and 13338 transitions. [2021-12-18 15:50:30,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 15:50:30,374 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 6 states have internal predecessors, (116), 1 states have call successors, (35), 1 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 1 states have call successors, (33) Word has length 270 [2021-12-18 15:50:30,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:30,396 INFO L225 Difference]: With dead ends: 9855 [2021-12-18 15:50:30,396 INFO L226 Difference]: Without dead ends: 5253 [2021-12-18 15:50:30,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-12-18 15:50:30,408 INFO L933 BasicCegarLoop]: 3719 mSDtfsCounter, 3220 mSDsluCounter, 16983 mSDsCounter, 0 mSdLazyCounter, 5581 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3274 SdHoareTripleChecker+Valid, 20702 SdHoareTripleChecker+Invalid, 5620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 5581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:30,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3274 Valid, 20702 Invalid, 5620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 5581 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-18 15:50:30,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5253 states. [2021-12-18 15:50:30,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5253 to 5253. [2021-12-18 15:50:30,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5253 states, 3538 states have (on average 1.2238552854720182) internal successors, (4330), 3601 states have internal predecessors, (4330), 1345 states have call successors, (1345), 363 states have call predecessors, (1345), 365 states have return successors, (1382), 1340 states have call predecessors, (1382), 1345 states have call successors, (1382) [2021-12-18 15:50:30,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5253 states to 5253 states and 7057 transitions. [2021-12-18 15:50:30,746 INFO L78 Accepts]: Start accepts. Automaton has 5253 states and 7057 transitions. Word has length 270 [2021-12-18 15:50:30,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:30,747 INFO L470 AbstractCegarLoop]: Abstraction has 5253 states and 7057 transitions. [2021-12-18 15:50:30,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 6 states have internal predecessors, (116), 1 states have call successors, (35), 1 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 1 states have call successors, (33) [2021-12-18 15:50:30,747 INFO L276 IsEmpty]: Start isEmpty. Operand 5253 states and 7057 transitions. [2021-12-18 15:50:30,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-12-18 15:50:30,750 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:30,750 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, 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] [2021-12-18 15:50:30,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-18 15:50:30,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-12-18 15:50:30,960 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 26 more)] === [2021-12-18 15:50:30,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:30,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1519094580, now seen corresponding path program 1 times [2021-12-18 15:50:30,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:30,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263474004] [2021-12-18 15:50:30,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:30,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:31,038 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 15:50:31,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [327874200] [2021-12-18 15:50:31,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:31,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:50:31,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:50:31,040 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) [2021-12-18 15:50:31,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-18 15:50:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:32,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 3859 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 15:50:32,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:50:32,430 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2021-12-18 15:50:32,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:50:32,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:32,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263474004] [2021-12-18 15:50:32,431 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 15:50:32,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327874200] [2021-12-18 15:50:32,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327874200] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:32,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:50:32,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 15:50:32,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742542689] [2021-12-18 15:50:32,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:32,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 15:50:32,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:32,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 15:50:32,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 15:50:32,432 INFO L87 Difference]: Start difference. First operand 5253 states and 7057 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2021-12-18 15:50:32,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:32,829 INFO L93 Difference]: Finished difference Result 5253 states and 7057 transitions. [2021-12-18 15:50:32,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 15:50:32,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 270 [2021-12-18 15:50:32,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:32,842 INFO L225 Difference]: With dead ends: 5253 [2021-12-18 15:50:32,842 INFO L226 Difference]: Without dead ends: 5251 [2021-12-18 15:50:32,844 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 15:50:32,844 INFO L933 BasicCegarLoop]: 3469 mSDtfsCounter, 23 mSDsluCounter, 6916 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 10385 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:32,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 10385 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 15:50:32,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5251 states. [2021-12-18 15:50:33,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5251 to 5251. [2021-12-18 15:50:33,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5251 states, 3537 states have (on average 1.223353124116483) internal successors, (4327), 3599 states have internal predecessors, (4327), 1345 states have call successors, (1345), 363 states have call predecessors, (1345), 365 states have return successors, (1382), 1340 states have call predecessors, (1382), 1345 states have call successors, (1382) [2021-12-18 15:50:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5251 states to 5251 states and 7054 transitions. [2021-12-18 15:50:33,205 INFO L78 Accepts]: Start accepts. Automaton has 5251 states and 7054 transitions. Word has length 270 [2021-12-18 15:50:33,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:33,206 INFO L470 AbstractCegarLoop]: Abstraction has 5251 states and 7054 transitions. [2021-12-18 15:50:33,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2021-12-18 15:50:33,206 INFO L276 IsEmpty]: Start isEmpty. Operand 5251 states and 7054 transitions. [2021-12-18 15:50:33,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-12-18 15:50:33,209 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:33,209 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, 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] [2021-12-18 15:50:33,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-18 15:50:33,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:50:33,424 INFO L402 AbstractCegarLoop]: === Iteration 31 === 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 26 more)] === [2021-12-18 15:50:33,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:33,424 INFO L85 PathProgramCache]: Analyzing trace with hash -815872134, now seen corresponding path program 1 times [2021-12-18 15:50:33,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:33,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253204816] [2021-12-18 15:50:33,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:33,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:33,492 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 15:50:33,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1329573098] [2021-12-18 15:50:33,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:33,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:50:33,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:50:33,494 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) [2021-12-18 15:50:33,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-18 15:50:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:34,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 3871 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 15:50:34,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:50:34,980 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2021-12-18 15:50:34,980 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:50:34,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:34,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253204816] [2021-12-18 15:50:34,980 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 15:50:34,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329573098] [2021-12-18 15:50:34,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329573098] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:34,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:50:34,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-18 15:50:34,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548119599] [2021-12-18 15:50:34,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:34,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 15:50:34,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:34,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 15:50:34,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 15:50:34,982 INFO L87 Difference]: Start difference. First operand 5251 states and 7054 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2021-12-18 15:50:35,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:35,356 INFO L93 Difference]: Finished difference Result 10477 states and 14089 transitions. [2021-12-18 15:50:35,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 15:50:35,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 274 [2021-12-18 15:50:35,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:35,371 INFO L225 Difference]: With dead ends: 10477 [2021-12-18 15:50:35,371 INFO L226 Difference]: Without dead ends: 5245 [2021-12-18 15:50:35,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 15:50:35,383 INFO L933 BasicCegarLoop]: 3465 mSDtfsCounter, 3281 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3281 SdHoareTripleChecker+Valid, 3465 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:35,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3281 Valid, 3465 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 15:50:35,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5245 states. [2021-12-18 15:50:35,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5245 to 5245. [2021-12-18 15:50:35,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5245 states, 3532 states have (on average 1.222536806342016) internal successors, (4318), 3593 states have internal predecessors, (4318), 1345 states have call successors, (1345), 363 states have call predecessors, (1345), 365 states have return successors, (1382), 1340 states have call predecessors, (1382), 1345 states have call successors, (1382) [2021-12-18 15:50:35,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5245 states to 5245 states and 7045 transitions. [2021-12-18 15:50:35,678 INFO L78 Accepts]: Start accepts. Automaton has 5245 states and 7045 transitions. Word has length 274 [2021-12-18 15:50:35,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:35,679 INFO L470 AbstractCegarLoop]: Abstraction has 5245 states and 7045 transitions. [2021-12-18 15:50:35,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2021-12-18 15:50:35,680 INFO L276 IsEmpty]: Start isEmpty. Operand 5245 states and 7045 transitions. [2021-12-18 15:50:35,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-12-18 15:50:35,686 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:35,686 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 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, 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] [2021-12-18 15:50:35,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-18 15:50:35,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:50:35,900 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 26 more)] === [2021-12-18 15:50:35,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:35,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1187104873, now seen corresponding path program 1 times [2021-12-18 15:50:35,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:35,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011021127] [2021-12-18 15:50:35,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:35,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:50:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:50:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:50:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:50:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:50:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:50:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:50:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:50:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 15:50:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 15:50:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 15:50:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 15:50:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 15:50:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:50:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:50:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:50:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 