./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--block--rsxx--rsxx.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.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 017a921c8c43c4a2a11daf67a2d7f6c852b9597686d5b2eb3df4edf6699bf55b --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 15:23:51,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 15:23:51,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 15:23:51,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 15:23:51,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 15:23:51,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 15:23:51,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 15:23:51,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 15:23:51,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 15:23:51,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 15:23:51,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 15:23:51,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 15:23:51,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 15:23:51,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 15:23:51,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 15:23:51,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 15:23:51,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 15:23:51,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 15:23:51,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 15:23:51,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 15:23:51,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 15:23:51,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 15:23:51,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 15:23:51,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 15:23:51,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 15:23:51,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 15:23:51,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 15:23:51,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 15:23:51,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 15:23:51,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 15:23:51,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 15:23:51,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 15:23:51,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 15:23:51,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 15:23:51,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 15:23:51,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 15:23:51,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 15:23:51,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 15:23:51,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 15:23:51,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 15:23:51,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 15:23:51,741 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 15:23:51,771 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 15:23:51,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 15:23:51,772 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 15:23:51,772 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 15:23:51,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 15:23:51,773 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 15:23:51,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 15:23:51,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 15:23:51,774 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 15:23:51,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 15:23:51,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 15:23:51,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 15:23:51,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 15:23:51,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 15:23:51,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 15:23:51,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 15:23:51,776 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 15:23:51,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 15:23:51,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 15:23:51,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 15:23:51,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 15:23:51,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 15:23:51,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 15:23:51,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 15:23:51,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 15:23:51,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 15:23:51,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 15:23:51,783 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 15:23:51,783 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 15:23:51,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 15:23:51,783 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 15:23:51,784 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 017a921c8c43c4a2a11daf67a2d7f6c852b9597686d5b2eb3df4edf6699bf55b [2021-12-18 15:23:51,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 15:23:52,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 15:23:52,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 15:23:52,026 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 15:23:52,027 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 15:23:52,028 INFO L432 ainManager$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--block--rsxx--rsxx.ko.cil.i [2021-12-18 15:23:52,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79e81dd77/68764381e26d469a8f3530c1915780c5/FLAG869637fc6 [2021-12-18 15:23:52,778 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 15:23:52,779 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i [2021-12-18 15:23:52,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79e81dd77/68764381e26d469a8f3530c1915780c5/FLAG869637fc6 [2021-12-18 15:23:52,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79e81dd77/68764381e26d469a8f3530c1915780c5 [2021-12-18 15:23:52,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 15:23:52,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 15:23:52,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 15:23:52,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 15:23:52,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 15:23:52,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:23:52" (1/1) ... [2021-12-18 15:23:52,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37fe78bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:23:52, skipping insertion in model container [2021-12-18 15:23:52,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:23:52" (1/1) ... [2021-12-18 15:23:52,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 15:23:52,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 15:23:57,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475253,475266] [2021-12-18 15:23:57,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475398,475411] [2021-12-18 15:23:57,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475544,475557] [2021-12-18 15:23:57,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475709,475722] [2021-12-18 15:23:57,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475867,475880] [2021-12-18 15:23:57,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476025,476038] [2021-12-18 15:23:57,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476183,476196] [2021-12-18 15:23:57,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476343,476356] [2021-12-18 15:23:57,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476502,476515] [2021-12-18 15:23:57,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476641,476654] [2021-12-18 15:23:57,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476783,476796] [2021-12-18 15:23:57,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476932,476945] [2021-12-18 15:23:57,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477071,477084] [2021-12-18 15:23:57,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477226,477239] [2021-12-18 15:23:57,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477386,477399] [2021-12-18 15:23:57,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477537,477550] [2021-12-18 15:23:57,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477688,477701] [2021-12-18 15:23:57,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477840,477853] [2021-12-18 15:23:57,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477989,478002] [2021-12-18 15:23:57,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478137,478150] [2021-12-18 15:23:57,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478294,478307] [2021-12-18 15:23:57,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478443,478456] [2021-12-18 15:23:57,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478599,478612] [2021-12-18 15:23:57,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478752,478765] [2021-12-18 15:23:57,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478898,478911] [2021-12-18 15:23:57,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479041,479054] [2021-12-18 15:23:57,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479193,479206] [2021-12-18 15:23:57,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479339,479352] [2021-12-18 15:23:57,033 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--block--rsxx--rsxx.ko.cil.i[479484,479497] [2021-12-18 15:23:57,033 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--block--rsxx--rsxx.ko.cil.i[479638,479651] [2021-12-18 15:23:57,033 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--block--rsxx--rsxx.ko.cil.i[479789,479802] [2021-12-18 15:23:57,033 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--block--rsxx--rsxx.ko.cil.i[479944,479957] [2021-12-18 15:23:57,033 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--block--rsxx--rsxx.ko.cil.i[480096,480109] [2021-12-18 15:23:57,034 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--block--rsxx--rsxx.ko.cil.i[480251,480264] [2021-12-18 15:23:57,034 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--block--rsxx--rsxx.ko.cil.i[480415,480428] [2021-12-18 15:23:57,034 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--block--rsxx--rsxx.ko.cil.i[480571,480584] [2021-12-18 15:23:57,035 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--block--rsxx--rsxx.ko.cil.i[480735,480748] [2021-12-18 15:23:57,035 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--block--rsxx--rsxx.ko.cil.i[480877,480890] [2021-12-18 15:23:57,035 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--block--rsxx--rsxx.ko.cil.i[481035,481048] [2021-12-18 15:23:57,036 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--block--rsxx--rsxx.ko.cil.i[481202,481215] [2021-12-18 15:23:57,036 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--block--rsxx--rsxx.ko.cil.i[481361,481374] [2021-12-18 15:23:57,036 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--block--rsxx--rsxx.ko.cil.i[481520,481533] [2021-12-18 15:23:57,037 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--block--rsxx--rsxx.ko.cil.i[481669,481682] [2021-12-18 15:23:57,037 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--block--rsxx--rsxx.ko.cil.i[481816,481829] [2021-12-18 15:23:57,037 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--block--rsxx--rsxx.ko.cil.i[481955,481968] [2021-12-18 15:23:57,038 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--block--rsxx--rsxx.ko.cil.i[482118,482131] [2021-12-18 15:23:57,038 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--block--rsxx--rsxx.ko.cil.i[482284,482297] [2021-12-18 15:23:57,038 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--block--rsxx--rsxx.ko.cil.i[482448,482461] [2021-12-18 15:23:57,039 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--block--rsxx--rsxx.ko.cil.i[482613,482626] [2021-12-18 15:23:57,039 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--block--rsxx--rsxx.ko.cil.i[482778,482791] [2021-12-18 15:23:57,039 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--block--rsxx--rsxx.ko.cil.i[482944,482957] [2021-12-18 15:23:57,039 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--block--rsxx--rsxx.ko.cil.i[483109,483122] [2021-12-18 15:23:57,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483276,483289] [2021-12-18 15:23:57,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483436,483449] [2021-12-18 15:23:57,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483598,483611] [2021-12-18 15:23:57,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483757,483770] [2021-12-18 15:23:57,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483903,483916] [2021-12-18 15:23:57,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484046,484059] [2021-12-18 15:23:57,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484190,484203] [2021-12-18 15:23:57,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484333,484346] [2021-12-18 15:23:57,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484477,484490] [2021-12-18 15:23:57,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484618,484631] [2021-12-18 15:23:57,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484756,484769] [2021-12-18 15:23:57,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484914,484927] [2021-12-18 15:23:57,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485073,485086] [2021-12-18 15:23:57,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485229,485242] [2021-12-18 15:23:57,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485378,485391] [2021-12-18 15:23:57,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485530,485543] [2021-12-18 15:23:57,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485681,485694] [2021-12-18 15:23:57,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485830,485843] [2021-12-18 15:23:57,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485982,485995] [2021-12-18 15:23:57,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486130,486143] [2021-12-18 15:23:57,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486283,486296] [2021-12-18 15:23:57,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486434,486447] [2021-12-18 15:23:57,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486584,486597] [2021-12-18 15:23:57,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486731,486744] [2021-12-18 15:23:57,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486882,486895] [2021-12-18 15:23:57,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487033,487046] [2021-12-18 15:23:57,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487181,487194] [2021-12-18 15:23:57,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487347,487360] [2021-12-18 15:23:57,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487516,487529] [2021-12-18 15:23:57,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487683,487696] [2021-12-18 15:23:57,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487851,487864] [2021-12-18 15:23:57,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[488001,488014] [2021-12-18 15:23:57,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[488148,488161] [2021-12-18 15:23:57,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[488309,488322] [2021-12-18 15:23:57,052 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--block--rsxx--rsxx.ko.cil.i[488479,488492] [2021-12-18 15:23:57,052 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--block--rsxx--rsxx.ko.cil.i[488641,488654] [2021-12-18 15:23:57,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 15:23:57,113 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 15:23:57,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475253,475266] [2021-12-18 15:23:57,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475398,475411] [2021-12-18 15:23:57,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475544,475557] [2021-12-18 15:23:57,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475709,475722] [2021-12-18 15:23:57,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475867,475880] [2021-12-18 15:23:57,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476025,476038] [2021-12-18 15:23:57,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476183,476196] [2021-12-18 15:23:57,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476343,476356] [2021-12-18 15:23:57,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476502,476515] [2021-12-18 15:23:57,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476641,476654] [2021-12-18 15:23:57,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476783,476796] [2021-12-18 15:23:57,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476932,476945] [2021-12-18 15:23:57,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477071,477084] [2021-12-18 15:23:57,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477226,477239] [2021-12-18 15:23:57,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477386,477399] [2021-12-18 15:23:57,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477537,477550] [2021-12-18 15:23:57,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477688,477701] [2021-12-18 15:23:57,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477840,477853] [2021-12-18 15:23:57,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477989,478002] [2021-12-18 15:23:57,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478137,478150] [2021-12-18 15:23:57,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478294,478307] [2021-12-18 15:23:57,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478443,478456] [2021-12-18 15:23:57,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478599,478612] [2021-12-18 15:23:57,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478752,478765] [2021-12-18 15:23:57,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478898,478911] [2021-12-18 15:23:57,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479041,479054] [2021-12-18 15:23:57,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479193,479206] [2021-12-18 15:23:57,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479339,479352] [2021-12-18 15:23:57,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479484,479497] [2021-12-18 15:23:57,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479638,479651] [2021-12-18 15:23:57,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479789,479802] [2021-12-18 15:23:57,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479944,479957] [2021-12-18 15:23:57,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[480096,480109] [2021-12-18 15:23:57,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[480251,480264] [2021-12-18 15:23:57,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[480415,480428] [2021-12-18 15:23:57,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[480571,480584] [2021-12-18 15:23:57,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[480735,480748] [2021-12-18 15:23:57,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[480877,480890] [2021-12-18 15:23:57,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481035,481048] [2021-12-18 15:23:57,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481202,481215] [2021-12-18 15:23:57,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481361,481374] [2021-12-18 15:23:57,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481520,481533] [2021-12-18 15:23:57,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481669,481682] [2021-12-18 15:23:57,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481816,481829] [2021-12-18 15:23:57,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481955,481968] [2021-12-18 15:23:57,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[482118,482131] [2021-12-18 15:23:57,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[482284,482297] [2021-12-18 15:23:57,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[482448,482461] [2021-12-18 15:23:57,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[482613,482626] [2021-12-18 15:23:57,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[482778,482791] [2021-12-18 15:23:57,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[482944,482957] [2021-12-18 15:23:57,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483109,483122] [2021-12-18 15:23:57,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483276,483289] [2021-12-18 15:23:57,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483436,483449] [2021-12-18 15:23:57,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483598,483611] [2021-12-18 15:23:57,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483757,483770] [2021-12-18 15:23:57,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483903,483916] [2021-12-18 15:23:57,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484046,484059] [2021-12-18 15:23:57,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484190,484203] [2021-12-18 15:23:57,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484333,484346] [2021-12-18 15:23:57,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484477,484490] [2021-12-18 15:23:57,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484618,484631] [2021-12-18 15:23:57,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484756,484769] [2021-12-18 15:23:57,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484914,484927] [2021-12-18 15:23:57,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485073,485086] [2021-12-18 15:23:57,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485229,485242] [2021-12-18 15:23:57,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485378,485391] [2021-12-18 15:23:57,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485530,485543] [2021-12-18 15:23:57,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485681,485694] [2021-12-18 15:23:57,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485830,485843] [2021-12-18 15:23:57,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485982,485995] [2021-12-18 15:23:57,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486130,486143] [2021-12-18 15:23:57,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486283,486296] [2021-12-18 15:23:57,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486434,486447] [2021-12-18 15:23:57,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486584,486597] [2021-12-18 15:23:57,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486731,486744] [2021-12-18 15:23:57,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486882,486895] [2021-12-18 15:23:57,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487033,487046] [2021-12-18 15:23:57,568 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--block--rsxx--rsxx.ko.cil.i[487181,487194] [2021-12-18 15:23:57,568 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--block--rsxx--rsxx.ko.cil.i[487347,487360] [2021-12-18 15:23:57,568 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--block--rsxx--rsxx.ko.cil.i[487516,487529] [2021-12-18 15:23:57,568 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--block--rsxx--rsxx.ko.cil.i[487683,487696] [2021-12-18 15:23:57,569 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--block--rsxx--rsxx.ko.cil.i[487851,487864] [2021-12-18 15:23:57,569 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--block--rsxx--rsxx.ko.cil.i[488001,488014] [2021-12-18 15:23:57,569 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--block--rsxx--rsxx.ko.cil.i[488148,488161] [2021-12-18 15:23:57,569 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--block--rsxx--rsxx.ko.cil.i[488309,488322] [2021-12-18 15:23:57,570 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--block--rsxx--rsxx.ko.cil.i[488479,488492] [2021-12-18 15:23:57,570 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--block--rsxx--rsxx.ko.cil.i[488641,488654] [2021-12-18 15:23:57,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 15:23:57,819 INFO L208 MainTranslator]: Completed translation [2021-12-18 15:23:57,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:23:57 WrapperNode [2021-12-18 15:23:57,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 15:23:57,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 15:23:57,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 15:23:57,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 15:23:57,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:23:57" (1/1) ... [2021-12-18 15:23:57,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:23:57" (1/1) ... [2021-12-18 15:23:58,083 INFO L137 Inliner]: procedures = 858, calls = 4033, calls flagged for inlining = 408, calls inlined = 286, statements flattened = 7206 [2021-12-18 15:23:58,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 15:23:58,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 15:23:58,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 15:23:58,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 15:23:58,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:23:57" (1/1) ... [2021-12-18 15:23:58,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:23:57" (1/1) ... [2021-12-18 15:23:58,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:23:57" (1/1) ... [2021-12-18 15:23:58,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:23:57" (1/1) ... [2021-12-18 15:23:58,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:23:57" (1/1) ... [2021-12-18 15:23:58,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:23:57" (1/1) ... [2021-12-18 15:23:58,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:23:57" (1/1) ... [2021-12-18 15:23:58,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 15:23:58,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 15:23:58,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 15:23:58,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 15:23:58,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:23:57" (1/1) ... [2021-12-18 15:23:58,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 15:23:58,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:23:58,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 15:23:58,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 15:23:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-18 15:23:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-18 15:23:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2021-12-18 15:23:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2021-12-18 15:23:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure __disable_intr [2021-12-18 15:23:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __disable_intr [2021-12-18 15:23:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 15:23:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 15:23:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 15:23:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 15:23:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cleanup_dma_queue [2021-12-18 15:23:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cleanup_dma_queue [2021-12-18 15:23:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 15:23:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 15:23:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2021-12-18 15:23:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2021-12-18 15:23:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-18 15:23:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-18 15:23:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dev_cleanup [2021-12-18 15:23:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dev_cleanup [2021-12-18 15:23:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cram_write [2021-12-18 15:23:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cram_write [2021-12-18 15:23:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 15:23:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 15:23:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure config_data_swab [2021-12-18 15:23:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure config_data_swab [2021-12-18 15:23:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2021-12-18 15:23:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2021-12-18 15:23:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_105 [2021-12-18 15:23:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_105 [2021-12-18 15:23:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_101 [2021-12-18 15:23:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_101 [2021-12-18 15:23:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_102 [2021-12-18 15:23:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_102 [2021-12-18 15:23:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_detach_dev [2021-12-18 15:23:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_detach_dev [2021-12-18 15:23:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-18 15:23:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-18 15:23:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 15:23:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 15:23:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-18 15:23:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-18 15:23:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 15:23:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 15:23:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_irq_lock_of_rsxx_cardinfo [2021-12-18 15:23:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_irq_lock_of_rsxx_cardinfo [2021-12-18 15:23:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 15:23:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 15:23:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_110 [2021-12-18 15:23:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_110 [2021-12-18 15:23:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 15:23:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 15:23:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 15:23:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 15:23:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 15:23:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 15:23:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 15:23:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-12-18 15:23:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-12-18 15:23:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 15:23:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 15:23:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 15:23:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 15:23:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-18 15:23:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-18 15:23:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 15:23:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 15:23:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2021-12-18 15:23:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2021-12-18 15:23:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 15:23:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-18 15:23:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-18 15:23:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-18 15:23:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-18 15:23:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 15:23:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2021-12-18 15:23:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2021-12-18 15:23:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 15:23:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 15:23:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 15:23:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-12-18 15:23:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-12-18 15:23:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-18 15:23:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-18 15:23:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 15:23:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 15:23:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-18 15:23:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-18 15:23:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-18 15:23:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-18 15:23:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure __issue_creg_rw [2021-12-18 15:23:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __issue_creg_rw [2021-12-18 15:23:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 15:23:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 15:23:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 15:23:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2021-12-18 15:23:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2021-12-18 15:23:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_dev_lock_of_rsxx_cardinfo [2021-12-18 15:23:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_dev_lock_of_rsxx_cardinfo [2021-12-18 15:23:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-18 15:23:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-18 15:23:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 15:23:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 15:23:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_getgeo [2021-12-18 15:23:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_getgeo [2021-12-18 15:23:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-12-18 15:23:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-12-18 15:23:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_complete_dma [2021-12-18 15:23:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_complete_dma [2021-12-18 15:23:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 15:23:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 15:23:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 15:23:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 15:23:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_eeh_failure [2021-12-18 15:23:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_eeh_failure [2021-12-18 15:23:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure card_shutdown [2021-12-18 15:23:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure card_shutdown [2021-12-18 15:23:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-18 15:23:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-18 15:23:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cram_read [2021-12-18 15:23:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cram_read [2021-12-18 15:23:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 15:23:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 15:23:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 15:23:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 15:23:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 15:23:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure creg_cmd_timed_out [2021-12-18 15:23:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_cmd_timed_out [2021-12-18 15:23:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 15:23:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 15:23:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 15:23:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_8_2 [2021-12-18 15:23:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_8_2 [2021-12-18 15:23:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure creg_kick_queue [2021-12-18 15:23:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_kick_queue [2021-12-18 15:23:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-18 15:23:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-18 15:23:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 15:23:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 15:23:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_cleanup [2021-12-18 15:23:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_cleanup [2021-12-18 15:23:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 15:23:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 15:23:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 15:23:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 15:23:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_100 [2021-12-18 15:23:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_100 [2021-12-18 15:23:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 15:23:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 15:23:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 15:23:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 15:23:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 15:23:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 15:23:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-18 15:23:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-18 15:23:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_shutdown [2021-12-18 15:23:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_shutdown [2021-12-18 15:23:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure issue_creg_rw [2021-12-18 15:23:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_creg_rw [2021-12-18 15:23:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_card_state_to_str [2021-12-18 15:23:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_card_state_to_str [2021-12-18 15:23:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_disable_ier [2021-12-18 15:23:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_disable_ier [2021-12-18 15:23:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-18 