./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--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.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 215f888dc671693e11ab9e6bd2129df5ac5b9449825c6d5223962a3561afda36 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 13:00:31,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 13:00:31,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 13:00:31,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 13:00:31,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 13:00:31,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 13:00:31,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 13:00:31,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 13:00:31,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 13:00:31,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 13:00:31,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 13:00:31,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 13:00:31,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 13:00:31,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 13:00:31,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 13:00:31,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 13:00:31,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 13:00:31,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 13:00:31,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 13:00:31,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 13:00:31,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 13:00:31,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 13:00:31,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 13:00:31,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 13:00:31,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 13:00:31,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 13:00:31,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 13:00:32,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 13:00:32,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 13:00:32,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 13:00:32,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 13:00:32,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 13:00:32,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 13:00:32,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 13:00:32,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 13:00:32,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 13:00:32,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 13:00:32,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 13:00:32,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 13:00:32,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 13:00:32,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 13:00:32,007 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 13:00:32,031 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 13:00:32,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 13:00:32,034 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 13:00:32,034 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 13:00:32,035 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 13:00:32,035 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 13:00:32,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 13:00:32,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 13:00:32,036 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 13:00:32,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 13:00:32,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 13:00:32,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 13:00:32,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 13:00:32,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 13:00:32,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 13:00:32,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 13:00:32,042 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 13:00:32,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 13:00:32,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 13:00:32,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 13:00:32,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 13:00:32,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 13:00:32,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 13:00:32,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 13:00:32,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 13:00:32,044 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 13:00:32,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 13:00:32,044 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 13:00:32,044 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 13:00:32,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 13:00:32,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 13:00:32,044 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 215f888dc671693e11ab9e6bd2129df5ac5b9449825c6d5223962a3561afda36 [2021-11-17 13:00:32,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 13:00:32,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 13:00:32,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 13:00:32,272 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 13:00:32,272 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 13:00:32,273 INFO L432 ainManager$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--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2021-11-17 13:00:32,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c37beee/8252691abb8f424aa41e07c9a82b1afd/FLAG6818c39fd [2021-11-17 13:00:33,061 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 13:00:33,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2021-11-17 13:00:33,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c37beee/8252691abb8f424aa41e07c9a82b1afd/FLAG6818c39fd [2021-11-17 13:00:33,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c37beee/8252691abb8f424aa41e07c9a82b1afd [2021-11-17 13:00:33,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 13:00:33,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 13:00:33,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 13:00:33,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 13:00:33,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 13:00:33,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:00:33" (1/1) ... [2021-11-17 13:00:33,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e92ea8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:00:33, skipping insertion in model container [2021-11-17 13:00:33,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:00:33" (1/1) ... [2021-11-17 13:00:33,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 13:00:33,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 13:00:39,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[628967,628980] [2021-11-17 13:00:39,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629112,629125] [2021-11-17 13:00:39,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629258,629271] [2021-11-17 13:00:39,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629423,629436] [2021-11-17 13:00:39,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629581,629594] [2021-11-17 13:00:39,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629739,629752] [2021-11-17 13:00:39,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629897,629910] [2021-11-17 13:00:39,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630057,630070] [2021-11-17 13:00:39,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630216,630229] [2021-11-17 13:00:39,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630355,630368] [2021-11-17 13:00:39,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630497,630510] [2021-11-17 13:00:39,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630646,630659] [2021-11-17 13:00:39,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630785,630798] [2021-11-17 13:00:39,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630940,630953] [2021-11-17 13:00:39,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631100,631113] [2021-11-17 13:00:39,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631251,631264] [2021-11-17 13:00:39,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631402,631415] [2021-11-17 13:00:39,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631554,631567] [2021-11-17 13:00:39,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631703,631716] [2021-11-17 13:00:39,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631851,631864] [2021-11-17 13:00:39,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632008,632021] [2021-11-17 13:00:39,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632157,632170] [2021-11-17 13:00:39,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632313,632326] [2021-11-17 13:00:39,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632466,632479] [2021-11-17 13:00:39,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632612,632625] [2021-11-17 13:00:39,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632755,632768] [2021-11-17 13:00:39,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632907,632920] [2021-11-17 13:00:39,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633053,633066] [2021-11-17 13:00:39,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633198,633211] [2021-11-17 13:00:39,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633352,633365] [2021-11-17 13:00:39,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633503,633516] [2021-11-17 13:00:39,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633658,633671] [2021-11-17 13:00:39,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633810,633823] [2021-11-17 13:00:39,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633965,633978] [2021-11-17 13:00:39,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634129,634142] [2021-11-17 13:00:39,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634285,634298] [2021-11-17 13:00:39,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634449,634462] [2021-11-17 13:00:39,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634591,634604] [2021-11-17 13:00:39,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634749,634762] [2021-11-17 13:00:39,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634916,634929] [2021-11-17 13:00:39,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635075,635088] [2021-11-17 13:00:39,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635234,635247] [2021-11-17 13:00:39,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635383,635396] [2021-11-17 13:00:39,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635530,635543] [2021-11-17 13:00:39,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635669,635682] [2021-11-17 13:00:39,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635832,635845] [2021-11-17 13:00:39,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635998,636011] [2021-11-17 13:00:39,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636162,636175] [2021-11-17 13:00:39,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636327,636340] [2021-11-17 13:00:39,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636492,636505] [2021-11-17 13:00:39,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636658,636671] [2021-11-17 13:00:39,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636823,636836] [2021-11-17 13:00:39,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636990,637003] [2021-11-17 13:00:39,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637150,637163] [2021-11-17 13:00:39,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637312,637325] [2021-11-17 13:00:39,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637471,637484] [2021-11-17 13:00:39,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637617,637630] [2021-11-17 13:00:39,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637760,637773] [2021-11-17 13:00:39,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637904,637917] [2021-11-17 13:00:39,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638047,638060] [2021-11-17 13:00:39,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638191,638204] [2021-11-17 13:00:39,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638332,638345] [2021-11-17 13:00:39,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638470,638483] [2021-11-17 13:00:39,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638628,638641] [2021-11-17 13:00:39,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638787,638800] [2021-11-17 13:00:39,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638943,638956] [2021-11-17 13:00:39,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639092,639105] [2021-11-17 13:00:39,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639244,639257] [2021-11-17 13:00:39,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639395,639408] [2021-11-17 13:00:39,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639544,639557] [2021-11-17 13:00:39,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639696,639709] [2021-11-17 13:00:39,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639844,639857] [2021-11-17 13:00:39,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639997,640010] [2021-11-17 13:00:39,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640148,640161] [2021-11-17 13:00:39,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640298,640311] [2021-11-17 13:00:39,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640445,640458] [2021-11-17 13:00:39,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640596,640609] [2021-11-17 13:00:39,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640747,640760] [2021-11-17 13:00:39,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640895,640908] [2021-11-17 13:00:39,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641061,641074] [2021-11-17 13:00:39,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641230,641243] [2021-11-17 13:00:39,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641397,641410] [2021-11-17 13:00:39,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641565,641578] [2021-11-17 13:00:39,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641715,641728] [2021-11-17 13:00:39,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641862,641875] [2021-11-17 13:00:39,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642023,642036] [2021-11-17 13:00:39,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642193,642206] [2021-11-17 13:00:39,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642355,642368] [2021-11-17 13:00:39,647 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 13:00:39,681 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 13:00:39,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[628967,628980] [2021-11-17 13:00:39,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629112,629125] [2021-11-17 13:00:39,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629258,629271] [2021-11-17 13:00:39,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629423,629436] [2021-11-17 13:00:39,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629581,629594] [2021-11-17 13:00:39,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629739,629752] [2021-11-17 13:00:39,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629897,629910] [2021-11-17 13:00:39,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630057,630070] [2021-11-17 13:00:39,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630216,630229] [2021-11-17 13:00:39,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630355,630368] [2021-11-17 13:00:39,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630497,630510] [2021-11-17 13:00:39,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630646,630659] [2021-11-17 13:00:39,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630785,630798] [2021-11-17 13:00:39,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630940,630953] [2021-11-17 13:00:39,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631100,631113] [2021-11-17 13:00:39,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631251,631264] [2021-11-17 13:00:39,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631402,631415] [2021-11-17 13:00:39,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631554,631567] [2021-11-17 13:00:39,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631703,631716] [2021-11-17 13:00:39,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631851,631864] [2021-11-17 13:00:39,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632008,632021] [2021-11-17 13:00:39,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632157,632170] [2021-11-17 13:00:39,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632313,632326] [2021-11-17 13:00:39,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632466,632479] [2021-11-17 13:00:39,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632612,632625] [2021-11-17 13:00:39,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632755,632768] [2021-11-17 13:00:39,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632907,632920] [2021-11-17 13:00:39,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633053,633066] [2021-11-17 13:00:39,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633198,633211] [2021-11-17 13:00:39,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633352,633365] [2021-11-17 13:00:39,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633503,633516] [2021-11-17 13:00:39,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633658,633671] [2021-11-17 13:00:39,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633810,633823] [2021-11-17 13:00:39,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633965,633978] [2021-11-17 13:00:39,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634129,634142] [2021-11-17 13:00:39,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634285,634298] [2021-11-17 13:00:39,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634449,634462] [2021-11-17 13:00:39,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634591,634604] [2021-11-17 13:00:39,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634749,634762] [2021-11-17 13:00:39,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634916,634929] [2021-11-17 13:00:39,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635075,635088] [2021-11-17 13:00:39,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635234,635247] [2021-11-17 13:00:39,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635383,635396] [2021-11-17 13:00:39,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635530,635543] [2021-11-17 13:00:39,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635669,635682] [2021-11-17 13:00:39,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635832,635845] [2021-11-17 13:00:39,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635998,636011] [2021-11-17 13:00:39,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636162,636175] [2021-11-17 13:00:39,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636327,636340] [2021-11-17 13:00:39,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636492,636505] [2021-11-17 13:00:39,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636658,636671] [2021-11-17 13:00:39,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636823,636836] [2021-11-17 13:00:39,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636990,637003] [2021-11-17 13:00:39,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637150,637163] [2021-11-17 13:00:39,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637312,637325] [2021-11-17 13:00:39,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637471,637484] [2021-11-17 13:00:39,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637617,637630] [2021-11-17 13:00:39,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637760,637773] [2021-11-17 13:00:40,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637904,637917] [2021-11-17 13:00:40,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638047,638060] [2021-11-17 13:00:40,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638191,638204] [2021-11-17 13:00:40,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638332,638345] [2021-11-17 13:00:40,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638470,638483] [2021-11-17 13:00:40,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638628,638641] [2021-11-17 13:00:40,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638787,638800] [2021-11-17 13:00:40,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638943,638956] [2021-11-17 13:00:40,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639092,639105] [2021-11-17 13:00:40,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639244,639257] [2021-11-17 13:00:40,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639395,639408] [2021-11-17 13:00:40,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639544,639557] [2021-11-17 13:00:40,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639696,639709] [2021-11-17 13:00:40,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639844,639857] [2021-11-17 13:00:40,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639997,640010] [2021-11-17 13:00:40,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640148,640161] [2021-11-17 13:00:40,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640298,640311] [2021-11-17 13:00:40,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640445,640458] [2021-11-17 13:00:40,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640596,640609] [2021-11-17 13:00:40,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640747,640760] [2021-11-17 13:00:40,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640895,640908] [2021-11-17 13:00:40,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641061,641074] [2021-11-17 13:00:40,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641230,641243] [2021-11-17 13:00:40,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641397,641410] [2021-11-17 13:00:40,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641565,641578] [2021-11-17 13:00:40,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641715,641728] [2021-11-17 13:00:40,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641862,641875] [2021-11-17 13:00:40,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642023,642036] [2021-11-17 13:00:40,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642193,642206] [2021-11-17 13:00:40,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642355,642368] [2021-11-17 13:00:40,057 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 13:00:40,377 INFO L208 MainTranslator]: Completed translation [2021-11-17 13:00:40,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:00:40 WrapperNode [2021-11-17 13:00:40,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 13:00:40,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 13:00:40,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 13:00:40,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 13:00:40,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:00:40" (1/1) ... [2021-11-17 13:00:40,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:00:40" (1/1) ... [2021-11-17 13:00:40,681 INFO L137 Inliner]: procedures = 800, calls = 5082, calls flagged for inlining = 403, calls inlined = 325, statements flattened = 9606 [2021-11-17 13:00:40,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 13:00:40,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 13:00:40,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 13:00:40,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 13:00:40,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:00:40" (1/1) ... [2021-11-17 13:00:40,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:00:40" (1/1) ... [2021-11-17 13:00:40,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:00:40" (1/1) ... [2021-11-17 13:00:40,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:00:40" (1/1) ... [2021-11-17 13:00:40,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:00:40" (1/1) ... [2021-11-17 13:00:40,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:00:40" (1/1) ... [2021-11-17 13:00:40,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:00:40" (1/1) ... [2021-11-17 13:00:41,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 13:00:41,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 13:00:41,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 13:00:41,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 13:00:41,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:00:40" (1/1) ... [2021-11-17 13:00:41,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 13:00:41,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:00:41,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 13:00:41,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 13:00:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_125 [2021-11-17 13:00:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_125 [2021-11-17 13:00:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-17 13:00:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-17 13:00:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 13:00:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 13:00:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 13:00:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 13:00:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-17 13:00:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-17 13:00:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2021-11-17 13:00:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2021-11-17 13:00:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2021-11-17 13:00:41,234 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2021-11-17 13:00:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2021-11-17 13:00:41,234 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2021-11-17 13:00:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2021-11-17 13:00:41,234 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2021-11-17 13:00:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-17 13:00:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-17 13:00:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-11-17 13:00:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-11-17 13:00:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-17 13:00:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-17 13:00:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 13:00:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 13:00:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2021-11-17 13:00:41,236 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2021-11-17 13:00:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 13:00:41,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 13:00:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-11-17 13:00:41,236 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-11-17 13:00:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2021-11-17 13:00:41,236 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2021-11-17 13:00:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-17 13:00:41,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-17 13:00:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 13:00:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-17 13:00:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-17 13:00:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 13:00:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 13:00:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2021-11-17 13:00:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2021-11-17 13:00:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-17 13:00:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-17 13:00:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 13:00:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 13:00:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-11-17 13:00:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-11-17 13:00:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2021-11-17 13:00:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2021-11-17 13:00:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-17 13:00:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-17 13:00:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-17 13:00:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-17 13:00:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 13:00:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 13:00:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 13:00:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 13:00:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 13:00:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 13:00:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 13:00:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-11-17 13:00:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-11-17 13:00:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2021-11-17 13:00:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2021-11-17 13:00:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2021-11-17 13:00:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2021-11-17 13:00:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 13:00:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 13:00:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2021-11-17 13:00:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2021-11-17 13:00:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2021-11-17 13:00:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2021-11-17 13:00:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-17 13:00:41,259 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-17 13:00:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 13:00:41,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 13:00:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 13:00:41,259 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 13:00:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 13:00:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2021-11-17 13:00:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2021-11-17 13:00:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2021-11-17 13:00:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2021-11-17 13:00:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-11-17 13:00:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-11-17 13:00:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 13:00:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 13:00:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-17 13:00:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-17 13:00:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2021-11-17 13:00:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2021-11-17 13:00:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_122 [2021-11-17 13:00:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_122 [2021-11-17 13:00:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-17 13:00:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-17 13:00:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-11-17 13:00:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-11-17 13:00:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-17 13:00:41,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-17 13:00:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 13:00:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-17 13:00:41,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-17 13:00:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 13:00:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2021-11-17 13:00:41,262 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2021-11-17 13:00:41,263 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2021-11-17 13:00:41,275 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2021-11-17 13:00:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 13:00:41,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 13:00:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2021-11-17 13:00:41,276 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2021-11-17 13:00:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2021-11-17 13:00:41,276 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2021-11-17 13:00:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-17 13:00:41,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-17 13:00:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-17 13:00:41,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-17 13:00:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2021-11-17 13:00:41,277 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2021-11-17 13:00:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 13:00:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 