15:50:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 15:50:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 15:50:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 15:50:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-18 15:50:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 15:50:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:50:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:50:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 15:50:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 15:50:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 15:50:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 15:50:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 15:50:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-18 15:50:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-18 15:50:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-18 15:50:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-18 15:50:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-18 15:50:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 15:50:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 15:50:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-18 15:50:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:50:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 15:50:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:36,638 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-12-18 15:50:36,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:36,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011021127] [2021-12-18 15:50:36,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011021127] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:36,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:50:36,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 15:50:36,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164285809] [2021-12-18 15:50:36,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:36,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 15:50:36,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:36,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 15:50:36,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:50:36,640 INFO L87 Difference]: Start difference. First operand 5245 states and 7045 transitions. Second operand has 9 states, 9 states have (on average 21.0) internal successors, (189), 4 states have internal predecessors, (189), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-12-18 15:50:39,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:50:43,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:50:54,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:50:56,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:56,411 INFO L93 Difference]: Finished difference Result 11897 states and 16272 transitions. [2021-12-18 15:50:56,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:50:56,411 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.0) internal successors, (189), 4 states have internal predecessors, (189), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 369 [2021-12-18 15:50:56,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:56,428 INFO L225 Difference]: With dead ends: 11897 [2021-12-18 15:50:56,428 INFO L226 Difference]: Without dead ends: 6671 [2021-12-18 15:50:56,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2021-12-18 15:50:56,437 INFO L933 BasicCegarLoop]: 3212 mSDtfsCounter, 6955 mSDsluCounter, 5907 mSDsCounter, 0 mSdLazyCounter, 7583 mSolverCounterSat, 6026 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6958 SdHoareTripleChecker+Valid, 9119 SdHoareTripleChecker+Invalid, 13612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6026 IncrementalHoareTripleChecker+Valid, 7583 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:56,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6958 Valid, 9119 Invalid, 13612 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6026 Valid, 7583 Invalid, 3 Unknown, 0 Unchecked, 19.0s Time] [2021-12-18 15:50:56,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6671 states. [2021-12-18 15:50:56,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6671 to 5245. [2021-12-18 15:50:56,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5245 states, 3532 states have (on average 1.2222536806342015) internal successors, (4317), 3593 states have internal predecessors, (4317), 1345 states have call successors, (1345), 363 states have call predecessors, (1345), 365 states have return successors, (1382), 1340 states have call predecessors, (1382), 1345 states have call successors, (1382) [2021-12-18 15:50:56,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5245 states to 5245 states and 7044 transitions. [2021-12-18 15:50:56,744 INFO L78 Accepts]: Start accepts. Automaton has 5245 states and 7044 transitions. Word has length 369 [2021-12-18 15:50:56,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:56,744 INFO L470 AbstractCegarLoop]: Abstraction has 5245 states and 7044 transitions. [2021-12-18 15:50:56,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.0) internal successors, (189), 4 states have internal predecessors, (189), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-12-18 15:50:56,744 INFO L276 IsEmpty]: Start isEmpty. Operand 5245 states and 7044 transitions. [2021-12-18 15:50:56,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2021-12-18 15:50:56,750 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:56,750 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 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, 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] [2021-12-18 15:50:56,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-12-18 15:50:56,750 INFO L402 AbstractCegarLoop]: === Iteration 33 === 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 26 more)] === [2021-12-18 15:50:56,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:56,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1366659233, now seen corresponding path program 1 times [2021-12-18 15:50:56,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:56,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265236027] [2021-12-18 15:50:56,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:56,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:50:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:50:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:50:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:50:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:50:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:50:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:50:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:50:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 15:50:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 15:50:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 15:50:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 15:50:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 15:50:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:50:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:50:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:50:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 15:50:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 15:50:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 15:50:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 15:50:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 15:50:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 15:50:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 15:50:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 15:50:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 15:50:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 15:50:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 15:50:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 15:50:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:50:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:50:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 15:50:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-18 15:50:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 15:50:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 15:50:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 15:50:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-18 15:50:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 15:50:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-18 15:50:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 15:50:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 15:50:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 15:50:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 15:50:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-18 15:50:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:50:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-18 15:50:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:57,414 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2021-12-18 15:50:57,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:57,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265236027] [2021-12-18 15:50:57,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265236027] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:57,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:50:57,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 15:50:57,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124193257] [2021-12-18 15:50:57,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:57,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 15:50:57,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:57,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 15:50:57,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:50:57,416 INFO L87 Difference]: Start difference. First operand 5245 states and 7044 transitions. Second operand has 8 states, 8 states have (on average 25.0) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2021-12-18 15:50:59,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:51:03,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:51:08,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:51:12,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:51:12,466 INFO L93 Difference]: Finished difference Result 11710 states and 16029 transitions. [2021-12-18 15:51:12,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 15:51:12,467 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.0) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 396 [2021-12-18 15:51:12,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:51:12,487 INFO L225 Difference]: With dead ends: 11710 [2021-12-18 15:51:12,487 INFO L226 Difference]: Without dead ends: 6484 [2021-12-18 15:51:12,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-12-18 15:51:12,502 INFO L933 BasicCegarLoop]: 2917 mSDtfsCounter, 4651 mSDsluCounter, 5126 mSDsCounter, 0 mSdLazyCounter, 5789 mSolverCounterSat, 4525 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4651 SdHoareTripleChecker+Valid, 8043 SdHoareTripleChecker+Invalid, 10315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4525 IncrementalHoareTripleChecker+Valid, 5789 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:51:12,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4651 Valid, 8043 Invalid, 10315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4525 Valid, 5789 Invalid, 1 Unknown, 0 Unchecked, 14.3s Time] [2021-12-18 15:51:12,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6484 states. [2021-12-18 15:51:12,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6484 to 5257. [2021-12-18 15:51:12,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5257 states, 3542 states have (on average 1.2221908526256353) internal successors, (4329), 3603 states have internal predecessors, (4329), 1347 states have call successors, (1347), 363 states have call predecessors, (1347), 365 states have return successors, (1384), 1342 states have call predecessors, (1384), 1347 states have call successors, (1384) [2021-12-18 15:51:12,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5257 states to 5257 states and 7060 transitions. [2021-12-18 15:51:12,854 INFO L78 Accepts]: Start accepts. Automaton has 5257 states and 7060 transitions. Word has length 396 [2021-12-18 15:51:12,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:51:12,855 INFO L470 AbstractCegarLoop]: Abstraction has 5257 states and 7060 transitions. [2021-12-18 15:51:12,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.0) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2021-12-18 15:51:12,855 INFO L276 IsEmpty]: Start isEmpty. Operand 5257 states and 7060 transitions. [2021-12-18 15:51:12,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-12-18 15:51:12,862 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:51:12,862 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 3, 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, 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] [2021-12-18 15:51:12,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-12-18 15:51:12,862 INFO L402 AbstractCegarLoop]: === Iteration 34 === 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 26 more)] === [2021-12-18 15:51:12,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:51:12,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1530983974, now seen corresponding path program 1 times [2021-12-18 15:51:12,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:51:12,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805326690] [2021-12-18 15:51:12,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:51:12,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:51:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:51:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:51:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:51:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:51:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:51:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:51:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:51:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:51:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:51:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:51:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:51:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:51:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:51:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:51:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:51:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 