15:23:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-18 15:23:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 15:23:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 15:23:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 15:23:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2021-12-18 15:23:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2021-12-18 15:23:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_104 [2021-12-18 15:23:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_104 [2021-12-18 15:23:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_100 [2021-12-18 15:23:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_100 [2021-12-18 15:23:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-18 15:23:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-18 15:23:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_enable_ier_and_isr [2021-12-18 15:23:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_enable_ier_and_isr [2021-12-18 15:23:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-18 15:23:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-18 15:23:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_get_card_size8 [2021-12-18 15:23:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_get_card_size8 [2021-12-18 15:23:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-12-18 15:23:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-12-18 15:23:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-18 15:23:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-18 15:23:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_size [2021-12-18 15:23:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_size [2021-12-18 15:23:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_intr [2021-12-18 15:23:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_intr [2021-12-18 15:23:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-18 15:23:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-18 15:23:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_rsxx_dma_ctrl [2021-12-18 15:23:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_rsxx_dma_ctrl [2021-12-18 15:23:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2021-12-18 15:23:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2021-12-18 15:23:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_98 [2021-12-18 15:23:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_98 [2021-12-18 15:23:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 15:23:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 15:23:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_99 [2021-12-18 15:23:58,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_99 [2021-12-18 15:23:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 15:23:58,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 15:23:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 15:23:58,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 15:23:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 15:23:58,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 15:23:58,507 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_hw_buffers_init [2021-12-18 15:23:58,508 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_hw_buffers_init [2021-12-18 15:23:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-18 15:23:58,508 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-18 15:23:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure config_data_crc32 [2021-12-18 15:23:58,508 INFO L138 BoogieDeclarations]: Found implementation of procedure config_data_crc32 [2021-12-18 15:23:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_attr_pci_regs_open [2021-12-18 15:23:58,508 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_attr_pci_regs_open [2021-12-18 15:23:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 15:23:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 15:23:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_configure [2021-12-18 15:23:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_configure [2021-12-18 15:23:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 15:23:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 15:23:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure creg_queue_cmd [2021-12-18 15:23:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_queue_cmd [2021-12-18 15:23:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_free_dma [2021-12-18 15:23:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_free_dma [2021-12-18 15:23:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-18 15:23:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-18 15:23:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_cancel [2021-12-18 15:23:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_cancel [2021-12-18 15:23:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 15:23:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 15:23:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-12-18 15:23:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-12-18 15:23:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_get_card_state [2021-12-18 15:23:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_get_card_state [2021-12-18 15:23:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 15:23:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 15:23:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-12-18 15:23:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-12-18 15:23:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 15:23:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 15:23:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-18 15:23:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-18 15:23:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 15:23:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 15:23:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-18 15:23:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-18 15:23:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2021-12-18 15:23:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2021-12-18 15:23:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-12-18 15:23:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-12-18 15:23:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 15:23:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-18 15:23:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-18 15:23:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_issue_card_cmd [2021-12-18 15:23:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_issue_card_cmd [2021-12-18 15:23:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-18 15:23:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-18 15:23:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-18 15:23:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-18 15:23:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 15:23:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 15:23:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure CR_INTR_DMA [2021-12-18 15:23:58,514 INFO L138 BoogieDeclarations]: Found implementation of procedure CR_INTR_DMA [2021-12-18 15:23:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure push_tracker [2021-12-18 15:23:58,514 INFO L138 BoogieDeclarations]: Found implementation of procedure push_tracker [2021-12-18 15:23:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 15:23:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 15:23:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 15:23:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_probe [2021-12-18 15:23:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_probe [2021-12-18 15:23:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 15:23:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 15:23:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 15:23:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2021-12-18 15:23:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2021-12-18 15:23:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-18 15:23:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-18 15:23:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 15:23:58,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 15:23:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 15:23:58,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 15:23:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 15:23:58,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 15:23:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure CREG_DATA [2021-12-18 15:23:58,516 INFO L138 BoogieDeclarations]: Found implementation of procedure CREG_DATA [2021-12-18 15:23:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-18 15:23:58,516 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-18 15:23:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 15:23:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 15:23:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_99 [2021-12-18 15:23:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_99 [2021-12-18 15:23:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 15:23:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 15:23:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_creg_write [2021-12-18 15:23:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_creg_write [2021-12-18 15:23:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-12-18 15:23:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-12-18 15:23:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure dma_intr_coal_val [2021-12-18 15:23:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_intr_coal_val [2021-12-18 15:23:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 15:23:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 15:23:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_remove [2021-12-18 15:23:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_remove [2021-12-18 15:23:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_96 [2021-12-18 15:23:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_96 [2021-12-18 15:23:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-18 15:23:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-18 15:23:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure read_hw_log_done [2021-12-18 15:23:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure read_hw_log_done [2021-12-18 15:23:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 15:23:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 15:23:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_destroy [2021-12-18 15:23:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_destroy [2021-12-18 15:23:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 15:23:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 15:23:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_queue_reset [2021-12-18 15:23:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_queue_reset [2021-12-18 15:23:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_96___0 [2021-12-18 15:23:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_96___0 [2021-12-18 15:23:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-18 15:23:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-18 15:23:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-18 15:23:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-18 15:23:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 15:23:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 15:23:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 15:23:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_creg_read [2021-12-18 15:23:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_creg_read [2021-12-18 15:23:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 15:23:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 15:23:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-18 15:23:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-18 15:23:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-18 15:23:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-18 15:23:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2021-12-18 15:23:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2021-12-18 15:23:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_irq_lock_of_rsxx_cardinfo [2021-12-18 15:23:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_irq_lock_of_rsxx_cardinfo [2021-12-18 15:23:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 15:23:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 15:23:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-12-18 15:23:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-12-18 15:23:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure dma_engine_stalled [2021-12-18 15:23:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_engine_stalled [2021-12-18 15:23:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-18 15:23:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-18 15:23:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_reg_access [2021-12-18 15:23:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_reg_access [2021-12-18 15:23:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_attr_stats_open [2021-12-18 15:23:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_attr_stats_open [2021-12-18 15:23:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-18 15:23:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-18 15:23:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 15:23:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-18 15:23:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-18 15:23:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2021-12-18 15:23:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2021-12-18 15:23:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 15:23:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 15:23:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_dev_lock_of_rsxx_cardinfo [2021-12-18 15:23:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_dev_lock_of_rsxx_cardinfo [2021-12-18 15:23:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 15:23:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 15:23:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_97___0 [2021-12-18 15:23:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_97___0 [2021-12-18 15:23:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 15:23:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 15:23:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_109 [2021-12-18 15:23:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_109 [2021-12-18 15:23:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-18 15:23:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-18 15:23:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-12-18 15:23:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-12-18 15:23:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 15:23:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 15:23:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-18 15:23:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-18 15:23:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 15:23:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 15:23:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-18 15:23:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-18 15:23:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 15:23:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 15:23:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-18 15:23:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-18 15:23:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 15:23:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 15:23:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-18 15:23:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-12-18 15:23:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_blkdev_ioctl [2021-12-18 15:23:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_blkdev_ioctl [2021-12-18 15:23:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_disable_ier_and_isr [2021-12-18 15:23:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_disable_ier_and_isr [2021-12-18 15:23:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 15:23:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 15:23:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure get_tracker_dma [2021-12-18 15:23:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tracker_dma [2021-12-18 15:23:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-18 15:23:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-18 15:23:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_rsxx_dma_ctrl [2021-12-18 15:23:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_rsxx_dma_ctrl [2021-12-18 15:23:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_101 [2021-12-18 15:23:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_101 [2021-12-18 15:23:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_read_hw_log [2021-12-18 15:23:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_read_hw_log [2021-12-18 15:23:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 15:23:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 15:23:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-18 15:23:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-18 15:23:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 15:23:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 15:23:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-18 15:23:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-18 15:23:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 15:23:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 15:23:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2021-12-18 15:23:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2021-12-18 15:23:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 15:23:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 15:23:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 15:23:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 15:23:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 15:23:59,376 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 15:23:59,397 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 15:23:59,470 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 15:24:06,010 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 15:24:06,033 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 15:24:06,033 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-18 15:24:06,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:24:06 BoogieIcfgContainer [2021-12-18 15:24:06,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 15:24:06,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 15:24:06,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 15:24:06,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 15:24:06,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 03:23:52" (1/3) ... [2021-12-18 15:24:06,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e415730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:24:06, skipping insertion in model container [2021-12-18 15:24:06,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:23:57" (2/3) ... [2021-12-18 15:24:06,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e415730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:24:06, skipping insertion in model container [2021-12-18 15:24:06,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:24:06" (3/3) ... [2021-12-18 15:24:06,044 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i [2021-12-18 15:24:06,050 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 15:24:06,050 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2021-12-18 15:24:06,102 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 15:24:06,108 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 15:24:06,108 INFO L340 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2021-12-18 15:24:06,160 INFO L276 IsEmpty]: Start isEmpty. Operand has 2783 states, 1799 states have (on average 1.2506948304613674) internal successors, (2250), 1881 states have internal predecessors, (2250), 741 states have call successors, (741), 204 states have call predecessors, (741), 203 states have return successors, (735), 726 states have call predecessors, (735), 735 states have call successors, (735) [2021-12-18 15:24:06,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-18 15:24:06,168 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:24:06,169 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:24:06,170 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:24:06,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:24:06,175 INFO L85 PathProgramCache]: Analyzing trace with hash -994980631, now seen corresponding path program 1 times [2021-12-18 15:24:06,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:24:06,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393413398] [2021-12-18 15:24:06,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:24:06,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:24:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:06,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:24:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:06,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:24:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:06,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:24:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:06,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:24:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:06,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:24:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:06,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:24:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:06,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:24:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:06,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:24:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:06,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:24:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:06,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:24:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:24:06,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:24:06,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393413398] [2021-12-18 15:24:06,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393413398] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:24:06,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:24:06,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:24:06,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239647102] [2021-12-18 15:24:06,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:24:06,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:24:06,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:24:06,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:24:06,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:24:06,799 INFO L87 Difference]: Start difference. First operand has 2783 states, 1799 states have (on average 1.2506948304613674) internal successors, (2250), 1881 states have internal predecessors, (2250), 741 states have call successors, (741), 204 states have call predecessors, (741), 203 states have return successors, (735), 726 states have call predecessors, (735), 735 states have call successors, (735) Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 15:24:10,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:12,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:14,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:26,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:24:26,874 INFO L93 Difference]: Finished difference Result 6896 states and 10015 transitions. [2021-12-18 15:24:26,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 15:24:26,877 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2021-12-18 15:24:26,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:24:26,922 INFO L225 Difference]: With dead ends: 6896 [2021-12-18 15:24:26,923 INFO L226 Difference]: Without dead ends: 4127 [2021-12-18 15:24:26,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:24:26,945 INFO L933 BasicCegarLoop]: 4649 mSDtfsCounter, 5900 mSDsluCounter, 7114 mSDsCounter, 0 mSdLazyCounter, 8663 mSolverCounterSat, 4485 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6272 SdHoareTripleChecker+Valid, 11763 SdHoareTripleChecker+Invalid, 13151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4485 IncrementalHoareTripleChecker+Valid, 8663 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:24:26,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6272 Valid, 11763 Invalid, 13151 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4485 Valid, 8663 Invalid, 3 Unknown, 0 Unchecked, 19.3s Time] [2021-12-18 15:24:26,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4127 states. [2021-12-18 15:24:27,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4127 to 2766. [2021-12-18 15:24:27,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 1790 states have (on average 1.222905027932961) internal successors, (2189), 1868 states have internal predecessors, (2189), 735 states have call successors, (735), 203 states have call predecessors, (735), 202 states have return successors, (733), 724 states have call predecessors, (733), 733 states have call successors, (733) [2021-12-18 15:24:27,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 3657 transitions. [2021-12-18 15:24:27,146 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 3657 transitions. Word has length 68 [2021-12-18 15:24:27,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:24:27,147 INFO L470 AbstractCegarLoop]: Abstraction has 2766 states and 3657 transitions. [2021-12-18 15:24:27,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 15:24:27,147 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3657 transitions. [2021-12-18 15:24:27,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-18 15:24:27,155 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:24:27,155 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:24:27,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 15:24:27,155 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:24:27,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:24:27,156 INFO L85 PathProgramCache]: Analyzing trace with hash -97587353, now seen corresponding path program 1 times [2021-12-18 15:24:27,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:24:27,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097858358] [2021-12-18 15:24:27,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:24:27,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:24:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:27,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:24:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:27,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:24:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:27,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:24:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:27,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:24:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:27,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:24:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:27,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:24:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:27,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:24:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:27,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:24:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:27,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:24:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:27,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:24:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:27,429 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:24:27,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:24:27,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097858358] [2021-12-18 15:24:27,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097858358] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:24:27,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:24:27,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:24:27,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003340357] [2021-12-18 15:24:27,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:24:27,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:24:27,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:24:27,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:24:27,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:24:27,432 INFO L87 Difference]: Start difference. First operand 2766 states and 3657 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 15:24:30,731 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:32,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:41,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:24:41,928 INFO L93 Difference]: Finished difference Result 3007 states and 4044 transitions. [2021-12-18 15:24:41,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:24:41,929 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2021-12-18 15:24:41,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:24:41,958 INFO L225 Difference]: With dead ends: 3007 [2021-12-18 15:24:41,963 INFO L226 Difference]: Without dead ends: 3005 [2021-12-18 15:24:41,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:24:41,975 INFO L933 BasicCegarLoop]: 3137 mSDtfsCounter, 7427 mSDsluCounter, 2668 mSDsCounter, 0 mSdLazyCounter, 4877 mSolverCounterSat, 5132 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7651 SdHoareTripleChecker+Valid, 5805 SdHoareTripleChecker+Invalid, 10011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5132 IncrementalHoareTripleChecker+Valid, 4877 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:24:41,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7651 Valid, 5805 Invalid, 10011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5132 Valid, 4877 Invalid, 2 Unknown, 0 Unchecked, 14.1s Time] [2021-12-18 15:24:41,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3005 states. [2021-12-18 15:24:42,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3005 to 2764. [2021-12-18 15:24:42,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2764 states, 1789 states have (on average 1.2224706539966461) internal successors, (2187), 1866 states have internal predecessors, (2187), 735 states have call successors, (735), 203 states have call predecessors, (735), 202 states have return successors, (733), 724 states have call predecessors, (733), 733 states have call successors, (733) [2021-12-18 15:24:42,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 3655 transitions. [2021-12-18 15:24:42,066 INFO L78 Accepts]: Start accepts. Automaton has 2764 states and 3655 transitions. Word has length 68 [2021-12-18 15:24:42,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:24:42,066 INFO L470 AbstractCegarLoop]: Abstraction has 2764 states and 3655 transitions. [2021-12-18 15:24:42,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 15:24:42,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 3655 transitions. [2021-12-18 15:24:42,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-18 15:24:42,069 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:24:42,070 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:24:42,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 15:24:42,070 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:24:42,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:24:42,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1539045964, now seen corresponding path program 1 times [2021-12-18 15:24:42,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:24:42,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917812860] [2021-12-18 15:24:42,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:24:42,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:24:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:42,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:24:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:42,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:24:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:42,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:24:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:42,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:24:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:42,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:24:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:42,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:24:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:42,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:24:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:42,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:24:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:42,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:24:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:42,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:24:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:42,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:24:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:42,418 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:24:42,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:24:42,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917812860] [2021-12-18 15:24:42,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917812860] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:24:42,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:24:42,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:24:42,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184390697] [2021-12-18 15:24:42,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:24:42,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:24:42,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:24:42,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:24:42,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:24:42,421 INFO L87 Difference]: Start difference. First operand 2764 states and 3655 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-18 15:24:45,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:47,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:50,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:52,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:54,623 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:25:14,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:25:14,564 INFO L93 Difference]: Finished difference Result 5955 states and 8014 transitions. [2021-12-18 15:25:14,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 15:25:14,565 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74 [2021-12-18 15:25:14,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:25:14,592 INFO L225 Difference]: With dead ends: 5955 [2021-12-18 15:25:14,592 INFO L226 Difference]: Without dead ends: 5953 [2021-12-18 15:25:14,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2021-12-18 15:25:14,599 INFO L933 BasicCegarLoop]: 3829 mSDtfsCounter, 11216 mSDsluCounter, 4402 mSDsCounter, 0 mSdLazyCounter, 9907 mSolverCounterSat, 8515 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11431 SdHoareTripleChecker+Valid, 8231 SdHoareTripleChecker+Invalid, 18427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8515 IncrementalHoareTripleChecker+Valid, 9907 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:25:14,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11431 Valid, 8231 Invalid, 18427 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8515 Valid, 9907 Invalid, 5 Unknown, 0 Unchecked, 31.3s Time] [2021-12-18 15:25:14,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5953 states. [2021-12-18 15:25:14,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5953 to 5269. [2021-12-18 15:25:14,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5269 states, 3424 states have (on average 1.2234228971962617) internal successors, (4189), 3542 states have internal predecessors, (4189), 1418 states have call successors, (1418), 386 states have call predecessors, (1418), 389 states have return successors, (1430), 1396 states have call predecessors, (1430), 1416 states have call successors, (1430) [2021-12-18 15:25:14,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5269 states to 5269 states and 7037 transitions. [2021-12-18 15:25:14,781 INFO L78 Accepts]: Start accepts. Automaton has 5269 states and 7037 transitions. Word has length 74 [2021-12-18 15:25:14,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:25:14,783 INFO L470 AbstractCegarLoop]: Abstraction has 5269 states and 7037 transitions. [2021-12-18 15:25:14,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-18 15:25:14,783 INFO L276 IsEmpty]: Start isEmpty. Operand 5269 states and 7037 transitions. [2021-12-18 15:25:14,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-18 15:25:14,784 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:25:14,784 