./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.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 a88d6e7bf2b158373436b40548cbe71d2b3a1f454b281f07c3b1b175d00e8682 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 15:46:37,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 15:46:37,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 15:46:37,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 15:46:37,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 15:46:37,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 15:46:37,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 15:46:37,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 15:46:37,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 15:46:37,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 15:46:37,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 15:46:37,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 15:46:37,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 15:46:37,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 15:46:37,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 15:46:37,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 15:46:37,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 15:46:37,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 15:46:37,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 15:46:37,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 15:46:37,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 15:46:37,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 15:46:37,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 15:46:37,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 15:46:37,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 15:46:37,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 15:46:37,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 15:46:37,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 15:46:37,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 15:46:37,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 15:46:37,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 15:46:37,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 15:46:37,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 15:46:37,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 15:46:37,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 15:46:37,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 15:46:37,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 15:46:37,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 15:46:37,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 15:46:37,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 15:46:37,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 15:46:37,566 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 15:46:37,593 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 15:46:37,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 15:46:37,594 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 15:46:37,594 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 15:46:37,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 15:46:37,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 15:46:37,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 15:46:37,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 15:46:37,596 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 15:46:37,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 15:46:37,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 15:46:37,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 15:46:37,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 15:46:37,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 15:46:37,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 15:46:37,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 15:46:37,598 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 15:46:37,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 15:46:37,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 15:46:37,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 15:46:37,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 15:46:37,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 15:46:37,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 15:46:37,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 15:46:37,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 15:46:37,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 15:46:37,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 15:46:37,602 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 15:46:37,602 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 15:46:37,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 15:46:37,602 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 15:46:37,602 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a88d6e7bf2b158373436b40548cbe71d2b3a1f454b281f07c3b1b175d00e8682 [2021-12-18 15:46:37,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 15:46:37,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 15:46:37,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 15:46:37,842 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 15:46:37,843 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 15:46:37,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i [2021-12-18 15:46:37,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/891d8491f/4b4f404a52db4d7d9427f6cde5b67337/FLAG0da574e2d [2021-12-18 15:46:38,582 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 15:46:38,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i [2021-12-18 15:46:38,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/891d8491f/4b4f404a52db4d7d9427f6cde5b67337/FLAG0da574e2d [2021-12-18 15:46:38,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/891d8491f/4b4f404a52db4d7d9427f6cde5b67337 [2021-12-18 15:46:38,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 15:46:38,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 15:46:38,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 15:46:38,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 15:46:38,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 15:46:38,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:46:38" (1/1) ... [2021-12-18 15:46:38,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4634420a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:46:38, skipping insertion in model container [2021-12-18 15:46:38,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:46:38" (1/1) ... [2021-12-18 15:46:38,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 15:46:39,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 15:46:41,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410486,410499] [2021-12-18 15:46:41,895 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410631,410644] [2021-12-18 15:46:41,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410777,410790] [2021-12-18 15:46:41,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410942,410955] [2021-12-18 15:46:41,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411100,411113] [2021-12-18 15:46:41,898 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411258,411271] [2021-12-18 15:46:41,898 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411416,411429] [2021-12-18 15:46:41,898 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411576,411589] [2021-12-18 15:46:41,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411735,411748] [2021-12-18 15:46:41,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411874,411887] [2021-12-18 15:46:41,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412016,412029] [2021-12-18 15:46:41,900 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412165,412178] [2021-12-18 15:46:41,900 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412304,412317] [2021-12-18 15:46:41,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412459,412472] [2021-12-18 15:46:41,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412619,412632] [2021-12-18 15:46:41,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412770,412783] [2021-12-18 15:46:41,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412921,412934] [2021-12-18 15:46:41,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413073,413086] [2021-12-18 15:46:41,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413222,413235] [2021-12-18 15:46:41,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413370,413383] [2021-12-18 15:46:41,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413527,413540] [2021-12-18 15:46:41,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413676,413689] [2021-12-18 15:46:41,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413832,413845] [2021-12-18 15:46:41,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413985,413998] [2021-12-18 15:46:41,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414131,414144] [2021-12-18 15:46:41,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414274,414287] [2021-12-18 15:46:41,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414426,414439] [2021-12-18 15:46:41,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414572,414585] [2021-12-18 15:46:41,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414717,414730] [2021-12-18 15:46:41,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414871,414884] [2021-12-18 15:46:41,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415022,415035] [2021-12-18 15:46:41,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415177,415190] [2021-12-18 15:46:41,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415329,415342] [2021-12-18 15:46:41,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415484,415497] [2021-12-18 15:46:41,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415648,415661] [2021-12-18 15:46:41,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415804,415817] [2021-12-18 15:46:41,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415968,415981] [2021-12-18 15:46:41,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416110,416123] [2021-12-18 15:46:41,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416268,416281] [2021-12-18 15:46:41,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416435,416448] [2021-12-18 15:46:41,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416594,416607] [2021-12-18 15:46:41,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416753,416766] [2021-12-18 15:46:41,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416902,416915] [2021-12-18 15:46:41,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417049,417062] [2021-12-18 15:46:41,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417188,417201] [2021-12-18 15:46:41,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417351,417364] [2021-12-18 15:46:41,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417517,417530] [2021-12-18 15:46:41,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417681,417694] [2021-12-18 15:46:41,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417846,417859] [2021-12-18 15:46:41,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418011,418024] [2021-12-18 15:46:41,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418177,418190] [2021-12-18 15:46:41,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418342,418355] [2021-12-18 15:46:41,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418509,418522] [2021-12-18 15:46:41,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418669,418682] [2021-12-18 15:46:41,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418831,418844] [2021-12-18 15:46:41,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418990,419003] [2021-12-18 15:46:41,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419136,419149] [2021-12-18 15:46:41,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419279,419292] [2021-12-18 15:46:41,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419423,419436] [2021-12-18 15:46:41,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419566,419579] [2021-12-18 15:46:41,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419710,419723] [2021-12-18 15:46:41,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419851,419864] [2021-12-18 15:46:41,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419989,420002] [2021-12-18 15:46:41,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420147,420160] [2021-12-18 15:46:41,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420306,420319] [2021-12-18 15:46:41,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420462,420475] [2021-12-18 15:46:41,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420611,420624] [2021-12-18 15:46:41,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420763,420776] [2021-12-18 15:46:41,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420914,420927] [2021-12-18 15:46:41,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421063,421076] [2021-12-18 15:46:41,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421215,421228] [2021-12-18 15:46:41,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421363,421376] [2021-12-18 15:46:41,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421516,421529] [2021-12-18 15:46:41,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421667,421680] [2021-12-18 15:46:41,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421817,421830] [2021-12-18 15:46:41,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421964,421977] [2021-12-18 15:46:41,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422115,422128] [2021-12-18 15:46:41,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422266,422279] [2021-12-18 15:46:41,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422414,422427] [2021-12-18 15:46:41,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422580,422593] [2021-12-18 15:46:41,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422749,422762] [2021-12-18 15:46:41,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422916,422929] [2021-12-18 15:46:41,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423084,423097] [2021-12-18 