15:51:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 15:51:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 15:51:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 15:51:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 15:51:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:51:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:51:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:51:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 15:51:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 15:51:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 15:51:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 15:51:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 15:51:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 15:51:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 15:51:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 15:51:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 15:51:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 15:51:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 15:51:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 15:51:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:51:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:51:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 15:51:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 15:51:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 15:51:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 15:51:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 15:51:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 15:51:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 15:51:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 15:51:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 15:51:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 15:51:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 15:51:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-18 15:51:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-18 15:51:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-12-18 15:51:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:51:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:51:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-18 15:51:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:13,688 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-12-18 15:51:13,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:51:13,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805326690] [2021-12-18 15:51:13,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805326690] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:51:13,689 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:51:13,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 15:51:13,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808496966] [2021-12-18 15:51:13,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:51:13,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 15:51:13,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:51:13,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 15:51:13,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:51:13,691 INFO L87 Difference]: Start difference. First operand 5257 states and 7060 transitions. Second operand has 8 states, 8 states have (on average 25.375) internal successors, (203), 3 states have internal predecessors, (203), 2 states have call successors, (54), 6 states have call predecessors, (54), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-18 15:51:17,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:51:20,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:51:26,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:51:30,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:51:30,610 INFO L93 Difference]: Finished difference Result 11724 states and 16010 transitions. [2021-12-18 15:51:30,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 15:51:30,611 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.375) internal successors, (203), 3 states have internal predecessors, (203), 2 states have call successors, (54), 6 states have call predecessors, (54), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 403 [2021-12-18 15:51:30,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:51:30,631 INFO L225 Difference]: With dead ends: 11724 [2021-12-18 15:51:30,632 INFO L226 Difference]: Without dead ends: 6486 [2021-12-18 15:51:30,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-12-18 15:51:30,645 INFO L933 BasicCegarLoop]: 2926 mSDtfsCounter, 5339 mSDsluCounter, 5129 mSDsCounter, 0 mSdLazyCounter, 5580 mSolverCounterSat, 5408 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5339 SdHoareTripleChecker+Valid, 8055 SdHoareTripleChecker+Invalid, 10990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5408 IncrementalHoareTripleChecker+Valid, 5580 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:51:30,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5339 Valid, 8055 Invalid, 10990 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5408 Valid, 5580 Invalid, 2 Unknown, 0 Unchecked, 16.2s Time] [2021-12-18 15:51:30,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6486 states. [2021-12-18 15:51:30,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6486 to 5259. [2021-12-18 15:51:30,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5259 states, 3544 states have (on average 1.2220654627539504) internal successors, (4331), 3605 states have internal predecessors, (4331), 1347 states have call successors, (1347), 363 states have call predecessors, (1347), 365 states have return successors, (1384), 1342 states have call predecessors, (1384), 1347 states have call successors, (1384) [2021-12-18 15:51:30,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5259 states to 5259 states and 7062 transitions. [2021-12-18 15:51:30,991 INFO L78 Accepts]: Start accepts. Automaton has 5259 states and 7062 transitions. Word has length 403 [2021-12-18 15:51:30,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:51:30,991 INFO L470 AbstractCegarLoop]: Abstraction has 5259 states and 7062 transitions. [2021-12-18 15:51:30,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.375) internal successors, (203), 3 states have internal predecessors, (203), 2 states have call successors, (54), 6 states have call predecessors, (54), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-18 15:51:30,992 INFO L276 IsEmpty]: Start isEmpty. Operand 5259 states and 7062 transitions. [2021-12-18 15:51:30,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-12-18 15:51:30,998 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:51:30,999 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 3, 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, 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] [2021-12-18 15:51:30,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-12-18 15:51:30,999 INFO L402 AbstractCegarLoop]: === Iteration 35 === 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 26 more)] === [2021-12-18 15:51:30,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:51:31,000 INFO L85 PathProgramCache]: Analyzing trace with hash -790817944, now seen corresponding path program 1 times [2021-12-18 15:51:31,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:51:31,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563832611] [2021-12-18 15:51:31,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:51:31,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:51:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:51:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:51:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:51:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:51:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:51:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:51:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:51:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:51:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:51:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:51:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:51:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:51:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:51:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:51:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:51:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 15:51:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 15:51:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 15:51:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 15:51:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 15:51:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:51:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:51:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:51:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 15:51:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 15:51:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 15:51:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 15:51:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 15:51:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 15:51:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 15:51:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 15:51:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 15:51:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 15:51:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 15:51:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 15:51:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:51:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:51:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 15:51:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 15:51:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 15:51:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 15:51:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 15:51:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 15:51:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 15:51:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 15:51:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 15:51:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 15:51:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 15:51:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-18 15:51:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-18 15:51:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-12-18 15:51:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:51:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:51:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-18 15:51:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:31,695 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-12-18 15:51:31,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:51:31,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563832611] [2021-12-18 15:51:31,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563832611] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:51:31,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:51:31,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 15:51:31,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509103777] [2021-12-18 15:51:31,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:51:31,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 15:51:31,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:51:31,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 15:51:31,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:51:31,698 INFO L87 Difference]: Start difference. First operand 5259 states and 7062 transitions. Second operand has 9 states, 9 states have (on average 22.555555555555557) internal successors, (203), 4 states have internal predecessors, (203), 2 states have call successors, (54), 6 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-18 15:51:34,715 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:51:43,731 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:51:48,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:51:52,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:51:55,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:51:58,816 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:52:02,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:52:02,674 INFO L93 Difference]: Finished difference Result 15010 states and 21045 transitions. [2021-12-18 15:52:02,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:52:02,676 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 22.555555555555557) internal successors, (203), 4 states have internal predecessors, (203), 2 states have call successors, (54), 6 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 403 [2021-12-18 15:52:02,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:52:02,713 INFO L225 Difference]: With dead ends: 15010 [2021-12-18 15:52:02,713 INFO L226 Difference]: Without dead ends: 9770 [2021-12-18 15:52:02,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2021-12-18 15:52:02,727 INFO L933 BasicCegarLoop]: 3767 mSDtfsCounter, 7740 mSDsluCounter, 9007 mSDsCounter, 0 mSdLazyCounter, 9625 mSolverCounterSat, 7056 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8063 SdHoareTripleChecker+Valid, 12774 SdHoareTripleChecker+Invalid, 16687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7056 IncrementalHoareTripleChecker+Valid, 9625 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.7s IncrementalHoareTripleChecker+Time [2021-12-18 15:52:02,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8063 Valid, 12774 Invalid, 16687 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7056 Valid, 9625 Invalid, 6 Unknown, 0 Unchecked, 29.7s Time] [2021-12-18 15:52:02,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9770 states. [2021-12-18 15:52:03,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9770 to 5261. [2021-12-18 15:52:03,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5261 