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:25:14,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 15:25:14,785 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:25:14,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:25:14,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1095071842, now seen corresponding path program 1 times [2021-12-18 15:25:14,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:25:14,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243355947] [2021-12-18 15:25:14,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:25:14,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:25:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:14,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:25:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:14,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:25:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:14,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:25:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:14,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:25:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:14,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:25:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:15,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:25:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:15,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:25:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:15,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:25:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:15,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:25:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:15,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:25:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:15,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:25:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:15,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:25:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:15,072 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:25:15,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:25:15,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243355947] [2021-12-18 15:25:15,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243355947] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:25:15,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:25:15,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:25:15,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897735787] [2021-12-18 15:25:15,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:25:15,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:25:15,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:25:15,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:25:15,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:25:15,075 INFO L87 Difference]: Start difference. First operand 5269 states and 7037 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 15:25:18,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:25:20,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:25:31,177 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:25:40,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:25:40,945 INFO L93 Difference]: Finished difference Result 11403 states and 15514 transitions. [2021-12-18 15:25:40,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 15:25:40,946 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2021-12-18 15:25:40,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:25:40,995 INFO L225 Difference]: With dead ends: 11403 [2021-12-18 15:25:40,995 INFO L226 Difference]: Without dead ends: 11401 [2021-12-18 15:25:41,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2021-12-18 15:25:41,001 INFO L933 BasicCegarLoop]: 3469 mSDtfsCounter, 12044 mSDsluCounter, 4280 mSDsCounter, 0 mSdLazyCounter, 9483 mSolverCounterSat, 8929 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12259 SdHoareTripleChecker+Valid, 7749 SdHoareTripleChecker+Invalid, 18415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8929 IncrementalHoareTripleChecker+Valid, 9483 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:25:41,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12259 Valid, 7749 Invalid, 18415 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8929 Valid, 9483 Invalid, 3 Unknown, 0 Unchecked, 25.0s Time] [2021-12-18 15:25:41,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11401 states. [2021-12-18 15:25:41,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11401 to 10256. [2021-12-18 15:25:41,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10256 states, 6684 states have (on average 1.2242669060442848) internal successors, (8183), 6884 states have internal predecessors, (8183), 2776 states have call successors, (2776), 750 states have call predecessors, (2776), 758 states have return successors, (2832), 2732 states have call predecessors, (2832), 2774 states have call successors, (2832) [2021-12-18 15:25:41,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10256 states to 10256 states and 13791 transitions. [2021-12-18 15:25:41,363 INFO L78 Accepts]: Start accepts. Automaton has 10256 states and 13791 transitions. Word has length 80 [2021-12-18 15:25:41,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:25:41,363 INFO L470 AbstractCegarLoop]: Abstraction has 10256 states and 13791 transitions. [2021-12-18 15:25:41,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 15:25:41,364 INFO L276 IsEmpty]: Start isEmpty. Operand 10256 states and 13791 transitions. [2021-12-18 15:25:41,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-18 15:25:41,365 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:25:41,365 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:25:41,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 15:25:41,365 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:25:41,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:25:41,366 INFO L85 PathProgramCache]: Analyzing trace with hash -252377095, now seen corresponding path program 1 times [2021-12-18 15:25:41,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:25:41,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863359458] [2021-12-18 15:25:41,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:25:41,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:25:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:41,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:25:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:41,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:25:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:41,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:25:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:41,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:25:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:41,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:25:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:41,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:25:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:41,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:25:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:41,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:25:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:41,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:25:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:41,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:25:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:41,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:25:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:41,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:25:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:41,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:25:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:41,592 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:25:41,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:25:41,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863359458] [2021-12-18 15:25:41,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863359458] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:25:41,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:25:41,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:25:41,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592751777] [2021-12-18 15:25:41,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:25:41,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:25:41,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:25:41,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:25:41,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:25:41,594 INFO L87 Difference]: Start difference. First operand 10256 states and 13791 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 15:25:45,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:25:47,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:25:57,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:25:57,166 INFO L93 Difference]: Finished difference Result 11189 states and 15295 transitions. [2021-12-18 15:25:57,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:25:57,166 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 86 [2021-12-18 15:25:57,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:25:57,252 INFO L225 Difference]: With dead ends: 11189 [2021-12-18 15:25:57,252 INFO L226 Difference]: Without dead ends: 11187 [2021-12-18 15:25:57,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:25:57,260 INFO L933 BasicCegarLoop]: 3141 mSDtfsCounter, 7407 mSDsluCounter, 2671 mSDsCounter, 0 mSdLazyCounter, 4880 mSolverCounterSat, 5131 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7627 SdHoareTripleChecker+Valid, 5812 SdHoareTripleChecker+Invalid, 10013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5131 IncrementalHoareTripleChecker+Valid, 4880 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:25:57,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7627 Valid, 5812 Invalid, 10013 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5131 Valid, 4880 Invalid, 2 Unknown, 0 Unchecked, 15.0s Time] [2021-12-18 15:25:57,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11187 states. [2021-12-18 15:25:57,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11187 to 10254. [2021-12-18 15:25:57,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10254 states, 6683 states have (on average 1.2241508304653599) internal successors, (8181), 6882 states have internal predecessors, (8181), 2776 states have call successors, (2776), 750 states have call predecessors, (2776), 758 states have return successors, (2832), 2732 states have call predecessors, (2832), 2774 states have call successors, (2832) [2021-12-18 15:25:57,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10254 states to 10254 states and 13789 transitions. [2021-12-18 15:25:57,672 INFO L78 Accepts]: Start accepts. Automaton has 10254 states and 13789 transitions. Word has length 86 [2021-12-18 15:25:57,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:25:57,673 INFO L470 AbstractCegarLoop]: Abstraction has 10254 states and 13789 transitions. [2021-12-18 15:25:57,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 15:25:57,673 INFO L276 IsEmpty]: Start isEmpty. Operand 10254 states and 13789 transitions. [2021-12-18 15:25:57,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-12-18 15:25:57,677 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:25:57,677 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:25:57,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 15:25:57,678 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:25:57,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:25:57,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1700384471, now seen corresponding path program 1 times [2021-12-18 15:25:57,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:25:57,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576865367] [2021-12-18 15:25:57,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:25:57,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:25:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:57,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:25:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:57,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:25:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:57,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:25:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:57,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:25:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:57,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:25:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:57,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:25:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:57,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:25:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:57,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:25:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:57,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:25:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:57,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:25:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:57,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:25:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:57,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:25:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:57,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:25:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:57,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 15:25:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:57,883 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:25:57,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:25:57,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576865367] [2021-12-18 15:25:57,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576865367] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:25:57,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:25:57,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:25:57,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648973714] [2021-12-18 15:25:57,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:25:57,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:25:57,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:25:57,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:25:57,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:25:57,885 INFO L87 Difference]: Start difference. First operand 10254 states and 13789 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 15:26:01,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:03,447 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:13,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:26:13,691 INFO L93 Difference]: Finished difference Result 11187 states and 15293 transitions. [2021-12-18 15:26:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:26:13,691 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92 [2021-12-18 15:26:13,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:26:13,731 INFO L225 Difference]: With dead ends: 11187 [2021-12-18 15:26:13,731 INFO L226 Difference]: Without dead ends: 11185 [2021-12-18 15:26:13,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:26:13,741 INFO L933 BasicCegarLoop]: 3132 mSDtfsCounter, 7411 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 4863 mSolverCounterSat, 5137 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7633 SdHoareTripleChecker+Valid, 5797 SdHoareTripleChecker+Invalid, 10002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5137 IncrementalHoareTripleChecker+Valid, 4863 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:26:13,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7633 Valid, 5797 Invalid, 10002 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5137 Valid, 4863 Invalid, 2 Unknown, 0 Unchecked, 15.1s Time] [2021-12-18 15:26:13,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11185 states. [2021-12-18 15:26:14,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11185 to 10252. [2021-12-18 15:26:14,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10252 states, 6682 states have (on average 1.2240347201436697) internal successors, (8179), 6880 states have internal predecessors, (8179), 2776 states have call successors, (2776), 750 states have call predecessors, (2776), 758 states have return successors, (2832), 2732 states have call predecessors, (2832), 2774 states have call successors, (2832) [2021-12-18 15:26:14,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10252 states to 10252 states and 13787 transitions. [2021-12-18 15:26:14,106 INFO L78 Accepts]: Start accepts. Automaton has 10252 states and 13787 transitions. Word has length 92 [2021-12-18 15:26:14,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:26:14,107 INFO L470 AbstractCegarLoop]: Abstraction has 10252 states and 13787 transitions. [2021-12-18 15:26:14,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 15:26:14,108 INFO L276 IsEmpty]: Start isEmpty. Operand 10252 states and 13787 transitions. [2021-12-18 15:26:14,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-12-18 15:26:14,109 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:26:14,109 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:26:14,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 15:26:14,109 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:26:14,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:26:14,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1247974603, now seen corresponding path program 1 times [2021-12-18 15:26:14,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:26:14,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004958124] [2021-12-18 15:26:14,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:26:14,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:26:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:14,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:26:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:14,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:26:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:14,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:26:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:26:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:14,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:26:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:14,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:26:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:14,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:26:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:14,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:26:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:14,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:26:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:14,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:26:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:14,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:26:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:14,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:26:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:14,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:26:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:14,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 15:26:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:14,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 15:26:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:14,371 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:26:14,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:26:14,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004958124] [2021-12-18 15:26:14,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004958124] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:26:14,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:26:14,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:26:14,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618931503] [2021-12-18 15:26:14,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:26:14,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:26:14,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:26:14,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:26:14,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:26:14,373 INFO L87 Difference]: Start difference. First operand 10252 states and 13787 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 15:26:17,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:19,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:30,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:26:30,330 INFO L93 Difference]: Finished difference Result 11185 states and 15291 transitions. [2021-12-18 15:26:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:26:30,331 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 5 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 98 [2021-12-18 15:26:30,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:26:30,370 INFO L225 Difference]: With dead ends: 11185 [2021-12-18 15:26:30,370 INFO L226 Difference]: Without dead ends: 11183 [2021-12-18 15:26:30,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:26:30,379 INFO L933 BasicCegarLoop]: 3132 mSDtfsCounter, 7397 mSDsluCounter, 2666 mSDsCounter, 0 mSdLazyCounter, 4867 mSolverCounterSat, 5138 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7617 SdHoareTripleChecker+Valid, 5798 SdHoareTripleChecker+Invalid, 10007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5138 IncrementalHoareTripleChecker+Valid, 4867 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:26:30,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7617 Valid, 5798 Invalid, 10007 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5138 Valid, 4867 Invalid, 2 Unknown, 0 Unchecked, 15.3s Time] [2021-12-18 15:26:30,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11183 states. [2021-12-18 15:26:30,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11183 to 10250. [2021-12-18 15:26:30,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10250 states, 6681 states have (on average 1.2239185750636132) internal successors, (8177), 6878 states have internal predecessors, (8177), 2776 states have call successors, (2776), 750 states have call predecessors, (2776), 758 states have return successors, (2832), 2732 states have call predecessors, (2832), 2774 states have call successors, (2832) [2021-12-18 15:26:30,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10250 states to 10250 states and 13785 transitions. [2021-12-18 15:26:30,816 INFO L78 Accepts]: Start accepts. Automaton has 10250 states and 13785 transitions. Word has length 98 [2021-12-18 15:26:30,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:26:30,816 INFO L470 AbstractCegarLoop]: Abstraction has 10250 states and 13785 transitions. [2021-12-18 15:26:30,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 15:26:30,817 INFO L276 IsEmpty]: Start isEmpty. Operand 10250 states and 13785 transitions. [2021-12-18 15:26:30,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-12-18 15:26:30,818 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:26:30,818 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:26:30,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 15:26:30,818 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:26:30,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:26:30,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1847478073, now seen corresponding path program 1 times [2021-12-18 15:26:30,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:26:30,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165406521] [2021-12-18 15:26:30,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:26:30,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:26:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:30,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:26:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:30,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:26:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:30,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:26:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:30,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:26:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:30,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:26:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:30,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:26:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:30,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:26:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:30,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:26:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:30,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:26:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:30,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:26:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:30,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:26:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:31,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:26:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:31,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:26:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:31,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 15:26:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:31,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 15:26:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:31,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 15:26:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:31,031 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:26:31,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:26:31,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165406521] [2021-12-18 15:26:31,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165406521] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:26:31,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:26:31,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:26:31,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626617146] [2021-12-18 15:26:31,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:26:31,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:26:31,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:26:31,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:26:31,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:26:31,033 INFO L87 Difference]: Start difference. First operand 10250 states and 13785 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 15:26:34,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:36,465 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:46,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:26:46,104 INFO L93 Difference]: Finished difference Result 11183 states and 15289 transitions. [2021-12-18 15:26:46,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:26:46,104 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 5 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 104 [2021-12-18 15:26:46,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:26:46,143 INFO L225 Difference]: With dead ends: 11183 [2021-12-18 15:26:46,143 INFO L226 Difference]: Without dead ends: 11181 [2021-12-18 15:26:46,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:26:46,152 INFO L933 BasicCegarLoop]: 3129 mSDtfsCounter, 7389 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 4868 mSolverCounterSat, 5139 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7608 SdHoareTripleChecker+Valid, 5794 SdHoareTripleChecker+Invalid, 10009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5139 IncrementalHoareTripleChecker+Valid, 4868 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:26:46,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7608 Valid, 5794 Invalid, 10009 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5139 Valid, 4868 Invalid, 2 Unknown, 0 Unchecked, 14.5s Time] [2021-12-18 15:26:46,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11181 states. [2021-12-18 15:26:46,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11181 to 10248. [2021-12-18 15:26:46,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10248 states, 6680 states have (on average 1.223802395209581) internal successors, (8175), 6876 states have internal predecessors, (8175), 2776 states have call successors, (2776), 750 states have call predecessors, (2776), 758 states have return successors, (2832), 2732 states have call predecessors, (2832), 2774 states have call successors, (2832) [2021-12-18 15:26:46,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10248 states to 10248 states and 13783 transitions. [2021-12-18 15:26:46,595 INFO L78 Accepts]: Start accepts. Automaton has 10248 states and 13783 transitions. Word has length 104 [2021-12-18 15:26:46,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:26:46,596 INFO L470 AbstractCegarLoop]: Abstraction has 10248 states and 13783 transitions. [2021-12-18 15:26:46,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 15:26:46,596 INFO L276 IsEmpty]: Start isEmpty. Operand 10248 states and 13783 transitions. [2021-12-18 15:26:46,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-12-18 15:26:46,598 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:26:46,598 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:26:46,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 15:26:46,598 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:26:46,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:26:46,599 INFO L85 PathProgramCache]: Analyzing trace with hash 554127251, now seen corresponding path program 1 times [2021-12-18 15:26:46,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:26:46,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316566099] [2021-12-18 15:26:46,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:26:46,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:26:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:46,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:26:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:46,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:26:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:46,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:26:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:46,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:26:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:46,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:26:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:46,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:26:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:46,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:26:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:46,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:26:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:46,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:26:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:46,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:26:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:46,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:26:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:46,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:26:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:46,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:26:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:46,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 15:26:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:46,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 15:26:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:46,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 15:26:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:46,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 15:26:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:46,848 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:26:46,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:26:46,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316566099] [2021-12-18 15:26:46,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316566099] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:26:46,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:26:46,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:26:46,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764456567] [2021-12-18 15:26:46,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:26:46,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:26:46,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:26:46,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:26:46,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:26:46,851 INFO L87 Difference]: Start difference. First operand 10248 states and 13783 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 15:26:50,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:52,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:01,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:27:01,960 INFO L93 Difference]: Finished difference Result 11181 states and 15287 transitions. [2021-12-18 15:27:01,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:27:01,960 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 5 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 110 [2021-12-18 15:27:01,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:27:02,003 INFO L225 Difference]: With dead ends: 11181 [2021-12-18 15:27:02,004 INFO L226 Difference]: Without dead ends: 11179 [2021-12-18 15:27:02,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:27:02,012 INFO L933 BasicCegarLoop]: 3130 mSDtfsCounter, 7388 mSDsluCounter, 2670 mSDsCounter, 0 mSdLazyCounter, 4862 mSolverCounterSat, 5127 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7605 SdHoareTripleChecker+Valid, 5800 SdHoareTripleChecker+Invalid, 9991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5127 IncrementalHoareTripleChecker+Valid, 4862 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:27:02,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7605 Valid, 5800 Invalid, 9991 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5127 Valid, 4862 Invalid, 2 Unknown, 0 Unchecked, 14.5s Time] [2021-12-18 15:27:02,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11179 states. [2021-12-18 15:27:02,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11179 to 10246. [2021-12-18 15:27:02,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10246 states, 6679 states have (on average 1.223686180565953) internal successors, (8173), 6874 states have internal predecessors, (8173), 2776 states have call successors, (2776), 750 states have call predecessors, (2776), 758 states have return successors, (2832), 2732 states have call predecessors, (2832), 2774 states have call successors, (2832) [2021-12-18 15:27:02,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10246 states to 10246 states and 13781 transitions. [2021-12-18 15:27:02,420 INFO L78 Accepts]: Start accepts. Automaton has 10246 states and 13781 transitions. Word has length 110 [2021-12-18 15:27:02,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:27:02,420 INFO L470 AbstractCegarLoop]: Abstraction has 10246 states and 13781 transitions. [2021-12-18 15:27:02,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 15:27:02,421 INFO L276 IsEmpty]: Start isEmpty. Operand 10246 states and 13781 transitions. [2021-12-18 15:27:02,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-18 15:27:02,423 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:27:02,423 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:27:02,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 15:27:02,423 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:27:02,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:27:02,424 INFO L85 PathProgramCache]: Analyzing trace with hash -59449034, now seen corresponding path program 1 times [2021-12-18 15:27:02,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:27:02,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235172335] [2021-12-18 15:27:02,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:27:02,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:27:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:02,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:27:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:27:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:02,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:27:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:02,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:27:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:02,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:27:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:02,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:27:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:02,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:27:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:02,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:27:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:02,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:27:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:02,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:27:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:02,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:27:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:02,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:27:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:02,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:27:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:02,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 