15:46:41,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423234,423247] [2021-12-18 15:46:41,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423381,423394] [2021-12-18 15:46:41,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423542,423555] [2021-12-18 15:46:41,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423712,423725] [2021-12-18 15:46:41,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423874,423887] [2021-12-18 15:46:41,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 15:46:41,999 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 15:46:42,250 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410486,410499] [2021-12-18 15:46:42,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410631,410644] [2021-12-18 15:46:42,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410777,410790] [2021-12-18 15:46:42,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410942,410955] [2021-12-18 15:46:42,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411100,411113] [2021-12-18 15:46:42,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411258,411271] [2021-12-18 15:46:42,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411416,411429] [2021-12-18 15:46:42,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411576,411589] [2021-12-18 15:46:42,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411735,411748] [2021-12-18 15:46:42,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411874,411887] [2021-12-18 15:46:42,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412016,412029] [2021-12-18 15:46:42,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412165,412178] [2021-12-18 15:46:42,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412304,412317] [2021-12-18 15:46:42,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412459,412472] [2021-12-18 15:46:42,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412619,412632] [2021-12-18 15:46:42,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412770,412783] [2021-12-18 15:46:42,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412921,412934] [2021-12-18 15:46:42,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413073,413086] [2021-12-18 15:46:42,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413222,413235] [2021-12-18 15:46:42,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413370,413383] [2021-12-18 15:46:42,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413527,413540] [2021-12-18 15:46:42,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413676,413689] [2021-12-18 15:46:42,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413832,413845] [2021-12-18 15:46:42,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413985,413998] [2021-12-18 15:46:42,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414131,414144] [2021-12-18 15:46:42,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414274,414287] [2021-12-18 15:46:42,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414426,414439] [2021-12-18 15:46:42,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414572,414585] [2021-12-18 15:46:42,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414717,414730] [2021-12-18 15:46:42,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414871,414884] [2021-12-18 15:46:42,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415022,415035] [2021-12-18 15:46:42,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415177,415190] [2021-12-18 15:46:42,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415329,415342] [2021-12-18 15:46:42,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415484,415497] [2021-12-18 15:46:42,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415648,415661] [2021-12-18 15:46:42,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415804,415817] [2021-12-18 15:46:42,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415968,415981] [2021-12-18 15:46:42,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416110,416123] [2021-12-18 15:46:42,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416268,416281] [2021-12-18 15:46:42,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416435,416448] [2021-12-18 15:46:42,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416594,416607] [2021-12-18 15:46:42,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416753,416766] [2021-12-18 15:46:42,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416902,416915] [2021-12-18 15:46:42,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417049,417062] [2021-12-18 15:46:42,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417188,417201] [2021-12-18 15:46:42,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417351,417364] [2021-12-18 15:46:42,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417517,417530] [2021-12-18 15:46:42,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417681,417694] [2021-12-18 15:46:42,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417846,417859] [2021-12-18 15:46:42,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418011,418024] [2021-12-18 15:46:42,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418177,418190] [2021-12-18 15:46:42,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418342,418355] [2021-12-18 15:46:42,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418509,418522] [2021-12-18 15:46:42,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418669,418682] [2021-12-18 15:46:42,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418831,418844] [2021-12-18 15:46:42,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418990,419003] [2021-12-18 15:46:42,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419136,419149] [2021-12-18 15:46:42,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419279,419292] [2021-12-18 15:46:42,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419423,419436] [2021-12-18 15:46:42,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419566,419579] [2021-12-18 15:46:42,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419710,419723] [2021-12-18 15:46:42,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419851,419864] [2021-12-18 15:46:42,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419989,420002] [2021-12-18 15:46:42,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420147,420160] [2021-12-18 15:46:42,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420306,420319] [2021-12-18 15:46:42,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420462,420475] [2021-12-18 15:46:42,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420611,420624] [2021-12-18 15:46:42,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420763,420776] [2021-12-18 15:46:42,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420914,420927] [2021-12-18 15:46:42,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421063,421076] [2021-12-18 15:46:42,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421215,421228] [2021-12-18 15:46:42,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421363,421376] [2021-12-18 15:46:42,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421516,421529] [2021-12-18 15:46:42,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421667,421680] [2021-12-18 15:46:42,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421817,421830] [2021-12-18 15:46:42,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421964,421977] [2021-12-18 15:46:42,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422115,422128] [2021-12-18 15:46:42,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422266,422279] [2021-12-18 15:46:42,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422414,422427] [2021-12-18 15:46:42,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422580,422593] [2021-12-18 15:46:42,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422749,422762] [2021-12-18 15:46:42,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422916,422929] [2021-12-18 15:46:42,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423084,423097] [2021-12-18 15:46:42,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423234,423247] [2021-12-18 15:46:42,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423381,423394] [2021-12-18 15:46:42,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423542,423555] [2021-12-18 15:46:42,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423712,423725] [2021-12-18 15:46:42,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423874,423887] [2021-12-18 15:46:42,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 15:46:42,459 INFO L208 MainTranslator]: Completed translation [2021-12-18 15:46:42,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:46:42 WrapperNode [2021-12-18 15:46:42,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 15:46:42,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 15:46:42,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 15:46:42,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 15:46:42,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:46:42" (1/1) ... [2021-12-18 15:46:42,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:46:42" (1/1) ... [2021-12-18 15:46:42,709 INFO L137 Inliner]: procedures = 672, calls = 2071, calls flagged for inlining = 313, calls inlined = 225, statements flattened = 4756 [2021-12-18 15:46:42,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 15:46:42,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 15:46:42,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 15:46:42,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 15:46:42,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:46:42" (1/1) ... [2021-12-18 15:46:42,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:46:42" (1/1) ... [2021-12-18 15:46:42,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:46:42" (1/1) ... [2021-12-18 15:46:42,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:46:42" (1/1) ... [2021-12-18 15:46:42,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:46:42" (1/1) ... [2021-12-18 15:46:42,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:46:42" (1/1) ... [2021-12-18 15:46:42,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:46:42" (1/1) ... [2021-12-18 15:46:42,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 15:46:42,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 15:46:42,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 15:46:42,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 15:46:42,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:46:42" (1/1) ... [2021-12-18 15:46:42,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 15:46:42,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:46:42,921 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 15:46:42,942 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 15:46:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 15:46:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 15:46:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 15:46:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 15:46:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2021-12-18 15:46:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2021-12-18 15:46:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-18 15:46:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-18 15:46:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 15:46:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 15:46:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 15:46:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 15:46:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 15:46:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 15:46:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 15:46:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 15:46:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 15:46:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 15:46:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-18 15:46:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-18 15:46:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 15:46:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 15:46:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 15:46:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 15:46:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-18 15:46:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-18 15:46:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_amd8111e_priv [2021-12-18 15:46:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_amd8111e_priv [2021-12-18 15:46:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 15:46:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 15:46:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 15:46:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 15:46:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 15:46:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 15:46:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 15:46:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 15:46:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 15:46:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 15:46:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 15:46:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 15:46:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-18 15:46:42,965 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-18 15:46:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-18 15:46:42,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-18 15:46:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 15:46:42,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 15:46:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 15:46:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-18 15:46:42,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-18 15:46:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2021-12-18 15:46:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2021-12-18 15:46:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-18 15:46:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-18 15:46:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 