13:00:41,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 13:00:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2021-11-17 13:00:41,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2021-11-17 13:00:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2021-11-17 13:00:41,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2021-11-17 13:00:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-17 13:00:41,278 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-17 13:00:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2021-11-17 13:00:41,278 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2021-11-17 13:00:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 13:00:41,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 13:00:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2021-11-17 13:00:41,278 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2021-11-17 13:00:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2021-11-17 13:00:41,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2021-11-17 13:00:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-17 13:00:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2021-11-17 13:00:41,279 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2021-11-17 13:00:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-17 13:00:41,280 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-17 13:00:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-11-17 13:00:41,280 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-11-17 13:00:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-11-17 13:00:41,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-11-17 13:00:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-17 13:00:41,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-17 13:00:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2021-11-17 13:00:41,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2021-11-17 13:00:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-11-17 13:00:41,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-11-17 13:00:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 13:00:41,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 13:00:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 13:00:41,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 13:00:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 13:00:41,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 13:00:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2021-11-17 13:00:41,282 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2021-11-17 13:00:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2021-11-17 13:00:41,282 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2021-11-17 13:00:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2021-11-17 13:00:41,282 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2021-11-17 13:00:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-17 13:00:41,282 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-17 13:00:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2021-11-17 13:00:41,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2021-11-17 13:00:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-17 13:00:41,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-17 13:00:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-11-17 13:00:41,283 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-11-17 13:00:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-17 13:00:41,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-17 13:00:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 13:00:41,284 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 13:00:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2021-11-17 13:00:41,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2021-11-17 13:00:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2021-11-17 13:00:41,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2021-11-17 13:00:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-11-17 13:00:41,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-11-17 13:00:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 13:00:41,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 13:00:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2021-11-17 13:00:41,285 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2021-11-17 13:00:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 13:00:41,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 13:00:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-17 13:00:41,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-17 13:00:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 13:00:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-11-17 13:00:41,286 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-11-17 13:00:41,286 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2021-11-17 13:00:41,286 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2021-11-17 13:00:41,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 13:00:41,286 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-11-17 13:00:41,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-11-17 13:00:41,286 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 13:00:41,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 13:00:41,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 13:00:41,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-17 13:00:41,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-17 13:00:41,287 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 13:00:41,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 13:00:41,287 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2021-11-17 13:00:41,287 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2021-11-17 13:00:41,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 13:00:41,288 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 13:00:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-17 13:00:41,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-17 13:00:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 13:00:41,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 13:00:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 13:00:41,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 13:00:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_5 [2021-11-17 13:00:41,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_5 [2021-11-17 13:00:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_6 [2021-11-17 13:00:41,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_6 [2021-11-17 13:00:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-17 13:00:41,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-17 13:00:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2021-11-17 13:00:41,289 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2021-11-17 13:00:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-17 13:00:41,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-17 13:00:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-11-17 13:00:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-11-17 13:00:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-17 13:00:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-17 13:00:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-17 13:00:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-17 13:00:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-11-17 13:00:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-11-17 13:00:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 13:00:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 13:00:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 13:00:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 13:00:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2021-11-17 13:00:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2021-11-17 13:00:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-17 13:00:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-17 13:00:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2021-11-17 13:00:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2021-11-17 13:00:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-11-17 13:00:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-11-17 13:00:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2021-11-17 13:00:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2021-11-17 13:00:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2021-11-17 13:00:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2021-11-17 13:00:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2021-11-17 13:00:41,293 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2021-11-17 13:00:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 13:00:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 13:00:41,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 13:00:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2021-11-17 13:00:41,293 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2021-11-17 13:00:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 13:00:41,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 13:00:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 13:00:41,294 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 13:00:41,294 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-11-17 13:00:41,294 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-11-17 13:00:41,294 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2021-11-17 13:00:41,294 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2021-11-17 13:00:41,294 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-17 13:00:41,294 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-17 13:00:41,294 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2021-11-17 13:00:41,294 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2021-11-17 13:00:41,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_rtl8180_priv [2021-11-17 13:00:41,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_rtl8180_priv [2021-11-17 13:00:41,295 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2021-11-17 13:00:41,311 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2021-11-17 13:00:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_rtl8180_priv [2021-11-17 13:00:41,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_rtl8180_priv [2021-11-17 13:00:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2021-11-17 13:00:41,312 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2021-11-17 13:00:41,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 13:00:41,312 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-17 13:00:41,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-17 13:00:41,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-17 13:00:41,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-17 13:00:41,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-17 13:00:41,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-17 13:00:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 13:00:41,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 13:00:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2021-11-17 13:00:41,313 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2021-11-17 13:00:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-17 13:00:41,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-17 13:00:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-17 13:00:41,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-17 13:00:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-11-17 13:00:41,314 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-11-17 13:00:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2021-11-17 13:00:41,314 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2021-11-17 13:00:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-17 13:00:41,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-17 13:00:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-17 13:00:41,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-17 13:00:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-11-17 13:00:41,315 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-11-17 13:00:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-17 13:00:41,315 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-17 13:00:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2021-11-17 13:00:41,315 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2021-11-17 13:00:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 13:00:41,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 13:00:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-17 13:00:41,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-17 13:00:41,316 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-17 13:00:41,316 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-17 13:00:41,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 13:00:41,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 13:00:41,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-17 13:00:41,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-17 13:00:41,316 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-17 13:00:41,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-17 13:00:41,316 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-11-17 13:00:41,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-11-17 13:00:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 13:00:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2021-11-17 13:00:41,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2021-11-17 13:00:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2021-11-17 13:00:41,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2021-11-17 13:00:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-11-17 13:00:41,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-11-17 13:00:42,240 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 13:00:42,242 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 13:00:42,599 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 13:00:51,791 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 13:00:51,815 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 13:00:51,816 INFO L301 CfgBuilder]: Removed 78 assume(true) statements. [2021-11-17 13:00:51,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:00:51 BoogieIcfgContainer [2021-11-17 13:00:51,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 13:00:51,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 13:00:51,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 13:00:51,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 13:00:51,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:00:33" (1/3) ... [2021-11-17 13:00:51,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb01796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:00:51, skipping insertion in model container [2021-11-17 13:00:51,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:00:40" (2/3) ... [2021-11-17 13:00:51,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb01796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:00:51, skipping insertion in model container [2021-11-17 13:00:51,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:00:51" (3/3) ... [2021-11-17 13:00:51,830 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2021-11-17 13:00:51,836 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 13:00:51,836 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2021-11-17 13:00:51,884 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 13:00:51,891 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 13:00:51,891 INFO L340 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-11-17 13:00:51,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 4104 states, 2315 states have (on average 1.2535637149028078) internal successors, (2902), 2515 states have internal predecessors, (2902), 1683 states have call successors, (1683), 155 states have call predecessors, (1683), 154 states have return successors, (1673), 1629 states have call predecessors, (1673), 1673 states have call successors, (1673) [2021-11-17 13:00:51,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-17 13:00:51,962 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:00:51,963 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:00:51,963 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:00:51,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:00:51,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1559260182, now seen corresponding path program 1 times [2021-11-17 13:00:51,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:00:51,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935395551] [2021-11-17 13:00:51,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:00:51,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:00:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:52,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:00:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:52,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:00:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:52,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:00:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:52,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:00:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:52,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:00:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:52,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:00:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:52,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:52,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:00:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:52,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:00:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:52,788 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:00:52,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:00:52,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935395551] [2021-11-17 13:00:52,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935395551] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:00:52,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:00:52,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:00:52,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437499597] [2021-11-17 13:00:52,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:00:52,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:00:52,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:00:52,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:00:52,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:00:52,826 INFO L87 Difference]: Start difference. First operand has 4104 states, 2315 states have (on average 1.2535637149028078) internal successors, (2902), 2515 states have internal predecessors, (2902), 1683 states have call successors, (1683), 155 states have call predecessors, (1683), 154 states have return successors, (1673), 1629 states have call predecessors, (1673), 1673 states have call successors, (1673) Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 13:00:54,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:00:56,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:01:02,946 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:01:08,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:01:08,814 INFO L93 Difference]: Finished difference Result 7941 states and 12219 transitions. [2021-11-17 13:01:08,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:01:08,816 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 64 [2021-11-17 13:01:08,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:01:08,865 INFO L225 Difference]: With dead ends: 7941 [2021-11-17 13:01:08,866 INFO L226 Difference]: Without dead ends: 3846 [2021-11-17 13:01:08,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:01:08,945 INFO L933 BasicCegarLoop]: 4459 mSDtfsCounter, 6466 mSDsluCounter, 4132 mSDsCounter, 0 mSdLazyCounter, 5001 mSolverCounterSat, 8373 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6762 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 13376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8373 IncrementalHoareTripleChecker+Valid, 5001 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:01:08,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6762 Valid, 8591 Invalid, 13376 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8373 Valid, 5001 Invalid, 2 Unknown, 0 Unchecked, 15.1s Time] [2021-11-17 13:01:08,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3846 states. [2021-11-17 13:01:09,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3846 to 3846. [2021-11-17 13:01:09,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3846 states, 2070 states have (on average 1.2251207729468598) internal successors, (2536), 2191 states have internal predecessors, (2536), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-17 13:01:09,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3846 states to 3846 states and 5724 transitions. [2021-11-17 13:01:09,227 INFO L78 Accepts]: Start accepts. Automaton has 3846 states and 5724 transitions. Word has length 64 [2021-11-17 13:01:09,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:01:09,229 INFO L470 AbstractCegarLoop]: Abstraction has 3846 states and 5724 transitions. [2021-11-17 13:01:09,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 13:01:09,229 INFO L276 IsEmpty]: Start isEmpty. Operand 3846 states and 5724 transitions. [2021-11-17 13:01:09,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-17 13:01:09,237 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:01:09,237 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] [2021-11-17 13:01:09,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 13:01:09,238 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:01:09,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:01:09,239 INFO L85 PathProgramCache]: Analyzing trace with hash -526046573, now seen corresponding path program 1 times [2021-11-17 13:01:09,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:01:09,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214726981] [2021-11-17 13:01:09,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:01:09,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:01:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:09,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:01:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:09,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:01:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:09,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:01:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:09,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:01:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:09,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:01:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:09,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:01:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:09,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:09,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:01:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:09,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:01:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:09,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:01:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:01:09,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:01:09,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214726981] [2021-11-17 13:01:09,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214726981] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:01:09,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:01:09,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:01:09,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503356905] [2021-11-17 13:01:09,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:01:09,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:01:09,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:01:09,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:01:09,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:01:09,640 INFO L87 Difference]: Start difference. First operand 3846 states and 5724 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-17 13:01:11,690 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:01:21,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:01:21,966 INFO L93 Difference]: Finished difference Result 3846 states and 5724 transitions. [2021-11-17 13:01:21,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:01:21,974 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 70 [2021-11-17 13:01:21,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:01:22,028 INFO L225 Difference]: With dead ends: 3846 [2021-11-17 13:01:22,029 INFO L226 Difference]: Without dead ends: 3844 [2021-11-17 13:01:22,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:01:22,039 INFO L933 BasicCegarLoop]: 4429 mSDtfsCounter, 6421 mSDsluCounter, 4093 mSDsCounter, 0 mSdLazyCounter, 4989 mSolverCounterSat, 8352 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6714 SdHoareTripleChecker+Valid, 8522 SdHoareTripleChecker+Invalid, 13342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4989 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2021-11-17 13:01:22,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6714 Valid, 8522 Invalid, 13342 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 4989 Invalid, 1 Unknown, 0 Unchecked, 11.9s Time] [2021-11-17 13:01:22,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3844 states. [2021-11-17 13:01:22,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3844 to 3844. [2021-11-17 13:01:22,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3844 states, 2069 states have (on average 1.224746254229096) internal successors, (2534), 2189 states have internal predecessors, (2534), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-17 13:01:22,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3844 states to 3844 states and 5722 transitions. [2021-11-17 13:01:22,254 INFO L78 Accepts]: Start accepts. Automaton has 3844 states and 5722 transitions. Word has length 70 [2021-11-17 13:01:22,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:01:22,256 INFO L470 AbstractCegarLoop]: Abstraction has 3844 states and 5722 transitions. [2021-11-17 13:01:22,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-17 13:01:22,257 INFO L276 IsEmpty]: Start isEmpty. Operand 3844 states and 5722 transitions. [2021-11-17 13:01:22,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-17 13:01:22,260 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:01:22,260 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:01:22,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 13:01:22,261 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:01:22,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:01:22,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1074682784, now seen corresponding path program 1 times [2021-11-17 13:01:22,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:01:22,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812630065] [2021-11-17 13:01:22,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:01:22,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:01:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:22,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:01:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:22,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:01:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:22,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:01:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:22,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:01:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:22,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:01:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:22,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:01:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:22,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:22,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:01:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:22,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:01:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:22,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:01:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:22,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:01:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:22,688 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:01:22,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:01:22,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812630065] [2021-11-17 13:01:22,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812630065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:01:22,689 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:01:22,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:01:22,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933268482] [2021-11-17 13:01:22,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:01:22,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:01:22,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:01:22,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:01:22,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:01:22,691 INFO L87 Difference]: Start difference. First operand 3844 states and 5722 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-17 13:01:25,698 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:01:29,682 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:01:37,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:01:37,532 INFO L93 Difference]: Finished difference Result 3844 states and 5722 transitions. [2021-11-17 13:01:37,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:01:37,533 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 76 [2021-11-17 13:01:37,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:01:37,581 INFO L225 Difference]: With dead ends: 3844 [2021-11-17 13:01:37,581 INFO L226 Difference]: Without dead ends: 3842 [2021-11-17 13:01:37,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:01:37,587 INFO L933 BasicCegarLoop]: 4427 mSDtfsCounter, 6415 mSDsluCounter, 4093 mSDsCounter, 0 mSdLazyCounter, 4987 mSolverCounterSat, 8352 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6707 SdHoareTripleChecker+Valid, 8520 SdHoareTripleChecker+Invalid, 13340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4987 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2021-11-17 13:01:37,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6707 Valid, 8520 Invalid, 13340 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 4987 Invalid, 1 Unknown, 0 Unchecked, 14.4s Time] [2021-11-17 13:01:37,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3842 states. [2021-11-17 13:01:37,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3842 to 3842. [2021-11-17 13:01:37,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3842 states, 2068 states have (on average 1.2243713733075434) internal successors, (2532), 2187 states have internal predecessors, (2532), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-17 13:01:37,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 3842 states and 5720 transitions. [2021-11-17 13:01:37,806 INFO L78 Accepts]: Start accepts. Automaton has 3842 states and 5720 transitions. Word has length 76 [2021-11-17 13:01:37,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:01:37,807 INFO L470 AbstractCegarLoop]: Abstraction has 3842 states and 5720 transitions. [2021-11-17 13:01:37,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-17 13:01:37,807 INFO L276 IsEmpty]: Start isEmpty. Operand 3842 states and 5720 transitions. [2021-11-17 13:01:37,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-17 13:01:37,809 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:01:37,809 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:01:37,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 13:01:37,810 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:01:37,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:01:37,810 INFO L85 PathProgramCache]: Analyzing trace with hash 203945259, now seen corresponding path program 1 times [2021-11-17 13:01:37,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:01:37,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865957851] [2021-11-17 