15:27:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:02,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 15:27:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:02,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 15:27:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 15:27:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:27:02,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:27:02,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235172335] [2021-12-18 15:27:02,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235172335] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:27:02,685 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:27:02,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:27:02,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370818118] [2021-12-18 15:27:02,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:27:02,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:27:02,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:27:02,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:27:02,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:27:02,686 INFO L87 Difference]: Start difference. First operand 10246 states and 13781 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 15:27:06,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:08,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:19,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:27:19,403 INFO L93 Difference]: Finished difference Result 11179 states and 15285 transitions. [2021-12-18 15:27:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:27:19,404 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 112 [2021-12-18 15:27:19,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:27:19,436 INFO L225 Difference]: With dead ends: 11179 [2021-12-18 15:27:19,436 INFO L226 Difference]: Without dead ends: 11177 [2021-12-18 15:27:19,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:27:19,443 INFO L933 BasicCegarLoop]: 3128 mSDtfsCounter, 7368 mSDsluCounter, 2668 mSDsCounter, 0 mSdLazyCounter, 4873 mSolverCounterSat, 5129 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7585 SdHoareTripleChecker+Valid, 5796 SdHoareTripleChecker+Invalid, 10004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5129 IncrementalHoareTripleChecker+Valid, 4873 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:27:19,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7585 Valid, 5796 Invalid, 10004 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5129 Valid, 4873 Invalid, 2 Unknown, 0 Unchecked, 16.0s Time] [2021-12-18 15:27:19,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11177 states. [2021-12-18 15:27:19,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11177 to 10244. [2021-12-18 15:27:19,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10244 states, 6678 states have (on average 1.2235699311171009) internal successors, (8171), 6872 states have internal predecessors, (8171), 2776 states have call successors, (2776), 750 states have call predecessors, (2776), 758 states have return successors, (2832), 2732 states have call predecessors, (2832), 2774 states have call successors, (2832) [2021-12-18 15:27:19,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10244 states to 10244 states and 13779 transitions. [2021-12-18 15:27:19,837 INFO L78 Accepts]: Start accepts. Automaton has 10244 states and 13779 transitions. Word has length 112 [2021-12-18 15:27:19,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:27:19,838 INFO L470 AbstractCegarLoop]: Abstraction has 10244 states and 13779 transitions. [2021-12-18 15:27:19,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 15:27:19,838 INFO L276 IsEmpty]: Start isEmpty. Operand 10244 states and 13779 transitions. [2021-12-18 15:27:19,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-18 15:27:19,839 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:27:19,839 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:27:19,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 15:27:19,840 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:27:19,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:27:19,840 INFO L85 PathProgramCache]: Analyzing trace with hash -917700322, now seen corresponding path program 1 times [2021-12-18 15:27:19,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:27:19,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557665432] [2021-12-18 15:27:19,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:27:19,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:27:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:19,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:27:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:19,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:27:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:19,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:27:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:19,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:27:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:19,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:27:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:19,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:27:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:19,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:27:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:19,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:27:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:19,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:27:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:20,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:27:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:20,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:27:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:20,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:27:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:20,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:27:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:20,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 15:27:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:20,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 15:27:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:20,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 15:27:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:20,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 15:27:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:20,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 15:27:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:20,054 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:27:20,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:27:20,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557665432] [2021-12-18 15:27:20,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557665432] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:27:20,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:27:20,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:27:20,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607431962] [2021-12-18 15:27:20,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:27:20,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:27:20,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:27:20,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:27:20,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:27:20,057 INFO L87 Difference]: Start difference. First operand 10244 states and 13779 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 15:27:23,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:25,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:35,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:27:35,938 INFO L93 Difference]: Finished difference Result 11177 states and 15283 transitions. [2021-12-18 15:27:35,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:27:35,939 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (19), 5 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 118 [2021-12-18 15:27:35,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:27:35,976 INFO L225 Difference]: With dead ends: 11177 [2021-12-18 15:27:35,976 INFO L226 Difference]: Without dead ends: 11175 [2021-12-18 15:27:35,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:27:35,987 INFO L933 BasicCegarLoop]: 3127 mSDtfsCounter, 7359 mSDsluCounter, 2668 mSDsCounter, 0 mSdLazyCounter, 4857 mSolverCounterSat, 5144 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7575 SdHoareTripleChecker+Valid, 5795 SdHoareTripleChecker+Invalid, 10003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5144 IncrementalHoareTripleChecker+Valid, 4857 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:27:35,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7575 Valid, 5795 Invalid, 10003 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5144 Valid, 4857 Invalid, 2 Unknown, 0 Unchecked, 15.2s Time] [2021-12-18 15:27:35,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11175 states. [2021-12-18 15:27:36,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11175 to 10242. [2021-12-18 15:27:36,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10242 states, 6677 states have (on average 1.2234536468473864) internal successors, (8169), 6870 states have internal predecessors, (8169), 2776 states have call successors, (2776), 750 states have call predecessors, (2776), 758 states have return successors, (2832), 2732 states have call predecessors, (2832), 2774 states have call successors, (2832) [2021-12-18 15:27:36,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10242 states to 10242 states and 13777 transitions. [2021-12-18 15:27:36,521 INFO L78 Accepts]: Start accepts. Automaton has 10242 states and 13777 transitions. Word has length 118 [2021-12-18 15:27:36,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:27:36,524 INFO L470 AbstractCegarLoop]: Abstraction has 10242 states and 13777 transitions. [2021-12-18 15:27:36,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 15:27:36,524 INFO L276 IsEmpty]: Start isEmpty. Operand 10242 states and 13777 transitions. [2021-12-18 15:27:36,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-18 15:27:36,526 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:27:36,526 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:27:36,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 15:27:36,526 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:27:36,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:27:36,527 INFO L85 PathProgramCache]: Analyzing trace with hash 949892871, now seen corresponding path program 1 times [2021-12-18 15:27:36,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:27:36,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447693833] [2021-12-18 15:27:36,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:27:36,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:27:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:27:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:27:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:27:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:27:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:27:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:27:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:27:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:27:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:27:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:27:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:27:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:27:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:27:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 15:27:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 15:27:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 15:27:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 15:27:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 15:27:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:27:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:36,826 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:27:36,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:27:36,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447693833] [2021-12-18 15:27:36,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447693833] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:27:36,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:27:36,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:27:36,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472945962] [2021-12-18 15:27:36,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:27:36,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:27:36,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:27:36,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:27:36,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:27:36,829 INFO L87 Difference]: Start difference. First operand 10242 states and 13777 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 15:27:40,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:42,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:53,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:27:53,333 INFO L93 Difference]: Finished difference Result 11175 states and 15281 transitions. [2021-12-18 15:27:53,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:27:53,334 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (20), 5 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 124 [2021-12-18 15:27:53,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:27:53,372 INFO L225 Difference]: With dead ends: 11175 [2021-12-18 15:27:53,372 INFO L226 Difference]: Without dead ends: 11173 [2021-12-18 15:27:53,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:27:53,381 INFO L933 BasicCegarLoop]: 3121 mSDtfsCounter, 7366 mSDsluCounter, 2668 mSDsCounter, 0 mSdLazyCounter, 4841 mSolverCounterSat, 5145 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7582 SdHoareTripleChecker+Valid, 5789 SdHoareTripleChecker+Invalid, 9988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5145 IncrementalHoareTripleChecker+Valid, 4841 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:27:53,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7582 Valid, 5789 Invalid, 9988 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5145 Valid, 4841 Invalid, 2 Unknown, 0 Unchecked, 15.8s Time] [2021-12-18 15:27:53,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11173 states. [2021-12-18 15:27:53,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11173 to 10240. [2021-12-18 15:27:53,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10240 states, 6676 states have (on average 1.2233373277411623) internal successors, (8167), 6868 states have internal predecessors, (8167), 2776 states have call successors, (2776), 750 states have call predecessors, (2776), 758 states have return successors, (2832), 2732 states have call predecessors, (2832), 2774 states have call successors, (2832) [2021-12-18 15:27:53,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10240 states to 10240 states and 13775 transitions. [2021-12-18 15:27:53,850 INFO L78 Accepts]: Start accepts. Automaton has 10240 states and 13775 transitions. Word has length 124 [2021-12-18 15:27:53,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:27:53,851 INFO L470 AbstractCegarLoop]: Abstraction has 10240 states and 13775 transitions. [2021-12-18 15:27:53,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 15:27:53,851 INFO L276 IsEmpty]: Start isEmpty. Operand 10240 states and 13775 transitions. [2021-12-18 15:27:53,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-18 15:27:53,853 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:27:53,853 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:27:53,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 15:27:53,853 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:27:53,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:27:53,855 INFO L85 PathProgramCache]: Analyzing trace with hash -499444293, now seen corresponding path program 1 times [2021-12-18 15:27:53,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:27:53,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032387309] [2021-12-18 15:27:53,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:27:53,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:27:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:53,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:27:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:27:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:27:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:27:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:27:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:27:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:27:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:27:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:27:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:27:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:27:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:27:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:27:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 15:27:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 15:27:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 15:27:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 15:27:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 15:27:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:27:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 15:27:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:54,136 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:27:54,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:27:54,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032387309] [2021-12-18 15:27:54,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032387309] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:27:54,136 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:27:54,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:27:54,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521850562] [2021-12-18 15:27:54,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:27:54,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:27:54,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:27:54,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:27:54,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:27:54,138 INFO L87 Difference]: Start difference. First operand 10240 states and 13775 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 15:27:57,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:59,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:10,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:28:10,385 INFO L93 Difference]: Finished difference Result 11173 states and 15279 transitions. [2021-12-18 15:28:10,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:28:10,386 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (21), 5 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 130 [2021-12-18 15:28:10,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:28:10,422 INFO L225 Difference]: With dead ends: 11173 [2021-12-18 15:28:10,422 INFO L226 Difference]: Without dead ends: 11171 [2021-12-18 15:28:10,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:28:10,431 INFO L933 BasicCegarLoop]: 3125 mSDtfsCounter, 7346 mSDsluCounter, 2672 mSDsCounter, 0 mSdLazyCounter, 4865 mSolverCounterSat, 5124 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7559 SdHoareTripleChecker+Valid, 5797 SdHoareTripleChecker+Invalid, 9991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5124 IncrementalHoareTripleChecker+Valid, 4865 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:28:10,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7559 Valid, 5797 Invalid, 9991 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5124 Valid, 4865 Invalid, 2 Unknown, 0 Unchecked, 15.5s Time] [2021-12-18 15:28:10,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11171 states. [2021-12-18 15:28:10,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11171 to 10238. [2021-12-18 15:28:10,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10238 states, 6675 states have (on average 1.2232209737827715) internal successors, (8165), 6866 states have internal predecessors, (8165), 2776 states have call successors, (2776), 750 states have call predecessors, (2776), 758 states have return successors, (2832), 2732 states have call predecessors, (2832), 2774 states have call successors, (2832) [2021-12-18 15:28:10,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10238 states to 10238 states and 13773 transitions. [2021-12-18 15:28:10,959 INFO L78 Accepts]: Start accepts. Automaton has 10238 states and 13773 transitions. Word has length 130 [2021-12-18 15:28:10,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:28:10,960 INFO L470 AbstractCegarLoop]: Abstraction has 10238 states and 13773 transitions. [2021-12-18 15:28:10,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 15:28:10,960 INFO L276 IsEmpty]: Start isEmpty. Operand 10238 states and 13773 transitions. [2021-12-18 15:28:10,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-12-18 15:28:10,963 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:28:10,963 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:28:10,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 15:28:10,963 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:28:10,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:28:10,964 INFO L85 PathProgramCache]: Analyzing trace with hash 903000778, now seen corresponding path program 1 times [2021-12-18 15:28:10,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:28:10,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119372566] [2021-12-18 15:28:10,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:28:10,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:28:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:28:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:28:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:28:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:28:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 15:28:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 15:28:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 15:28:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:28:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:28:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:28:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:28:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:28:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:28:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:28:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:28:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:28:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:28:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 15:28:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 15:28:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:11,222 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-12-18 15:28:11,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:28:11,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119372566] [2021-12-18 15:28:11,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119372566] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:28:11,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:28:11,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:28:11,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92327167] [2021-12-18 15:28:11,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:28:11,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:28:11,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:28:11,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:28:11,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:28:11,224 INFO L87 Difference]: Start difference. First operand 10238 states and 13773 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 15:28:15,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:17,180 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:19,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:33,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:28:33,152 INFO L93 Difference]: Finished difference Result 22347 states and 30546 transitions. [2021-12-18 15:28:33,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:28:33,153 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 175 [2021-12-18 15:28:33,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:28:33,191 INFO L225 Difference]: With dead ends: 22347 [2021-12-18 15:28:33,191 INFO L226 Difference]: Without dead ends: 12126 [2021-12-18 15:28:33,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:28:33,227 INFO L933 BasicCegarLoop]: 3584 mSDtfsCounter, 5168 mSDsluCounter, 4882 mSDsCounter, 0 mSdLazyCounter, 7621 mSolverCounterSat, 4199 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5168 SdHoareTripleChecker+Valid, 8466 SdHoareTripleChecker+Invalid, 11823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4199 IncrementalHoareTripleChecker+Valid, 7621 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2021-12-18 15:28:33,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5168 Valid, 8466 Invalid, 11823 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4199 Valid, 7621 Invalid, 3 Unknown, 0 Unchecked, 20.9s Time] [2021-12-18 15:28:33,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12126 states. [2021-12-18 15:28:33,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12126 to 10240. [2021-12-18 15:28:33,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10240 states, 6677 states have (on average 1.223154111127752) internal successors, (8167), 6868 states have internal predecessors, (8167), 2776 states have call successors, (2776), 750 states have call predecessors, (2776), 758 states have return successors, (2832), 2732 states have call predecessors, (2832), 2774 states have call successors, (2832) [2021-12-18 15:28:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10240 states to 10240 states and 13775 transitions. [2021-12-18 15:28:33,683 INFO L78 Accepts]: Start accepts. Automaton has 10240 states and 13775 transitions. Word has length 175 [2021-12-18 15:28:33,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:28:33,683 INFO L470 AbstractCegarLoop]: Abstraction has 10240 states and 13775 transitions. [2021-12-18 15:28:33,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 15:28:33,684 INFO L276 IsEmpty]: Start isEmpty. Operand 10240 states and 13775 transitions. [2021-12-18 15:28:33,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-12-18 15:28:33,686 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:28:33,686 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:28:33,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 15:28:33,686 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:28:33,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:28:33,687 INFO L85 PathProgramCache]: Analyzing trace with hash 358128204, now seen corresponding path program 1 times [2021-12-18 15:28:33,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:28:33,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366690744] [2021-12-18 15:28:33,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:28:33,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:28:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:28:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:28:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:28:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:28:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 15:28:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 15:28:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 15:28:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:28:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:28:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:28:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:28:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:28:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:28:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:28:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:28:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:28:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:28:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 15:28:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 15:28:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:33,983 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-12-18 15:28:33,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:28:33,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366690744] [2021-12-18 15:28:33,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366690744] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:28:33,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:28:33,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:28:33,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107619134] [2021-12-18 15:28:33,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:28:33,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:28:33,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:28:33,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:28:33,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:28:33,985 INFO L87 Difference]: Start difference. First operand 10240 states and 13775 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 15:28:37,959 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:39,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:41,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:56,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:28:56,671 INFO L93 Difference]: Finished difference Result 22337 states and 30532 transitions. [2021-12-18 15:28:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:28:56,672 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 175 [2021-12-18 15:28:56,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:28:56,740 INFO L225 Difference]: With dead ends: 22337 [2021-12-18 15:28:56,740 INFO L226 Difference]: Without dead ends: 12129 [2021-12-18 15:28:56,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:28:56,778 INFO L933 BasicCegarLoop]: 3579 mSDtfsCounter, 5176 mSDsluCounter, 4876 mSDsCounter, 0 mSdLazyCounter, 7604 mSolverCounterSat, 4207 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5176 SdHoareTripleChecker+Valid, 8455 SdHoareTripleChecker+Invalid, 11814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4207 IncrementalHoareTripleChecker+Valid, 7604 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:28:56,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5176 Valid, 8455 Invalid, 11814 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4207 Valid, 7604 Invalid, 3 Unknown, 0 Unchecked, 21.6s Time] [2021-12-18 15:28:56,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12129 states. [2021-12-18 15:28:57,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12129 to 10242. [2021-12-18 15:28:57,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10242 states, 6679 states have (on average 1.223087288516245) internal successors, (8169), 6870 states have internal predecessors, (8169), 2776 states have call successors, (2776), 750 states have call predecessors, (2776), 758 states have return successors, (2832), 2732 states have call predecessors, (2832), 2774 states have call successors, (2832) [2021-12-18 15:28:57,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10242 states to 10242 states and 13777 transitions. [2021-12-18 15:28:57,319 INFO L78 Accepts]: Start accepts. Automaton has 10242 states and 13777 transitions. Word has length 175 [2021-12-18 15:28:57,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:28:57,320 INFO L470 AbstractCegarLoop]: Abstraction has 10242 states and 13777 transitions. [2021-12-18 15:28:57,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 15:28:57,320 INFO L276 IsEmpty]: Start isEmpty. Operand 10242 states and 13777 transitions. [2021-12-18 15:28:57,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-12-18 15:28:57,322 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:28:57,322 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:28:57,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 15:28:57,322 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:28:57,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:28:57,323 INFO L85 PathProgramCache]: Analyzing trace with hash 829484554, now seen corresponding path program 1 times [2021-12-18 15:28:57,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:28:57,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649404433] [2021-12-18 15:28:57,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:28:57,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:28:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:28:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:28:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:28:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:28:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 15:28:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 15:28:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 15:28:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:28:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:28:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:28:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:28:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:28:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:28:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:28:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:28:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:28:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:28:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 15:28:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 15:28:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,784 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-12-18 15:28:57,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:28:57,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649404433] [2021-12-18 15:28:57,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649404433] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:28:57,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720596662] [2021-12-18 15:28:57,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:28:57,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:28:57,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:28:57,788 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 15:28:57,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 15:28:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:58,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 3397 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-18 15:28:58,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:28:59,425 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-12-18 15:28:59,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:28:59,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720596662] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:28:59,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 15:28:59,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 14 [2021-12-18 15:28:59,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449709039] [2021-12-18 15:28:59,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:28:59,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:28:59,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:28:59,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:28:59,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:28:59,427 INFO L87 Difference]: Start difference. First operand 10242 states and 13777 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-18 15:29:03,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:29:03,301 INFO L93 Difference]: Finished difference Result 22522 states and 30508 transitions. [2021-12-18 15:29:03,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 15:29:03,302 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 175 [2021-12-18 15:29:03,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:29:03,364 INFO L225 Difference]: With dead ends: 22522 [2021-12-18 15:29:03,366 