15:46:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 15:46:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2021-12-18 15:46:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2021-12-18 15:46:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 15:46:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2021-12-18 15:46:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2021-12-18 15:46:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 15:46:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 15:46:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2021-12-18 15:46:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2021-12-18 15:46:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 15:46:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-18 15:46:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-18 15:46:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2021-12-18 15:46:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2021-12-18 15:46:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 15:46:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 15:46:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 15:46:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 15:46:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 15:46:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 15:46:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 15:46:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 15:46:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 15:46:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 15:46:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 15:46:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 15:46:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 15:46:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 15:46:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 15:46:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 15:46:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 15:46:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 15:46:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 15:46:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 15:46:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 15:46:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_129 [2021-12-18 15:46:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_129 [2021-12-18 15:46:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 15:46:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 15:46:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2021-12-18 15:46:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2021-12-18 15:46:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 15:46:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 15:46:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 15:46:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2021-12-18 15:46:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2021-12-18 15:46:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-18 15:46:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-18 15:46:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 15:46:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 15:46:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 15:46:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 15:46:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 15:46:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 15:46:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 15:46:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 15:46:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 15:46:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 15:46:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2021-12-18 15:46:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2021-12-18 15:46:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-18 15:46:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-18 15:46:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 15:46:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 15:46:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2021-12-18 15:46:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2021-12-18 15:46:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 15:46:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 15:46:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 15:46:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 15:46:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-18 15:46:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-18 15:46:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-18 15:46:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-18 15:46:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-18 15:46:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-18 15:46:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-18 15:46:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-18 15:46:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 15:46:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 15:46:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2021-12-18 15:46:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2021-12-18 15:46:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 15:46:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 15:46:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 15:46:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 15:46:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 15:46:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 15:46:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 15:46:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 15:46:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2021-12-18 15:46:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2021-12-18 15:46:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2021-12-18 15:46:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2021-12-18 15:46:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 15:46:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 15:46:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2021-12-18 15:46:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2021-12-18 15:46:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 15:46:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 15:46:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2021-12-18 15:46:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2021-12-18 15:46:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 15:46:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 15:46:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_122 [2021-12-18 15:46:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_122 [2021-12-18 15:46:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 15:46:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 15:46:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-18 15:46:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-18 15:46:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 15:46:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 15:46:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 15:46:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 15:46:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-18 15:46:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-18 15:46:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 15:46:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 15:46:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 15:46:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-18 15:46:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-18 15:46:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 15:46:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 15:46:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 15:46:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_amd8111e_priv [2021-12-18 15:46:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_amd8111e_priv [2021-12-18 15:46:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2021-12-18 15:46:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2021-12-18 15:46:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-18 15:46:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-18 15:46:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2021-12-18 15:46:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2021-12-18 15:46:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 15:46:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2021-12-18 15:46:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2021-12-18 15:46:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 15:46:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 15:46:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 15:46:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 15:46:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 15:46:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 15:46:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 15:46:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 15:46:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2021-12-18 15:46:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2021-12-18 15:46:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-18 15:46:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-18 15:46:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 15:46:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 15:46:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 15:46:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 15:46:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 15:46:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 15:46:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-18 15:46:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-18 15:46:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 15:46:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 15:46:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 15:46:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 15:46:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 15:46:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 15:46:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 15:46:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 15:46:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 15:46:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 15:46:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 15:46:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2021-12-18 15:46:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2021-12-18 15:46:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 15:46:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 15:46:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2021-12-18 15:46:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2021-12-18 15:46:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 15:46:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 15:46:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 15:46:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 15:46:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 15:46:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 15:46:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2021-12-18 15:46:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2021-12-18 15:46:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_127 [2021-12-18 15:46:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_127 [2021-12-18 15:46:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 15:46:42,991 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 15:46:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 15:46:43,691 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 15:46:43,694 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 15:46:44,063 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 15:46:45,707 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 15:46:45,725 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 15:46:45,725 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-18 15:46:45,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:46:45 BoogieIcfgContainer [2021-12-18 15:46:45,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 15:46:45,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 15:46:45,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 15:46:45,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 15:46:45,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 03:46:38" (1/3) ... [2021-12-18 15:46:45,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e63299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:46:45, skipping insertion in model container [2021-12-18 15:46:45,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:46:42" (2/3) ... [2021-12-18 15:46:45,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e63299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:46:45, skipping insertion in model container [2021-12-18 15:46:45,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:46:45" (3/3) ... [2021-12-18 15:46:45,737 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i [2021-12-18 15:46:45,741 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 15:46:45,741 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2021-12-18 15:46:45,781 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 15:46:45,786 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 15:46:45,786 INFO L340 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2021-12-18 15:46:45,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 1820 states, 1169 states have (on average 1.2472198460222412) internal successors, (1458), 1232 states have internal predecessors, (1458), 512 states have call successors, (512), 112 states have call predecessors, (512), 111 states have return successors, (508), 499 states have call predecessors, (508), 508 states have call successors, (508) [2021-12-18 15:46:45,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-18 