states, 3546 states have (on average 1.2219402143260012) internal successors, (4333), 3607 states have internal predecessors, (4333), 1347 states have call successors, (1347), 363 states have call predecessors, (1347), 365 states have return successors, (1384), 1342 states have call predecessors, (1384), 1347 states have call successors, (1384) [2021-12-18 15:52:03,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5261 states to 5261 states and 7064 transitions. [2021-12-18 15:52:03,183 INFO L78 Accepts]: Start accepts. Automaton has 5261 states and 7064 transitions. Word has length 403 [2021-12-18 15:52:03,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:52:03,183 INFO L470 AbstractCegarLoop]: Abstraction has 5261 states and 7064 transitions. [2021-12-18 15:52:03,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 22.555555555555557) internal successors, (203), 4 states have internal predecessors, (203), 2 states have call successors, (54), 6 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-18 15:52:03,184 INFO L276 IsEmpty]: Start isEmpty. Operand 5261 states and 7064 transitions. [2021-12-18 15:52:03,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2021-12-18 15:52:03,191 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:52:03,192 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 3, 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, 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] [2021-12-18 15:52:03,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-12-18 15:52:03,192 INFO L402 AbstractCegarLoop]: === Iteration 36 === 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 26 more)] === [2021-12-18 15:52:03,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:52:03,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1173804219, now seen corresponding path program 1 times [2021-12-18 15:52:03,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:52:03,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474930218] [2021-12-18 15:52:03,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:52:03,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:52:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:52:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:52:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:52:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:52:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:52:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:52:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:52:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:52:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:52:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:52:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:52:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:52:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:52:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:52:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:52:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 15:52:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 15:52:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 15:52:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 15:52:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 15:52:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:52:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:52:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:52:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 15:52:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 15:52:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 15:52:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 15:52:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 15:52:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:03,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 15:52:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 15:52:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 15:52:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 15:52:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 15:52:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 15:52:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 15:52:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:52:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:52:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 15:52:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 15:52:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-18 15:52:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 15:52:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-18 15:52:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 15:52:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-18 15:52:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 15:52:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 15:52:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 15:52:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 15:52:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-18 15:52:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 15:52:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 15:52:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 15:52:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:52:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:52:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-18 15:52:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:04,304 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2021-12-18 15:52:04,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:52:04,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474930218] [2021-12-18 15:52:04,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474930218] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:52:04,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:52:04,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-18 15:52:04,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440201487] [2021-12-18 15:52:04,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:52:04,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-18 15:52:04,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:52:04,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-18 15:52:04,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2021-12-18 15:52:04,307 INFO L87 Difference]: Start difference. First operand 5261 states and 7064 transitions. Second operand has 13 states, 12 states have (on average 17.166666666666668) internal successors, (206), 6 states have internal predecessors, (206), 3 states have call successors, (55), 6 states have call predecessors, (55), 3 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) [2021-12-18 15:52:08,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:52:26,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:52:26,117 INFO L93 Difference]: Finished difference Result 11758 states and 16100 transitions. [2021-12-18 15:52:26,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 15:52:26,117 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 17.166666666666668) internal successors, (206), 6 states have internal predecessors, (206), 3 states have call successors, (55), 6 states have call predecessors, (55), 3 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) Word has length 410 [2021-12-18 15:52:26,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:52:26,138 INFO L225 Difference]: With dead ends: 11758 [2021-12-18 15:52:26,139 INFO L226 Difference]: Without dead ends: 6516 [2021-12-18 15:52:26,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2021-12-18 15:52:26,152 INFO L933 BasicCegarLoop]: 2911 mSDtfsCounter, 5311 mSDsluCounter, 14354 mSDsCounter, 0 mSdLazyCounter, 14230 mSolverCounterSat, 5423 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5311 SdHoareTripleChecker+Valid, 17265 SdHoareTripleChecker+Invalid, 19654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5423 IncrementalHoareTripleChecker+Valid, 14230 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:52:26,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5311 Valid, 17265 Invalid, 19654 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5423 Valid, 14230 Invalid, 1 Unknown, 0 Unchecked, 20.6s Time] [2021-12-18 15:52:26,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6516 states. [2021-12-18 15:52:26,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6516 to 5273. [2021-12-18 15:52:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5273 states, 3554 states have (on average 1.2214406302757457) internal successors, (4341), 3611 states have internal predecessors, (4341), 1351 states have call successors, (1351), 363 states have call predecessors, (1351), 365 states have return successors, (1388), 1346 states have call predecessors, (1388), 1351 states have call successors, (1388) [2021-12-18 15:52:26,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5273 states to 5273 states and 7080 transitions. [2021-12-18 15:52:26,588 INFO L78 Accepts]: Start accepts. Automaton has 5273 states and 7080 transitions. Word has length 410 [2021-12-18 15:52:26,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:52:26,588 INFO L470 AbstractCegarLoop]: Abstraction has 5273 states and 7080 transitions. [2021-12-18 15:52:26,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 17.166666666666668) internal successors, (206), 6 states have internal predecessors, (206), 3 states have call successors, (55), 6 states have call predecessors, (55), 3 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) [2021-12-18 15:52:26,589 INFO L276 IsEmpty]: Start isEmpty. Operand 5273 states and 7080 transitions. [2021-12-18 15:52:26,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2021-12-18 15:52:26,595 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:52:26,596 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 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, 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] [2021-12-18 15:52:26,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-12-18 15:52:26,596 INFO L402 AbstractCegarLoop]: === Iteration 37 === 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 26 more)] === [2021-12-18 15:52:26,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:52:26,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1013653948, now seen corresponding path program 1 times [2021-12-18 15:52:26,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:52:26,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586414267] [2021-12-18 15:52:26,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:52:26,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:52:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:52:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:52:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:52:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:52:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:52:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:52:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:52:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:52:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:52:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:52:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:52:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:52:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:52:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:52:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:52:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 15:52:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 15:52:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 15:52:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 15:52:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 15:52:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:52:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:52:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:52:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 15:52:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 15:52:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 15:52:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 15:52:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 15:52:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 15:52:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 15:52:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 15:52:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 15:52:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 15:52:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 15:52:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 15:52:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:52:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:52:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 15:52:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 15:52:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-18 15:52:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 15:52:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-18 15:52:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 15:52:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-18 15:52:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 15:52:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 15:52:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 15:52:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 15:52:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-18 15:52:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 15:52:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 15:52:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 15:52:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-18 15:52:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-18 15:52:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 15:52:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 15:52:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:27,774 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-12-18 15:52:27,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:52:27,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586414267] [2021-12-18 