INFO L226 Difference]: Without dead ends: 12330 [2021-12-18 15:29:03,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2021-12-18 15:29:03,421 INFO L933 BasicCegarLoop]: 3802 mSDtfsCounter, 3428 mSDsluCounter, 10752 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3432 SdHoareTripleChecker+Valid, 14554 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:29:03,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3432 Valid, 14554 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1440 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-18 15:29:03,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12330 states. [2021-12-18 15:29:04,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12330 to 12246. [2021-12-18 15:29:04,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12246 states, 7987 states have (on average 1.2216101164392137) internal successors, (9757), 8198 states have internal predecessors, (9757), 3208 states have call successors, (3208), 1022 states have call predecessors, (3208), 1022 states have return successors, (3320), 3148 states have call predecessors, (3320), 3206 states have call successors, (3320) [2021-12-18 15:29:04,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12246 states to 12246 states and 16285 transitions. [2021-12-18 15:29:04,073 INFO L78 Accepts]: Start accepts. Automaton has 12246 states and 16285 transitions. Word has length 175 [2021-12-18 15:29:04,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:29:04,073 INFO L470 AbstractCegarLoop]: Abstraction has 12246 states and 16285 transitions. [2021-12-18 15:29:04,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-18 15:29:04,074 INFO L276 IsEmpty]: Start isEmpty. Operand 12246 states and 16285 transitions. [2021-12-18 15:29:04,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-12-18 15:29:04,075 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:29:04,076 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:29:04,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-18 15:29:04,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-18 15:29:04,301 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:29:04,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:29:04,301 INFO L85 PathProgramCache]: Analyzing trace with hash 829544136, now seen corresponding path program 1 times [2021-12-18 15:29:04,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:29:04,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841177696] [2021-12-18 15:29:04,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:29:04,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:29:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:29:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:29:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:29:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:29:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 15:29:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 15:29:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 15:29:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:29:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:29:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:29:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:29:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:29:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:29:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:29:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:29:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:29:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:29:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 15:29:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 15:29:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:04,588 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-12-18 15:29:04,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:29:04,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841177696] [2021-12-18 15:29:04,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841177696] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:29:04,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:29:04,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:29:04,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286646582] [2021-12-18 15:29:04,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:29:04,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:29:04,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:29:04,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:29:04,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:29:04,591 INFO L87 Difference]: Start difference. First operand 12246 states and 16285 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-18 15:29:08,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:10,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:12,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:26,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:29:26,802 INFO L93 Difference]: Finished difference Result 13487 states and 18251 transitions. [2021-12-18 15:29:26,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 15:29:26,802 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 175 [2021-12-18 15:29:26,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:29:26,854 INFO L225 Difference]: With dead ends: 13487 [2021-12-18 15:29:26,855 INFO L226 Difference]: Without dead ends: 13485 [2021-12-18 15:29:26,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:29:26,865 INFO L933 BasicCegarLoop]: 3113 mSDtfsCounter, 4900 mSDsluCounter, 4037 mSDsCounter, 0 mSdLazyCounter, 7178 mSolverCounterSat, 3923 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4900 SdHoareTripleChecker+Valid, 7150 SdHoareTripleChecker+Invalid, 11104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3923 IncrementalHoareTripleChecker+Valid, 7178 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:29:26,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4900 Valid, 7150 Invalid, 11104 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3923 Valid, 7178 Invalid, 3 Unknown, 0 Unchecked, 21.2s Time] [2021-12-18 15:29:26,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13485 states. [2021-12-18 15:29:27,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13485 to 12674. [2021-12-18 15:29:27,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12674 states, 8279 states have (on average 1.2239400893827757) internal successors, (10133), 8514 states have internal predecessors, (10133), 3300 states have call successors, (3300), 1022 states have call predecessors, (3300), 1066 states have return successors, (3549), 3260 states have call predecessors, (3549), 3298 states have call successors, (3549) [2021-12-18 15:29:27,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12674 states to 12674 states and 16982 transitions. [2021-12-18 15:29:27,529 INFO L78 Accepts]: Start accepts. Automaton has 12674 states and 16982 transitions. Word has length 175 [2021-12-18 15:29:27,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:29:27,529 INFO L470 AbstractCegarLoop]: Abstraction has 12674 states and 16982 transitions. [2021-12-18 15:29:27,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-18 15:29:27,530 INFO L276 IsEmpty]: Start isEmpty. Operand 12674 states and 16982 transitions. [2021-12-18 15:29:27,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-12-18 15:29:27,531 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:29:27,531 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:29:27,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 15:29:27,531 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:29:27,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:29:27,532 INFO L85 PathProgramCache]: Analyzing trace with hash 557273321, now seen corresponding path program 1 times [2021-12-18 15:29:27,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:29:27,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531299500] [2021-12-18 15:29:27,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:29:27,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:29:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:29:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:29:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:29:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:29:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:29:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:29:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:29:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:29:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:29:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:29:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 15:29:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 15:29:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 15:29:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 15:29:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 15:29:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:29:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 15:29:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 15:29:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,819 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:29:27,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:29:27,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531299500] [2021-12-18 15:29:27,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531299500] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:29:27,819 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:29:27,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:29:27,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56458560] [2021-12-18 15:29:27,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:29:27,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:29:27,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:29:27,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:29:27,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:29:27,821 INFO L87 Difference]: Start difference. First operand 12674 states and 16982 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 15:29:31,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:33,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:44,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:29:44,914 INFO L93 Difference]: Finished difference Result 13451 states and 18201 transitions. [2021-12-18 15:29:44,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:29:44,915 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (22), 5 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 136 [2021-12-18 15:29:44,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:29:44,960 INFO L225 Difference]: With dead ends: 13451 [2021-12-18 15:29:44,961 INFO L226 Difference]: Without dead ends: 13449 [2021-12-18 15:29:44,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:29:44,969 INFO L933 BasicCegarLoop]: 3117 mSDtfsCounter, 7350 mSDsluCounter, 2669 mSDsCounter, 0 mSdLazyCounter, 4846 mSolverCounterSat, 5140 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7563 SdHoareTripleChecker+Valid, 5786 SdHoareTripleChecker+Invalid, 9988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5140 IncrementalHoareTripleChecker+Valid, 4846 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:29:44,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7563 Valid, 5786 Invalid, 9988 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5140 Valid, 4846 Invalid, 2 Unknown, 0 Unchecked, 16.2s Time] [2021-12-18 15:29:44,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13449 states. [2021-12-18 15:29:45,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13449 to 12672. [2021-12-18 15:29:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12672 states, 8278 states have (on average 1.2238463396955785) internal successors, (10131), 8512 states have internal predecessors, (10131), 3300 states have call successors, (3300), 1022 states have call predecessors, (3300), 1066 states have return successors, (3549), 3260 states have call predecessors, (3549), 3298 states have call successors, (3549) [2021-12-18 15:29:45,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12672 states to 12672 states and 16980 transitions. [2021-12-18 15:29:45,616 INFO L78 Accepts]: Start accepts. Automaton has 12672 states and 16980 transitions. Word has length 136 [2021-12-18 15:29:45,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:29:45,616 INFO L470 AbstractCegarLoop]: Abstraction has 12672 states and 16980 transitions. [2021-12-18 15:29:45,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 15:29:45,617 INFO L276 IsEmpty]: Start isEmpty. Operand 12672 states and 16980 transitions. [2021-12-18 15:29:45,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-12-18 15:29:45,618 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:29:45,618 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:29:45,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 15:29:45,619 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:29:45,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:29:45,619 INFO L85 PathProgramCache]: Analyzing trace with hash -278062386, now seen corresponding path program 1 times [2021-12-18 15:29:45,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:29:45,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317663659] [2021-12-18 15:29:45,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:29:45,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:29:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:29:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:29:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:29:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:29:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 15:29:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 15:29:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 15:29:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:29:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:29:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:29:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:29:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:29:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:29:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:29:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:29:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:29:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:29:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 15:29:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 15:29:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:45,910 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-12-18 15:29:45,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:29:45,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317663659] [2021-12-18 15:29:45,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317663659] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:29:45,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:29:45,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:29:45,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694230256] [2021-12-18 15:29:45,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:29:45,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:29:45,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:29:45,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:29:45,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:29:45,913 INFO L87 Difference]: Start difference. First operand 12672 states and 16980 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 15:29:49,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:57,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:29:57,851 INFO L93 Difference]: Finished difference Result 26053 states and 35727 transitions. [2021-12-18 15:29:57,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:29:57,852 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 179 [2021-12-18 15:29:57,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:29:57,905 INFO L225 Difference]: With dead ends: 26053 [2021-12-18 15:29:57,905 INFO L226 Difference]: Without dead ends: 13431 [2021-12-18 15:29:57,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:29:57,955 INFO L933 BasicCegarLoop]: 3108 mSDtfsCounter, 7313 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 2509 mSolverCounterSat, 5142 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7531 SdHoareTripleChecker+Valid, 4402 SdHoareTripleChecker+Invalid, 7652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5142 IncrementalHoareTripleChecker+Valid, 2509 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2021-12-18 15:29:57,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7531 Valid, 4402 Invalid, 7652 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5142 Valid, 2509 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2021-12-18 15:29:57,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13431 states. [2021-12-18 15:29:58,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13431 to 12654. [2021-12-18 15:29:58,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12654 states, 8261 states have (on average 1.22237017310253) internal successors, (10098), 8494 states have internal predecessors, (10098), 3300 states have call successors, (3300), 1022 states have call predecessors, (3300), 1066 states have return successors, (3549), 3260 states have call predecessors, (3549), 3298 states have call successors, (3549) [2021-12-18 15:29:58,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12654 states to 12654 states and 16947 transitions. [2021-12-18 15:29:58,669 INFO L78 Accepts]: Start accepts. Automaton has 12654 states and 16947 transitions. Word has length 179 [2021-12-18 15:29:58,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:29:58,669 INFO L470 AbstractCegarLoop]: Abstraction has 12654 states and 16947 transitions. [2021-12-18 15:29:58,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 15:29:58,670 INFO L276 IsEmpty]: Start isEmpty. Operand 12654 states and 16947 transitions. [2021-12-18 15:29:58,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-12-18 15:29:58,671 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:29:58,671 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:29:58,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-18 15:29:58,671 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:29:58,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:29:58,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1322659540, now seen corresponding path program 1 times [2021-12-18 15:29:58,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:29:58,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527397332] [2021-12-18 15:29:58,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:29:58,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:29:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:29:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:29:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:29:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:29:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:29:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:29:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:29:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:29:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:29:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:29:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 15:29:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 15:29:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 15:29:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 15:29:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 15:29:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:29:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 15:29:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 15:29:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:29:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:58,980 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:29:58,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:29:58,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527397332] [2021-12-18 15:29:58,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527397332] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:29:58,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:29:58,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:29:58,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042384953] [2021-12-18 15:29:58,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:29:58,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:29:58,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:29:58,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:29:58,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:29:58,983 INFO L87 Difference]: Start difference. First operand 12654 states and 16947 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 15:30:02,720 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:30:04,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:30:16,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:30:16,640 INFO L93 Difference]: Finished difference Result 13431 states and 18166 transitions. [2021-12-18 15:30:16,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:30:16,641 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (23), 5 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 142 [2021-12-18 15:30:16,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:30:16,692 INFO L225 Difference]: With dead ends: 13431 [2021-12-18 15:30:16,693 INFO L226 Difference]: Without dead ends: 13429 [2021-12-18 15:30:16,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:30:16,704 INFO L933 BasicCegarLoop]: 3111 mSDtfsCounter, 7319 mSDsluCounter, 2669 mSDsCounter, 0 mSdLazyCounter, 4845 mSolverCounterSat, 5134 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7531 SdHoareTripleChecker+Valid, 5780 SdHoareTripleChecker+Invalid, 9981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5134 IncrementalHoareTripleChecker+Valid, 4845 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:30:16,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7531 Valid, 5780 Invalid, 9981 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5134 Valid, 4845 Invalid, 2 Unknown, 0 Unchecked, 16.6s Time] [2021-12-18 15:30:16,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13429 states. [2021-12-18 15:30:17,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13429 to 12652. [2021-12-18 15:30:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12652 states, 8260 states have (on average 1.22227602905569) internal successors, (10096), 8492 states have internal predecessors, (10096), 3300 states have call successors, (3300), 1022 states have call predecessors, (3300), 1066 states have return successors, (3549), 3260 states have call predecessors, (3549), 3298 states have call successors, (3549) [2021-12-18 15:30:17,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12652 states to 12652 states and 16945 transitions. [2021-12-18 15:30:17,350 INFO L78 Accepts]: Start accepts. Automaton has 12652 states and 16945 transitions. Word has length 142 [2021-12-18 15:30:17,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:30:17,350 INFO L470 AbstractCegarLoop]: Abstraction has 12652 states and 16945 transitions. [2021-12-18 15:30:17,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 15:30:17,351 INFO L276 IsEmpty]: Start isEmpty. Operand 12652 states and 16945 transitions. [2021-12-18 15:30:17,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-12-18 15:30:17,352 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:30:17,352 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:30:17,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-18 15:30:17,353 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:30:17,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:30:17,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1121223339, now seen corresponding path program 1 times [2021-12-18 15:30:17,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:30:17,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781046668] [2021-12-18 15:30:17,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:30:17,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:30:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:30:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:30:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:30:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:30:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:30:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:30:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:30:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:30:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:30:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:30:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:30:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:30:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:30:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 15:30:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 15:30:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 15:30:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 15:30:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 15:30:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:30:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 15:30:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 15:30:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:30:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 15:30:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:17,606 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:30:17,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:30:17,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781046668] [2021-12-18 15:30:17,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781046668] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:30:17,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:30:17,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:30:17,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900402974] [2021-12-18 15:30:17,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:30:17,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:30:17,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:30:17,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:30:17,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:30:17,609 INFO L87 Difference]: Start difference. First operand 12652 states and 16945 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 15:30:21,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:30:23,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:30:35,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:30:35,928 INFO L93 Difference]: Finished difference Result 13429 states and 18164 transitions. [2021-12-18 15:30:35,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:30:35,929 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (24), 5 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 148 [2021-12-18 15:30:35,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:30:35,974 INFO L225 Difference]: With dead ends: 13429 [2021-12-18 15:30:35,974 INFO L226 Difference]: Without dead ends: 13427 [2021-12-18 15:30:35,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:30:35,983 INFO L933 BasicCegarLoop]: 3102 mSDtfsCounter, 7323 mSDsluCounter, 2664 mSDsCounter, 0 mSdLazyCounter, 4828 mSolverCounterSat, 5147 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7536 SdHoareTripleChecker+Valid, 5766 SdHoareTripleChecker+Invalid, 9977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5147 IncrementalHoareTripleChecker+Valid, 4828 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:30:35,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7536 Valid, 5766 Invalid, 9977 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5147 Valid, 4828 Invalid, 2 Unknown, 0 Unchecked, 17.2s Time] [2021-12-18 15:30:35,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13427 states. [2021-12-18 15:30:36,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13427 to 12650. [2021-12-18 15:30:36,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12650 states, 8259 states have (on average 1.2221818622109215) internal successors, (10094), 8490 states have internal predecessors, (10094), 3300 states have call successors, (3300), 1022 states have call predecessors, (3300), 1066 states have return successors, (3549), 3260 states have call predecessors, (3549), 3298 states have call successors, (3549) [2021-12-18 15:30:36,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12650 states to 12650 states and 16943 transitions. [2021-12-18 15:30:36,680 INFO L78 Accepts]: Start accepts. Automaton has 12650 states and 16943 transitions. Word has length 148 [2021-12-18 15:30:36,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:30:36,681 INFO L470 AbstractCegarLoop]: Abstraction has 12650 states and 16943 transitions. [2021-12-18 15:30:36,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 15:30:36,681 INFO L276 IsEmpty]: Start isEmpty. Operand 12650 states and 16943 transitions. [2021-12-18 15:30:36,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-12-18 15:30:36,683 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:30:36,683 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:30:36,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-18 15:30:36,683 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:30:36,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:30:36,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1828167206, now seen corresponding path program 1 times [2021-12-18 15:30:36,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:30:36,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106838494] [2021-12-18 15:30:36,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:30:36,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:30:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:30:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:30:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:30:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:30:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:30:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:30:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:30:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:30:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:30:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:30:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:30:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:30:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:30:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 15:30:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 15:30:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 15:30:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 15:30:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 15:30:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:30:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 15:30:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 15:30:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:30:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 15:30:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 15:30:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:36,958 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:30:36,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:30:36,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106838494] [2021-12-18 15:30:36,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106838494] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:30:36,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:30:36,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:30:36,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954150321] [2021-12-18 15:30:36,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:30:36,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:30:36,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:30:36,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:30:36,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:30:36,960 INFO L87 Difference]: Start difference. First operand 12650 states and 16943 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 15:30:40,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:30:42,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:30:53,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:30:53,293 INFO L93 Difference]: Finished difference Result 13427 states and 18162 transitions. [2021-12-18 15:30:53,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:30:53,301 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (25), 5 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 154 [2021-12-18 15:30:53,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:30:53,342 INFO L225 Difference]: With dead ends: 13427 [2021-12-18 15:30:53,342 INFO L226 Difference]: Without dead ends: 13425 [2021-12-18 15:30:53,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:30:53,351 INFO L933 BasicCegarLoop]: 3094 mSDtfsCounter, 7327 mSDsluCounter, 2662 mSDsCounter, 0 mSdLazyCounter, 4823 mSolverCounterSat, 5155 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7539 SdHoareTripleChecker+Valid, 5756 SdHoareTripleChecker+Invalid, 9980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5155 IncrementalHoareTripleChecker+Valid, 4823 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:30:53,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7539 Valid, 5756 Invalid, 9980 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5155 Valid, 4823 Invalid, 2 Unknown, 0 Unchecked, 15.3s Time] [2021-12-18 15:30:53,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13425 states. [2021-12-18 15:30:54,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13425 to 12648. [2021-12-18 15:30:54,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12648 states, 8258 states have (on average 1.2220876725599419) internal successors, (10092), 8488 states have internal predecessors, (10092), 3300 states have call successors, (3300), 1022 states have call predecessors, (3300), 1066 states have return successors, (3549), 3260 states have call predecessors, (3549), 3298 states have call successors, (3549) [2021-12-18 15:30:54,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12648 states to 12648 states and 16941 transitions. [2021-12-18 15:30:54,137 INFO L78 Accepts]: Start accepts. Automaton has 12648 states and 16941 transitions. Word has length 154 [2021-12-18 15:30:54,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:30:54,137 INFO L470 AbstractCegarLoop]: Abstraction has 12648 states and 16941 transitions. [2021-12-18 15:30:54,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 15:30:54,138 INFO L276 IsEmpty]: Start isEmpty. Operand 12648 states and 16941 transitions. [2021-12-18 15:30:54,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-12-18 15:30:54,139 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:30:54,139 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:30:54,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-18 15:30:54,140 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:30:54,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:30:54,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1517982554, now seen corresponding path program 1 times [2021-12-18 15:30:54,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:30:54,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299760620] [2021-12-18 15:30:54,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:30:54,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:30:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:30:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:30:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:30:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:30:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:30:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:30:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:30:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:30:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:30:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:30:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:30:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:30:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:30:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 15:30:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 15:30:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 15:30:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 15:30:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 15:30:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:30:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 15:30:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 15:30:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:30:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 15:30:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 15:30:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 