15:46:45,827 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:46:45,828 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:46:45,828 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:46:45,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:46:45,832 INFO L85 PathProgramCache]: Analyzing trace with hash 318999828, now seen corresponding path program 1 times [2021-12-18 15:46:45,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:46:45,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695279686] [2021-12-18 15:46:45,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:46:45,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:46:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:46:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:46,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:46:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:46,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:46:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:46,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:46:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:46,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:46:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:46,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:46:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:46,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:46:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:46,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:46:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:46,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:46:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:46,367 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:46:46,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:46:46,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695279686] [2021-12-18 15:46:46,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695279686] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:46:46,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:46:46,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:46:46,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163374231] [2021-12-18 15:46:46,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:46:46,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:46:46,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:46:46,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:46:46,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:46:46,424 INFO L87 Difference]: Start difference. First operand has 1820 states, 1169 states have (on average 1.2472198460222412) internal successors, (1458), 1232 states have internal predecessors, (1458), 512 states have call successors, (512), 112 states have call predecessors, (512), 111 states have return successors, (508), 499 states have call predecessors, (508), 508 states have call successors, (508) Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-18 15:46:49,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:46:49,772 INFO L93 Difference]: Finished difference Result 3607 states and 5031 transitions. [2021-12-18 15:46:49,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:46:49,776 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 64 [2021-12-18 15:46:49,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:46:49,794 INFO L225 Difference]: With dead ends: 3607 [2021-12-18 15:46:49,795 INFO L226 Difference]: Without dead ends: 1802 [2021-12-18 15:46:49,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:46:49,808 INFO L933 BasicCegarLoop]: 2112 mSDtfsCounter, 3539 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 1996 mSolverCounterSat, 2314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3716 SdHoareTripleChecker+Valid, 4128 SdHoareTripleChecker+Invalid, 4310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2314 IncrementalHoareTripleChecker+Valid, 1996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:46:49,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3716 Valid, 4128 Invalid, 4310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2314 Valid, 1996 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-12-18 15:46:49,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2021-12-18 15:46:49,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1802. [2021-12-18 15:46:49,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1802 states, 1158 states have (on average 1.2150259067357514) internal successors, (1407), 1218 states have internal predecessors, (1407), 508 states have call successors, (508), 111 states have call predecessors, (508), 110 states have return successors, (506), 497 states have call predecessors, (506), 506 states have call successors, (506) [2021-12-18 15:46:49,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 2421 transitions. [2021-12-18 15:46:49,938 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 2421 transitions. Word has length 64 [2021-12-18 15:46:49,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:46:49,940 INFO L470 AbstractCegarLoop]: Abstraction has 1802 states and 2421 transitions. [2021-12-18 15:46:49,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-18 15:46:49,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2421 transitions. [2021-12-18 15:46:49,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-12-18 15:46:49,942 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:46:49,942 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:46:49,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 15:46:49,942 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:46:49,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:46:49,943 INFO L85 PathProgramCache]: Analyzing trace with hash 218495242, now seen corresponding path program 1 times [2021-12-18 15:46:49,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:46:49,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508948484] [2021-12-18 15:46:49,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:46:49,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:46:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:50,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:46:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:50,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:46:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:50,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:46:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:50,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:46:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:50,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:46:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:50,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:46:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:50,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:46:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:50,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:46:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:50,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:46:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:50,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:46:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:50,150 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:46:50,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:46:50,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508948484] [2021-12-18 15:46:50,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508948484] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:46:50,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:46:50,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:46:50,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523650073] [2021-12-18 15:46:50,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:46:50,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:46:50,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:46:50,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:46:50,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:46:50,153 INFO L87 Difference]: Start difference. First operand 1802 states and 2421 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 15:46:52,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:46:52,972 INFO L93 Difference]: Finished difference Result 1802 states and 2421 transitions. [2021-12-18 15:46:52,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:46:52,972 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 70 [2021-12-18 15:46:52,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:46:52,980 INFO L225 Difference]: With dead ends: 1802 [2021-12-18 15:46:52,981 INFO L226 Difference]: Without dead ends: 1800 [2021-12-18 15:46:52,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:46:52,982 INFO L933 BasicCegarLoop]: 2094 mSDtfsCounter, 3507 mSDsluCounter, 1998 mSDsCounter, 0 mSdLazyCounter, 1984 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3681 SdHoareTripleChecker+Valid, 4092 SdHoareTripleChecker+Invalid, 4290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:46:52,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3681 Valid, 4092 Invalid, 4290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1984 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-18 15:46:52,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1800 states. [2021-12-18 15:46:53,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1800 to 1800. [2021-12-18 15:46:53,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1800 states, 1157 states have (on average 1.2143474503025065) internal successors, (1405), 1216 states have internal predecessors, (1405), 508 states have call successors, (508), 111 states have call predecessors, (508), 110 states have return successors, (506), 497 states have call predecessors, (506), 506 states have call successors, (506) [2021-12-18 15:46:53,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1800 states and 2419 transitions. [2021-12-18 15:46:53,045 INFO L78 Accepts]: Start accepts. Automaton has 1800 states and 2419 transitions. Word has length 70 [2021-12-18 15:46:53,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:46:53,047 INFO L470 AbstractCegarLoop]: Abstraction has 1800 states and 2419 transitions. [2021-12-18 15:46:53,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 15:46:53,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2419 transitions. [2021-12-18 15:46:53,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-12-18 15:46:53,053 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:46:53,054 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:46:53,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 15:46:53,054 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:46:53,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:46:53,055 INFO L85 PathProgramCache]: Analyzing trace with hash -310811808, now seen corresponding path program 1 times [2021-12-18 15:46:53,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:46:53,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869857449] [2021-12-18 15:46:53,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:46:53,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:46:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:53,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:46:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:53,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:46:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:53,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:46:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:53,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:46:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:53,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:46:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:53,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:46:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:53,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:46:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:53,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:46:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:53,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:46:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:53,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:46:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:53,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:46:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:53,296 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:46:53,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:46:53,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869857449] [2021-12-18 15:46:53,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869857449] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:46:53,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:46:53,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:46:53,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870886998] [2021-12-18 15:46:53,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:46:53,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:46:53,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:46:53,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:46:53,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:46:53,299 INFO L87 Difference]: Start difference. First operand 1800 states and 2419 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-18 15:46:56,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:46:56,210 INFO L93 Difference]: Finished difference Result 1800 states and 2419 transitions. [2021-12-18 15:46:56,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:46:56,211 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 76 [2021-12-18 15:46:56,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:46:56,219 INFO L225 Difference]: With dead ends: 1800 [2021-12-18 15:46:56,219 INFO L226 Difference]: Without dead ends: 1798 [2021-12-18 