13:01:37,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:01:37,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:01:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:38,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:01:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:38,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:01:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:38,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:01:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:38,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:01:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:38,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:01:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:38,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:01:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:38,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:38,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:01:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:38,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:01:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:38,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:01:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:38,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:01:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:38,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:01:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:38,213 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:01:38,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:01:38,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865957851] [2021-11-17 13:01:38,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865957851] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:01:38,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:01:38,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:01:38,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41932530] [2021-11-17 13:01:38,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:01:38,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:01:38,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:01:38,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:01:38,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:01:38,216 INFO L87 Difference]: Start difference. First operand 3842 states and 5720 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 13:01:40,275 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:01:41,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:01:51,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:01:51,550 INFO L93 Difference]: Finished difference Result 3842 states and 5720 transitions. [2021-11-17 13:01:51,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:01:51,551 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 82 [2021-11-17 13:01:51,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:01:51,571 INFO L225 Difference]: With dead ends: 3842 [2021-11-17 13:01:51,571 INFO L226 Difference]: Without dead ends: 3840 [2021-11-17 13:01:51,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:01:51,576 INFO L933 BasicCegarLoop]: 4425 mSDtfsCounter, 6409 mSDsluCounter, 4093 mSDsCounter, 0 mSdLazyCounter, 4985 mSolverCounterSat, 8352 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6700 SdHoareTripleChecker+Valid, 8518 SdHoareTripleChecker+Invalid, 13338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4985 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-11-17 13:01:51,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6700 Valid, 8518 Invalid, 13338 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 4985 Invalid, 1 Unknown, 0 Unchecked, 12.9s Time] [2021-11-17 13:01:51,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3840 states. [2021-11-17 13:01:51,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3840 to 3840. [2021-11-17 13:01:51,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3840 states, 2067 states have (on average 1.223996129656507) internal successors, (2530), 2185 states have internal predecessors, (2530), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-17 13:01:51,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 3840 states and 5718 transitions. [2021-11-17 13:01:51,751 INFO L78 Accepts]: Start accepts. Automaton has 3840 states and 5718 transitions. Word has length 82 [2021-11-17 13:01:51,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:01:51,752 INFO L470 AbstractCegarLoop]: Abstraction has 3840 states and 5718 transitions. [2021-11-17 13:01:51,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 13:01:51,752 INFO L276 IsEmpty]: Start isEmpty. Operand 3840 states and 5718 transitions. [2021-11-17 13:01:51,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-17 13:01:51,753 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:01:51,753 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:01:51,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 13:01:51,753 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:01:51,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:01:51,754 INFO L85 PathProgramCache]: Analyzing trace with hash -159108127, now seen corresponding path program 1 times [2021-11-17 13:01:51,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:01:51,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106913977] [2021-11-17 13:01:51,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:01:51,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:01:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:51,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:01:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:52,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:01:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:52,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:01:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:52,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:01:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:52,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:01:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:52,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:01:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:52,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:52,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:01:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:52,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:01:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:52,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:01:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:52,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:01:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:52,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:01:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:52,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:01:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:52,148 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:01:52,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:01:52,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106913977] [2021-11-17 13:01:52,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106913977] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:01:52,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:01:52,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:01:52,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413328452] [2021-11-17 13:01:52,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:01:52,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:01:52,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:01:52,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:01:52,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:01:52,151 INFO L87 Difference]: Start difference. First operand 3840 states and 5718 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-17 13:01:54,210 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:01:56,277 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:01:59,458 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:02:06,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:02:06,739 INFO L93 Difference]: Finished difference Result 3840 states and 5718 transitions. [2021-11-17 13:02:06,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:02:06,740 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 88 [2021-11-17 13:02:06,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:02:06,766 INFO L225 Difference]: With dead ends: 3840 [2021-11-17 13:02:06,766 INFO L226 Difference]: Without dead ends: 3838 [2021-11-17 13:02:06,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:02:06,771 INFO L933 BasicCegarLoop]: 4423 mSDtfsCounter, 6403 mSDsluCounter, 4093 mSDsCounter, 0 mSdLazyCounter, 4982 mSolverCounterSat, 8352 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6693 SdHoareTripleChecker+Valid, 8516 SdHoareTripleChecker+Invalid, 13336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4982 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2021-11-17 13:02:06,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6693 Valid, 8516 Invalid, 13336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8352 Valid, 4982 Invalid, 2 Unknown, 0 Unchecked, 14.2s Time] [2021-11-17 13:02:06,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3838 states. [2021-11-17 13:02:06,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3838 to 3838. [2021-11-17 13:02:06,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3838 states, 2066 states have (on average 1.223620522749274) internal successors, (2528), 2183 states have internal predecessors, (2528), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-17 13:02:06,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 5716 transitions. [2021-11-17 13:02:06,928 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 5716 transitions. Word has length 88 [2021-11-17 13:02:06,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:02:06,929 INFO L470 AbstractCegarLoop]: Abstraction has 3838 states and 5716 transitions. [2021-11-17 13:02:06,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-17 13:02:06,930 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 5716 transitions. [2021-11-17 13:02:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-17 13:02:06,934 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:02:06,934 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:02:06,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 13:02:06,934 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:02:06,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:02:06,934 INFO L85 PathProgramCache]: Analyzing trace with hash 838045961, now seen corresponding path program 1 times [2021-11-17 13:02:06,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:02:06,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24115737] [2021-11-17 13:02:06,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:02:06,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:02:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:02:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:02:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:02:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:02:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:02:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:02:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:02:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:02:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:02:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:02:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:02:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:02:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:02:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,232 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:02:07,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:02:07,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24115737] [2021-11-17 13:02:07,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24115737] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:02:07,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:02:07,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:02:07,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292062313] [2021-11-17 13:02:07,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:02:07,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:02:07,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:02:07,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:02:07,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:02:07,235 INFO L87 Difference]: Start difference. First operand 3838 states and 5716 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 13:02:09,288 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:02:11,355 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:02:20,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:02:20,970 INFO L93 Difference]: Finished difference Result 3838 states and 5716 transitions. [2021-11-17 13:02:20,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:02:20,971 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 94 [2021-11-17 13:02:20,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:02:20,987 INFO L225 Difference]: With dead ends: 3838 [2021-11-17 13:02:20,987 INFO L226 Difference]: Without dead ends: 3836 [2021-11-17 13:02:20,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:02:20,990 INFO L933 BasicCegarLoop]: 4421 mSDtfsCounter, 6397 mSDsluCounter, 4093 mSDsCounter, 0 mSdLazyCounter, 4980 mSolverCounterSat, 8352 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6686 SdHoareTripleChecker+Valid, 8514 SdHoareTripleChecker+Invalid, 13334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4980 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2021-11-17 13:02:20,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6686 Valid, 8514 Invalid, 13334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8352 Valid, 4980 Invalid, 2 Unknown, 0 Unchecked, 13.3s Time] [2021-11-17 13:02:20,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3836 states. [2021-11-17 13:02:21,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3836 to 3836. [2021-11-17 13:02:21,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3836 states, 2065 states have (on average 1.2232445520581114) internal successors, (2526), 2181 states have internal predecessors, (2526), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-17 13:02:21,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3836 states to 3836 states and 5714 transitions. [2021-11-17 13:02:21,164 INFO L78 Accepts]: Start accepts. Automaton has 3836 states and 5714 transitions. Word has length 94 [2021-11-17 13:02:21,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:02:21,165 INFO L470 AbstractCegarLoop]: Abstraction has 3836 states and 5714 transitions. [2021-11-17 13:02:21,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 13:02:21,165 INFO L276 IsEmpty]: Start isEmpty. Operand 3836 states and 5714 transitions. [2021-11-17 13:02:21,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-17 13:02:21,166 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:02:21,167 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, 1, 1, 1] [2021-11-17 13:02:21,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 13:02:21,167 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:02:21,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:02:21,167 INFO L85 PathProgramCache]: Analyzing trace with hash 457825285, now seen corresponding path program 1 times [2021-11-17 13:02:21,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:02:21,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920083303] [2021-11-17 13:02:21,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:02:21,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:02:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:02:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:02:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:02:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:02:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:02:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:02:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:02:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 13:02:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:02:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:02:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:21,568 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-17 13:02:21,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:02:21,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920083303] [2021-11-17 13:02:21,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920083303] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:02:21,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:02:21,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:02:21,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651366712] [2021-11-17 13:02:21,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:02:21,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:02:21,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:02:21,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:02:21,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:02:21,570 INFO L87 Difference]: Start difference. First operand 3836 states and 5714 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-11-17 13:02:23,622 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:02:25,696 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:02:27,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:02:33,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:02:40,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:02:40,114 INFO L93 Difference]: Finished difference Result 8148 states and 12174 transitions. [2021-11-17 13:02:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 13:02:40,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 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 117 [2021-11-17 13:02:40,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:02:40,144 INFO L225 Difference]: With dead ends: 8148 [2021-11-17 13:02:40,144 INFO L226 Difference]: Without dead ends: 4333 [2021-11-17 13:02:40,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 13:02:40,165 INFO L933 BasicCegarLoop]: 4175 mSDtfsCounter, 8880 mSDsluCounter, 2159 mSDsCounter, 0 mSdLazyCounter, 3786 mSolverCounterSat, 12298 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9193 SdHoareTripleChecker+Valid, 6334 SdHoareTripleChecker+Invalid, 16088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12298 IncrementalHoareTripleChecker+Valid, 3786 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:02:40,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9193 Valid, 6334 Invalid, 16088 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12298 Valid, 3786 Invalid, 4 Unknown, 0 Unchecked, 18.0s Time] [2021-11-17 13:02:40,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4333 states. [2021-11-17 13:02:40,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4333 to 3832. [2021-11-17 13:02:40,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3832 states, 2062 states have (on average 1.2225994180407371) internal successors, (2521), 2177 states have internal predecessors, (2521), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-17 13:02:40,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 3832 states and 5709 transitions. [2021-11-17 13:02:40,360 INFO L78 Accepts]: Start accepts. Automaton has 3832 states and 5709 transitions. Word has length 117 [2021-11-17 13:02:40,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:02:40,360 INFO L470 AbstractCegarLoop]: Abstraction has 3832 states and 5709 transitions. [2021-11-17 13:02:40,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-11-17 13:02:40,360 INFO L276 IsEmpty]: Start isEmpty. Operand 3832 states and 5709 transitions. [2021-11-17 13:02:40,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-17 13:02:40,363 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:02:40,363 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:02:40,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 13:02:40,363 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:02:40,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:02:40,364 INFO L85 PathProgramCache]: Analyzing trace with hash -430957051, now seen corresponding path program 1 times [2021-11-17 13:02:40,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:02:40,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115319900] [2021-11-17 13:02:40,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:02:40,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:02:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:40,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:02:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:02:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:40,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:02:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:40,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:02:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:40,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:02:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:40,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:02:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:40,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:40,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:02:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:40,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:02:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:40,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:02:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:02:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:40,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:02:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:40,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:02:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:40,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:02:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:40,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:02:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:40,680 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:02:40,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:02:40,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115319900] [2021-11-17 13:02:40,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115319900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:02:40,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:02:40,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:02:40,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034782965] [2021-11-17 13:02:40,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:02:40,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:02:40,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:02:40,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:02:40,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:02:40,682 INFO L87 Difference]: Start difference. First operand 3832 states and 5709 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 13:02:42,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:02:54,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:02:54,317 INFO L93 Difference]: Finished difference Result 3832 states and 5709 transitions. [2021-11-17 13:02:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:02:54,317 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 100 [2021-11-17 13:02:54,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:02:54,331 INFO L225 Difference]: With dead ends: 3832 [2021-11-17 13:02:54,331 INFO L226 Difference]: Without dead ends: 3830 [2021-11-17 13:02:54,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:02:54,334 INFO L933 BasicCegarLoop]: 4414 mSDtfsCounter, 6386 mSDsluCounter, 4079 mSDsCounter, 0 mSdLazyCounter, 4978 mSolverCounterSat, 8352 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6674 SdHoareTripleChecker+Valid, 8493 SdHoareTripleChecker+Invalid, 13331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4978 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:02:54,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6674 Valid, 8493 Invalid, 13331 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 4978 Invalid, 1 Unknown, 0 Unchecked, 13.1s Time] [2021-11-17 13:02:54,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3830 states. [2021-11-17 13:02:54,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3830 to 3830. [2021-11-17 13:02:54,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3830 states, 2061 states have (on average 1.2222222222222223) internal successors, (2519), 2175 states have internal predecessors, (2519), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-17 13:02:54,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3830 states to 3830 states and 5707 transitions. [2021-11-17 13:02:54,518 INFO L78 Accepts]: Start accepts. Automaton has 3830 states and 5707 transitions. Word has length 100 [2021-11-17 13:02:54,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:02:54,518 INFO L470 AbstractCegarLoop]: Abstraction has 3830 states and 5707 transitions. [2021-11-17 13:02:54,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 13:02:54,519 INFO L276 IsEmpty]: Start isEmpty. Operand 3830 states and 5707 transitions. [2021-11-17 13:02:54,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-17 13:02:54,520 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:02:54,520 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, 1, 1, 1] [2021-11-17 13:02:54,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 13:02:54,520 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 27 more)] === [2021-11-17 13:02:54,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:02:54,520 INFO L85 PathProgramCache]: Analyzing trace with hash -957543020, now seen corresponding path program 1 times [2021-11-17 13:02:54,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:02:54,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934298737] [2021-11-17 13:02:54,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:02:54,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:02:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:02:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:02:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:02:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:02:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:02:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:02:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:02:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 13:02:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:02:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:02:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 13:02:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:54,898 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-17 13:02:54,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:02:54,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934298737] [2021-11-17 13:02:54,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934298737] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:02:54,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337312768] [2021-11-17 13:02:54,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:02:54,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:02:54,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:02:54,901 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:02:54,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 13:02:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:56,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 4358 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 13:02:56,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:02:56,350 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-17 13:02:56,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:02:56,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337312768] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:02:56,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:02:56,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-11-17 13:02:56,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554904091] [2021-11-17 13:02:56,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:02:56,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 13:02:56,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:02:56,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 13:02:56,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:02:56,352 INFO L87 Difference]: Start difference. First operand 3830 states and 5707 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-11-17 13:02:56,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:02:56,574 INFO L93 Difference]: Finished difference Result 7635 states and 11379 transitions. [2021-11-17 13:02:56,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 13:02:56,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 123 [2021-11-17 13:02:56,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:02:56,593 INFO L225 Difference]: With dead ends: 7635 [2021-11-17 13:02:56,593 INFO L226 Difference]: Without dead ends: 3826 [2021-11-17 13:02:56,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:02:56,614 INFO L933 BasicCegarLoop]: 5701 mSDtfsCounter, 5678 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5678 SdHoareTripleChecker+Valid, 5701 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:02:56,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5678 Valid, 5701 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 13:02:56,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3826 states. [2021-11-17 13:02:56,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3826 to 3826. [2021-11-17 13:02:56,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3826 states, 2058 states have (on average 1.2215743440233235) internal successors, (2514), 2171 states have internal predecessors, (2514), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-17 13:02:56,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 3826 states and 5702 transitions. [2021-11-17 13:02:56,811 INFO L78 Accepts]: Start accepts. Automaton has 3826 states and 5702 transitions. Word has length 123 [2021-11-17 13:02:56,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:02:56,812 INFO L470 AbstractCegarLoop]: Abstraction has 3826 states and 5702 transitions. [2021-11-17 13:02:56,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-11-17 13:02:56,812 INFO L276 IsEmpty]: Start isEmpty. Operand 3826 states and 5702 transitions. [2021-11-17 13:02:56,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-17 13:02:56,814 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:02:56,814 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:02:56,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 13:02:57,039 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 [2021-11-17 13:02:57,039 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:02:57,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:02:57,040 INFO L85 PathProgramCache]: Analyzing trace with hash -154293420, now seen corresponding path program 1 times [2021-11-17 13:02:57,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:02:57,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901175334] [2021-11-17 13:02:57,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:02:57,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:02:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:57,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:02:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:57,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:02:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:57,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:02:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:57,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:02:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:57,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:02:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:57,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:02:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:57,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:57,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:02:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:57,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:02:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:57,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:02:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:57,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:02:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:57,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:02:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:57,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:02:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:57,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:02:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:57,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:02:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:57,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:02:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:57,340 