15:30:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:30:54,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:30:54,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299760620] [2021-12-18 15:30:54,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299760620] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:30:54,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:30:54,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:30:54,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096869695] [2021-12-18 15:30:54,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:30:54,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:30:54,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:30:54,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:30:54,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:30:54,402 INFO L87 Difference]: Start difference. First operand 12648 states and 16941 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 15:30:57,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:30:59,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:31:11,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:31:11,643 INFO L93 Difference]: Finished difference Result 13425 states and 18160 transitions. [2021-12-18 15:31:11,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:31:11,643 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (26), 5 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 160 [2021-12-18 15:31:11,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:31:11,685 INFO L225 Difference]: With dead ends: 13425 [2021-12-18 15:31:11,686 INFO L226 Difference]: Without dead ends: 13423 [2021-12-18 15:31:11,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:31:11,695 INFO L933 BasicCegarLoop]: 3101 mSDtfsCounter, 7304 mSDsluCounter, 2667 mSDsCounter, 0 mSdLazyCounter, 4825 mSolverCounterSat, 5146 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7514 SdHoareTripleChecker+Valid, 5768 SdHoareTripleChecker+Invalid, 9973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5146 IncrementalHoareTripleChecker+Valid, 4825 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:31:11,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7514 Valid, 5768 Invalid, 9973 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5146 Valid, 4825 Invalid, 2 Unknown, 0 Unchecked, 16.3s Time] [2021-12-18 15:31:11,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13423 states. [2021-12-18 15:31:12,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13423 to 12646. [2021-12-18 15:31:12,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12646 states, 8257 states have (on average 1.2219934600944653) internal successors, (10090), 8486 states have internal predecessors, (10090), 3300 states have call successors, (3300), 1022 states have call predecessors, (3300), 1066 states have return successors, (3549), 3260 states have call predecessors, (3549), 3298 states have call successors, (3549) [2021-12-18 15:31:12,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12646 states to 12646 states and 16939 transitions. [2021-12-18 15:31:12,443 INFO L78 Accepts]: Start accepts. Automaton has 12646 states and 16939 transitions. Word has length 160 [2021-12-18 15:31:12,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:31:12,444 INFO L470 AbstractCegarLoop]: Abstraction has 12646 states and 16939 transitions. [2021-12-18 15:31:12,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 15:31:12,444 INFO L276 IsEmpty]: Start isEmpty. Operand 12646 states and 16939 transitions. [2021-12-18 15:31:12,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-12-18 15:31:12,446 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:31:12,446 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:31:12,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-18 15:31:12,447 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:31:12,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:31:12,447 INFO L85 PathProgramCache]: Analyzing trace with hash -783697648, now seen corresponding path program 1 times [2021-12-18 15:31:12,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:31:12,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795984799] [2021-12-18 15:31:12,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:31:12,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:31:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:31:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:31:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:31:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:31:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:31:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:31:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:31:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:31:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:31:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:31:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 15:31:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 15:31:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 15:31:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 15:31:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 15:31:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:31:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 15:31:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 15:31:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:31:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 15:31:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 15:31:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 15:31:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 15:31:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:12,701 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:31:12,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:31:12,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795984799] [2021-12-18 15:31:12,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795984799] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:31:12,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:31:12,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:31:12,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475231758] [2021-12-18 15:31:12,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:31:12,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:31:12,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:31:12,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:31:12,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:31:12,704 INFO L87 Difference]: Start difference. First operand 12646 states and 16939 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-18 15:31:16,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:31:18,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:31:30,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:31:30,138 INFO L93 Difference]: Finished difference Result 13423 states and 18158 transitions. [2021-12-18 15:31:30,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:31:30,138 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (27), 5 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 166 [2021-12-18 15:31:30,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:31:30,181 INFO L225 Difference]: With dead ends: 13423 [2021-12-18 15:31:30,181 INFO L226 Difference]: Without dead ends: 13421 [2021-12-18 15:31:30,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:31:30,189 INFO L933 BasicCegarLoop]: 3102 mSDtfsCounter, 7284 mSDsluCounter, 2666 mSDsCounter, 0 mSdLazyCounter, 4834 mSolverCounterSat, 5141 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7493 SdHoareTripleChecker+Valid, 5768 SdHoareTripleChecker+Invalid, 9977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5141 IncrementalHoareTripleChecker+Valid, 4834 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:31:30,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7493 Valid, 5768 Invalid, 9977 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5141 Valid, 4834 Invalid, 2 Unknown, 0 Unchecked, 16.2s Time] [2021-12-18 15:31:30,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13421 states. [2021-12-18 15:31:31,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13421 to 12644. [2021-12-18 15:31:31,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12644 states, 8256 states have (on average 1.2218992248062015) internal successors, (10088), 8484 states have internal predecessors, (10088), 3300 states have call successors, (3300), 1022 states have call predecessors, (3300), 1066 states have return successors, (3549), 3260 states have call predecessors, (3549), 3298 states have call successors, (3549) [2021-12-18 15:31:31,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12644 states to 12644 states and 16937 transitions. [2021-12-18 15:31:31,152 INFO L78 Accepts]: Start accepts. Automaton has 12644 states and 16937 transitions. Word has length 166 [2021-12-18 15:31:31,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:31:31,152 INFO L470 AbstractCegarLoop]: Abstraction has 12644 states and 16937 transitions. [2021-12-18 15:31:31,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-18 15:31:31,153 INFO L276 IsEmpty]: Start isEmpty. Operand 12644 states and 16937 transitions. [2021-12-18 15:31:31,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-12-18 15:31:31,155 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:31:31,155 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:31:31,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-18 15:31:31,155 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:31:31,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:31:31,156 INFO L85 PathProgramCache]: Analyzing trace with hash 523721793, now seen corresponding path program 1 times [2021-12-18 15:31:31,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:31:31,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75491288] [2021-12-18 15:31:31,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:31:31,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:31:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:31:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:31:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:31:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:31:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 15:31:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 15:31:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 15:31:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:31:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:31:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:31:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:31:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:31:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:31:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:31:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:31:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:31:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:31:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 15:31:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 15:31:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:31:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:31,546 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2021-12-18 15:31:31,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:31:31,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75491288] [2021-12-18 15:31:31,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75491288] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:31:31,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:31:31,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 15:31:31,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492323589] [2021-12-18 15:31:31,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:31:31,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 15:31:31,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:31:31,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 15:31:31,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:31:31,549 INFO L87 Difference]: Start difference. First operand 12644 states and 16937 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 15:31:35,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:31:50,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:31:50,215 INFO L93 Difference]: Finished difference Result 26799 states and 36370 transitions. [2021-12-18 15:31:50,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:31:50,215 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 205 [2021-12-18 15:31:50,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:31:50,268 INFO L225 Difference]: With dead ends: 26799 [2021-12-18 15:31:50,269 INFO L226 Difference]: Without dead ends: 14205 [2021-12-18 15:31:50,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-12-18 15:31:50,308 INFO L933 BasicCegarLoop]: 2765 mSDtfsCounter, 8292 mSDsluCounter, 1588 mSDsCounter, 0 mSdLazyCounter, 4924 mSolverCounterSat, 6616 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8522 SdHoareTripleChecker+Valid, 4353 SdHoareTripleChecker+Invalid, 11541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6616 IncrementalHoareTripleChecker+Valid, 4924 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:31:50,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8522 Valid, 4353 Invalid, 11541 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6616 Valid, 4924 Invalid, 1 Unknown, 0 Unchecked, 17.1s Time] [2021-12-18 15:31:50,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14205 states. [2021-12-18 15:31:51,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14205 to 12644. [2021-12-18 15:31:51,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12644 states, 8253 states have (on average 1.2210105416212287) internal successors, (10077), 8482 states have internal predecessors, (10077), 3302 states have call successors, (3302), 1022 states have call predecessors, (3302), 1068 states have return successors, (3555), 3262 states have call predecessors, (3555), 3300 states have call successors, (3555) [2021-12-18 15:31:51,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12644 states to 12644 states and 16934 transitions. [2021-12-18 15:31:51,248 INFO L78 Accepts]: Start accepts. Automaton has 12644 states and 16934 transitions. Word has length 205 [2021-12-18 15:31:51,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:31:51,249 INFO L470 AbstractCegarLoop]: Abstraction has 12644 states and 16934 transitions. [2021-12-18 15:31:51,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 15:31:51,249 INFO L276 IsEmpty]: Start isEmpty. Operand 12644 states and 16934 transitions. [2021-12-18 15:31:51,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-18 15:31:51,252 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:31:51,252 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:31:51,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-18 15:31:51,252 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:31:51,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:31:51,252 INFO L85 PathProgramCache]: Analyzing trace with hash -642429775, now seen corresponding path program 1 times [2021-12-18 15:31:51,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:31:51,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092672232] [2021-12-18 15:31:51,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:31:51,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:31:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:31:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:31:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:31:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:31:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:31:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:31:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:31:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:31:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 15:31:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:31:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:31:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:31:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:31:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:31:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:31:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:31:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:31:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:31:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:31:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:31:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 15:31:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:31:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 15:31:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:31:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:51,741 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2021-12-18 15:31:51,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:31:51,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092672232] [2021-12-18 15:31:51,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092672232] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:31:51,741 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:31:51,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 15:31:51,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442830805] [2021-12-18 15:31:51,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:31:51,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 15:31:51,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:31:51,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 15:31:51,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:31:51,744 INFO L87 Difference]: Start difference. First operand 12644 states and 16934 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 15:31:56,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:31:58,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:00,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:19,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:32:19,855 INFO L93 Difference]: Finished difference Result 14189 states and 19431 transitions. [2021-12-18 15:32:19,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 15:32:19,856 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 218 [2021-12-18 15:32:19,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:32:19,964 INFO L225 Difference]: With dead ends: 14189 [2021-12-18 15:32:19,964 INFO L226 Difference]: Without dead ends: 14187 [2021-12-18 15:32:19,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2021-12-18 15:32:19,971 INFO L933 BasicCegarLoop]: 3058 mSDtfsCounter, 7505 mSDsluCounter, 4459 mSDsCounter, 0 mSdLazyCounter, 9137 mSolverCounterSat, 5619 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7721 SdHoareTripleChecker+Valid, 7517 SdHoareTripleChecker+Invalid, 14759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5619 IncrementalHoareTripleChecker+Valid, 9137 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:32:19,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7721 Valid, 7517 Invalid, 14759 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5619 Valid, 9137 Invalid, 3 Unknown, 0 Unchecked, 26.5s Time] [2021-12-18 15:32:19,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14187 states. [2021-12-18 15:32:20,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14187 to 12708. [2021-12-18 15:32:20,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12708 states, 8301 states have (on average 1.220214431996145) internal successors, (10129), 8530 states have internal predecessors, (10129), 3302 states have call successors, (3302), 1038 states have call predecessors, (3302), 1084 states have return successors, (3555), 3262 states have call predecessors, (3555), 3300 states have call successors, (3555) [2021-12-18 15:32:20,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12708 states to 12708 states and 16986 transitions. [2021-12-18 15:32:20,866 INFO L78 Accepts]: Start accepts. Automaton has 12708 states and 16986 transitions. Word has length 218 [2021-12-18 15:32:20,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:32:20,866 INFO L470 AbstractCegarLoop]: Abstraction has 12708 states and 16986 transitions. [2021-12-18 15:32:20,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 15:32:20,867 INFO L276 IsEmpty]: Start isEmpty. Operand 12708 states and 16986 transitions. [2021-12-18 15:32:20,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-12-18 15:32:20,869 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:32:20,869 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:32:20,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-18 15:32:20,869 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:32:20,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:32:20,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1795553766, now seen corresponding path program 1 times [2021-12-18 15:32:20,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:32:20,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722110857] [2021-12-18 15:32:20,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:32:20,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:32:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:20,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:32:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:20,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:32:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:20,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:20,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:20,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:32:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:32:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:32:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:32:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:32:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:32:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:32:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:32:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 15:32:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 15:32:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 15:32:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 15:32:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 15:32:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:32:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 15:32:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 15:32:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:32:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 15:32:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 15:32:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 15:32:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 15:32:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 15:32:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:21,108 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:32:21,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:32:21,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722110857] [2021-12-18 15:32:21,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722110857] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:32:21,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:32:21,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:32:21,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944664219] [2021-12-18 15:32:21,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:32:21,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:32:21,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:32:21,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:32:21,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:32:21,110 INFO L87 Difference]: Start difference. First operand 12708 states and 16986 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 15:32:24,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:26,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:39,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:32:39,195 INFO L93 Difference]: Finished difference Result 13485 states and 18205 transitions. [2021-12-18 15:32:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:32:39,196 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (28), 5 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 172 [2021-12-18 15:32:39,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:32:39,240 INFO L225 Difference]: With dead ends: 13485 [2021-12-18 15:32:39,240 INFO L226 Difference]: Without dead ends: 13483 [2021-12-18 15:32:39,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:32:39,251 INFO L933 BasicCegarLoop]: 3102 mSDtfsCounter, 7259 mSDsluCounter, 2651 mSDsCounter, 0 mSdLazyCounter, 4839 mSolverCounterSat, 5130 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7466 SdHoareTripleChecker+Valid, 5753 SdHoareTripleChecker+Invalid, 9971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5130 IncrementalHoareTripleChecker+Valid, 4839 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:32:39,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7466 Valid, 5753 Invalid, 9971 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5130 Valid, 4839 Invalid, 2 Unknown, 0 Unchecked, 16.8s Time] [2021-12-18 15:32:39,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13483 states. [2021-12-18 15:32:40,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13483 to 12706. [2021-12-18 15:32:40,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12706 states, 8300 states have (on average 1.220120481927711) internal successors, (10127), 8528 states have internal predecessors, (10127), 3302 states have call successors, (3302), 1038 states have call predecessors, (3302), 1084 states have return successors, (3555), 3262 states have call predecessors, (3555), 3300 states have call successors, (3555) [2021-12-18 15:32:40,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12706 states to 12706 states and 16984 transitions. [2021-12-18 15:32:40,201 INFO L78 Accepts]: Start accepts. Automaton has 12706 states and 16984 transitions. Word has length 172 [2021-12-18 15:32:40,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:32:40,207 INFO L470 AbstractCegarLoop]: Abstraction has 12706 states and 16984 transitions. [2021-12-18 15:32:40,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 15:32:40,207 INFO L276 IsEmpty]: Start isEmpty. Operand 12706 states and 16984 transitions. [2021-12-18 15:32:40,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-12-18 15:32:40,209 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:32:40,210 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:32:40,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-18 15:32:40,210 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:32:40,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:32:40,210 INFO L85 PathProgramCache]: Analyzing trace with hash -66878416, now seen corresponding path program 1 times [2021-12-18 15:32:40,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:32:40,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131096302] [2021-12-18 15:32:40,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:32:40,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:32:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:32:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:32:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:32:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:32:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 15:32:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 15:32:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 15:32:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:32:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:32:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:32:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:32:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:32:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:32:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:32:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:32:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:32:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:32:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 15:32:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 15:32:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:32:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 15:32:40,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:40,732 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2021-12-18 15:32:40,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:32:40,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131096302] [2021-12-18 15:32:40,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131096302] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:32:40,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981932523] [2021-12-18 15:32:40,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:32:40,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:32:40,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:32:40,744 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 15:32:40,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 15:32:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:41,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 3552 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 15:32:41,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:32:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-12-18 15:32:42,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:32:42,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981932523] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:32:42,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 15:32:42,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2021-12-18 15:32:42,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798198148] [2021-12-18 15:32:42,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:32:42,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 15:32:42,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:32:42,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 15:32:42,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:32:42,002 INFO L87 Difference]: Start difference. First operand 12706 states and 16984 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 15:32:42,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:32:42,981 INFO L93 Difference]: Finished difference Result 25352 states and 33883 transitions. [2021-12-18 15:32:42,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 15:32:42,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 211 [2021-12-18 15:32:42,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:32:43,021 INFO L225 Difference]: With dead ends: 25352 [2021-12-18 15:32:43,022 INFO L226 Difference]: Without dead ends: 12696 [2021-12-18 15:32:43,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 272 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:32:43,054 INFO L933 BasicCegarLoop]: 3605 mSDtfsCounter, 3551 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3551 SdHoareTripleChecker+Valid, 3605 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:32:43,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3551 Valid, 3605 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 15:32:43,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12696 states. [2021-12-18 15:32:43,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12696 to 12696. [2021-12-18 15:32:43,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12696 states, 8291 states have (on average 1.2193945241828488) internal successors, (10110), 8518 states have internal predecessors, (10110), 3302 states have call successors, (3302), 1038 states have call predecessors, (3302), 1084 states have return successors, (3555), 3262 states have call predecessors, (3555), 3300 states have call successors, (3555) [2021-12-18 15:32:43,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12696 states to 12696 states and 16967 transitions. [2021-12-18 15:32:43,966 INFO L78 Accepts]: Start accepts. Automaton has 12696 states and 16967 transitions. Word has length 211 [2021-12-18 15:32:43,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:32:43,967 INFO L470 AbstractCegarLoop]: Abstraction has 12696 states and 16967 transitions. [2021-12-18 15:32:43,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 15:32:43,967 INFO L276 IsEmpty]: Start isEmpty. Operand 12696 states and 16967 transitions. [2021-12-18 15:32:43,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-12-18 15:32:43,969 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:32:43,969 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:32:43,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-18 15:32:44,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-12-18 15:32:44,192 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:32:44,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:32:44,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1799634238, now seen corresponding path program 1 times [2021-12-18 15:32:44,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:32:44,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981596751] [2021-12-18 15:32:44,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:32:44,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:32:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:32:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:32:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:32:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:32:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:32:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:32:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:32:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:32:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:32:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:32:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 15:32:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 15:32:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 15:32:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 15:32:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 15:32:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:32:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 15:32:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 15:32:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:32:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 15:32:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 15:32:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 15:32:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 15:32:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 15:32:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 15:32:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,453 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:32:44,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:32:44,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981596751] [2021-12-18 15:32:44,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981596751] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:32:44,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:32:44,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:32:44,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625559532] [2021-12-18 15:32:44,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:32:44,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:32:44,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:32:44,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:32:44,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:32:44,455 INFO L87 Difference]: Start difference. First operand 12696 states and 16967 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 15:32:48,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:50,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:04,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:33:04,105 INFO L93 Difference]: Finished difference Result 13473 states and 18186 transitions. [2021-12-18 15:33:04,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:33:04,105 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (29), 5 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 178 [2021-12-18 15:33:04,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:33:04,153 INFO L225 Difference]: With dead ends: 13473 [2021-12-18 15:33:04,153 INFO L226 Difference]: Without dead ends: 13471 [2021-12-18 15:33:04,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:33:04,167 INFO L933 BasicCegarLoop]: 3088 mSDtfsCounter, 7264 mSDsluCounter, 2631 mSDsCounter, 0 mSdLazyCounter, 4825 mSolverCounterSat, 5140 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7470 SdHoareTripleChecker+Valid, 5719 SdHoareTripleChecker+Invalid, 9967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5140 IncrementalHoareTripleChecker+Valid, 4825 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:33:04,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7470 Valid, 5719 Invalid, 9967 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5140 