15:46:56,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:46:56,220 INFO L933 BasicCegarLoop]: 2092 mSDtfsCounter, 3501 mSDsluCounter, 1998 mSDsCounter, 0 mSdLazyCounter, 1982 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3674 SdHoareTripleChecker+Valid, 4090 SdHoareTripleChecker+Invalid, 4288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-18 15:46:56,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3674 Valid, 4090 Invalid, 4288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1982 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-18 15:46:56,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1798 states. [2021-12-18 15:46:56,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1798 to 1798. [2021-12-18 15:46:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1798 states, 1156 states have (on average 1.2136678200692042) internal successors, (1403), 1214 states have internal predecessors, (1403), 508 states have call successors, (508), 111 states have call predecessors, (508), 110 states have return successors, (506), 497 states have call predecessors, (506), 506 states have call successors, (506) [2021-12-18 15:46:56,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1798 states and 2417 transitions. [2021-12-18 15:46:56,326 INFO L78 Accepts]: Start accepts. Automaton has 1798 states and 2417 transitions. Word has length 76 [2021-12-18 15:46:56,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:46:56,326 INFO L470 AbstractCegarLoop]: Abstraction has 1798 states and 2417 transitions. [2021-12-18 15:46:56,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-18 15:46:56,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2417 transitions. [2021-12-18 15:46:56,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-18 15:46:56,329 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:46:56,329 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:46:56,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 15:46:56,329 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:46:56,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:46:56,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1751359827, now seen corresponding path program 1 times [2021-12-18 15:46:56,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:46:56,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783250116] [2021-12-18 15:46:56,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:46:56,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:46:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:56,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:46:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:56,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:46:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:56,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:46:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:56,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:46:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:56,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:46:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:56,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:46:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:56,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:46:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:56,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:46:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:56,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:46:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:56,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:46:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:56,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:46:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:56,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:46:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:56,553 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:46:56,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:46:56,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783250116] [2021-12-18 15:46:56,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783250116] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:46:56,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:46:56,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:46:56,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499321225] [2021-12-18 15:46:56,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:46:56,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:46:56,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:46:56,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:46:56,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:46:56,556 INFO L87 Difference]: Start difference. First operand 1798 states and 2417 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 15:46:59,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:46:59,357 INFO L93 Difference]: Finished difference Result 1798 states and 2417 transitions. [2021-12-18 15:46:59,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:46:59,358 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 82 [2021-12-18 15:46:59,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:46:59,365 INFO L225 Difference]: With dead ends: 1798 [2021-12-18 15:46:59,365 INFO L226 Difference]: Without dead ends: 1796 [2021-12-18 15:46:59,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:46:59,366 INFO L933 BasicCegarLoop]: 2090 mSDtfsCounter, 3495 mSDsluCounter, 1998 mSDsCounter, 0 mSdLazyCounter, 1980 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3667 SdHoareTripleChecker+Valid, 4088 SdHoareTripleChecker+Invalid, 4286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:46:59,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3667 Valid, 4088 Invalid, 4286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1980 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-18 15:46:59,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states. [2021-12-18 15:46:59,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 1796. [2021-12-18 15:46:59,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1796 states, 1155 states have (on average 1.212987012987013) internal successors, (1401), 1212 states have internal predecessors, (1401), 508 states have call successors, (508), 111 states have call predecessors, (508), 110 states have return successors, (506), 497 states have call predecessors, (506), 506 states have call successors, (506) [2021-12-18 15:46:59,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 1796 states and 2415 transitions. [2021-12-18 15:46:59,427 INFO L78 Accepts]: Start accepts. Automaton has 1796 states and 2415 transitions. Word has length 82 [2021-12-18 15:46:59,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:46:59,427 INFO L470 AbstractCegarLoop]: Abstraction has 1796 states and 2415 transitions. [2021-12-18 15:46:59,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 15:46:59,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2415 transitions. [2021-12-18 15:46:59,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-12-18 15:46:59,428 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:46:59,428 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:46:59,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 15:46:59,429 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:46:59,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:46:59,429 INFO L85 PathProgramCache]: Analyzing trace with hash -2094392724, now seen corresponding path program 1 times [2021-12-18 15:46:59,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:46:59,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43861379] [2021-12-18 15:46:59,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:46:59,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:46:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:59,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:46:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:59,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:46:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:59,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:46:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:59,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:46:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:59,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:46:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:59,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:46:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:59,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:46:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:59,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:46:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:46:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:59,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:46:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:59,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:46:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:59,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:46:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:59,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:46:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:59,626 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:46:59,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:46:59,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43861379] [2021-12-18 15:46:59,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43861379] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:46:59,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:46:59,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:46:59,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122742316] [2021-12-18 15:46:59,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:46:59,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:46:59,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:46:59,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:46:59,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:46:59,628 INFO L87 Difference]: Start difference. First operand 1796 states and 2415 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 15:47:02,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:02,401 INFO L93 Difference]: Finished difference Result 1796 states and 2415 transitions. [2021-12-18 15:47:02,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:02,401 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 88 [2021-12-18 15:47:02,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:02,408 INFO L225 Difference]: With dead ends: 1796 [2021-12-18 15:47:02,408 INFO L226 Difference]: Without dead ends: 1794 [2021-12-18 15:47:02,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:02,409 INFO L933 BasicCegarLoop]: 2088 mSDtfsCounter, 3489 mSDsluCounter, 1998 mSDsCounter, 0 mSdLazyCounter, 1978 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3660 SdHoareTripleChecker+Valid, 4086 SdHoareTripleChecker+Invalid, 4284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:02,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3660 Valid, 4086 Invalid, 4284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1978 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-18 15:47:02,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2021-12-18 15:47:02,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1794. [2021-12-18 15:47:02,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1794 states, 1154 states have (on average 1.2123050259965338) internal successors, (1399), 1210 states have internal predecessors, (1399), 508 states have call successors, (508), 111 states have call predecessors, (508), 110 states have return successors, (506), 497 states have call predecessors, (506), 506 states have call successors, (506) [2021-12-18 15:47:02,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 2413 transitions. [2021-12-18 15:47:02,461 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 2413 transitions. Word has length 88 [2021-12-18 15:47:02,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:02,462 INFO L470 AbstractCegarLoop]: Abstraction has 1794 states and 2413 transitions. [2021-12-18 15:47:02,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 15:47:02,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2413 transitions. [2021-12-18 15:47:02,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-12-18 15:47:02,467 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:02,467 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:47:02,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 15:47:02,468 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:47:02,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:02,468 INFO L85 PathProgramCache]: Analyzing trace with hash -363682455, now seen corresponding path program 1 times [2021-12-18 15:47:02,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:02,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293181734] [2021-12-18 15:47:02,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:02,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:47:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:47:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:47:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:47:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:47:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:47:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:47:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:47:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:47:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:47:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:47:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:47:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:02,683 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-18 15:47:02,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:02,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293181734] [2021-12-18 