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:02:57,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:02:57,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901175334] [2021-11-17 13:02:57,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901175334] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:02:57,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:02:57,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:02:57,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337241511] [2021-11-17 13:02:57,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:02:57,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:02:57,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:02:57,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:02:57,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:02:57,341 INFO L87 Difference]: Start difference. First operand 3826 states and 5702 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 13:02:59,395 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:03:01,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:03:05,576 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:03:08,511 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:03:14,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:03:14,373 INFO L93 Difference]: Finished difference Result 3826 states and 5702 transitions. [2021-11-17 13:03:14,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:03:14,374 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106 [2021-11-17 13:03:14,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:03:14,389 INFO L225 Difference]: With dead ends: 3826 [2021-11-17 13:03:14,389 INFO L226 Difference]: Without dead ends: 3824 [2021-11-17 13:03:14,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:03:14,392 INFO L933 BasicCegarLoop]: 4407 mSDtfsCounter, 6379 mSDsluCounter, 4065 mSDsCounter, 0 mSdLazyCounter, 4970 mSolverCounterSat, 8352 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6666 SdHoareTripleChecker+Valid, 8472 SdHoareTripleChecker+Invalid, 13324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4970 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2021-11-17 13:03:14,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6666 Valid, 8472 Invalid, 13324 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 4970 Invalid, 2 Unknown, 0 Unchecked, 16.6s Time] [2021-11-17 13:03:14,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3824 states. [2021-11-17 13:03:14,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3824 to 3824. [2021-11-17 13:03:14,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3824 states, 2057 states have (on average 1.2211959163830821) internal successors, (2512), 2169 states have internal predecessors, (2512), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-17 13:03:14,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3824 states to 3824 states and 5700 transitions. [2021-11-17 13:03:14,578 INFO L78 Accepts]: Start accepts. Automaton has 3824 states and 5700 transitions. Word has length 106 [2021-11-17 13:03:14,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:03:14,579 INFO L470 AbstractCegarLoop]: Abstraction has 3824 states and 5700 transitions. [2021-11-17 13:03:14,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 13:03:14,579 INFO L276 IsEmpty]: Start isEmpty. Operand 3824 states and 5700 transitions. [2021-11-17 13:03:14,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-17 13:03:14,580 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:03:14,580 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:03:14,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 13:03:14,581 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:03:14,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:03:14,581 INFO L85 PathProgramCache]: Analyzing trace with hash 2048045431, now seen corresponding path program 1 times [2021-11-17 13:03:14,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:03:14,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577276321] [2021-11-17 13:03:14,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:03:14,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:03:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:14,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:03:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:14,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:03:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:14,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:03:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:14,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:03:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:14,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:03:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:14,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:03:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:14,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:03:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:14,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:03:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:14,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:03:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:14,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:03:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:14,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:03:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:14,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:03:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:14,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:03:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:14,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:03:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:14,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:03:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:14,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:03:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:14,892 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:03:14,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:03:14,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577276321] [2021-11-17 13:03:14,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577276321] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:03:14,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:03:14,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:03:14,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253843475] [2021-11-17 13:03:14,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:03:14,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:03:14,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:03:14,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:03:14,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:03:14,895 INFO L87 Difference]: Start difference. First operand 3824 states and 5700 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 13:03:16,984 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:03:19,062 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:03:24,936 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:03:30,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:03:30,438 INFO L93 Difference]: Finished difference Result 3824 states and 5700 transitions. [2021-11-17 13:03:30,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:03:30,438 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 108 [2021-11-17 13:03:30,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:03:30,452 INFO L225 Difference]: With dead ends: 3824 [2021-11-17 13:03:30,452 INFO L226 Difference]: Without dead ends: 3822 [2021-11-17 13:03:30,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:03:30,456 INFO L933 BasicCegarLoop]: 4405 mSDtfsCounter, 6367 mSDsluCounter, 4065 mSDsCounter, 0 mSdLazyCounter, 4972 mSolverCounterSat, 8352 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6654 SdHoareTripleChecker+Valid, 8470 SdHoareTripleChecker+Invalid, 13326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4972 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:03:30,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6654 Valid, 8470 Invalid, 13326 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 4972 Invalid, 2 Unknown, 0 Unchecked, 15.1s Time] [2021-11-17 13:03:30,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3822 states. [2021-11-17 13:03:30,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3822 to 3822. [2021-11-17 13:03:30,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3822 states, 2056 states have (on average 1.2208171206225682) internal successors, (2510), 2167 states have internal predecessors, (2510), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-17 13:03:30,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3822 states to 3822 states and 5698 transitions. [2021-11-17 13:03:30,648 INFO L78 Accepts]: Start accepts. Automaton has 3822 states and 5698 transitions. Word has length 108 [2021-11-17 13:03:30,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:03:30,649 INFO L470 AbstractCegarLoop]: Abstraction has 3822 states and 5698 transitions. [2021-11-17 13:03:30,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 13:03:30,649 INFO L276 IsEmpty]: Start isEmpty. Operand 3822 states and 5698 transitions. [2021-11-17 13:03:30,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-17 13:03:30,650 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:03:30,651 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:03:30,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 13:03:30,651 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:03:30,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:03:30,652 INFO L85 PathProgramCache]: Analyzing trace with hash -315457705, now seen corresponding path program 1 times [2021-11-17 13:03:30,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:03:30,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754817629] [2021-11-17 13:03:30,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:03:30,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:03:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:30,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:03:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:30,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:03:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:30,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:03:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:30,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:03:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:30,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:03:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:30,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:03:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:30,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:03:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:30,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:03:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:30,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:03:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:30,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:03:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:03:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:30,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:03:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:30,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:03:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:30,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:03:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:30,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:03:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:30,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:03:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:30,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:03:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:30,972 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:03:30,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:03:30,973 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754817629] [2021-11-17 13:03:30,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754817629] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:03:30,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:03:30,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:03:30,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131087753] [2021-11-17 13:03:30,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:03:30,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:03:30,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:03:30,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:03:30,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:03:30,975 INFO L87 Difference]: Start difference. First operand 3822 states and 5698 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 13:03:33,034 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:03:37,159 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:03:39,985 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:03:46,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:03:46,403 INFO L93 Difference]: Finished difference Result 3822 states and 5698 transitions. [2021-11-17 13:03:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:03:46,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 114 [2021-11-17 13:03:46,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:03:46,416 INFO L225 Difference]: With dead ends: 3822 [2021-11-17 13:03:46,416 INFO L226 Difference]: Without dead ends: 3820 [2021-11-17 13:03:46,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:03:46,419 INFO L933 BasicCegarLoop]: 4403 mSDtfsCounter, 6363 mSDsluCounter, 4065 mSDsCounter, 0 mSdLazyCounter, 4970 mSolverCounterSat, 8352 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6649 SdHoareTripleChecker+Valid, 8468 SdHoareTripleChecker+Invalid, 13324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4970 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2021-11-17 13:03:46,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6649 Valid, 8468 Invalid, 13324 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 4970 Invalid, 2 Unknown, 0 Unchecked, 14.9s Time] [2021-11-17 13:03:46,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3820 states. [2021-11-17 13:03:46,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3820 to 3820. [2021-11-17 13:03:46,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3820 states, 2055 states have (on average 1.2204379562043797) internal successors, (2508), 2165 states have internal predecessors, (2508), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-17 13:03:46,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3820 states to 3820 states and 5696 transitions. [2021-11-17 13:03:46,610 INFO L78 Accepts]: Start accepts. Automaton has 3820 states and 5696 transitions. Word has length 114 [2021-11-17 13:03:46,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:03:46,610 INFO L470 AbstractCegarLoop]: Abstraction has 3820 states and 5696 transitions. [2021-11-17 13:03:46,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 13:03:46,611 INFO L276 IsEmpty]: Start isEmpty. Operand 3820 states and 5696 transitions. [2021-11-17 13:03:46,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-17 13:03:46,612 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:03:46,612 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:03:46,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 13:03:46,612 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:03:46,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:03:46,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1894568298, now seen corresponding path program 1 times [2021-11-17 13:03:46,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:03:46,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763593905] [2021-11-17 13:03:46,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:03:46,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:03:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:03:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:03:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:03:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:03:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:03:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:03:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:03:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:03:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:03:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:03:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:03:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:03:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:03:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:03:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:03:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:03:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:03:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:03:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:03:46,969 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:03:46,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:03:46,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763593905] [2021-11-17 13:03:46,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763593905] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:03:46,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:03:46,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:03:46,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195965968] [2021-11-17 13:03:46,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:03:46,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:03:46,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:03:46,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:03:46,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:03:46,972 INFO L87 Difference]: Start difference. First operand 3820 states and 5696 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 13:03:49,027 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:03:51,115 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:03:54,166 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:04:00,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:04:00,946 INFO L93 Difference]: Finished difference Result 3820 states and 5696 transitions. [2021-11-17 13:04:00,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:04:00,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 120 [2021-11-17 13:04:00,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:04:00,960 INFO L225 Difference]: With dead ends: 3820 [2021-11-17 13:04:00,960 INFO L226 Difference]: Without dead ends: 3818 [2021-11-17 13:04:00,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:04:00,963 INFO L933 BasicCegarLoop]: 4401 mSDtfsCounter, 6357 mSDsluCounter, 4065 mSDsCounter, 0 mSdLazyCounter, 4968 mSolverCounterSat, 8352 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6642 SdHoareTripleChecker+Valid, 8466 SdHoareTripleChecker+Invalid, 13322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4968 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2021-11-17 13:04:00,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6642 Valid, 8466 Invalid, 13322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8352 Valid, 4968 Invalid, 2 Unknown, 0 Unchecked, 13.5s Time] [2021-11-17 13:04:00,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3818 states. [2021-11-17 13:04:01,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3818 to 3818. [2021-11-17 13:04:01,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3818 states, 2054 states have (on average 1.2200584225900681) internal successors, (2506), 2163 states have internal predecessors, (2506), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-17 13:04:01,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3818 states to 3818 states and 5694 transitions. [2021-11-17 13:04:01,167 INFO L78 Accepts]: Start accepts. Automaton has 3818 states and 5694 transitions. Word has length 120 [2021-11-17 13:04:01,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:04:01,167 INFO L470 AbstractCegarLoop]: Abstraction has 3818 states and 5694 transitions. [2021-11-17 13:04:01,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 13:04:01,167 INFO L276 IsEmpty]: Start isEmpty. Operand 3818 states and 5694 transitions. [2021-11-17 13:04:01,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-17 13:04:01,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:04:01,169 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:04:01,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 13:04:01,169 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:04:01,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:04:01,169 INFO L85 PathProgramCache]: Analyzing trace with hash -2070168641, now seen corresponding path program 1 times [2021-11-17 13:04:01,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:04:01,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117279129] [2021-11-17 13:04:01,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:04:01,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:04:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:04:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:04:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:04:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:04:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:04:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:04:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:04:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:04:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:04:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:04:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:04:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:04:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:04:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:04:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:04:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:04:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:04:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:04:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:01,506 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:04:01,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:04:01,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117279129] [2021-11-17 13:04:01,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117279129] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:04:01,507 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:04:01,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:04:01,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045763825] [2021-11-17 13:04:01,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:04:01,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:04:01,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:04:01,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:04:01,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:04:01,509 INFO L87 Difference]: Start difference. First operand 3818 states and 5694 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 13:04:03,564 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:04:05,655 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:04:08,918 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:04:12,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:04:18,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:04:18,858 INFO L93 Difference]: Finished difference Result 3818 states and 5694 transitions. [2021-11-17 13:04:18,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:04:18,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 126 [2021-11-17 13:04:18,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:04:18,871 INFO L225 Difference]: With dead ends: 3818 [2021-11-17 13:04:18,871 INFO L226 Difference]: Without dead ends: 3816 [2021-11-17 13:04:18,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:04:18,876 INFO L933 BasicCegarLoop]: 4399 mSDtfsCounter, 6351 mSDsluCounter, 4065 mSDsCounter, 0 mSdLazyCounter, 4966 mSolverCounterSat, 8352 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6635 SdHoareTripleChecker+Valid, 8464 SdHoareTripleChecker+Invalid, 13320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4966 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2021-11-17 13:04:18,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6635 Valid, 8464 Invalid, 13320 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 4966 Invalid, 2 Unknown, 0 Unchecked, 16.8s Time] [2021-11-17 13:04:18,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3816 states. [2021-11-17 13:04:19,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3816 to 3816. [2021-11-17 13:04:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3816 states, 2053 states have (on average 1.2196785192401365) internal successors, (2504), 2161 states have internal predecessors, (2504), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-17 13:04:19,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3816 states to 3816 states and 5692 transitions. [2021-11-17 13:04:19,085 INFO L78 Accepts]: Start accepts. Automaton has 3816 states and 5692 transitions. Word has length 126 [2021-11-17 13:04:19,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:04:19,086 INFO L470 AbstractCegarLoop]: Abstraction has 3816 states and 5692 transitions. [2021-11-17 13:04:19,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 13:04:19,086 INFO L276 IsEmpty]: Start isEmpty. Operand 3816 states and 5692 transitions. [2021-11-17 13:04:19,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-17 13:04:19,088 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:04:19,088 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:04:19,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 13:04:19,088 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:04:19,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:04:19,088 INFO L85 PathProgramCache]: Analyzing trace with hash -810986605, now seen corresponding path program 1 times [2021-11-17 13:04:19,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:04:19,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146400019] [2021-11-17 13:04:19,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:04:19,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:04:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:04:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:04:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:04:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:04:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:04:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:04:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:04:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:04:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:04:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:04:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:04:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:04:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:04:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:04:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:04:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:04:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:04:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:04:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:04:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:19,475 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:04:19,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:04:19,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146400019] [2021-11-17 13:04:19,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146400019] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:04:19,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:04:19,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:04:19,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534611724] [2021-11-17 13:04:19,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:04:19,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:04:19,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:04:19,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:04:19,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:04:19,479 INFO L87 Difference]: Start difference. First operand 3816 states and 5692 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 13:04:21,548 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:04:23,452 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:04:27,165 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:04:35,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:04:35,392 INFO L93 Difference]: Finished difference Result 3816 states and 5692 transitions. [2021-11-17 13:04:35,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:04:35,392 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 132 [2021-11-17 13:04:35,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:04:35,405 INFO L225 Difference]: With dead ends: 3816 [2021-11-17 13:04:35,406 INFO L226 Difference]: Without dead ends: 3814 [2021-11-17 13:04:35,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:04:35,411 INFO L933 BasicCegarLoop]: 4397 mSDtfsCounter, 6345 mSDsluCounter, 4065 mSDsCounter, 0 mSdLazyCounter, 4965 mSolverCounterSat, 8352 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6628 SdHoareTripleChecker+Valid, 8462 SdHoareTripleChecker+Invalid, 13318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4965 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2021-11-17 13:04:35,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6628 Valid, 8462 Invalid, 13318 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 4965 Invalid, 1 Unknown, 0 Unchecked, 15.4s Time] [2021-11-17 13:04:35,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3814 states. [2021-11-17 13:04:35,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3814 to 3814. [2021-11-17 13:04:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3814 states, 2052 states have (on average 1.219298245614035) internal successors, (2502), 2159 states have internal predecessors, (2502), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-17 13:04:35,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3814 states and 5690 transitions. [2021-11-17 13:04:35,683 INFO L78 Accepts]: Start accepts. Automaton has 3814 states and 5690 transitions. Word has length 132 [2021-11-17 13:04:35,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:04:35,683 INFO L470 AbstractCegarLoop]: Abstraction has 3814 states and 5690 transitions. [2021-11-17 13:04:35,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 13:04:35,684 INFO L276 IsEmpty]: Start isEmpty. Operand 3814 states and 5690 transitions. [2021-11-17 13:04:35,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-17 13:04:35,685 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:04:35,685 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:04:35,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-17 13:04:35,686 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:04:35,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:04:35,686 INFO L85 PathProgramCache]: Analyzing trace with hash 127541356, now seen corresponding path program 1 times [2021-11-17 13:04:35,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:04:35,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170488573] [2021-11-17 13:04:35,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:04:35,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:04:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:04:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:04:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:04:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:04:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:04:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:04:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:04:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:04:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:04:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:04:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:04:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:04:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:04:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:04:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:04:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:04:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:04:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:04:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:36,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:04:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:36,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:04:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:36,022 