15:52:27,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586414267] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:52:27,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:52:27,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-18 15:52:27,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785813884] [2021-12-18 15:52:27,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:52:27,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-18 15:52:27,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:52:27,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-18 15:52:27,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-12-18 15:52:27,779 INFO L87 Difference]: Start difference. First operand 5273 states and 7080 transitions. Second operand has 17 states, 17 states have (on average 12.235294117647058) internal successors, (208), 11 states have internal predecessors, (208), 3 states have call successors, (56), 7 states have call predecessors, (56), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-12-18 15:52:31,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:52:33,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:52:40,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:52:42,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:52:44,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:52:46,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:52:55,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:53:00,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:53:02,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:53:08,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:53:17,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:53:18,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:53:22,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:53:26,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:53:28,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:53:33,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:53:41,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:53:43,599 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:53:48,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:53:56,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:53:56,685 INFO L93 Difference]: Finished difference Result 19122 states and 27330 transitions. [2021-12-18 15:53:56,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-12-18 15:53:56,688 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.235294117647058) internal successors, (208), 11 states have internal predecessors, (208), 3 states have call successors, (56), 7 states have call predecessors, (56), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 412 [2021-12-18 15:53:56,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:53:56,722 INFO L225 Difference]: With dead ends: 19122 [2021-12-18 15:53:56,723 INFO L226 Difference]: Without dead ends: 13868 [2021-12-18 15:53:56,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1702 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=887, Invalid=4965, Unknown=0, NotChecked=0, Total=5852 [2021-12-18 15:53:56,737 INFO L933 BasicCegarLoop]: 9684 mSDtfsCounter, 9785 mSDsluCounter, 86616 mSDsCounter, 0 mSdLazyCounter, 35154 mSolverCounterSat, 10029 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10695 SdHoareTripleChecker+Valid, 96300 SdHoareTripleChecker+Invalid, 45199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 10029 IncrementalHoareTripleChecker+Valid, 35154 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 85.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:53:56,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10695 Valid, 96300 Invalid, 45199 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [10029 Valid, 35154 Invalid, 16 Unknown, 0 Unchecked, 85.5s Time] [2021-12-18 15:53:56,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13868 states. [2021-12-18 15:53:57,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13868 to 5281. [2021-12-18 15:53:57,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5281 states, 3562 states have (on average 1.2212240314430096) internal successors, (4350), 3618 states have internal predecessors, (4350), 1351 states have call successors, (1351), 363 states have call predecessors, (1351), 365 states have return successors, (1388), 1347 states have call predecessors, (1388), 1351 states have call successors, (1388) [2021-12-18 15:53:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5281 states to 5281 states and 7089 transitions. [2021-12-18 15:53:57,438 INFO L78 Accepts]: Start accepts. Automaton has 5281 states and 7089 transitions. Word has length 412 [2021-12-18 15:53:57,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:53:57,438 INFO L470 AbstractCegarLoop]: Abstraction has 5281 states and 7089 transitions. [2021-12-18 15:53:57,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.235294117647058) internal successors, (208), 11 states have internal predecessors, (208), 3 states have call successors, (56), 7 states have call predecessors, (56), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-12-18 15:53:57,439 INFO L276 IsEmpty]: Start isEmpty. Operand 5281 states and 7089 transitions. [2021-12-18 15:53:57,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2021-12-18 15:53:57,477 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:53:57,477 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 8, 8, 3, 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, 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] [2021-12-18 15:53:57,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-12-18 15:53:57,478 INFO L402 AbstractCegarLoop]: === Iteration 38 === 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 26 more)] === [2021-12-18 15:53:57,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:53:57,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1024307351, now seen corresponding path program 1 times [2021-12-18 15:53:57,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:53:57,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074698901] [2021-12-18 15:53:57,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:53:57,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:53:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:53:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:53:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:53:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:53:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:53:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:53:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:53:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:53:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:53:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:53:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:53:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:53:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:53:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:53:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:53:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 15:53:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 15:53:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 15:53:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 15:53:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 15:53:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:53:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:53:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:53:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 15:53:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 15:53:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 15:53:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 15:53:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 15:53:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 15:53:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 15:53:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 15:53:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 15:53:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 15:53:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 15:53:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 15:53:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:53:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:53:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 15:53:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 15:53:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-18 15:53:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 15:53:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-18 15:53:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 15:53:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-18 15:53:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 15:53:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 15:53:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 15:53:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 15:53:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-18 15:53:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 15:53:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 15:53:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-18 15:53:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:53:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 15:53:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 15:53:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-18 15:53:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:53:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:53:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:53:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-18 15:53:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2021-12-18 15:53:58,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:53:58,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074698901] [2021-12-18 15:53:58,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074698901] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:53:58,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:53:58,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-18 15:53:58,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994127615] [2021-12-18 15:53:58,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:53:58,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-18 15:53:58,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:53:58,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-18 15:53:58,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-12-18 15:53:58,655 INFO L87 Difference]: Start difference. First operand 5281 states and 7089 transitions. Second operand has 15 states, 15 states have (on average 14.533333333333333) internal successors, (218), 8 states have internal predecessors, (218), 3 states have call successors, (61), 7 states have call predecessors, (61), 2 states have return successors, (61), 4 states have call predecessors, (61), 3 states have call successors, (61) [2021-12-18 15:54:02,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:54:07,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:54:15,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:54:18,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:54:27,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:54:32,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:54:33,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:54:33,201 INFO L93 Difference]: Finished difference Result 13865 states and 19266 transitions. [2021-12-18 15:54:33,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-18 15:54:33,203 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 14.533333333333333) internal successors, (218), 8 states have internal predecessors, (218), 3 states have call successors, (61), 7 states have call predecessors, (61), 2 states have return successors, (61), 4 states have call predecessors, (61), 3 states have call successors, (61) Word has length 443 [2021-12-18 15:54:33,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:54:33,221 INFO L225 Difference]: With dead ends: 13865 [2021-12-18 15:54:33,221 INFO L226 Difference]: Without dead ends: 8603 [2021-12-18 15:54:33,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2021-12-18 15:54:33,231 INFO L933 BasicCegarLoop]: 4136 mSDtfsCounter, 7452 mSDsluCounter, 24980 mSDsCounter, 0 mSdLazyCounter, 17986 mSolverCounterSat, 5917 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7556 SdHoareTripleChecker+Valid, 29116 SdHoareTripleChecker+Invalid, 23908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5917 IncrementalHoareTripleChecker+Valid, 17986 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.9s IncrementalHoareTripleChecker+Time [2021-12-18 15:54:33,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7556 Valid, 29116 Invalid, 23908 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5917 Valid, 17986 Invalid, 5 Unknown, 0 Unchecked, 32.9s Time] [2021-12-18 15:54:33,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8603 states. [2021-12-18 15:54:33,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8603 to 6633. [2021-12-18 15:54:33,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6633 states, 4508 states have (on average 1.236024844720497) internal successors, (5572), 4585 states have internal predecessors, (5572), 1755 states have call successors, (1755), 363 states have call predecessors, (1755), 367 states have return successors, (1795), 1748 states have call predecessors, (1795), 1755 states have call successors, (1795) [2021-12-18 15:54:33,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6633 states to 6633 states and 9122 transitions. [2021-12-18 15:54:33,734 INFO L78 Accepts]: Start accepts. Automaton has 6633 states and 9122 transitions. Word has length 443 [2021-12-18 15:54:33,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:54:33,735 INFO L470 AbstractCegarLoop]: Abstraction has 6633 states and 9122 transitions. [2021-12-18 15:54:33,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 14.533333333333333) internal successors, (218), 8 states have internal predecessors, (218), 3 states have call successors, (61), 7 states have call predecessors, (61), 2 states have return successors, (61), 4 states have call predecessors, (61), 3 states have call successors, (61) [2021-12-18 15:54:33,735 INFO L276 IsEmpty]: Start isEmpty. Operand 