15:47:02,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293181734] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:02,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:02,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:02,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708358213] [2021-12-18 15:47:02,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:02,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:02,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:02,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:02,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:02,685 INFO L87 Difference]: Start difference. First operand 1794 states and 2413 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 15:47:07,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:07,449 INFO L93 Difference]: Finished difference Result 4905 states and 6633 transitions. [2021-12-18 15:47:07,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 15:47:07,450 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2021-12-18 15:47:07,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:07,466 INFO L225 Difference]: With dead ends: 4905 [2021-12-18 15:47:07,466 INFO L226 Difference]: Without dead ends: 3132 [2021-12-18 15:47:07,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:47:07,474 INFO L933 BasicCegarLoop]: 2515 mSDtfsCounter, 5870 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 3691 mSolverCounterSat, 4445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6059 SdHoareTripleChecker+Valid, 4768 SdHoareTripleChecker+Invalid, 8136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4445 IncrementalHoareTripleChecker+Valid, 3691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:07,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6059 Valid, 4768 Invalid, 8136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4445 Valid, 3691 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-12-18 15:47:07,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3132 states. [2021-12-18 15:47:07,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3132 to 2984. [2021-12-18 15:47:07,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2984 states, 1926 states have (on average 1.2144340602284527) internal successors, (2339), 2006 states have internal predecessors, (2339), 851 states have call successors, (851), 186 states have call predecessors, (851), 185 states have return successors, (849), 833 states have call predecessors, (849), 849 states have call successors, (849) [2021-12-18 15:47:07,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2984 states and 4039 transitions. [2021-12-18 15:47:07,627 INFO L78 Accepts]: Start accepts. Automaton has 2984 states and 4039 transitions. Word has length 110 [2021-12-18 15:47:07,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:07,627 INFO L470 AbstractCegarLoop]: Abstraction has 2984 states and 4039 transitions. [2021-12-18 15:47:07,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 15:47:07,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2984 states and 4039 transitions. [2021-12-18 15:47:07,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-18 15:47:07,628 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:07,628 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:47:07,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 15:47:07,629 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:47:07,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:07,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1387025999, now seen corresponding path program 1 times [2021-12-18 15:47:07,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:07,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486783647] [2021-12-18 15:47:07,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:07,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:07,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:07,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:07,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:07,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:07,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:07,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:07,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:07,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:07,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:07,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:07,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:47:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:07,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:47:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:07,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:47:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:07,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:47:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:07,813 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:07,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:07,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486783647] [2021-12-18 15:47:07,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486783647] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:07,814 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:07,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:07,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878550614] [2021-12-18 15:47:07,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:07,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:07,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:07,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:07,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:07,816 INFO L87 Difference]: Start difference. First operand 2984 states and 4039 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 15:47:10,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:10,596 INFO L93 Difference]: Finished difference Result 2984 states and 4039 transitions. [2021-12-18 15:47:10,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:10,596 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 94 [2021-12-18 15:47:10,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:10,605 INFO L225 Difference]: With dead ends: 2984 [2021-12-18 15:47:10,605 INFO L226 Difference]: Without dead ends: 2982 [2021-12-18 15:47:10,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:10,606 INFO L933 BasicCegarLoop]: 2086 mSDtfsCounter, 3483 mSDsluCounter, 1998 mSDsCounter, 0 mSdLazyCounter, 1976 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3653 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 4282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:10,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3653 Valid, 4084 Invalid, 4282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1976 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-18 15:47:10,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2982 states. [2021-12-18 15:47:10,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2982 to 2982. [2021-12-18 15:47:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2982 states, 1925 states have (on average 1.214025974025974) internal successors, (2337), 2004 states have internal predecessors, (2337), 851 states have call successors, (851), 186 states have call predecessors, (851), 185 states have return successors, (849), 833 states have call predecessors, (849), 849 states have call successors, (849) [2021-12-18 15:47:10,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 4037 transitions. [2021-12-18 15:47:10,720 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 4037 transitions. Word has length 94 [2021-12-18 15:47:10,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:10,720 INFO L470 AbstractCegarLoop]: Abstraction has 2982 states and 4037 transitions. [2021-12-18 15:47:10,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 15:47:10,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 4037 transitions. [2021-12-18 15:47:10,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-18 15:47:10,721 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:10,721 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:47:10,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 15:47:10,722 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:47:10,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:10,722 INFO L85 PathProgramCache]: Analyzing trace with hash -415730856, now seen corresponding path program 1 times [2021-12-18 15:47:10,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:10,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096632248] [2021-12-18 15:47:10,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:10,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:47:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:47:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:47:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:47:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:47:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:47:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:47:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:47:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:47:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:47:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:47:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:47:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 15:47:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:10,920 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-12-18 15:47:10,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:10,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096632248] [2021-12-18 15:47:10,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096632248] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:47:10,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980809730] [2021-12-18 15:47:10,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:10,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:47:10,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:47:10,922 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 15:47:10,925 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 15:47:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:11,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 1709 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 15:47:11,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:47:11,652 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-18 15:47:11,652 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:47:11,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980809730] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:11,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 15:47:11,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-12-18 15:47:11,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124751114] [2021-12-18 15:47:11,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:11,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 15:47:11,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:11,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 15:47:11,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:11,654 INFO L87 Difference]: Start difference. First operand 2982 states and 4037 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 15:47:11,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:11,764 INFO L93 Difference]: Finished difference Result 5939 states and 8039 transitions. [2021-12-18 15:47:11,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 15:47:11,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2021-12-18 15:47:11,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:11,800 INFO L225 Difference]: With dead ends: 5939 [2021-12-18 15:47:11,800 INFO L226 Difference]: Without dead ends: 2978 [2021-12-18 15:47:11,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:11,808 INFO L933 BasicCegarLoop]: 2405 mSDtfsCounter, 2389 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2389 SdHoareTripleChecker+Valid, 2405 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 15:47:11,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2389 Valid, 2405 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 15:47:11,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2978 states. [2021-12-18 15:47:11,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2978 to 2978. [2021-12-18 15:47:11,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2978 states, 1922 states have (on average 1.2133194588969822) internal successors, (2332), 2000 states have internal predecessors, (2332), 851 states have call successors, (851), 186 states have call predecessors, (851), 185 states have return successors, (849), 833 states have call predecessors, (849), 849 states have call successors, (849) [2021-12-18 15:47:11,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2978 states and 4032 transitions. [2021-12-18 15:47:11,922 INFO L78 Accepts]: Start accepts. Automaton has 2978 states and 4032 transitions. Word has length 116 [2021-12-18 15:47:11,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:11,923 INFO L470 AbstractCegarLoop]: Abstraction has 2978 states and 4032 transitions. [2021-12-18 15:47:11,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 15:47:11,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2978 states and 4032 transitions. [2021-12-18 15:47:11,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-18 15:47:11,924 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:11,924 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:47:11,947 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 15:47:12,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:47:12,139 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:47:12,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:12,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1269656057, now seen corresponding path program 1 times [2021-12-18 