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:04:36,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:04:36,022 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170488573] [2021-11-17 13:04:36,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170488573] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:04:36,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:04:36,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:04:36,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452567995] [2021-11-17 13:04:36,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:04:36,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:04:36,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:04:36,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:04:36,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:04:36,024 INFO L87 Difference]: Start difference. First operand 3814 states and 5690 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 13:04:38,082 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:04:40,137 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:04:46,139 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:04:52,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:04:52,871 INFO L93 Difference]: Finished difference Result 3814 states and 5690 transitions. [2021-11-17 13:04:52,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:04:52,872 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2021-11-17 13:04:52,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:04:52,887 INFO L225 Difference]: With dead ends: 3814 [2021-11-17 13:04:52,888 INFO L226 Difference]: Without dead ends: 3812 [2021-11-17 13:04:52,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:04:52,892 INFO L933 BasicCegarLoop]: 4395 mSDtfsCounter, 6339 mSDsluCounter, 4065 mSDsCounter, 0 mSdLazyCounter, 4963 mSolverCounterSat, 8352 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6621 SdHoareTripleChecker+Valid, 8460 SdHoareTripleChecker+Invalid, 13316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4963 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2021-11-17 13:04:52,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6621 Valid, 8460 Invalid, 13316 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 4963 Invalid, 1 Unknown, 0 Unchecked, 16.3s Time] [2021-11-17 13:04:52,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2021-11-17 13:04:53,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3812. [2021-11-17 13:04:53,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3812 states, 2051 states have (on average 1.2189176011701608) internal successors, (2500), 2157 states have internal predecessors, (2500), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-17 13:04:53,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3812 states to 3812 states and 5688 transitions. [2021-11-17 13:04:53,141 INFO L78 Accepts]: Start accepts. Automaton has 3812 states and 5688 transitions. Word has length 138 [2021-11-17 13:04:53,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:04:53,142 INFO L470 AbstractCegarLoop]: Abstraction has 3812 states and 5688 transitions. [2021-11-17 13:04:53,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 13:04:53,142 INFO L276 IsEmpty]: Start isEmpty. Operand 3812 states and 5688 transitions. [2021-11-17 13:04:53,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-17 13:04:53,144 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:04:53,144 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:04:53,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-17 13:04:53,144 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:04:53,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:04:53,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1932109570, now seen corresponding path program 1 times [2021-11-17 13:04:53,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:04:53,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505657544] [2021-11-17 13:04:53,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:04:53,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:04:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:04:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:04:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:04:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:04:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:04:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:04:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:04:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:04:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:04:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:04:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:04:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:04:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:04:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:04:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:04:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:04:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:04:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:04:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:04:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:04:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 13:04:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:53,520 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:04:53,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:04:53,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505657544] [2021-11-17 13:04:53,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505657544] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:04:53,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:04:53,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:04:53,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108674248] [2021-11-17 13:04:53,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:04:53,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:04:53,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:04:53,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:04:53,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:04:53,523 INFO L87 Difference]: Start difference. First operand 3812 states and 5688 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 13:04:55,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:04:57,681 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:05:01,468 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:05:05,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:05:10,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:05:10,711 INFO L93 Difference]: Finished difference Result 3812 states and 5688 transitions. [2021-11-17 13:05:10,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:05:10,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 144 [2021-11-17 13:05:10,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:05:10,724 INFO L225 Difference]: With dead ends: 3812 [2021-11-17 13:05:10,724 INFO L226 Difference]: Without dead ends: 3810 [2021-11-17 13:05:10,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:05:10,728 INFO L933 BasicCegarLoop]: 4393 mSDtfsCounter, 6333 mSDsluCounter, 4065 mSDsCounter, 0 mSdLazyCounter, 4959 mSolverCounterSat, 8352 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6614 SdHoareTripleChecker+Valid, 8458 SdHoareTripleChecker+Invalid, 13314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4959 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2021-11-17 13:05:10,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6614 Valid, 8458 Invalid, 13314 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 4959 Invalid, 3 Unknown, 0 Unchecked, 16.7s Time] [2021-11-17 13:05:10,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3810 states. [2021-11-17 13:05:10,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3810 to 3810. [2021-11-17 13:05:10,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3810 states, 2050 states have (on average 1.2185365853658536) internal successors, (2498), 2155 states have internal predecessors, (2498), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-17 13:05:10,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3810 states to 3810 states and 5686 transitions. [2021-11-17 13:05:10,980 INFO L78 Accepts]: Start accepts. Automaton has 3810 states and 5686 transitions. Word has length 144 [2021-11-17 13:05:10,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:05:10,981 INFO L470 AbstractCegarLoop]: Abstraction has 3810 states and 5686 transitions. [2021-11-17 13:05:10,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 13:05:10,981 INFO L276 IsEmpty]: Start isEmpty. Operand 3810 states and 5686 transitions. [2021-11-17 13:05:10,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-17 13:05:10,998 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:05:10,998 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:05:10,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-17 13:05:10,999 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:05:10,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:05:10,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1594877732, now seen corresponding path program 1 times [2021-11-17 13:05:10,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:05:10,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440759452] [2021-11-17 13:05:10,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:05:11,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:05:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:05:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:05:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:05:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:05:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:05:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:05:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:05:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:05:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:05:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:05:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:05:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:05:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:05:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 13:05:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:05:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:05:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 13:05:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 13:05:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 13:05:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 13:05:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 13:05:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 13:05:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2021-11-17 13:05:11,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:05:11,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440759452] [2021-11-17 13:05:11,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440759452] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:05:11,500 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:05:11,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 13:05:11,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803323536] [2021-11-17 13:05:11,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:05:11,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 13:05:11,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:05:11,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 13:05:11,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-17 13:05:11,503 INFO L87 Difference]: Start difference. First operand 3810 states and 5686 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 13:05:13,573 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:05:16,253 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:05:21,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:05:23,063 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:05:29,641 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:05:30,782 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:05:43,495 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:05:55,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:05:55,542 INFO L93 Difference]: Finished difference Result 7343 states and 11128 transitions. [2021-11-17 13:05:55,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 13:05:55,543 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 171 [2021-11-17 13:05:55,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:05:55,587 INFO L225 Difference]: With dead ends: 7343 [2021-11-17 13:05:55,587 INFO L226 Difference]: Without dead ends: 7341 [2021-11-17 13:05:55,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2021-11-17 13:05:55,591 INFO L933 BasicCegarLoop]: 4521 mSDtfsCounter, 13367 mSDsluCounter, 9000 mSDsCounter, 0 mSdLazyCounter, 17683 mSolverCounterSat, 20286 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13618 SdHoareTripleChecker+Valid, 13521 SdHoareTripleChecker+Invalid, 37972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 20286 IncrementalHoareTripleChecker+Valid, 17683 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.7s IncrementalHoareTripleChecker+Time [2021-11-17 13:05:55,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13618 Valid, 13521 Invalid, 37972 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [20286 Valid, 17683 Invalid, 3 Unknown, 0 Unchecked, 42.7s Time] [2021-11-17 13:05:55,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7341 states. [2021-11-17 13:05:56,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7341 to 6734. [2021-11-17 13:05:56,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6734 states, 3483 states have (on average 1.2090152167671548) internal successors, (4211), 3658 states have internal predecessors, (4211), 2973 states have call successors, (2973), 259 states have call predecessors, (2973), 266 states have return successors, (3003), 2900 states have call predecessors, (3003), 2971 states have call successors, (3003) [2021-11-17 13:05:56,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6734 states to 6734 states and 10187 transitions. [2021-11-17 13:05:56,110 INFO L78 Accepts]: Start accepts. Automaton has 6734 states and 10187 transitions. Word has length 171 [2021-11-17 13:05:56,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:05:56,110 INFO L470 AbstractCegarLoop]: Abstraction has 6734 states and 10187 transitions. [2021-11-17 13:05:56,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 13:05:56,111 INFO L276 IsEmpty]: Start isEmpty. Operand 6734 states and 10187 transitions. [2021-11-17 13:05:56,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-17 13:05:56,112 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:05:56,112 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:05:56,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-17 13:05:56,113 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:05:56,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:05:56,113 INFO L85 PathProgramCache]: Analyzing trace with hash 364559981, now seen corresponding path program 1 times [2021-11-17 13:05:56,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:05:56,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028371420] [2021-11-17 13:05:56,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:05:56,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:05:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:05:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:05:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:05:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:05:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:05:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:05:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:05:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:05:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:05:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:05:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:05:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:05:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:05:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:05:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:05:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:05:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:05:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:05:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:05:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:05:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 13:05:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 13:05:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:05:56,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:05:56,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028371420] [2021-11-17 13:05:56,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028371420] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:05:56,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:05:56,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:05:56,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139847570] [2021-11-17 13:05:56,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:05:56,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:05:56,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:05:56,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:05:56,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:05:56,456 INFO L87 Difference]: Start difference. First operand 6734 states and 10187 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 13:05:58,544 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:06:00,650 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:06:05,222 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:06:09,088 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:06:14,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:06:14,961 INFO L93 Difference]: Finished difference Result 6734 states and 10187 transitions. [2021-11-17 13:06:14,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:06:14,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 150 [2021-11-17 13:06:14,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:06:14,989 INFO L225 Difference]: With dead ends: 6734 [2021-11-17 13:06:14,989 INFO L226 Difference]: Without dead ends: 6732 [2021-11-17 13:06:14,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:06:14,995 INFO L933 BasicCegarLoop]: 4391 mSDtfsCounter, 6327 mSDsluCounter, 4065 mSDsCounter, 0 mSdLazyCounter, 4957 mSolverCounterSat, 8352 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6607 SdHoareTripleChecker+Valid, 8456 SdHoareTripleChecker+Invalid, 13312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4957 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2021-11-17 13:06:14,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6607 Valid, 8456 Invalid, 13312 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 4957 Invalid, 3 Unknown, 0 Unchecked, 17.7s Time] [2021-11-17 13:06:15,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6732 states. [2021-11-17 13:06:15,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6732 to 6732. [2021-11-17 13:06:15,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6732 states, 3482 states have (on average 1.2087880528431936) internal successors, (4209), 3656 states have internal predecessors, (4209), 2973 states have call successors, (2973), 259 states have call predecessors, (2973), 266 states have return successors, (3003), 2900 states have call predecessors, (3003), 2971 states have call successors, (3003) [2021-11-17 13:06:15,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6732 states to 6732 states and 10185 transitions. [2021-11-17 13:06:15,487 INFO L78 Accepts]: Start accepts. Automaton has 6732 states and 10185 transitions. Word has length 150 [2021-11-17 13:06:15,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:06:15,487 INFO L470 AbstractCegarLoop]: Abstraction has 6732 states and 10185 transitions. [2021-11-17 13:06:15,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 13:06:15,488 INFO L276 IsEmpty]: Start isEmpty. Operand 6732 states and 10185 transitions. [2021-11-17 13:06:15,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-17 13:06:15,489 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:06:15,490 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:06:15,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-17 13:06:15,490 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_rtnetlink_past_rtnl_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:06:15,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:06:15,490 INFO L85 PathProgramCache]: Analyzing trace with hash 397666402, now seen corresponding path program 1 times [2021-11-17 13:06:15,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:06:15,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742347853] [2021-11-17 13:06:15,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:06:15,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:06:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:06:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:06:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:06:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:06:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:06:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:06:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:06:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:06:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:06:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:06:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:06:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:06:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:06:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 13:06:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:06:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:06:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 13:06:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 13:06:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 13:06:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 13:06:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 13:06:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 13:06:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 13:06:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 13:06:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:15,906 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2021-11-17 13:06:15,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:06:15,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742347853] [2021-11-17 13:06:15,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742347853] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:06:15,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:06:15,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 13:06:15,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291584935] [2021-11-17 13:06:15,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:06:15,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 13:06:15,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:06:15,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 13:06:15,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-17 13:06:15,909 INFO L87 Difference]: Start difference. First operand 6732 states and 10185 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 13:06:17,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:06:20,089 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:06:22,196 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:06:24,322 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:06:26,445 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:06:32,232 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:06:38,655 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:06:41,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:07:07,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:07:07,570 INFO L93 Difference]: Finished difference Result 7476 states and 11341 transitions. [2021-11-17 13:07:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 13:07:07,570 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 179 [2021-11-17 13:07:07,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:07:07,596 INFO L225 Difference]: With dead ends: 7476 [2021-11-17 13:07:07,597 INFO L226 Difference]: Without dead ends: 7474 [2021-11-17 13:07:07,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2021-11-17 13:07:07,606 INFO L933 BasicCegarLoop]: 7130 mSDtfsCounter, 9759 mSDsluCounter, 7823 mSDsCounter, 0 mSdLazyCounter, 17670 mSolverCounterSat, 21010 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9778 SdHoareTripleChecker+Valid, 14953 SdHoareTripleChecker+Invalid, 38685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 21010 IncrementalHoareTripleChecker+Valid, 17670 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.2s IncrementalHoareTripleChecker+Time [2021-11-17 13:07:07,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9778 Valid, 14953 Invalid, 38685 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [21010 Valid, 17670 Invalid, 5 Unknown, 0 Unchecked, 50.2s Time] [2021-11-17 13:07:07,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7474 states. [2021-11-17 13:07:08,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7474 to 6472. [2021-11-17 13:07:08,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6472 states, 3328 states have (on average 1.2127403846153846) internal successors, (4036), 3497 states have internal predecessors, (4036), 2871 states have call successors, (2871), 260 states have call predecessors, (2871), 262 states have return successors, (2886), 2796 states have call predecessors, (2886), 2869 states have call successors, (2886) [2021-11-17 13:07:08,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6472 states to 6472 states and 9793 transitions. [2021-11-17 13:07:08,126 INFO L78 Accepts]: Start accepts. Automaton has 6472 states and 9793 transitions. Word has length 179 [2021-11-17 13:07:08,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:07:08,127 INFO L470 AbstractCegarLoop]: Abstraction has 6472 states and 9793 transitions. [2021-11-17 13:07:08,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 13:07:08,127 INFO L276 IsEmpty]: Start isEmpty. Operand 6472 states and 9793 transitions. [2021-11-17 13:07:08,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-17 13:07:08,129 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:07:08,129 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:07:08,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-17 13:07:08,130 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:07:08,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:07:08,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1534739264, now seen corresponding path program 1 times [2021-11-17 13:07:08,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:07:08,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314753735] [2021-11-17 13:07:08,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:07:08,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:07:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:07:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:07:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:07:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:07:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:07:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:07:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:07:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:07:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:07:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:07:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:07:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:07:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:07:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:07:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:07:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:07:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:07:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:07:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:07:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:07:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 13:07:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 13:07:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 13:07:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:08,530 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:07:08,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:07:08,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314753735] [2021-11-17 13:07:08,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314753735] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:07:08,531 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:07:08,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:07:08,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063619217] [2021-11-17 13:07:08,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:07:08,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:07:08,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:07:08,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:07:08,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:07:08,534 INFO L87 Difference]: Start difference. First operand 6472 states and 9793 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 13:07:10,605 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:07:12,722 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:07:17,012 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:07:21,651 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:07:38,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:07:38,915 INFO L93 Difference]: Finished difference Result 6481 states and 9798 transitions. [2021-11-17 13:07:38,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 13:07:38,915 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 156 [2021-11-17 13:07:38,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:07:38,958 INFO L225 Difference]: With dead ends: 6481 [2021-11-17 13:07:38,958 INFO L226 Difference]: Without dead ends: 6479 [2021-11-17 13:07:38,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-17 13:07:38,963 INFO L933 BasicCegarLoop]: 4448 mSDtfsCounter, 9136 mSDsluCounter, 5463 mSDsCounter, 0 mSdLazyCounter, 10075 mSolverCounterSat, 13221 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9373 SdHoareTripleChecker+Valid, 9911 SdHoareTripleChecker+Invalid, 23298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13221 IncrementalHoareTripleChecker+Valid, 10075 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.3s IncrementalHoareTripleChecker+Time [2021-11-17 13:07:38,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9373 Valid, 9911 Invalid, 23298 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13221 Valid, 10075 Invalid, 2 Unknown, 0 Unchecked, 29.3s Time] [2021-11-17 13:07:38,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6479 states. [2021-11-17 13:07:39,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6479 to 6470. [2021-11-17 13:07:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6470 states, 3327 states have (on average 1.2125037571385633) internal successors, (4034), 3495 states have internal predecessors, (4034), 2871 states have call successors, (2871), 260 states have call predecessors, (2871), 262 states have return successors, (2886), 2796 states have call predecessors, (2886), 2869 states have call successors, (2886) [2021-11-17 13:07:39,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6470 states to 6470 states and 9791 transitions. [2021-11-17 13:07:39,436 INFO L78 Accepts]: Start accepts. Automaton has 6470 states and 9791 transitions. Word has length 156 [2021-11-17 13:07:39,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:07:39,436 INFO L470 AbstractCegarLoop]: Abstraction has 6470 states and 9791 transitions. [2021-11-17 13:07:39,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 13:07:39,437 INFO L276 IsEmpty]: Start isEmpty. Operand 6470 states and 9791 transitions. [2021-11-17 