Valid, 4825 Invalid, 2 Unknown, 0 Unchecked, 18.2s Time] [2021-12-18 15:33:04,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13471 states. [2021-12-18 15:33:05,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13471 to 12694. [2021-12-18 15:33:05,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12694 states, 8290 states have (on average 1.2193003618817853) internal successors, (10108), 8516 states have internal predecessors, (10108), 3302 states have call successors, (3302), 1038 states have call predecessors, (3302), 1084 states have return successors, (3555), 3262 states have call predecessors, (3555), 3300 states have call successors, (3555) [2021-12-18 15:33:05,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12694 states to 12694 states and 16965 transitions. [2021-12-18 15:33:05,160 INFO L78 Accepts]: Start accepts. Automaton has 12694 states and 16965 transitions. Word has length 178 [2021-12-18 15:33:05,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:33:05,160 INFO L470 AbstractCegarLoop]: Abstraction has 12694 states and 16965 transitions. [2021-12-18 15:33:05,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 15:33:05,161 INFO L276 IsEmpty]: Start isEmpty. Operand 12694 states and 16965 transitions. [2021-12-18 15:33:05,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-12-18 15:33:05,179 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:33:05,179 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:33:05,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-18 15:33:05,180 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:33:05,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:33:05,180 INFO L85 PathProgramCache]: Analyzing trace with hash -813779825, now seen corresponding path program 1 times [2021-12-18 15:33:05,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:33:05,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598001059] [2021-12-18 15:33:05,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:33:05,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:33:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:33:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:33:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:33:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:33:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:33:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:33:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:33:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:33:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:33:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:33:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 15:33:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 15:33:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 15:33:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 15:33:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 15:33:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:33:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 15:33:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 15:33:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:33:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 15:33:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 15:33:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 15:33:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 15:33:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 15:33:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 15:33:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 15:33:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:05,445 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:33:05,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:33:05,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598001059] [2021-12-18 15:33:05,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598001059] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:33:05,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:33:05,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:33:05,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110957224] [2021-12-18 15:33:05,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:33:05,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:33:05,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:33:05,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:33:05,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:33:05,448 INFO L87 Difference]: Start difference. First operand 12694 states and 16965 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 15:33:09,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:11,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:25,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:33:25,025 INFO L93 Difference]: Finished difference Result 13471 states and 18184 transitions. [2021-12-18 15:33:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:33:25,026 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 184 [2021-12-18 15:33:25,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:33:25,087 INFO L225 Difference]: With dead ends: 13471 [2021-12-18 15:33:25,087 INFO L226 Difference]: Without dead ends: 13305 [2021-12-18 15:33:25,099 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:33:25,099 INFO L933 BasicCegarLoop]: 3086 mSDtfsCounter, 7253 mSDsluCounter, 2629 mSDsCounter, 0 mSdLazyCounter, 4821 mSolverCounterSat, 5143 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7459 SdHoareTripleChecker+Valid, 5715 SdHoareTripleChecker+Invalid, 9966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5143 IncrementalHoareTripleChecker+Valid, 4821 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:33:25,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7459 Valid, 5715 Invalid, 9966 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5143 Valid, 4821 Invalid, 2 Unknown, 0 Unchecked, 18.1s Time] [2021-12-18 15:33:25,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13305 states. [2021-12-18 15:33:25,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13305 to 12528. [2021-12-18 15:33:26,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12528 states, 8193 states have (on average 1.2212864640546808) internal successors, (10006), 8415 states have internal predecessors, (10006), 3255 states have call successors, (3255), 1018 states have call predecessors, (3255), 1063 states have return successors, (3506), 3217 states have call predecessors, (3506), 3251 states have call successors, (3506) [2021-12-18 15:33:26,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12528 states to 12528 states and 16767 transitions. [2021-12-18 15:33:26,055 INFO L78 Accepts]: Start accepts. Automaton has 12528 states and 16767 transitions. Word has length 184 [2021-12-18 15:33:26,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:33:26,055 INFO L470 AbstractCegarLoop]: Abstraction has 12528 states and 16767 transitions. [2021-12-18 15:33:26,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 15:33:26,056 INFO L276 IsEmpty]: Start isEmpty. Operand 12528 states and 16767 transitions. [2021-12-18 15:33:26,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-12-18 15:33:26,057 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:33:26,058 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:33:26,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-18 15:33:26,058 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:33:26,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:33:26,058 INFO L85 PathProgramCache]: Analyzing trace with hash -26513894, now seen corresponding path program 1 times [2021-12-18 15:33:26,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:33:26,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247656898] [2021-12-18 15:33:26,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:33:26,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:33:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:33:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:33:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:33:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:33:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 15:33:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 15:33:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 15:33:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:33:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:33:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:33:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:33:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:33:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:33:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:33:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:33:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:33:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:33:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 15:33:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 15:33:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:33:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 15:33:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:33:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 15:33:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:26,403 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2021-12-18 15:33:26,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:33:26,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247656898] [2021-12-18 15:33:26,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247656898] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:33:26,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:33:26,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 15:33:26,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182421662] [2021-12-18 15:33:26,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:33:26,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 15:33:26,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:33:26,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 15:33:26,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:33:26,405 INFO L87 Difference]: Start difference. First operand 12528 states and 16767 transitions. Second operand has 10 states, 10 states have (on average 9.8) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (29), 8 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-18 15:33:30,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:32,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:34,789 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:36,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:57,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:33:57,533 INFO L93 Difference]: Finished difference Result 14055 states and 19275 transitions. [2021-12-18 15:33:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 15:33:57,534 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (29), 8 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 233 [2021-12-18 15:33:57,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:33:57,574 INFO L225 Difference]: With dead ends: 14055 [2021-12-18 15:33:57,574 INFO L226 Difference]: Without dead ends: 14053 [2021-12-18 15:33:57,597 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2021-12-18 15:33:57,611 INFO L933 BasicCegarLoop]: 2898 mSDtfsCounter, 6970 mSDsluCounter, 5009 mSDsCounter, 0 mSdLazyCounter, 11120 mSolverCounterSat, 6512 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6970 SdHoareTripleChecker+Valid, 7907 SdHoareTripleChecker+Invalid, 17636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6512 IncrementalHoareTripleChecker+Valid, 11120 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:33:57,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6970 Valid, 7907 Invalid, 17636 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6512 Valid, 11120 Invalid, 4 Unknown, 0 Unchecked, 29.4s Time] [2021-12-18 15:33:57,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14053 states. [2021-12-18 15:33:58,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14053 to 12560. [2021-12-18 15:33:58,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12560 states, 8217 states have (on average 1.220640136302787) internal successors, (10030), 8439 states have internal predecessors, (10030), 3259 states have call successors, (3259), 1018 states have call predecessors, (3259), 1067 states have return successors, (3518), 3225 states have call predecessors, (3518), 3255 states have call successors, (3518) [2021-12-18 15:33:58,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12560 states to 12560 states and 16807 transitions. [2021-12-18 15:33:58,592 INFO L78 Accepts]: Start accepts. Automaton has 12560 states and 16807 transitions. Word has length 233 [2021-12-18 15:33:58,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:33:58,593 INFO L470 AbstractCegarLoop]: Abstraction has 12560 states and 16807 transitions. [2021-12-18 15:33:58,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (29), 8 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-18 15:33:58,593 INFO L276 IsEmpty]: Start isEmpty. Operand 12560 states and 16807 transitions. [2021-12-18 15:33:58,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-12-18 15:33:58,595 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:33:58,595 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-18 15:33:58,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-12-18 15:33:58,596 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:33:58,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:33:58,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1382738711, now seen corresponding path program 1 times [2021-12-18 15:33:58,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:33:58,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047151627] [2021-12-18 15:33:58,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:33:58,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:33:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:33:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:33:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:33:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:33:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:33:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:33:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:33:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:33:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 15:33:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:33:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:33:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:33:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:33:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:33:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:33:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:33:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:33:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:33:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:33:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:33:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 15:33:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:33:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 15:33:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:33:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:33:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 15:33:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-18 15:33:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:58,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 15:33:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:59,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:33:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:59,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 15:33:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:59,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:59,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 15:33:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:59,067 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2021-12-18 15:33:59,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:33:59,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047151627] [2021-12-18 15:33:59,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047151627] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:33:59,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:33:59,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 15:33:59,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864983159] [2021-12-18 15:33:59,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:33:59,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 15:33:59,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:33:59,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 15:33:59,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:33:59,069 INFO L87 Difference]: Start difference. First operand 12560 states and 16807 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 15:34:03,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:05,532 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:07,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:09,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:11,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:35,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:34:35,515 INFO L93 Difference]: Finished difference Result 26522 states and 36142 transitions. [2021-12-18 15:34:35,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:34:35,515 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 255 [2021-12-18 15:34:35,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:34:35,568 INFO L225 Difference]: With dead ends: 26522 [2021-12-18 15:34:35,568 INFO L226 Difference]: Without dead ends: 14021 [2021-12-18 15:34:35,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2021-12-18 15:34:35,613 INFO L933 BasicCegarLoop]: 2839 mSDtfsCounter, 4722 mSDsluCounter, 5564 mSDsCounter, 0 mSdLazyCounter, 11218 mSolverCounterSat, 4141 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4722 SdHoareTripleChecker+Valid, 8403 SdHoareTripleChecker+Invalid, 15364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4141 IncrementalHoareTripleChecker+Valid, 11218 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:34:35,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4722 Valid, 8403 Invalid, 15364 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4141 Valid, 11218 Invalid, 5 Unknown, 0 Unchecked, 34.5s Time] [2021-12-18 15:34:35,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14021 states. [2021-12-18 15:34:36,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14021 to 12576. [2021-12-18 15:34:36,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12576 states, 8229 states have (on average 1.2203183861951634) internal successors, (10042), 8451 states have internal predecessors, (10042), 3259 states have call successors, (3259), 1018 states have call predecessors, (3259), 1071 states have return successors, (3526), 3229 states have call predecessors, (3526), 3255 states have call successors, (3526) [2021-12-18 15:34:36,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12576 states to 12576 states and 16827 transitions. [2021-12-18 15:34:36,624 INFO L78 Accepts]: Start accepts. Automaton has 12576 states and 16827 transitions. Word has length 255 [2021-12-18 15:34:36,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:34:36,625 INFO L470 AbstractCegarLoop]: Abstraction has 12576 states and 16827 transitions. [2021-12-18 15:34:36,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 15:34:36,625 INFO L276 IsEmpty]: Start isEmpty. Operand 12576 states and 16827 transitions. [2021-12-18 15:34:36,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-12-18 15:34:36,627 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:34:36,627 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-18 15:34:36,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-12-18 15:34:36,628 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:34:36,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:34:36,628 INFO L85 PathProgramCache]: Analyzing trace with hash -346544274, now seen corresponding path program 1 times [2021-12-18 15:34:36,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:34:36,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376610752] [2021-12-18 15:34:36,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:34:36,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:34:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:34:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:34:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:34:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:34:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:34:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:34:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:34:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:34:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:34:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:34:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:34:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 15:34:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:34:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:34:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:34:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:34:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:34:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:34:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:34:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:34:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:34:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:34:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:34:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:34:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:34:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:34:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:34:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 15:34:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:34:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 15:34:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:34:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:34:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:34:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:34:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 15:34:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:36,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 15:34:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:37,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:34:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:37,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 15:34:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:37,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:34:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:37,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 15:34:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:37,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:34:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:37,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-18 15:34:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2021-12-18 15:34:37,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:34:37,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376610752] [2021-12-18 15:34:37,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376610752] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:34:37,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:34:37,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 15:34:37,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105985473] [2021-12-18 15:34:37,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:34:37,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 15:34:37,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:34:37,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 15:34:37,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:34:37,071 INFO L87 Difference]: Start difference. First operand 12576 states and 16827 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 15:34:41,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:43,584 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:45,610 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:47,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:11,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:35:11,209 INFO L93 Difference]: Finished difference Result 24919 states and 33570 transitions. [2021-12-18 15:35:11,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 15:35:11,209 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 257 [2021-12-18 15:35:11,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:35:11,258 INFO L225 Difference]: With dead ends: 24919 [2021-12-18 15:35:11,258 INFO L226 Difference]: Without dead ends: 14201 [2021-12-18 15:35:11,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2021-12-18 15:35:11,289 INFO L933 BasicCegarLoop]: 2869 mSDtfsCounter, 5494 mSDsluCounter, 5189 mSDsCounter, 0 mSdLazyCounter, 9983 mSolverCounterSat, 5068 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5494 SdHoareTripleChecker+Valid, 8058 SdHoareTripleChecker+Invalid, 15055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5068 IncrementalHoareTripleChecker+Valid, 9983 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:35:11,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5494 Valid, 8058 Invalid, 15055 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5068 Valid, 9983 Invalid, 4 Unknown, 0 Unchecked, 32.1s Time] [2021-12-18 15:35:11,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14201 states. [2021-12-18 15:35:12,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14201 to 12664. [2021-12-18 15:35:12,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12664 states, 8301 states have (on average 1.2203348994097096) internal successors, (10130), 8523 states have internal predecessors, (10130), 3271 states have call successors, (3271), 1022 states have call predecessors, (3271), 1075 states have return successors, (3538), 3241 states have call predecessors, (3538), 3267 states have call successors, (3538) [2021-12-18 15:35:12,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12664 states to 12664 states and 16939 transitions. [2021-12-18 15:35:12,288 INFO L78 Accepts]: Start accepts. Automaton has 12664 states and 16939 transitions. Word has length 257 [2021-12-18 15:35:12,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:35:12,288 INFO L470 AbstractCegarLoop]: Abstraction has 12664 states and 16939 transitions. [2021-12-18 15:35:12,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 15:35:12,289 INFO L276 IsEmpty]: Start isEmpty. Operand 12664 states and 16939 transitions. [2021-12-18 15:35:12,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-12-18 15:35:12,291 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:35:12,292 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-18 15:35:12,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-12-18 15:35:12,292 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:35:12,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:35:12,293 INFO L85 PathProgramCache]: Analyzing trace with hash -856017364, now seen corresponding path program 1 times [2021-12-18 15:35:12,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:35:12,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939627091] [2021-12-18 15:35:12,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:35:12,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:35:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:35:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:35:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:35:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:35:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:35:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:35:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:35:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:35:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 15:35:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:35:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:35:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:35:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:35:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:35:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:35:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:35:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:35:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:35:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:35:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:35:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 15:35:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:35:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 15:35:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:35:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:35:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 15:35:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 15:35:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 15:35:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:35:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 15:35:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-18 15:35:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:12,696 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2021-12-18 15:35:12,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:35:12,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939627091] [2021-12-18 15:35:12,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939627091] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:35:12,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:35:12,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 15:35:12,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172661792] [2021-12-18 15:35:12,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:35:12,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 15:35:12,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:35:12,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 15:35:12,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:35:12,698 INFO L87 Difference]: Start difference. First operand 12664 states and 16939 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 15:35:16,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:18,869 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:20,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:22,891 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:43,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:35:43,874 INFO L93 Difference]: Finished difference Result 26730 states and 36414 transitions. [2021-12-18 15:35:43,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 15:35:43,878 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 257 [2021-12-18 15:35:43,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:35:43,930 INFO L225 Difference]: With dead ends: 26730 [2021-12-18 15:35:43,930 INFO L226 Difference]: Without dead ends: 14125 [2021-12-18 15:35:43,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2021-12-18 15:35:43,969 INFO L933 BasicCegarLoop]: 2840 mSDtfsCounter, 5433 mSDsluCounter, 5186 mSDsCounter, 0 mSdLazyCounter, 9864 mSolverCounterSat, 5070 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5433 SdHoareTripleChecker+Valid, 8026 SdHoareTripleChecker+Invalid, 14938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5070 IncrementalHoareTripleChecker+Valid, 9864 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:35:43,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5433 Valid, 8026 Invalid, 14938 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5070 Valid, 9864 Invalid, 4 Unknown, 0 Unchecked, 29.3s Time] [2021-12-18 15:35:43,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14125 states. [2021-12-18 15:35:44,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14125 to 12672. [2021-12-18 15:35:44,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12672 states, 8305 states have (on average 1.2202287778446719) internal successors, (10134), 8531 states have internal predecessors, (10134), 3271 states have call successors, (3271), 1022 states have call predecessors, (3271), 1079 states have return successors, (3546), 3241 states have call predecessors, (3546), 3267 states have call successors, (3546) [2021-12-18 15:35:44,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12672 states to 12672 states and 16951 transitions. [2021-12-18 15:35:44,966 INFO L78 Accepts]: Start accepts. Automaton has 12672 states and 16951 transitions. Word has length 257 [2021-12-18 15:35:44,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:35:44,966 INFO L470 AbstractCegarLoop]: Abstraction has 12672 states and 16951 transitions. [2021-12-18 15:35:44,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 15:35:44,967 INFO L276 IsEmpty]: Start isEmpty. Operand 12672 states and 16951 transitions. [2021-12-18 15:35:44,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-12-18 15:35:44,969 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:35:44,969 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:35:44,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-12-18 15:35:44,970 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:35:44,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:35:44,970 INFO L85 PathProgramCache]: Analyzing trace with hash -578570640, now seen corresponding path program 1 times [2021-12-18 15:35:44,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:35:44,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976963886] [2021-12-18 15:35:44,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:35:44,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:35:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:35:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:35:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:35:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:35:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 15:35:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 15:35:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 15:35:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:35:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:35:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:35:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:35:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:35:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:35:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:35:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:35:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:35:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:35:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 15:35:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 15:35:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:35:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 15:35:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 15:35:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 15:35:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 15:35:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 15:35:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-18 15:35:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-18 15:35:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:45,527 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2021-12-18 15:35:45,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:35:45,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976963886] [2021-12-18 15:35:45,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976963886] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:35:45,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197421962] [2021-12-18 15:35:45,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:35:45,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:35:45,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:35:45,529 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 15:35:45,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 15:35:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:46,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 3813 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-18 15:35:46,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:35:47,654 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2021-12-18 15:35:47,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:35:47,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197421962] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:35:47,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 15:35:47,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [12] total 25 [2021-12-18 15:35:47,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519338919] [2021-12-18 15:35:47,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:35:47,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-18 