15:47:12,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:12,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276654504] [2021-12-18 15:47:12,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:12,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:12,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:12,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:12,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:12,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:12,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:12,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:12,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:12,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:12,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:12,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:12,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:47:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:12,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:47:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:12,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:47:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:12,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:47:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:12,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:47:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:12,310 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:12,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:12,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276654504] [2021-12-18 15:47:12,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276654504] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:12,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:12,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:12,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515594874] [2021-12-18 15:47:12,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:12,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:12,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:12,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:12,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:12,312 INFO L87 Difference]: Start difference. First operand 2978 states and 4032 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 15:47:15,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:15,147 INFO L93 Difference]: Finished difference Result 2978 states and 4032 transitions. [2021-12-18 15:47:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:15,147 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 100 [2021-12-18 15:47:15,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:15,158 INFO L225 Difference]: With dead ends: 2978 [2021-12-18 15:47:15,159 INFO L226 Difference]: Without dead ends: 2976 [2021-12-18 15:47:15,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:15,160 INFO L933 BasicCegarLoop]: 2079 mSDtfsCounter, 3472 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 1973 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3641 SdHoareTripleChecker+Valid, 4063 SdHoareTripleChecker+Invalid, 4279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:15,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3641 Valid, 4063 Invalid, 4279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1973 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-18 15:47:15,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2976 states. [2021-12-18 15:47:15,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2976 to 2976. [2021-12-18 15:47:15,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2976 states, 1921 states have (on average 1.212909942738157) internal successors, (2330), 1998 states have internal predecessors, (2330), 851 states have call successors, (851), 186 states have call predecessors, (851), 185 states have return successors, (849), 833 states have call predecessors, (849), 849 states have call successors, (849) [2021-12-18 15:47:15,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2976 states to 2976 states and 4030 transitions. [2021-12-18 15:47:15,266 INFO L78 Accepts]: Start accepts. Automaton has 2976 states and 4030 transitions. Word has length 100 [2021-12-18 15:47:15,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:15,267 INFO L470 AbstractCegarLoop]: Abstraction has 2976 states and 4030 transitions. [2021-12-18 15:47:15,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 15:47:15,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2976 states and 4030 transitions. [2021-12-18 15:47:15,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-18 15:47:15,269 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:15,269 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:47:15,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 15:47:15,270 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:47:15,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:15,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1020188700, now seen corresponding path program 1 times [2021-12-18 15:47:15,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:15,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560231053] [2021-12-18 15:47:15,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:15,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:15,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:15,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:15,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:15,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:15,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:15,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:15,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:15,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:15,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:15,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:15,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:47:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:15,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:47:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:15,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:47:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:15,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:47:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:15,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:47:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:15,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:47:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:15,420 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:15,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:15,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560231053] [2021-12-18 15:47:15,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560231053] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:15,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:15,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:15,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813510401] [2021-12-18 15:47:15,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:15,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:15,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:15,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:15,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:15,422 INFO L87 Difference]: Start difference. First operand 2976 states and 4030 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 15:47:18,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:18,119 INFO L93 Difference]: Finished difference Result 2976 states and 4030 transitions. [2021-12-18 15:47:18,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:18,119 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106 [2021-12-18 15:47:18,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:18,129 INFO L225 Difference]: With dead ends: 2976 [2021-12-18 15:47:18,130 INFO L226 Difference]: Without dead ends: 2974 [2021-12-18 15:47:18,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:18,146 INFO L933 BasicCegarLoop]: 2077 mSDtfsCounter, 3470 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 1967 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3638 SdHoareTripleChecker+Valid, 4061 SdHoareTripleChecker+Invalid, 4273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:18,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3638 Valid, 4061 Invalid, 4273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1967 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-18 15:47:18,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2974 states. [2021-12-18 15:47:18,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2974 to 2974. [2021-12-18 15:47:18,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2974 states, 1920 states have (on average 1.2125) internal successors, (2328), 1996 states have internal predecessors, (2328), 851 states have call successors, (851), 186 states have call predecessors, (851), 185 states have return successors, (849), 833 states have call predecessors, (849), 849 states have call successors, (849) [2021-12-18 15:47:18,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 2974 states and 4028 transitions. [2021-12-18 15:47:18,291 INFO L78 Accepts]: Start accepts. Automaton has 2974 states and 4028 transitions. Word has length 106 [2021-12-18 15:47:18,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:18,291 INFO L470 AbstractCegarLoop]: Abstraction has 2974 states and 4028 transitions. [2021-12-18 15:47:18,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 15:47:18,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2974 states and 4028 transitions. [2021-12-18 15:47:18,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-12-18 15:47:18,293 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:18,293 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:47:18,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 15:47:18,293 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:47:18,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:18,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1148944287, now seen corresponding path program 1 times [2021-12-18 15:47:18,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:18,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412436150] [2021-12-18 15:47:18,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:18,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:18,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:18,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:18,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:18,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:18,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:18,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:18,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:18,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:18,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:18,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:18,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:47:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:18,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:47:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:18,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:47:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:18,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:47:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:18,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:47:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:18,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:47:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:18,460 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:18,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:18,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412436150] [2021-12-18 15:47:18,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412436150] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:18,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:18,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:18,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037292226] [2021-12-18 15:47:18,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:18,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:18,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:18,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:18,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:18,462 INFO L87 Difference]: Start difference. First operand 2974 states and 4028 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 15:47:21,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:21,121 INFO L93 Difference]: Finished difference Result 2974 states and 4028 transitions. [2021-12-18 15:47:21,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:21,122 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 108 [2021-12-18 15:47:21,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:21,131 INFO L225 Difference]: With dead ends: 2974 [2021-12-18 15:47:21,131 INFO L226 Difference]: Without dead ends: 2972 [2021-12-18 15:47:21,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:21,132 INFO L933 BasicCegarLoop]: 2075 mSDtfsCounter, 3458 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 1969 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3626 SdHoareTripleChecker+Valid, 4059 SdHoareTripleChecker+Invalid, 4275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:21,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3626 Valid, 4059 Invalid, 4275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1969 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-18 15:47:21,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2972 states. [2021-12-18 15:47:21,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2972 to 2972. [2021-12-18 15:47:21,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2972 states, 1919 states have (on average 1.2120896300156332) internal successors, (2326), 1994 states have internal