13:07:39,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-17 13:07:39,439 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:07:39,439 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:07:39,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-17 13:07:39,440 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:07:39,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:07:39,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1348838620, now seen corresponding path program 1 times [2021-11-17 13:07:39,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:07:39,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392053991] [2021-11-17 13:07:39,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:07:39,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:07:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:07:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:07:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:07:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:07:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:07:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:07:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:07:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:07:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:07:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:07:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:07:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:07:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:07:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:07:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:07:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:07:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:07:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:07:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:07:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:07:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 13:07:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 13:07:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 13:07:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 13:07:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:39,784 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:07:39,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:07:39,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392053991] [2021-11-17 13:07:39,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392053991] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:07:39,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:07:39,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:07:39,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771337670] [2021-11-17 13:07:39,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:07:39,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:07:39,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:07:39,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:07:39,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:07:39,786 INFO L87 Difference]: Start difference. First operand 6470 states and 9791 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 13:07:41,839 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:07:43,961 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:07:47,673 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:07:57,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:07:57,405 INFO L93 Difference]: Finished difference Result 6470 states and 9791 transitions. [2021-11-17 13:07:57,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:07:57,405 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 162 [2021-11-17 13:07:57,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:07:57,427 INFO L225 Difference]: With dead ends: 6470 [2021-11-17 13:07:57,427 INFO L226 Difference]: Without dead ends: 6468 [2021-11-17 13:07:57,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:07:57,432 INFO L933 BasicCegarLoop]: 4387 mSDtfsCounter, 6315 mSDsluCounter, 4065 mSDsCounter, 0 mSdLazyCounter, 4954 mSolverCounterSat, 8352 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6593 SdHoareTripleChecker+Valid, 8452 SdHoareTripleChecker+Invalid, 13308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4954 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2021-11-17 13:07:57,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6593 Valid, 8452 Invalid, 13308 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 4954 Invalid, 2 Unknown, 0 Unchecked, 16.9s Time] [2021-11-17 13:07:57,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6468 states. [2021-11-17 13:07:57,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6468 to 6468. [2021-11-17 13:07:57,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6468 states, 3326 states have (on average 1.212266987372219) internal successors, (4032), 3493 states have internal predecessors, (4032), 2871 states have call successors, (2871), 260 states have call predecessors, (2871), 262 states have return successors, (2886), 2796 states have call predecessors, (2886), 2869 states have call successors, (2886) [2021-11-17 13:07:57,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6468 states to 6468 states and 9789 transitions. [2021-11-17 13:07:57,980 INFO L78 Accepts]: Start accepts. Automaton has 6468 states and 9789 transitions. Word has length 162 [2021-11-17 13:07:57,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:07:57,980 INFO L470 AbstractCegarLoop]: Abstraction has 6468 states and 9789 transitions. [2021-11-17 13:07:57,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 13:07:57,981 INFO L276 IsEmpty]: Start isEmpty. Operand 6468 states and 9789 transitions. [2021-11-17 13:07:58,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-17 13:07:58,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:07:58,001 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:07:58,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-17 13:07:58,002 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:07:58,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:07:58,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1419801235, now seen corresponding path program 1 times [2021-11-17 13:07:58,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:07:58,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037466583] [2021-11-17 13:07:58,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:07:58,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:07:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:07:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:07:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:07:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:07:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:07:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:07:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:07:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:07:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:07:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:07:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:07:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:07:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:07:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:07:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:07:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:07:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:07:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:07:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:07:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:07:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 13:07:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 13:07:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 13:07:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 13:07:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 13:07:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:58,354 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:07:58,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:07:58,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037466583] [2021-11-17 13:07:58,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037466583] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:07:58,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:07:58,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:07:58,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033532643] [2021-11-17 13:07:58,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:07:58,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:07:58,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:07:58,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:07:58,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:07:58,356 INFO L87 Difference]: Start difference. First operand 6468 states and 9789 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-17 13:08:00,412 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:08:02,539 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:08:15,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:08:15,264 INFO L93 Difference]: Finished difference Result 6468 states and 9789 transitions. [2021-11-17 13:08:15,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:08:15,265 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2021-11-17 13:08:15,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:08:15,287 INFO L225 Difference]: With dead ends: 6468 [2021-11-17 13:08:15,288 INFO L226 Difference]: Without dead ends: 6466 [2021-11-17 13:08:15,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:08:15,297 INFO L933 BasicCegarLoop]: 4385 mSDtfsCounter, 6309 mSDsluCounter, 4065 mSDsCounter, 0 mSdLazyCounter, 4952 mSolverCounterSat, 8352 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6586 SdHoareTripleChecker+Valid, 8450 SdHoareTripleChecker+Invalid, 13306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4952 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2021-11-17 13:08:15,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6586 Valid, 8450 Invalid, 13306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8352 Valid, 4952 Invalid, 2 Unknown, 0 Unchecked, 16.2s Time] [2021-11-17 13:08:15,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6466 states. [2021-11-17 13:08:15,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6466 to 6466. [2021-11-17 13:08:15,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6466 states, 3325 states have (on average 1.21203007518797) internal successors, (4030), 3491 states have internal predecessors, (4030), 2871 states have call successors, (2871), 260 states have call predecessors, (2871), 262 states have return successors, (2886), 2796 states have call predecessors, (2886), 2869 states have call successors, (2886) [2021-11-17 13:08:15,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6466 states to 6466 states and 9787 transitions. [2021-11-17 13:08:15,784 INFO L78 Accepts]: Start accepts. Automaton has 6466 states and 9787 transitions. Word has length 168 [2021-11-17 13:08:15,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:08:15,785 INFO L470 AbstractCegarLoop]: Abstraction has 6466 states and 9787 transitions. [2021-11-17 13:08:15,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-17 13:08:15,785 INFO L276 IsEmpty]: Start isEmpty. Operand 6466 states and 9787 transitions. [2021-11-17 13:08:15,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-17 13:08:15,788 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:08:15,788 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:08:15,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-17 13:08:15,789 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:08:15,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:08:15,789 INFO L85 PathProgramCache]: Analyzing trace with hash 451571711, now seen corresponding path program 1 times [2021-11-17 13:08:15,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:08:15,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326940529] [2021-11-17 13:08:15,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:08:15,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:08:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:15,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:08:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:15,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:08:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:15,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:08:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:15,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:08:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:08:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:08:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:08:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:08:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:08:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:08:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:08:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:08:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:08:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:08:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:08:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:08:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:08:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:08:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:08:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:08:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 13:08:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 13:08:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 13:08:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 13:08:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 13:08:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 13:08:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:16,153 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:08:16,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:08:16,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326940529] [2021-11-17 13:08:16,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326940529] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:08:16,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:08:16,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:08:16,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174653919] [2021-11-17 13:08:16,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:08:16,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:08:16,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:08:16,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:08:16,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:08:16,155 INFO L87 Difference]: Start difference. First operand 6466 states and 9787 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 13:08:18,214 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:08:20,349 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:08:25,082 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:08:35,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:08:35,823 INFO L93 Difference]: Finished difference Result 6466 states and 9787 transitions. [2021-11-17 13:08:35,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:08:35,823 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2021-11-17 13:08:35,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:08:35,847 INFO L225 Difference]: With dead ends: 6466 [2021-11-17 13:08:35,847 INFO L226 Difference]: Without dead ends: 6464 [2021-11-17 13:08:35,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:08:35,852 INFO L933 BasicCegarLoop]: 4383 mSDtfsCounter, 6303 mSDsluCounter, 4065 mSDsCounter, 0 mSdLazyCounter, 4949 mSolverCounterSat, 8352 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6579 SdHoareTripleChecker+Valid, 8448 SdHoareTripleChecker+Invalid, 13304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4949 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2021-11-17 13:08:35,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6579 Valid, 8448 Invalid, 13304 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 4949 Invalid, 3 Unknown, 0 Unchecked, 18.8s Time] [2021-11-17 13:08:35,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6464 states. [2021-11-17 13:08:36,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6464 to 6464. [2021-11-17 13:08:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6464 states, 3324 states have (on average 1.2117930204572804) internal successors, (4028), 3489 states have internal predecessors, (4028), 2871 states have call successors, (2871), 260 states have call predecessors, (2871), 262 states have return successors, (2886), 2796 states have call predecessors, (2886), 2869 states have call successors, (2886) [2021-11-17 13:08:36,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6464 states to 6464 states and 9785 transitions. [2021-11-17 13:08:36,370 INFO L78 Accepts]: Start accepts. Automaton has 6464 states and 9785 transitions. Word has length 174 [2021-11-17 13:08:36,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:08:36,370 INFO L470 AbstractCegarLoop]: Abstraction has 6464 states and 9785 transitions. [2021-11-17 13:08:36,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 13:08:36,371 INFO L276 IsEmpty]: Start isEmpty. Operand 6464 states and 9785 transitions. [2021-11-17 13:08:36,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-17 13:08:36,373 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:08:36,373 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:08:36,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-17 13:08:36,373 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:08:36,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:08:36,374 INFO L85 PathProgramCache]: Analyzing trace with hash 844987414, now seen corresponding path program 1 times [2021-11-17 13:08:36,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:08:36,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761623558] [2021-11-17 13:08:36,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:08:36,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:08:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:08:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:08:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:08:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:08:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:08:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:08:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:08:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:08:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:08:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:08:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:08:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:08:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:08:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:08:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:08:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:08:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:08:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:08:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:08:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:08:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 13:08:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 13:08:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 13:08:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 13:08:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 13:08:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 13:08:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 13:08:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:36,779 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 13:08:36,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:08:36,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761623558] [2021-11-17 13:08:36,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761623558] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:08:36,780 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:08:36,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:08:36,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603575182] [2021-11-17 13:08:36,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:08:36,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:08:36,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:08:36,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:08:36,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:08:36,781 INFO L87 Difference]: Start difference. First operand 6464 states and 9785 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-17 13:08:38,836 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:08:39,916 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:08:47,966 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:08:54,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:08:54,195 INFO L93 Difference]: Finished difference Result 6464 states and 9785 transitions. [2021-11-17 13:08:54,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:08:54,196 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 180 [2021-11-17 13:08:54,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:08:54,237 INFO L225 Difference]: With dead ends: 6464 [2021-11-17 13:08:54,251 INFO L226 Difference]: Without dead ends: 6271 [2021-11-17 13:08:54,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:08:54,259 INFO L933 BasicCegarLoop]: 4382 mSDtfsCounter, 6294 mSDsluCounter, 4065 mSDsCounter, 0 mSdLazyCounter, 4951 mSolverCounterSat, 8352 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6569 SdHoareTripleChecker+Valid, 8447 SdHoareTripleChecker+Invalid, 13304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 4951 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2021-11-17 13:08:54,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6569 Valid, 8447 Invalid, 13304 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 4951 Invalid, 1 Unknown, 0 Unchecked, 16.7s Time] [2021-11-17 13:08:54,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6271 states. [2021-11-17 13:08:54,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6271 to 6271. [2021-11-17 13:08:54,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6271 states, 3206 states have (on average 1.2177167810355582) internal successors, (3904), 3368 states have internal predecessors, (3904), 2816 states have call successors, (2816), 240 states have call predecessors, (2816), 243 states have return successors, (2833), 2743 states have call predecessors, (2833), 2816 states have call successors, (2833) [2021-11-17 13:08:54,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6271 states to 6271 states and 9553 transitions. [2021-11-17 13:08:54,957 INFO L78 Accepts]: Start accepts. Automaton has 6271 states and 9553 transitions. Word has length 180 [2021-11-17 13:08:54,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:08:54,957 INFO L470 AbstractCegarLoop]: Abstraction has 6271 states and 9553 transitions. [2021-11-17 13:08:54,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-17 13:08:54,958 INFO L276 IsEmpty]: Start isEmpty. Operand 6271 states and 9553 transitions. [2021-11-17 13:08:54,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-17 13:08:54,960 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:08:54,960 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:08:54,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-17 13:08:54,960 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:08:54,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:08:54,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1157408642, now seen corresponding path program 1 times [2021-11-17 13:08:54,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:08:54,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147395496] [2021-11-17 13:08:54,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:08:54,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:08:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:08:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:08:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:08:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:08:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:08:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:08:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:08:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:08:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:08:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:08:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:08:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:08:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:08:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 13:08:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:08:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:08:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 13:08:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 13:08:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 13:08:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 13:08:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 13:08:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 13:08:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 13:08:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 13:08:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-17 13:08:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 13:08:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:55,436 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2021-11-17 13:08:55,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:08:55,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147395496] [2021-11-17 13:08:55,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147395496] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:08:55,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:08:55,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 13:08:55,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527936992] [2021-11-17 13:08:55,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:08:55,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 13:08:55,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:08:55,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 13:08:55,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-17 13:08:55,438 INFO L87 Difference]: Start difference. First operand 6271 states and 9553 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 13:08:57,497 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:06,595 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:11,377 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:13,124 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:14,884 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:16,068 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:18,081 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:33,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:09:33,483 INFO L93 Difference]: Finished difference Result 13900 states and 21040 transitions. [2021-11-17 13:09:33,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 13:09:33,484 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) Word has length 223 [2021-11-17 13:09:33,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:09:33,521 INFO L225 Difference]: With dead ends: 13900 [2021-11-17 13:09:33,521 INFO L226 Difference]: Without dead ends: 7648 [2021-11-17 13:09:33,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2021-11-17 13:09:33,559 INFO L933 BasicCegarLoop]: 4205 mSDtfsCounter, 8586 mSDsluCounter, 7847 mSDsCounter, 0 mSdLazyCounter, 15174 mSolverCounterSat, 12155 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8815 SdHoareTripleChecker+Valid, 12052 SdHoareTripleChecker+Invalid, 27332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12155 IncrementalHoareTripleChecker+Valid, 15174 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.7s IncrementalHoareTripleChecker+Time [2021-11-17 13:09:33,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8815 Valid, 12052 Invalid, 27332 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12155 Valid, 15174 Invalid, 3 Unknown, 0 Unchecked, 36.7s Time] [2021-11-17 13:09:33,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7648 states. [2021-11-17 13:09:34,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7648 to 6638. [2021-11-17 13:09:34,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6638 states, 3467 states have (on average 1.2111335448514566) internal successors, (4199), 3629 states have internal predecessors, (4199), 2860 states have call successors, (2860), 302 states have call predecessors, (2860), 305 states have return successors, (2877), 2787 states have call predecessors, (2877), 2860 states have call successors, (2877) [2021-11-17 13:09:34,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6638 states to 6638 states and 9936 transitions. [2021-11-17 13:09:34,166 INFO L78 Accepts]: Start accepts. Automaton has 6638 states and 9936 transitions. Word has length 223 [2021-11-17 13:09:34,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:09:34,166 INFO L470 AbstractCegarLoop]: Abstraction has 6638 states and 9936 transitions. [2021-11-17 13:09:34,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 13:09:34,167 INFO L276 IsEmpty]: Start isEmpty. Operand 6638 states and 9936 transitions. [2021-11-17 13:09:34,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-17 13:09:34,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:09:34,169 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:09:34,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-17 13:09:34,169 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:09:34,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:09:34,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1157468224, now seen corresponding path program 1 times [2021-11-17 13:09:34,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:09:34,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949945392] [2021-11-17 13:09:34,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:09:34,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:09:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:09:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:09:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:09:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:09:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:09:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:09:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:09:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:09:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:09:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:09:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:09:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:09:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:09:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:09:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:09:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:09:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 13:09:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:09:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:09:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 13:09:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 13:09:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 13:09:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:09:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 13:09:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 13:09:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 13:09:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 13:09:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 13:09:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:09:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:09:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-17 13:09:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:09:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:09:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 13:09:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:34,572 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2021-11-17 13:09:34,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:09:34,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949945392] [2021-11-17 13:09:34,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949945392] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:09:34,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549803614] [2021-11-17 