6633 states and 9122 transitions. [2021-12-18 15:54:33,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2021-12-18 15:54:33,745 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:54:33,745 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 8, 8, 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, 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] [2021-12-18 15:54:33,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-12-18 15:54:33,746 INFO L402 AbstractCegarLoop]: === Iteration 39 === 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 26 more)] === [2021-12-18 15:54:33,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:54:33,746 INFO L85 PathProgramCache]: Analyzing trace with hash 2137729913, now seen corresponding path program 1 times [2021-12-18 15:54:33,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:54:33,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351233182] [2021-12-18 15:54:33,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:54:33,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:54:33,910 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 15:54:33,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [361809305] [2021-12-18 15:54:33,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:54:33,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:54:33,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:54:33,913 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) [2021-12-18 15:54:33,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-18 15:54:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:35,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 6707 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-18 15:54:35,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:54:36,424 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-12-18 15:54:36,424 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:54:36,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:54:36,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351233182] [2021-12-18 15:54:36,424 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 15:54:36,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361809305] [2021-12-18 15:54:36,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361809305] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:54:36,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:54:36,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:54:36,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327581308] [2021-12-18 15:54:36,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:54:36,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:54:36,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:54:36,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:54:36,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:54:36,426 INFO L87 Difference]: Start difference. First operand 6633 states and 9122 transitions. Second operand has 6 states, 6 states have (on average 39.5) internal successors, (237), 6 states have internal predecessors, (237), 3 states have call successors, (62), 2 states have call predecessors, (62), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2021-12-18 15:54:37,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:54:37,132 INFO L93 Difference]: Finished difference Result 10569 states and 14552 transitions. [2021-12-18 15:54:37,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:54:37,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 39.5) internal successors, (237), 6 states have internal predecessors, (237), 3 states have call successors, (62), 2 states have call predecessors, (62), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 454 [2021-12-18 15:54:37,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:54:37,146 INFO L225 Difference]: With dead ends: 10569 [2021-12-18 15:54:37,146 INFO L226 Difference]: Without dead ends: 3952 [2021-12-18 15:54:37,161 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:54:37,161 INFO L933 BasicCegarLoop]: 3839 mSDtfsCounter, 474 mSDsluCounter, 14664 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 18503 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:54:37,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [474 Valid, 18503 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-18 15:54:37,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-12-18 15:54:37,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3665. [2021-12-18 15:54:37,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3665 states, 2482 states have (on average 1.2308622078968574) internal successors, (3055), 2526 states have internal predecessors, (3055), 976 states have call successors, (976), 203 states have call predecessors, (976), 205 states have return successors, (998), 972 states have call predecessors, (998), 976 states have call successors, (998) [2021-12-18 15:54:37,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3665 states to 3665 states and 5029 transitions. [2021-12-18 15:54:37,526 INFO L78 Accepts]: Start accepts. Automaton has 3665 states and 5029 transitions. Word has length 454 [2021-12-18 15:54:37,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:54:37,526 INFO L470 AbstractCegarLoop]: Abstraction has 3665 states and 5029 transitions. [2021-12-18 15:54:37,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.5) internal successors, (237), 6 states have internal predecessors, (237), 3 states have call successors, (62), 2 states have call predecessors, (62), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2021-12-18 15:54:37,527 INFO L276 IsEmpty]: Start isEmpty. Operand 3665 states and 5029 transitions. [2021-12-18 15:54:37,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-12-18 15:54:37,535 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:54:37,536 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2021-12-18 15:54:37,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-18 15:54:37,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-12-18 15:54:37,752 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 15:54:37,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:54:37,752 INFO L85 PathProgramCache]: Analyzing trace with hash 405394138, now seen corresponding path program 1 times [2021-12-18 15:54:37,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:54:37,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909484385] [2021-12-18 15:54:37,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:54:37,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:54:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:54:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:54:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:54:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:54:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:54:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:54:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:54:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:54:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:54:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:54:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:54:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:54:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:54:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:54:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:54:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:54:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:54:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:54:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 15:54:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 15:54:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 15:54:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:54:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 15:54:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 15:54:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:54:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:54:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:54:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:54:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 15:54:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 15:54:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 15:54:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 15:54:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 15:54:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 15:54:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 15:54:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 15:54:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 15:54:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 15:54:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 15:54:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 15:54:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:54:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:54:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:54:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 15:54:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 15:54:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-18 15:54:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 15:54:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-18 15:54:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 15:54:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-18 15:54:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 15:54:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 15:54:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 15:54:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 15:54:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-18 15:54:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 15:54:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 15:54:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-18 15:54:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:54:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:54:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 15:54:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 15:54:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 15:54:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:54:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:54:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:54:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 15:54:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-18 15:54:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-18 15:54:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 15:54:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-12-18 15:54:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-12-18 15:54:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:54:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:38,659 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2021-12-18 15:54:38,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:54:38,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909484385] [2021-12-18 15:54:38,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909484385] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:54:38,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:54:38,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-18 15:54:38,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220356123] [2021-12-18 15:54:38,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:54:38,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 15:54:38,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:54:38,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 15:54:38,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-12-18 15:54:38,662 INFO L87 Difference]: Start difference. First operand 3665 states and 5029 transitions. Second operand has 11 states, 11 states have (on average 20.545454545454547) internal successors, (226), 4 states have internal predecessors, (226), 2 states have call successors, (64), 8 states have call predecessors, (64), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2021-12-18 15:54:41,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:54:50,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:54:54,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:55:06,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:55:06,539 INFO L93 Difference]: Finished difference Result 8523 states and 11983 transitions. [2021-12-18 15:55:06,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-18 15:55:06,539 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 20.545454545454547) internal successors, (226), 4 states have internal predecessors, (226), 2 states have call successors, (64), 8 states have call predecessors, (64), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 480 [2021-12-18 15:55:06,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:55:06,555 INFO L225 Difference]: With dead ends: 8523 [2021-12-18 15:55:06,555 INFO L226 Difference]: Without dead ends: 8521 [2021-12-18 15:55:06,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=224, Invalid=532, Unknown=0, NotChecked=0, Total=756 [2021-12-18 15:55:06,557 INFO L933 BasicCegarLoop]: 3517 mSDtfsCounter, 14080 mSDsluCounter, 10625 mSDsCounter, 0 mSdLazyCounter, 12286 mSolverCounterSat, 13004 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14351 SdHoareTripleChecker+Valid, 14142 SdHoareTripleChecker+Invalid, 25292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13004 IncrementalHoareTripleChecker+Valid, 12286 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:55:06,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14351 Valid, 14142 Invalid, 25292 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13004 Valid, 12286 Invalid, 2 Unknown, 0 Unchecked, 26.4s Time] [2021-12-18 15:55:06,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8521 states. [2021-12-18 15:55:07,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8521 to 7294. [2021-12-18 15:55:07,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7294 states, 4941 states have (on average 1.231532078526614) internal successors, (6085), 5033 states have internal predecessors, (6085), 1942 states have call successors, (1942), 406 states have call predecessors, (1942), 409 states have return successors, (1986), 1927 states have