15:35:47,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:35:47,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-18 15:35:47,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=550, Unknown=0, NotChecked=0, Total=600 [2021-12-18 15:35:47,656 INFO L87 Difference]: Start difference. First operand 12672 states and 16951 transitions. Second operand has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 13 states have internal predecessors, (113), 6 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) [2021-12-18 15:35:50,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:35:50,788 INFO L93 Difference]: Finished difference Result 26480 states and 35641 transitions. [2021-12-18 15:35:50,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-18 15:35:50,789 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 13 states have internal predecessors, (113), 6 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) Word has length 265 [2021-12-18 15:35:50,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:35:50,837 INFO L225 Difference]: With dead ends: 26480 [2021-12-18 15:35:50,837 INFO L226 Difference]: Without dead ends: 13863 [2021-12-18 15:35:50,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=124, Invalid=1066, Unknown=0, NotChecked=0, Total=1190 [2021-12-18 15:35:50,871 INFO L933 BasicCegarLoop]: 3825 mSDtfsCounter, 1176 mSDsluCounter, 47859 mSDsCounter, 0 mSdLazyCounter, 999 mSolverCounterSat, 707 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1176 SdHoareTripleChecker+Valid, 51684 SdHoareTripleChecker+Invalid, 1706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 707 IncrementalHoareTripleChecker+Valid, 999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:35:50,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1176 Valid, 51684 Invalid, 1706 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [707 Valid, 999 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-18 15:35:50,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13863 states. [2021-12-18 15:35:52,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13863 to 12740. [2021-12-18 15:35:52,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12740 states, 8353 states have (on average 1.218963246737699) internal successors, (10182), 8579 states have internal predecessors, (10182), 3287 states have call successors, (3287), 1022 states have call predecessors, (3287), 1083 states have return successors, (3570), 3261 states have call predecessors, (3570), 3283 states have call successors, (3570) [2021-12-18 15:35:52,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12740 states to 12740 states and 17039 transitions. [2021-12-18 15:35:52,197 INFO L78 Accepts]: Start accepts. Automaton has 12740 states and 17039 transitions. Word has length 265 [2021-12-18 15:35:52,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:35:52,198 INFO L470 AbstractCegarLoop]: Abstraction has 12740 states and 17039 transitions. [2021-12-18 15:35:52,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 13 states have internal predecessors, (113), 6 states have call successors, (35), 2 states have call predecessors, (35), 5 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) [2021-12-18 15:35:52,198 INFO L276 IsEmpty]: Start isEmpty. Operand 12740 states and 17039 transitions. [2021-12-18 15:35:52,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-12-18 15:35:52,202 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:35:52,202 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:35:52,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-18 15:35:52,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:35:52,424 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:35:52,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:35:52,424 INFO L85 PathProgramCache]: Analyzing trace with hash 2014805063, now seen corresponding path program 1 times [2021-12-18 15:35:52,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:35:52,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590419979] [2021-12-18 15:35:52,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:35:52,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:35:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:35:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:35:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 15:35:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 15:35:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 15:35:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 15:35:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 15:35:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:35:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:35:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:35:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:35:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:35:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:35:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:35:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:35:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:35:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:35:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 15:35:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 15:35:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:35:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-18 15:35:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 15:35:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-18 15:35:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 15:35:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-18 15:35:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-18 15:35:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-18 15:35:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-18 15:35:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:52,946 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2021-12-18 15:35:52,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:35:52,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590419979] [2021-12-18 15:35:52,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590419979] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:35:52,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906601040] [2021-12-18 15:35:52,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:35:52,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:35:52,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:35:52,948 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 15:35:52,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-18 15:35:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:54,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 3911 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-18 15:35:54,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:35:55,417 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2021-12-18 15:35:55,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:35:55,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906601040] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:35:55,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 15:35:55,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [13] total 27 [2021-12-18 15:35:55,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485485167] [2021-12-18 15:35:55,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:35:55,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-18 15:35:55,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:35:55,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-18 15:35:55,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2021-12-18 15:35:55,419 INFO L87 Difference]: Start difference. First operand 12740 states and 17039 transitions. Second operand has 16 states, 15 states have (on average 8.066666666666666) internal successors, (121), 14 states have internal predecessors, (121), 7 states have call successors, (36), 2 states have call predecessors, (36), 5 states have return successors, (32), 8 states have call predecessors, (32), 7 states have call successors, (32) [2021-12-18 15:35:59,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:35:59,081 INFO L93 Difference]: Finished difference Result 26740 states and 36009 transitions. [2021-12-18 15:35:59,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-18 15:35:59,082 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.066666666666666) internal successors, (121), 14 states have internal predecessors, (121), 7 states have call successors, (36), 2 states have call predecessors, (36), 5 states have return successors, (32), 8 states have call predecessors, (32), 7 states have call successors, (32) Word has length 275 [2021-12-18 15:35:59,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:35:59,141 INFO L225 Difference]: With dead ends: 26740 [2021-12-18 15:35:59,141 INFO L226 Difference]: Without dead ends: 14055 [2021-12-18 15:35:59,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=135, Invalid=1271, Unknown=0, NotChecked=0, Total=1406 [2021-12-18 15:35:59,180 INFO L933 BasicCegarLoop]: 3853 mSDtfsCounter, 1188 mSDsluCounter, 52021 mSDsCounter, 0 mSdLazyCounter, 1126 mSolverCounterSat, 712 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1200 SdHoareTripleChecker+Valid, 55874 SdHoareTripleChecker+Invalid, 1838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 712 IncrementalHoareTripleChecker+Valid, 1126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:35:59,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1200 Valid, 55874 Invalid, 1838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [712 Valid, 1126 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-18 15:35:59,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14055 states. [2021-12-18 15:36:00,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14055 to 12832. [2021-12-18 15:36:00,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12832 states, 8393 states have (on average 1.218396282616466) internal successors, (10226), 8627 states have internal predecessors, (10226), 3339 states have call successors, (3339), 1022 states have call predecessors, (3339), 1083 states have return successors, (3622), 3313 states have call predecessors, (3622), 3335 states have call successors, (3622) [2021-12-18 15:36:00,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12832 states to 12832 states and 17187 transitions. [2021-12-18 15:36:00,257 INFO L78 Accepts]: Start accepts. Automaton has 12832 states and 17187 transitions. Word has length 275 [2021-12-18 15:36:00,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:36:00,258 INFO L470 AbstractCegarLoop]: Abstraction has 12832 states and 17187 transitions. [2021-12-18 15:36:00,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.066666666666666) internal successors, (121), 14 states have internal predecessors, (121), 7 states have call successors, (36), 2 states have call predecessors, (36), 5 states have return successors, (32), 8 states have call predecessors, (32), 7 states have call successors, (32) [2021-12-18 15:36:00,258 INFO L276 IsEmpty]: Start isEmpty. Operand 12832 states and 17187 transitions. [2021-12-18 15:36:00,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-12-18 15:36:00,261 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:36:00,261 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:36:00,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-18 15:36:00,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:36:00,468 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:36:00,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:36:00,469 INFO L85 PathProgramCache]: Analyzing trace with hash 2113338512, now seen corresponding path program 1 times [2021-12-18 15:36:00,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:36:00,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265044055] [2021-12-18 15:36:00,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:36:00,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:36:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:00,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:36:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:00,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:36:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:00,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:00,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:00,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:36:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:36:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:36:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:36:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:36:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:36:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 15:36:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:36:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:36:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:36:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:36:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:36:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:36:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:36:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:36:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:36:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:36:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:36:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 15:36:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:36:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 15:36:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:36:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:36:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 15:36:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 15:36:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 15:36:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:36:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-18 15:36:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 15:36:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-18 15:36:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-18 15:36:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:01,204 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2021-12-18 15:36:01,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:36:01,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265044055] [2021-12-18 15:36:01,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265044055] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:36:01,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:36:01,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 15:36:01,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385788942] [2021-12-18 15:36:01,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:36:01,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 15:36:01,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:36:01,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 15:36:01,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:36:01,207 INFO L87 Difference]: Start difference. First operand 12832 states and 17187 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (41), 7 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-18 15:36:04,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:36:32,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:36:32,214 INFO L93 Difference]: Finished difference Result 18157 states and 25082 transitions. [2021-12-18 15:36:32,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-18 15:36:32,214 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (41), 7 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 286 [2021-12-18 15:36:32,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:36:32,275 INFO L225 Difference]: With dead ends: 18157 [2021-12-18 15:36:32,275 INFO L226 Difference]: Without dead ends: 18155 [2021-12-18 15:36:32,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=344, Unknown=0, NotChecked=0, Total=506 [2021-12-18 15:36:32,287 INFO L933 BasicCegarLoop]: 3007 mSDtfsCounter, 9157 mSDsluCounter, 4476 mSDsCounter, 0 mSdLazyCounter, 10927 mSolverCounterSat, 7439 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9306 SdHoareTripleChecker+Valid, 7483 SdHoareTripleChecker+Invalid, 18367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7439 IncrementalHoareTripleChecker+Valid, 10927 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:36:32,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9306 Valid, 7483 Invalid, 18367 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7439 Valid, 10927 Invalid, 1 Unknown, 0 Unchecked, 28.8s Time] [2021-12-18 15:36:32,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18155 states. [2021-12-18 15:36:33,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18155 to 15884. [2021-12-18 15:36:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15884 states, 10529 states have (on average 1.2272770443536898) internal successors, (12922), 10851 states have internal predecessors, (12922), 3863 states have call successors, (3863), 1342 states have call predecessors, (3863), 1475 states have return successors, (4538), 3849 states have call predecessors, (4538), 3859 states have call successors, (4538) [2021-12-18 15:36:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15884 states to 15884 states and 21323 transitions. [2021-12-18 15:36:33,679 INFO L78 Accepts]: Start accepts. Automaton has 15884 states and 21323 transitions. Word has length 286 [2021-12-18 15:36:33,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:36:33,680 INFO L470 AbstractCegarLoop]: Abstraction has 15884 states and 21323 transitions. [2021-12-18 15:36:33,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (41), 7 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-18 15:36:33,680 INFO L276 IsEmpty]: Start isEmpty. Operand 15884 states and 21323 transitions. [2021-12-18 15:36:33,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-12-18 15:36:33,684 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:36:33,685 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-18 15:36:33,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-12-18 15:36:33,685 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:36:33,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:36:33,686 INFO L85 PathProgramCache]: Analyzing trace with hash -682838866, now seen corresponding path program 1 times [2021-12-18 15:36:33,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:36:33,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4354750] [2021-12-18 15:36:33,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:36:33,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:36:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:36:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:36:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:36:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:36:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:36:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:36:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:36:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:36:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 15:36:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:36:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:36:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:36:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:36:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:36:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:33,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:36:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:36:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:36:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:36:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:36:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:36:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 15:36:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:36:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 15:36:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:36:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 15:36:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:36:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 15:36:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 15:36:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:36:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 15:36:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 15:36:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 15:36:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 15:36:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 15:36:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 15:36:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:34,139 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2021-12-18 15:36:34,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:36:34,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4354750] [2021-12-18 15:36:34,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4354750] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:36:34,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:36:34,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 15:36:34,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258088869] [2021-12-18 15:36:34,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:36:34,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 15:36:34,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:36:34,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 15:36:34,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:36:34,142 INFO L87 Difference]: Start difference. First operand 15884 states and 21323 transitions. Second operand has 8 states, 8 states have (on average 17.375) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (43), 7 states have call predecessors, (43), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-18 15:36:38,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:36:40,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:36:56,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:36:56,914 INFO L93 Difference]: Finished difference Result 33582 states and 45737 transitions. [2021-12-18 15:36:56,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:36:56,915 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.375) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (43), 7 states have call predecessors, (43), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 310 [2021-12-18 15:36:56,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:36:56,976 INFO L225 Difference]: With dead ends: 33582 [2021-12-18 15:36:56,977 INFO L226 Difference]: Without dead ends: 17757 [2021-12-18 15:36:57,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2021-12-18 15:36:57,030 INFO L933 BasicCegarLoop]: 2912 mSDtfsCounter, 6866 mSDsluCounter, 2976 mSDsCounter, 0 mSdLazyCounter, 5998 mSolverCounterSat, 6472 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6866 SdHoareTripleChecker+Valid, 5888 SdHoareTripleChecker+Invalid, 12472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6472 IncrementalHoareTripleChecker+Valid, 5998 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2021-12-18 15:36:57,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6866 Valid, 5888 Invalid, 12472 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6472 Valid, 5998 Invalid, 2 Unknown, 0 Unchecked, 20.7s Time] [2021-12-18 15:36:57,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17757 states. [2021-12-18 15:36:58,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17757 to 15888. [2021-12-18 15:36:58,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15888 states, 10533 states have (on average 1.2271907338839836) internal successors, (12926), 10855 states have internal predecessors, (12926), 3863 states have call successors, (3863), 1342 states have call predecessors, (3863), 1475 states have return successors, (4538), 3849 states have call predecessors, (4538), 3859 states have call successors, (4538) [2021-12-18 15:36:58,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15888 states to 15888 states and 21327 transitions. [2021-12-18 15:36:58,422 INFO L78 Accepts]: Start accepts. Automaton has 15888 states and 21327 transitions. Word has length 310 [2021-12-18 15:36:58,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:36:58,422 INFO L470 AbstractCegarLoop]: Abstraction has 15888 states and 21327 transitions. [2021-12-18 15:36:58,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.375) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (43), 7 states have call predecessors, (43), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-18 15:36:58,423 INFO L276 IsEmpty]: Start isEmpty. Operand 15888 states and 21327 transitions. [2021-12-18 15:36:58,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-12-18 15:36:58,426 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:36:58,426 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-18 15:36:58,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-12-18 15:36:58,426 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:36:58,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:36:58,427 INFO L85 PathProgramCache]: Analyzing trace with hash -408079252, now seen corresponding path program 1 times [2021-12-18 15:36:58,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:36:58,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535594744] [2021-12-18 15:36:58,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:36:58,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:36:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:36:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:36:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:36:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:36:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:36:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:36:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:36:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:36:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 15:36:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:36:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:36:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:36:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:36:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:36:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:36:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:36:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:36:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:36:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:36:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:36:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 15:36:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:36:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 15:36:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:36:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 15:36:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:36:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 15:36:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 15:36:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:36:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 15:36:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 15:36:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 15:36:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 15:36:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:36:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 15:36:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 15:36:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:36:58,911 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2021-12-18 15:36:58,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:36:58,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535594744] [2021-12-18 15:36:58,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535594744] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:36:58,912 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:36:58,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 15:36:58,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691839022] [2021-12-18 15:36:58,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:36:58,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 15:36:58,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:36:58,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 15:36:58,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:36:58,914 INFO L87 Difference]: Start difference. First operand 15888 states and 21327 transitions. Second operand has 10 states, 10 states have (on average 13.9) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (43), 8 states have call predecessors, (43), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-18 15:37:03,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:37:05,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:37:07,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:37:29,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:37:29,370 INFO L93 Difference]: Finished difference Result 17909 states and 24560 transitions. [2021-12-18 15:37:29,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-18 15:37:29,371 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.9) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (43), 8 states have call predecessors, (43), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 310 [2021-12-18 15:37:29,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:37:29,425 INFO L225 Difference]: With dead ends: 17909 [2021-12-18 15:37:29,425 INFO L226 Difference]: Without dead ends: 17907 [2021-12-18 15:37:29,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2021-12-18 15:37:29,436 INFO L933 BasicCegarLoop]: 2918 mSDtfsCounter, 9239 mSDsluCounter, 4349 mSDsCounter, 0 mSdLazyCounter, 8501 mSolverCounterSat, 7664 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9398 SdHoareTripleChecker+Valid, 7267 SdHoareTripleChecker+Invalid, 16168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7664 IncrementalHoareTripleChecker+Valid, 8501 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:37:29,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9398 Valid, 7267 Invalid, 16168 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7664 Valid, 8501 Invalid, 3 Unknown, 0 Unchecked, 28.3s Time] [2021-12-18 15:37:29,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17907 states. [2021-12-18 15:37:30,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17907 to 16036. [2021-12-18 15:37:30,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16036 states, 10641 states have (on average 1.2256366882811767) internal successors, (13042), 10963 states have internal predecessors, (13042), 3863 states have call successors, (3863), 1382 states have call predecessors, (3863), 1515 states have return successors, (4538), 3849 states have call predecessors, (4538), 3859 states have call successors, (4538) [2021-12-18 15:37:30,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16036 states to 16036 states and 21443 transitions. [2021-12-18 15:37:30,831 INFO L78 Accepts]: Start accepts. Automaton has 16036 states and 21443 transitions. Word has length 310 [2021-12-18 15:37:30,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:37:30,831 INFO L470 AbstractCegarLoop]: Abstraction has 16036 states and 21443 transitions. [2021-12-18 15:37:30,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.9) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (43), 8 states have call predecessors, (43), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-18 15:37:30,832 INFO L276 IsEmpty]: Start isEmpty. Operand 16036 states and 21443 transitions. [2021-12-18 15:37:30,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-12-18 15:37:30,835 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:37:30,835 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-18 15:37:30,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-12-18 15:37:30,836 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-18 15:37:30,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:37:30,837 INFO L85 PathProgramCache]: Analyzing trace with hash -634294064, now seen corresponding path program 1 times [2021-12-18 15:37:30,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:37:30,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149000343] [2021-12-18 15:37:30,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:37:30,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:37:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:37:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:37:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:37:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:37:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:37:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 15:37:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 15:37:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:37:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:37:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 15:37:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:37:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 15:37:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:37:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:37:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:37:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:37:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:37:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:37:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:37:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:37:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:37:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:37:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:37:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:37:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:37:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:37:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:37:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 15:37:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:37:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 15:37:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:37:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:37:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:37:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:37:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 15:37:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-18 15:37:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:37:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 15:37:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:37:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 15:37:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-18 15:37:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:37:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-18 15:37:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:37:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:37:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:37:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:37:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 15:37:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-18 15:37:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:37:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:37:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:37:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 15:37:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 15:37:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:37:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-18 15:37:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:37:31,439 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2021-12-18 15:37:31,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:37:31,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149000343] [2021-12-18 15:37:31,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149000343] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:37:31,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:37:31,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-18 15:37:31,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800394838] [2021-12-18 15:37:31,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:37:31,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 15:37:31,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:37:31,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 15:37:31,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-18 15:37:31,441 INFO L87 Difference]: Start difference. First operand 16036 states and 21443 transitions. Second operand has 11 states, 11 states have (on average 12.090909090909092) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (52), 9 states have call predecessors, (52), 3 states have return successors, (45), 2 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 15:37:36,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15