13:09:34,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:09:34,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:09:34,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:09:34,574 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:09:34,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 13:09:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:35,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 4857 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-17 13:09:35,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:09:36,034 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2021-11-17 13:09:36,034 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:09:36,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549803614] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:09:36,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:09:36,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2021-11-17 13:09:36,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456458051] [2021-11-17 13:09:36,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:09:36,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 13:09:36,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:09:36,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 13:09:36,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:09:36,036 INFO L87 Difference]: Start difference. First operand 6638 states and 9936 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-11-17 13:09:36,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:09:36,557 INFO L93 Difference]: Finished difference Result 6662 states and 9964 transitions. [2021-11-17 13:09:36,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 13:09:36,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 223 [2021-11-17 13:09:36,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:09:36,588 INFO L225 Difference]: With dead ends: 6662 [2021-11-17 13:09:36,589 INFO L226 Difference]: Without dead ends: 6660 [2021-11-17 13:09:36,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-17 13:09:36,596 INFO L933 BasicCegarLoop]: 5442 mSDtfsCounter, 23 mSDsluCounter, 10881 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 16323 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:09:36,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 16323 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 13:09:36,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6660 states. [2021-11-17 13:09:37,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6660 to 6642. [2021-11-17 13:09:37,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6642 states, 3471 states have (on average 1.2103140305387496) internal successors, (4201), 3633 states have internal predecessors, (4201), 2860 states have call successors, (2860), 302 states have call predecessors, (2860), 305 states have return successors, (2877), 2787 states have call predecessors, (2877), 2860 states have call successors, (2877) [2021-11-17 13:09:37,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6642 states to 6642 states and 9938 transitions. [2021-11-17 13:09:37,205 INFO L78 Accepts]: Start accepts. Automaton has 6642 states and 9938 transitions. Word has length 223 [2021-11-17 13:09:37,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:09:37,206 INFO L470 AbstractCegarLoop]: Abstraction has 6642 states and 9938 transitions. [2021-11-17 13:09:37,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-11-17 13:09:37,206 INFO L276 IsEmpty]: Start isEmpty. Operand 6642 states and 9938 transitions. [2021-11-17 13:09:37,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-17 13:09:37,208 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:09:37,208 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:09:37,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-17 13:09:37,431 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,SelfDestructingSolverStorable26 [2021-11-17 13:09:37,432 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:09:37,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:09:37,432 INFO L85 PathProgramCache]: Analyzing trace with hash 2024522438, now seen corresponding path program 1 times [2021-11-17 13:09:37,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:09:37,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009319153] [2021-11-17 13:09:37,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:09:37,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:09:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:09:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:09:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:09:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:09:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:09:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:09:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:09:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:09:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:09:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:09:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:09:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:09:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:09:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:09:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:09:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:09:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 13:09:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:09:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:09:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 13:09:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 13:09:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 13:09:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:09:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 13:09:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 13:09:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 13:09:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 13:09:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 13:09:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:09:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:09:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-17 13:09:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:09:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:09:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 13:09:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:37,869 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2021-11-17 13:09:37,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:09:37,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009319153] [2021-11-17 13:09:37,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009319153] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:09:37,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:09:37,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 13:09:37,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867101575] [2021-11-17 13:09:37,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:09:37,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 13:09:37,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:09:37,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 13:09:37,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-17 13:09:37,872 INFO L87 Difference]: Start difference. First operand 6642 states and 9938 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-17 13:09:39,927 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:42,081 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:44,229 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:46,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:52,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:13,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:10:13,865 INFO L93 Difference]: Finished difference Result 15026 states and 22630 transitions. [2021-11-17 13:10:13,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 13:10:13,866 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 227 [2021-11-17 13:10:13,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:10:13,993 INFO L225 Difference]: With dead ends: 15026 [2021-11-17 13:10:13,993 INFO L226 Difference]: Without dead ends: 8403 [2021-11-17 13:10:14,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-11-17 13:10:14,034 INFO L933 BasicCegarLoop]: 5056 mSDtfsCounter, 8995 mSDsluCounter, 4574 mSDsCounter, 0 mSdLazyCounter, 9506 mSolverCounterSat, 12681 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9239 SdHoareTripleChecker+Valid, 9630 SdHoareTripleChecker+Invalid, 22192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12681 IncrementalHoareTripleChecker+Valid, 9506 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.5s IncrementalHoareTripleChecker+Time [2021-11-17 13:10:14,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9239 Valid, 9630 Invalid, 22192 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12681 Valid, 9506 Invalid, 5 Unknown, 0 Unchecked, 34.5s Time] [2021-11-17 13:10:14,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8403 states. [2021-11-17 13:10:14,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8403 to 6632. [2021-11-17 13:10:14,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6632 states, 3462 states have (on average 1.2085499711149625) internal successors, (4184), 3623 states have internal predecessors, (4184), 2860 states have call successors, (2860), 302 states have call predecessors, (2860), 305 states have return successors, (2877), 2787 states have call predecessors, (2877), 2860 states have call successors, (2877) [2021-11-17 13:10:14,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6632 states to 6632 states and 9921 transitions. [2021-11-17 13:10:14,659 INFO L78 Accepts]: Start accepts. Automaton has 6632 states and 9921 transitions. Word has length 227 [2021-11-17 13:10:14,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:10:14,660 INFO L470 AbstractCegarLoop]: Abstraction has 6632 states and 9921 transitions. [2021-11-17 13:10:14,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-17 13:10:14,660 INFO L276 IsEmpty]: Start isEmpty. Operand 6632 states and 9921 transitions. [2021-11-17 13:10:14,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-17 13:10:14,666 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:10:14,666 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 5, 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] [2021-11-17 13:10:14,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-17 13:10:14,666 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:10:14,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:10:14,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1662967304, now seen corresponding path program 1 times [2021-11-17 13:10:14,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:10:14,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806625807] [2021-11-17 13:10:14,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:10:14,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:10:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:14,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:10:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:14,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:10:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:14,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:10:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:14,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:10:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:14,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:10:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:14,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:10:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:14,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:10:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:14,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:10:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:14,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:10:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:14,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:10:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:14,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:10:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:14,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:10:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:14,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:10:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:14,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:10:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:10:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:10:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 13:10:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:10:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:10:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 13:10:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 13:10:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 13:10:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:10:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 13:10:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 13:10:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 13:10:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 13:10:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:10:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 13:10:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:10:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:10:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-17 13:10:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 13:10:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 13:10:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:10:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:10:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 13:10:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 13:10:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 13:10:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 13:10:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:10:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:10:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-17 13:10:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:10:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:10:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:15,322 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-11-17 13:10:15,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:10:15,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806625807] [2021-11-17 13:10:15,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806625807] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:10:15,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:10:15,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 13:10:15,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302658575] [2021-11-17 13:10:15,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:10:15,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 13:10:15,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:10:15,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 13:10:15,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-17 13:10:15,324 INFO L87 Difference]: Start difference. First operand 6632 states and 9921 transitions. Second operand has 11 states, 10 states have (on average 15.4) internal successors, (154), 6 states have internal predecessors, (154), 3 states have call successors, (42), 5 states have call predecessors, (42), 3 states have return successors, (38), 4 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-17 13:10:17,475 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:19,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:21,789 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:29,919 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:32,588 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:35,046 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:42,740 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:44,757 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:46,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:48,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:50,824 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:11:13,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:11:13,758 INFO L93 Difference]: Finished difference Result 14261 states and 21432 transitions. [2021-11-17 13:11:13,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 13:11:13,759 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 15.4) internal successors, (154), 6 states have internal predecessors, (154), 3 states have call successors, (42), 5 states have call predecessors, (42), 3 states have return successors, (38), 4 states have call predecessors, (38), 2 states have call successors, (38) Word has length 315 [2021-11-17 13:11:13,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:11:13,788 INFO L225 Difference]: With dead ends: 14261 [2021-11-17 13:11:13,788 INFO L226 Difference]: Without dead ends: 7648 [2021-11-17 13:11:13,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2021-11-17 13:11:13,811 INFO L933 BasicCegarLoop]: 4199 mSDtfsCounter, 5451 mSDsluCounter, 17045 mSDsCounter, 0 mSdLazyCounter, 22450 mSolverCounterSat, 9199 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5451 SdHoareTripleChecker+Valid, 21244 SdHoareTripleChecker+Invalid, 31658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9199 IncrementalHoareTripleChecker+Valid, 22450 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.7s IncrementalHoareTripleChecker+Time [2021-11-17 13:11:13,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5451 Valid, 21244 Invalid, 31658 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9199 Valid, 22450 Invalid, 9 Unknown, 0 Unchecked, 56.7s Time] [2021-11-17 13:11:13,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7648 states. [2021-11-17 13:11:14,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7648 to 6638. [2021-11-17 13:11:14,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6638 states, 3466 states have (on average 1.2083092902481247) internal successors, (4188), 3627 states have internal predecessors, (4188), 2862 states have call successors, (2862), 302 states have call predecessors, (2862), 305 states have return successors, (2879), 2789 states have call predecessors, (2879), 2862 states have call successors, (2879) [2021-11-17 13:11:14,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6638 states to 6638 states and 9929 transitions. [2021-11-17 13:11:14,363 INFO L78 Accepts]: Start accepts. Automaton has 6638 states and 9929 transitions. Word has length 315 [2021-11-17 13:11:14,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:11:14,364 INFO L470 AbstractCegarLoop]: Abstraction has 6638 states and 9929 transitions. [2021-11-17 13:11:14,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 15.4) internal successors, (154), 6 states have internal predecessors, (154), 3 states have call successors, (42), 5 states have call predecessors, (42), 3 states have return successors, (38), 4 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-17 13:11:14,364 INFO L276 IsEmpty]: Start isEmpty. Operand 6638 states and 9929 transitions. [2021-11-17 13:11:14,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-17 13:11:14,370 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:11:14,370 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 5, 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] [2021-11-17 13:11:14,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-17 13:11:14,371 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:11:14,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:11:14,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1634927639, now seen corresponding path program 1 times [2021-11-17 13:11:14,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:11:14,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067436185] [2021-11-17 13:11:14,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:11:14,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:11:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:11:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:11:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:11:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:11:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:11:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:11:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:11:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:11:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:11:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:11:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:11:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:11:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:11:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 13:11:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:11:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:11:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 13:11:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 13:11:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 13:11:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 13:11:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 13:11:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 13:11:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 13:11:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 13:11:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:11:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-17 13:11:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 13:11:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 13:11:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:11:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 13:11:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 13:11:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 13:11:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 13:11:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-17 13:11:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:11:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:14,952 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2021-11-17 13:11:14,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:11:14,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067436185] [2021-11-17 13:11:14,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067436185] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:11:14,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:11:14,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 13:11:14,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375874426] [2021-11-17 13:11:14,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:11:14,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 13:11:14,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:11:14,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 13:11:14,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-17 13:11:14,955 INFO L87 Difference]: Start difference. First operand 6638 states and 9929 transitions. Second operand has 8 states, 8 states have (on average 19.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-17 13:11:17,025 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:11:19,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:11:21,352 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:11:27,247 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:11:28,676 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:11:34,950 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:11:36,967 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:11:52,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:11:52,843 INFO L93 Difference]: Finished difference Result 7662 states and 11487 transitions. [2021-11-17 13:11:52,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 13:11:52,844 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 315 [2021-11-17 13:11:52,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:11:52,870 INFO L225 Difference]: With dead ends: 7662 [2021-11-17 13:11:52,870 INFO L226 Difference]: Without dead ends: 7660 [2021-11-17 13:11:52,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-11-17 13:11:52,875 INFO L933 BasicCegarLoop]: 4198 mSDtfsCounter, 8432 mSDsluCounter, 7119 mSDsCounter, 0 mSdLazyCounter, 10102 mSolverCounterSat, 12135 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8655 SdHoareTripleChecker+Valid, 11317 SdHoareTripleChecker+Invalid, 22241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12135 IncrementalHoareTripleChecker+Valid, 10102 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.6s IncrementalHoareTripleChecker+Time [2021-11-17 13:11:52,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8655 Valid, 11317 Invalid, 22241 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12135 Valid, 10102 Invalid, 4 Unknown, 0 Unchecked, 36.6s Time] [2021-11-17 13:11:52,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7660 states. [2021-11-17 13:11:53,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7660 to 6658. [2021-11-17 13:11:53,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6658 states, 3481 states have (on average 1.2062625682275208) internal successors, (4199), 3641 states have internal predecessors, (4199), 2862 states have call successors, (2862), 308 states have call predecessors, (2862), 311 states have return successors, (2879), 2789 states have call predecessors, (2879), 2862 states have call successors, (2879) [2021-11-17 13:11:53,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6658 states to 6658 states and 9940 transitions. [2021-11-17 13:11:53,491 INFO L78 Accepts]: Start accepts. Automaton has 6658 states and 9940 transitions. Word has length 315 [2021-11-17 13:11:53,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:11:53,491 INFO L470 AbstractCegarLoop]: Abstraction has 6658 states and 9940 transitions. [2021-11-17 13:11:53,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-17 13:11:53,492 INFO L276 IsEmpty]: Start isEmpty. Operand 6658 states and 9940 transitions. [2021-11-17 13:11:53,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-17 13:11:53,498 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:11:53,499 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 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] [2021-11-17 13:11:53,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-17 13:11:53,499 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:11:53,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:11:53,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1743613404, now seen corresponding path program 1 times [2021-11-17 13:11:53,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:11:53,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141604507] [2021-11-17 13:11:53,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:11:53,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:11:53,576 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 13:11:53,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1777485163] [2021-11-17 13:11:53,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:11:53,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:11:53,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:11:53,578 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:11:53,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-17 13:11:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:54,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 5600 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-17 13:11:54,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:11:55,437 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2021-11-17 13:11:55,437 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:11:55,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:11:55,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141604507] [2021-11-17 13:11:55,437 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 13:11:55,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777485163] [2021-11-17 13:11:55,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777485163] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:11:55,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:11:55,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 13:11:55,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422552103] [2021-11-17 13:11:55,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:11:55,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 13:11:55,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:11:55,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 13:11:55,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 13:11:55,439 INFO L87 Difference]: Start difference. First operand 6658 states and 9940 transitions. Second operand has 5 states, 5 states have (on average 34.4) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-17 13:11:57,496 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:11:58,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:11:58,191 INFO L93 Difference]: Finished difference Result 6658 states and 9940 transitions. [2021-11-17 13:11:58,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 13:11:58,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 353 [2021-11-17 13:11:58,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:11:58,222 INFO L225 Difference]: With dead ends: 6658 [2021-11-17 13:11:58,222 INFO L226 Difference]: Without dead ends: 6656 [2021-11-17 13:11:58,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:11:58,225 INFO L933 BasicCegarLoop]: 5598 mSDtfsCounter, 420 mSDsluCounter, 16352 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 21950 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:11:58,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [421 Valid, 21950 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-17 13:11:58,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6656 states. [2021-11-17 13:11:58,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6656 to 6656. [2021-11-17 13:11:58,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6656 states, 3480 states have (on average 1.2051724137931035) internal successors, (4194), 3639 states have internal predecessors, (4194), 2862 states have call successors, (2862), 308 states have call predecessors, (2862), 311 states have return successors, (2879), 2789 states have call predecessors, (2879), 2862 states have call successors, (2879) [2021-11-17 13:11:58,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6656 states to 6656 states and 9935 transitions. [2021-11-17 13:11:58,768 INFO L78 Accepts]: Start accepts. Automaton has 6656 states and 9935 transitions. Word has length 353 [2021-11-17 13:11:58,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:11:58,768 INFO L470 AbstractCegarLoop]: Abstraction has 6656 states and 9935 transitions. [2021-11-17 13:11:58,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 4 states have internal predecessors, (172), 2 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-17 13:11:58,769 INFO L276 IsEmpty]: Start isEmpty. Operand 6656 states and 9935 transitions. [2021-11-17 13:11:58,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-11-17 13:11:58,781 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:11:58,782 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:11:58,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-17 13:11:58,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:11:58,999 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:11:59,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:11:59,000 INFO L85 PathProgramCache]: Analyzing trace with hash -524895818, now seen corresponding path program 1 times [2021-11-17 13:11:59,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:11:59,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702411169] [2021-11-17 13:11:59,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:11:59,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:11:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:11:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:11:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:11:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:11:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:11:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:11:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:11:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:11:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:11:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:11:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:11:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:11:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:11:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 