call predecessors, (1986), 1942 states have call successors, (1986) [2021-12-18 15:55:07,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7294 states to 7294 states and 10013 transitions. [2021-12-18 15:55:07,128 INFO L78 Accepts]: Start accepts. Automaton has 7294 states and 10013 transitions. Word has length 480 [2021-12-18 15:55:07,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:55:07,128 INFO L470 AbstractCegarLoop]: Abstraction has 7294 states and 10013 transitions. [2021-12-18 15:55:07,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 20.545454545454547) internal successors, (226), 4 states have internal predecessors, (226), 2 states have call successors, (64), 8 states have call predecessors, (64), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2021-12-18 15:55:07,129 INFO L276 IsEmpty]: Start isEmpty. Operand 7294 states and 10013 transitions. [2021-12-18 15:55:07,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2021-12-18 15:55:07,139 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:55:07,140 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-18 15:55:07,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-12-18 15:55:07,140 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 26 more)] === [2021-12-18 15:55:07,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:55:07,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1780058213, now seen corresponding path program 1 times [2021-12-18 15:55:07,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:55:07,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405001810] [2021-12-18 15:55:07,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:55:07,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:55:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:55:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:55:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:55:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:55:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:55:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:55:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:55:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:55:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:55:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:55:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:55:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:55:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:55:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:55:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:55:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 15:55:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 15:55:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 15:55:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 15:55:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 15:55:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:55:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:55:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:55:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 15:55:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 15:55:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 15:55:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 15:55:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 15:55:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 15:55:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 15:55:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 15:55:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 15:55:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 15:55:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 15:55:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 15:55:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:55:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:55:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 15:55:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 15:55:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-18 15:55:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 15:55:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-18 15:55:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 15:55:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-18 15:55:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 15:55:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 15:55:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 15:55:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 15:55:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-18 15:55:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 15:55:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 15:55:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-18 15:55:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:55:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 15:55:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 15:55:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 15:55:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:55:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:55:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 15:55:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-18 15:55:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-18 15:55:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 15:55:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-12-18 15:55:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-12-18 15:55:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 15:55:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 15:55:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-12-18 15:55:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-12-18 15:55:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-18 15:55:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:55:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:55:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:55:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:07,909 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2021-12-18 15:55:07,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:55:07,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405001810] [2021-12-18 15:55:07,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405001810] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:55:07,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:55:07,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-18 15:55:07,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229391965] [2021-12-18 15:55:07,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:55:07,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 15:55:07,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:55:07,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 15:55:07,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-12-18 15:55:07,912 INFO L87 Difference]: Start difference. First operand 7294 states and 10013 transitions. Second operand has 11 states, 11 states have (on average 23.09090909090909) internal successors, (254), 5 states have internal predecessors, (254), 2 states have call successors, (74), 8 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2021-12-18 15:55:11,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:55:16,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:55:24,441 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:55:28,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:55:31,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:55:34,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:55:41,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:55:45,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:55:46,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:55:46,709 INFO L93 Difference]: Finished difference Result 21299 states and 30474 transitions. [2021-12-18 15:55:46,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 15:55:46,711 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 23.09090909090909) internal successors, (254), 5 states have internal predecessors, (254), 2 states have call successors, (74), 8 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 536 [2021-12-18 15:55:46,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:55:46,742 INFO L225 Difference]: With dead ends: 21299 [2021-12-18 15:55:46,742 INFO L226 Difference]: Without dead ends: 14024 [2021-12-18 15:55:46,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2021-12-18 15:55:46,758 INFO L933 BasicCegarLoop]: 5287 mSDtfsCounter, 8586 mSDsluCounter, 17555 mSDsCounter, 0 mSdLazyCounter, 12185 mSolverCounterSat, 6600 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8825 SdHoareTripleChecker+Valid, 22842 SdHoareTripleChecker+Invalid, 18791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6600 IncrementalHoareTripleChecker+Valid, 12185 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.9s IncrementalHoareTripleChecker+Time [2021-12-18 15:55:46,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8825 Valid, 22842 Invalid, 18791 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6600 Valid, 12185 Invalid, 6 Unknown, 0 Unchecked, 36.9s Time] [2021-12-18 15:55:46,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14024 states. [2021-12-18 15:55:47,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14024 to 6818. [2021-12-18 15:55:47,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6818 states, 4626 states have (on average 1.2304366623432772) internal successors, (5692), 4708 states have internal predecessors, (5692), 1793 states have call successors, (1793), 393 states have call predecessors, (1793), 397 states have return successors, (1837), 1785 states have call predecessors, (1837), 1793 states have call successors, (1837) [2021-12-18 15:55:47,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6818 states to 6818 states and 9322 transitions. [2021-12-18 15:55:47,444 INFO L78 Accepts]: Start accepts. Automaton has 6818 states and 9322 transitions. Word has length 536 [2021-12-18 15:55:47,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:55:47,445 INFO L470 AbstractCegarLoop]: Abstraction has 6818 states and 9322 transitions. [2021-12-18 15:55:47,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 23.09090909090909) internal successors, (254), 5 states have internal predecessors, (254), 2 states have call successors, (74), 8 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2021-12-18 15:55:47,445 INFO L276 IsEmpty]: Start isEmpty. Operand 6818 states and 9322 transitions. [2021-12-18 15:55:47,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2021-12-18 15:55:47,495 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:55:47,496 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 10, 10, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-18 15:55:47,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-12-18 15:55:47,496 INFO L402 AbstractCegarLoop]: === Iteration 42 === 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 26 more)] === [2021-12-18 15:55:47,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:55:47,497 INFO L85 PathProgramCache]: Analyzing trace with hash -635569079, now seen corresponding path program 1 times [2021-12-18 15:55:47,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:55:47,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134448797] [2021-12-18 15:55:47,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:55:47,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:55:47,673 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 15:55:47,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1595956300] [2021-12-18 15:55:47,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:55:47,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:55:47,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:55:47,676 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 15:55:47,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-18 15:55:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:49,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 7122 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-18 15:55:49,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:55:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2021-12-18 15:55:50,599 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:55:50,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:55:50,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134448797] [2021-12-18 15:55:50,599 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 15:55:50,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595956300] [2021-12-18 15:55:50,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595956300] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:55:50,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:55:50,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 15:55:50,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043429125] [2021-12-18 15:55:50,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:55:50,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 15:55:50,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:55:50,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 15:55:50,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 15:55:50,601 INFO L87 Difference]: Start difference. First operand 6818 states and 9322 transitions. Second operand has 5 states, 5 states have (on average 52.6) internal successors, (263), 4 states have internal predecessors, (263), 2 states have call successors, (75), 3 states have call predecessors, (75), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2021-12-18 15:55:51,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:55:51,241 INFO L93 Difference]: Finished difference Result 6818 states and 9322 transitions. [2021-12-18 15:55:51,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 15:55:51,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 52.6) internal successors, (263), 4 states have internal predecessors, (263), 2 states have call successors, (75), 3 states have call predecessors, (75), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 547 [2021-12-18 15:55:51,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:55:51,255 INFO L225 Difference]: With dead ends: 6818 [2021-12-18 15:55:51,255 INFO L226 Difference]: Without dead ends: 6816 [2021-12-18 15:55:51,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:55:51,257 INFO L933 BasicCegarLoop]: 6498 mSDtfsCounter, 3389 mSDsluCounter, 16068 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3390 SdHoareTripleChecker+Valid, 22566 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:55:51,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3390 Valid, 22566 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 15:55:51,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6816 states. [2021-12-18 15:55:51,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6816 to 6816. [2021-12-18 15:55:51,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6816 states, 4625 states have (on average 1.2302702702702704) internal successors, (5690), 4706 states have internal predecessors, (5690), 1793 states have call successors, (1793), 393 states have call predecessors, (1793), 397 states have return successors, (1837), 1785 states have call predecessors, (1837), 1793 states have call successors, (1837) [2021-12-18 15:55:51,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6816 states to 6816 states and 9320 transitions. [2021-12-18 15:55:51,848 INFO L78 Accepts]: Start accepts. Automaton has 6816 states and 9320 transitions. Word has length 547 [2021-12-18 15:55:51,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:55:51,849 INFO L470 AbstractCegarLoop]: Abstraction has 6816 states and 9320 transitions. [2021-12-18 15:55:51,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.6) internal successors, (263), 4 states have internal predecessors, (263), 2 states have call successors, (75), 3 states have call predecessors, (75), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2021-12-18 15:55:51,849 INFO L276 IsEmpty]: Start isEmpty. Operand 6816 states and 9320 transitions. [2021-12-18 15:55:51,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2021-12-18 15:55:51,860 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:55:51,860 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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] [2021-12-18 15:55:51,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-18 15:55:52,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:55:52,077 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 15:55:52,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:55:52,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1928316737, now seen corresponding path program 1 times [2021-12-18 15:55:52,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:55:52,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923718071] [2021-12-18 15:55:52,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:55:52,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:55:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:55:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:55:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:55:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:55:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:55:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:55:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:55:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:55:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:55:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:55:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:55:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:55:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:55:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:55:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:55:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 15:55:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 15:55:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 15:55:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 15:55:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 15:55:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:55:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:55:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:55:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 15:55:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 15:55:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 15:55:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 15:55:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 15:55:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 15:55:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 15:55:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 15:55:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 15:55:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 15:55:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 15:55:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 15:55:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:55:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:55:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 15:55:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 15:55:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-18 15:55:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 15:55:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-18 15:55:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 15:55:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-18 15:55:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 15:55:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 15:55:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 15:55:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 15:55:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-18 15:55:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 15:55:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 15:55:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-18 15:55:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:55:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 15:55:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 15:55:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 15:55:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:55:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:55:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 15:55:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-18 15:55:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-18 15:55:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 15:55:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-12-18 15:55:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-12-18 15:55:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 15:55:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 15:55:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-12-18 15:55:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-12-18 15:55:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-18 15:55:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-18 15:55:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-12-18 15:55:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-12-18 15:55:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-12-18 15:55:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:52,835 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2021-12-18 15:55:52,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:55:52,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923718071] [2021-12-18 15:55:52,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923718071] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:55:52,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:55:52,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-18 15:55:52,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74945562] [2021-12-18 15:55:52,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:55:52,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 15:55:52,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:55:52,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 15:55:52,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-12-18 15:55:52,837 INFO L87 Difference]: Start difference. First operand 6816 states and 9320 transitions. Second operand has 11 states, 11 states have (on average 23.363636363636363) internal successors, (257), 5 states have internal predecessors, (257), 2 states have call successors, (73), 8 states have call predecessors, (73), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2021-12-18 15:55:56,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:55:58,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:56:10,685 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:56:12,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:56:17,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:56:18,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:56:29,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:56:31,338 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:56:33,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:56:34,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:56:34,593 INFO L93 Difference]: Finished difference Result 13642 states and 19174 transitions. [2021-12-18 15:56:34,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-18 15:56:34,593 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 23.363636363636363) internal successors, (257), 5 states have internal predecessors, (257), 2 states have call successors, (73), 8 states have call predecessors, (73), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 551 [2021-12-18 15:56:34,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:56:34,596 INFO L225 Difference]: With dead ends: 13642 [2021-12-18 15:56:34,596 INFO L226 Difference]: Without dead ends: 0 [2021-12-18 15:56:34,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2021-12-18 15:56:34,618 INFO L933 BasicCegarLoop]: 4265 mSDtfsCounter, 7716 mSDsluCounter, 13365 mSDsCounter, 0 mSdLazyCounter, 13399 mSolverCounterSat, 5018 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7716 SdHoareTripleChecker+Valid, 17630 SdHoareTripleChecker+Invalid, 18424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5018 IncrementalHoareTripleChecker+Valid, 13399 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:56:34,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7716 Valid, 17630 Invalid, 18424 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5018 Valid, 13399 Invalid, 7 Unknown, 0 Unchecked, 40.4s Time] [2021-12-18 15:56:34,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-18 15:56:34,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-18 15:56:34,621 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) [2021-12-18 15:56:34,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-18 15:56:34,625 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 551 [2021-12-18 15:56:34,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:56:34,626 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-18 15:56:34,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 23.363636363636363) internal successors, (257), 5 states have internal predecessors, (257), 2 states have call successors, (73), 8 states have call predecessors, (73), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2021-12-18 15:56:34,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-18 15:56:34,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-18 15:56:34,634 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 28 remaining) [2021-12-18 15:56:34,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 28 remaining) [2021-12-18 15:56:34,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 28 remaining) [2021-12-18 15:56:34,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 28 remaining) [2021-12-18 15:56:34,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 28 remaining) [2021-12-18 15:56:34,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 28 remaining) [2021-12-18 15:56:34,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 28 remaining) [2021-12-18 15:56:34,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 28 remaining) [2021-12-18 15:56:34,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION (19 of 28 remaining) [2021-12-18 15:56:34,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 28 remaining) [2021-12-18 15:56:34,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION (17 of 28 remaining) [2021-12-18 15:56:34,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 28 remaining) [2021-12-18 15:56:34,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 28 remaining) [2021-12-18 15:56:34,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 28 remaining) [2021-12-18 15:56:34,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 28 remaining) [2021-12-18 15:56:34,637 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 28 remaining) [2021-12-18 15:56:34,637 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 28 remaining) [2021-12-18 15:56:34,637 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 28 remaining) [2021-12-18 15:56:34,637 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 28 remaining) [2021-12-18 15:56:34,637 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 28 remaining) [2021-12-18 15:56:34,637 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 28 remaining) [2021-12-18 15:56:34,637 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 28 remaining) [2021-12-18 15:56:34,638 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 28 remaining) [2021-12-18 15:56:34,638 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 28 remaining) [2021-12-18 15:56:34,638 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 28 remaining) [2021-12-18 15:56:34,638 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 28 remaining) [2021-12-18 15:56:34,638 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 28 remaining) [2021-12-18 15:56:34,638 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 28 remaining) [2021-12-18 15:56:34,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-12-18 15:56:34,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-18 15:56:59,054 WARN L227 SmtUtils]: Spent 6.55s on a formula simplification that was a NOOP. DAG size: 217 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-18 15:57:47,993 WARN L227 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 155 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) Killed by 15