13:11:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:11:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:11:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 13:11:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 13:11:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 13:11:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 13:11:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 13:11:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 13:11:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 13:11:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 13:11:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-17 13:11:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 13:11:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 13:11:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 13:11:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-17 13:11:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 13:11:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 13:11:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 13:11:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:11:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 13:11:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-17 13:11:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 13:11:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 13:11:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 13:11:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 13:11:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 13:11:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 13:11:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-17 13:11:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-17 13:11:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-17 13:11:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:11:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:11:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-17 13:11:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-11-17 13:11:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 13:11:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 13:11:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-17 13:11:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-17 13:11:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-17 13:11:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 13:11:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 13:11:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:59,647 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2021-11-17 13:11:59,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:11:59,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702411169] [2021-11-17 13:11:59,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702411169] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:11:59,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:11:59,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 13:11:59,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508148847] [2021-11-17 13:11:59,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:11:59,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 13:11:59,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:11:59,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 13:11:59,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:11:59,650 INFO L87 Difference]: Start difference. First operand 6656 states and 9935 transitions. Second operand has 10 states, 9 states have (on average 21.0) internal successors, (189), 4 states have internal predecessors, (189), 3 states have call successors, (61), 8 states have call predecessors, (61), 1 states have return successors, (54), 2 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-17 13:12:01,707 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:12:03,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:12:15,432 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:12:21,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:12:42,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:12:42,969 INFO L93 Difference]: Finished difference Result 15295 states and 23014 transitions. [2021-11-17 13:12:42,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-17 13:12:42,970 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 21.0) internal successors, (189), 4 states have internal predecessors, (189), 3 states have call successors, (61), 8 states have call predecessors, (61), 1 states have return successors, (54), 2 states have call predecessors, (54), 3 states have call successors, (54) Word has length 437 [2021-11-17 13:12:42,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:12:43,008 INFO L225 Difference]: With dead ends: 15295 [2021-11-17 13:12:43,008 INFO L226 Difference]: Without dead ends: 8658 [2021-11-17 13:12:43,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2021-11-17 13:12:43,039 INFO L933 BasicCegarLoop]: 4084 mSDtfsCounter, 10870 mSDsluCounter, 8423 mSDsCounter, 0 mSdLazyCounter, 12367 mSolverCounterSat, 19169 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10870 SdHoareTripleChecker+Valid, 12507 SdHoareTripleChecker+Invalid, 31539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 19169 IncrementalHoareTripleChecker+Valid, 12367 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.6s IncrementalHoareTripleChecker+Time [2021-11-17 13:12:43,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10870 Valid, 12507 Invalid, 31539 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [19169 Valid, 12367 Invalid, 3 Unknown, 0 Unchecked, 41.6s Time] [2021-11-17 13:12:43,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8658 states. [2021-11-17 13:12:43,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8658 to 6660. [2021-11-17 13:12:43,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6660 states, 3484 states have (on average 1.2049368541905856) internal successors, (4198), 3643 states have internal predecessors, (4198), 2862 states have call successors, (2862), 308 states have call predecessors, (2862), 311 states have return successors, (2879), 2789 states have call predecessors, (2879), 2862 states have call successors, (2879) [2021-11-17 13:12:43,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6660 states to 6660 states and 9939 transitions. [2021-11-17 13:12:43,723 INFO L78 Accepts]: Start accepts. Automaton has 6660 states and 9939 transitions. Word has length 437 [2021-11-17 13:12:43,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:12:43,724 INFO L470 AbstractCegarLoop]: Abstraction has 6660 states and 9939 transitions. [2021-11-17 13:12:43,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 21.0) internal successors, (189), 4 states have internal predecessors, (189), 3 states have call successors, (61), 8 states have call predecessors, (61), 1 states have return successors, (54), 2 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-17 13:12:43,724 INFO L276 IsEmpty]: Start isEmpty. Operand 6660 states and 9939 transitions. [2021-11-17 13:12:43,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2021-11-17 13:12:43,737 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:12:43,738 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:12:43,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-17 13:12:43,738 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:12:43,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:12:43,738 INFO L85 PathProgramCache]: Analyzing trace with hash -2117223930, now seen corresponding path program 1 times [2021-11-17 13:12:43,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:12:43,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191982562] [2021-11-17 13:12:43,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:12:43,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:12:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:43,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:12:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:43,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:12:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:43,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:12:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:43,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:12:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:43,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:12:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:43,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:12:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:43,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:12:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:43,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:12:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:43,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:12:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:43,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:12:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:43,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:12:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:43,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:12:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:12:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:43,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:12:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:43,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:12:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:12:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 13:12:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:12:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:12:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 13:12:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 13:12:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 13:12:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:12:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 13:12:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 13:12:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 13:12:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 13:12:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 13:12:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:12:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:12:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-17 13:12:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:12:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:12:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 13:12:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 13:12:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:12:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 13:12:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:12:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-17 13:12:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-17 13:12:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 13:12:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 13:12:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:12:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-11-17 13:12:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 13:12:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-17 13:12:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 13:12:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 13:12:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 13:12:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 13:12:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 13:12:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 13:12:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 13:12:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 13:12:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:12:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:12:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:12:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 13:12:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 13:12:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 13:12:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 13:12:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-11-17 13:12:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 13:12:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-11-17 13:12:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 13:12:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 13:12:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:44,374 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2021-11-17 13:12:44,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:12:44,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191982562] [2021-11-17 13:12:44,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191982562] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:12:44,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:12:44,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 13:12:44,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157111162] [2021-11-17 13:12:44,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:12:44,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 13:12:44,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:12:44,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 13:12:44,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-17 13:12:44,377 INFO L87 Difference]: Start difference. First operand 6660 states and 9939 transitions. Second operand has 9 states, 8 states have (on average 23.75) internal successors, (190), 3 states have internal predecessors, (190), 3 states have call successors, (61), 8 states have call predecessors, (61), 1 states have return successors, (54), 2 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-17 13:12:46,433 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:12:48,613 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:12:58,760 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:13:04,582 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:13:06,599 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:13:26,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:13:26,599 INFO L93 Difference]: Finished difference Result 15295 states and 23006 transitions. [2021-11-17 13:13:26,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-17 13:13:26,600 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 23.75) internal successors, (190), 3 states have internal predecessors, (190), 3 states have call successors, (61), 8 states have call predecessors, (61), 1 states have return successors, (54), 2 states have call predecessors, (54), 3 states have call successors, (54) Word has length 438 [2021-11-17 13:13:26,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:13:26,634 INFO L225 Difference]: With dead ends: 15295 [2021-11-17 13:13:26,634 INFO L226 Difference]: Without dead ends: 8654 [2021-11-17 13:13:26,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2021-11-17 13:13:26,662 INFO L933 BasicCegarLoop]: 4088 mSDtfsCounter, 10888 mSDsluCounter, 5923 mSDsCounter, 0 mSdLazyCounter, 9016 mSolverCounterSat, 19263 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10888 SdHoareTripleChecker+Valid, 10011 SdHoareTripleChecker+Invalid, 28283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19263 IncrementalHoareTripleChecker+Valid, 9016 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.6s IncrementalHoareTripleChecker+Time [2021-11-17 13:13:26,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10888 Valid, 10011 Invalid, 28283 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19263 Valid, 9016 Invalid, 4 Unknown, 0 Unchecked, 40.6s Time] [2021-11-17 13:13:26,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8654 states. [2021-11-17 13:13:27,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8654 to 6662. [2021-11-17 13:13:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6662 states, 3486 states have (on average 1.2048192771084338) internal successors, (4200), 3645 states have internal predecessors, (4200), 2862 states have call successors, (2862), 308 states have call predecessors, (2862), 311 states have return successors, (2879), 2789 states have call predecessors, (2879), 2862 states have call successors, (2879) [2021-11-17 13:13:27,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6662 states to 6662 states and 9941 transitions. [2021-11-17 13:13:27,364 INFO L78 Accepts]: Start accepts. Automaton has 6662 states and 9941 transitions. Word has length 438 [2021-11-17 13:13:27,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:13:27,365 INFO L470 AbstractCegarLoop]: Abstraction has 6662 states and 9941 transitions. [2021-11-17 13:13:27,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 23.75) internal successors, (190), 3 states have internal predecessors, (190), 3 states have call successors, (61), 8 states have call predecessors, (61), 1 states have return successors, (54), 2 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-17 13:13:27,365 INFO L276 IsEmpty]: Start isEmpty. Operand 6662 states and 9941 transitions. [2021-11-17 13:13:27,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2021-11-17 13:13:27,378 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:13:27,379 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:13:27,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-17 13:13:27,379 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:13:27,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:13:27,380 INFO L85 PathProgramCache]: Analyzing trace with hash 40390088, now seen corresponding path program 1 times [2021-11-17 13:13:27,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:13:27,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829845772] [2021-11-17 13:13:27,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:13:27,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:13:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:13:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:13:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:13:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:13:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:13:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:13:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:13:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:13:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:13:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:13:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:13:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:13:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:13:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:13:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:13:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:13:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 13:13:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:13:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:13:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 13:13:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 13:13:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 13:13:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:13:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 13:13:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 13:13:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 13:13:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 13:13:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 13:13:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:13:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:13:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-17 13:13:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:13:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:13:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 13:13:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 13:13:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:13:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 13:13:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:13:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-17 13:13:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-17 13:13:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 13:13:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 13:13:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:13:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-11-17 13:13:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 13:13:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-17 13:13:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 13:13:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 13:13:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 13:13:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 13:13:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 13:13:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 13:13:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 13:13:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 13:13:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:13:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:13:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:27,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:13:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:28,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 13:13:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:28,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 13:13:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:28,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 13:13:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:28,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 13:13:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:28,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-11-17 13:13:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:28,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 13:13:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:28,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-11-17 13:13:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:28,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 13:13:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:28,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 13:13:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:28,107 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2021-11-17 13:13:28,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:13:28,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829845772] [2021-11-17 13:13:28,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829845772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:13:28,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:13:28,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 13:13:28,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284958504] [2021-11-17 13:13:28,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:13:28,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 13:13:28,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:13:28,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 13:13:28,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-17 13:13:28,109 INFO L87 Difference]: Start difference. First operand 6662 states and 9941 transitions. Second operand has 9 states, 8 states have (on average 23.75) internal successors, (190), 3 states have internal predecessors, (190), 3 states have call successors, (61), 8 states have call predecessors, (61), 1 states have return successors, (54), 2 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-17 13:13:30,164 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:13:32,370 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:13:34,615 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:13:36,796 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:13:44,434 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:13:45,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:13:46,792 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:13:58,235 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:14:12,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:14:12,892 INFO L93 Difference]: Finished difference Result 15365 states and 23116 transitions. [2021-11-17 13:14:12,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-17 13:14:12,893 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 23.75) internal successors, (190), 3 states have internal predecessors, (190), 3 states have call successors, (61), 8 states have call predecessors, (61), 1 states have return successors, (54), 2 states have call predecessors, (54), 3 states have call successors, (54) Word has length 438 [2021-11-17 13:14:12,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:14:12,952 INFO L225 Difference]: With dead ends: 15365 [2021-11-17 13:14:12,953 INFO L226 Difference]: Without dead ends: 8722 [2021-11-17 13:14:12,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2021-11-17 13:14:12,980 INFO L933 BasicCegarLoop]: 4244 mSDtfsCounter, 9475 mSDsluCounter, 6649 mSDsCounter, 0 mSdLazyCounter, 10477 mSolverCounterSat, 16356 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9475 SdHoareTripleChecker+Valid, 10893 SdHoareTripleChecker+Invalid, 26836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16356 IncrementalHoareTripleChecker+Valid, 10477 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:14:12,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9475 Valid, 10893 Invalid, 26836 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16356 Valid, 10477 Invalid, 3 Unknown, 0 Unchecked, 43.1s Time] [2021-11-17 13:14:12,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8722 states. [2021-11-17 13:14:13,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8722 to 6664. [2021-11-17 13:14:13,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6664 states, 3488 states have (on average 1.2047018348623852) internal successors, (4202), 3647 states have internal predecessors, (4202), 2862 states have call successors, (2862), 308 states have call predecessors, (2862), 311 states have return successors, (2879), 2789 states have call predecessors, (2879), 2862 states have call successors, (2879) [2021-11-17 13:14:13,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6664 states to 6664 states and 9943 transitions. [2021-11-17 13:14:13,687 INFO L78 Accepts]: Start accepts. Automaton has 6664 states and 9943 transitions. Word has length 438 [2021-11-17 13:14:13,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:14:13,687 INFO L470 AbstractCegarLoop]: Abstraction has 6664 states and 9943 transitions. [2021-11-17 13:14:13,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 23.75) internal successors, (190), 3 states have internal predecessors, (190), 3 states have call successors, (61), 8 states have call predecessors, (61), 1 states have return successors, (54), 2 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-17 13:14:13,688 INFO L276 IsEmpty]: Start isEmpty. Operand 6664 states and 9943 transitions. [2021-11-17 13:14:13,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2021-11-17 13:14:13,705 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:14:13,705 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 3, 3, 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] [2021-11-17 13:14:13,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-17 13:14:13,705 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-17 13:14:13,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:14:13,706 INFO L85 PathProgramCache]: Analyzing trace with hash 542493547, now seen corresponding path program 1 times [2021-11-17 13:14:13,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:14:13,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916174139] [2021-11-17 13:14:13,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:14:13,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:14:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:14:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:14:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:14:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:14:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:14:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:14:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:14:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:14:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:14:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:14:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 13:14:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:14:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-17 13:14:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-17 13:14:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 13:14:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:14:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 13:14:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:14:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-17 13:14:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:14:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-17 13:14:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:14:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 13:14:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:14:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 13:14:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:14:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 13:14:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:14:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 13:14:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:14:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 13:14:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 13:14:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:14:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 13:14:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-17 13:14:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 13:14:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 13:14:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 13:14:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 13:14:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 13:14:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 13:14:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-11-17 13:14:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-17 13:14:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-17 13:14:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 13:14:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 13:14:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-17 13:14:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 13:14:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-17 13:14:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 13:14:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-11-17 13:14:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:14:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-11-17 13:14:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 13:14:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2362 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2356 trivial. 0 not checked. [2021-11-17 13:14:14,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:14:14,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916174139] [2021-11-17 13:14:14,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916174139] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:14:14,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:14:14,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 13:14:14,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774893632] [2021-11-17 13:14:14,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:14:14,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 13:14:14,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:14:14,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 13:14:14,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-17 13:14:14,484 INFO L87 Difference]: Start difference. First operand 6664 states and 9943 transitions. Second operand has 9 states, 9 states have (on average 20.77777777777778) internal successors, (187), 3 states have internal predecessors, (187), 3 states have call successors, (54), 8 states have call predecessors, (54), 1 states have return successors, (49), 2 states have call predecessors, (49), 3 states have call successors, (49) [2021-11-17 13:14:16,545 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:14:18,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:14:20,953 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15