predecessors, (2326), 851 states have call successors, (851), 186 states have call predecessors, (851), 185 states have return successors, (849), 833 states have call predecessors, (849), 849 states have call successors, (849) [2021-12-18 15:47:21,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2972 states and 4026 transitions. [2021-12-18 15:47:21,241 INFO L78 Accepts]: Start accepts. Automaton has 2972 states and 4026 transitions. Word has length 108 [2021-12-18 15:47:21,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:21,242 INFO L470 AbstractCegarLoop]: Abstraction has 2972 states and 4026 transitions. [2021-12-18 15:47:21,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 15:47:21,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 4026 transitions. [2021-12-18 15:47:21,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-18 15:47:21,243 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:21,243 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:47:21,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 15:47:21,244 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:47:21,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:21,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1073674133, now seen corresponding path program 1 times [2021-12-18 15:47:21,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:21,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984929993] [2021-12-18 15:47:21,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:21,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:21,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:21,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:21,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:21,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:21,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:21,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:21,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:21,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:21,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:21,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:47:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:21,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:47:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:21,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:47:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:21,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:47:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:21,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:47:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:21,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:47:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:21,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:47:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:21,403 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:21,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:21,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984929993] [2021-12-18 15:47:21,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984929993] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:21,403 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:21,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:21,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402358734] [2021-12-18 15:47:21,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:21,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:21,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:21,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:21,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:21,405 INFO L87 Difference]: Start difference. First operand 2972 states and 4026 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 15:47:24,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:24,038 INFO L93 Difference]: Finished difference Result 2972 states and 4026 transitions. [2021-12-18 15:47:24,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:24,039 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 114 [2021-12-18 15:47:24,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:24,049 INFO L225 Difference]: With dead ends: 2972 [2021-12-18 15:47:24,049 INFO L226 Difference]: Without dead ends: 2970 [2021-12-18 15:47:24,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:24,051 INFO L933 BasicCegarLoop]: 2073 mSDtfsCounter, 3454 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 1967 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3621 SdHoareTripleChecker+Valid, 4057 SdHoareTripleChecker+Invalid, 4273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:24,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3621 Valid, 4057 Invalid, 4273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1967 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-18 15:47:24,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2970 states. [2021-12-18 15:47:24,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2970 to 2970. [2021-12-18 15:47:24,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2970 states, 1918 states have (on average 1.2116788321167884) internal successors, (2324), 1992 states have internal predecessors, (2324), 851 states have call successors, (851), 186 states have call predecessors, (851), 185 states have return successors, (849), 833 states have call predecessors, (849), 849 states have call successors, (849) [2021-12-18 15:47:24,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2970 states and 4024 transitions. [2021-12-18 15:47:24,163 INFO L78 Accepts]: Start accepts. Automaton has 2970 states and 4024 transitions. Word has length 114 [2021-12-18 15:47:24,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:24,164 INFO L470 AbstractCegarLoop]: Abstraction has 2970 states and 4024 transitions. [2021-12-18 15:47:24,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 15:47:24,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 4024 transitions. [2021-12-18 15:47:24,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-18 15:47:24,165 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:24,165 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:47:24,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 15:47:24,166 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:47:24,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:24,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1787018504, now seen corresponding path program 1 times [2021-12-18 15:47:24,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:24,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151762829] [2021-12-18 15:47:24,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:24,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:47:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:47:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:47:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:47:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:47:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:47:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:47:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:47:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:24,373 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:24,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:24,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151762829] [2021-12-18 15:47:24,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151762829] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:24,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:24,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:24,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867400440] [2021-12-18 15:47:24,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:24,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:24,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:24,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:24,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:24,375 INFO L87 Difference]: Start difference. First operand 2970 states and 4024 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 15:47:27,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:27,058 INFO L93 Difference]: Finished difference Result 2970 states and 4024 transitions. [2021-12-18 15:47:27,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:27,058 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 120 [2021-12-18 15:47:27,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:27,065 INFO L225 Difference]: With dead ends: 2970 [2021-12-18 15:47:27,065 INFO L226 Difference]: Without dead ends: 2968 [2021-12-18 15:47:27,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:27,067 INFO L933 BasicCegarLoop]: 2071 mSDtfsCounter, 3448 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 1965 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3614 SdHoareTripleChecker+Valid, 4055 SdHoareTripleChecker+Invalid, 4271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:27,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3614 Valid, 4055 Invalid, 4271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1965 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-18 15:47:27,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2968 states. [2021-12-18 15:47:27,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2968 to 2968. [2021-12-18 15:47:27,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2968 states, 1917 states have (on average 1.2112676056338028) internal successors, (2322), 1990 states have internal predecessors, (2322), 851 states have call successors, (851), 186 states have call predecessors, (851), 185 states have return successors, (849), 833 states have call predecessors, (849), 849 states have call successors, (849) [2021-12-18 15:47:27,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2968 states to 2968 states and 4022 transitions. [2021-12-18 15:47:27,196 INFO L78 Accepts]: Start accepts. Automaton has 2968 states and 4022 transitions. Word has length 120 [2021-12-18 15:47:27,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:27,197 INFO L470 AbstractCegarLoop]: Abstraction has 2968 states and 4022 transitions. [2021-12-18 15:47:27,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 15:47:27,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2968 states and 4022 transitions. [2021-12-18 15:47:27,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-18 15:47:27,199 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:27,199 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:47:27,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 15:47:27,199 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:47:27,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:27,199 INFO L85 PathProgramCache]: Analyzing trace with hash 893804278, now seen corresponding path program 1 times [2021-12-18 15:47:27,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:27,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857068756] [2021-12-18 15:47:27,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:27,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:47:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:47:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:47:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:47:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:47:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:47:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:47:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:47:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:47:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:27,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:27,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857068756] [2021-12-18 15:47:27,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857068756] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:27,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:27,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:27,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804161045] [2021-12-18 15:47:27,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:27,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:27,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:27,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:27,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:27,386 INFO L87 Difference]: Start difference. First operand 2968 states and 4022 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 15:47:30,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:30,212 INFO L93 Difference]: Finished difference Result 2968 states and 4022 transitions. [2021-12-18 15:47:30,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:30,213 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 126 [2021-12-18 15:47:30,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:30,221 INFO L225 Difference]: With dead ends: 2968 [2021-12-18 15:47:30,221 INFO L226 Difference]: Without dead ends: 2966 [2021-12-18 15:47:30,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:30,222 INFO L933 BasicCegarLoop]: 2069 mSDtfsCounter, 3442 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 1963 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3607 SdHoareTripleChecker+Valid, 4053 SdHoareTripleChecker+Invalid, 4269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:30,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3607 Valid, 4053 Invalid, 4269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1963 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-18 15:47:30,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2966 states. [2021-12-18 15:47:30,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2966 to 2966. [2021-12-18 15:47:30,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2966 states, 1916 states have (on average 1.210855949895616) internal successors, (2320), 1988 states have internal predecessors, (2320), 851 states have call successors, (851), 186 states have call predecessors, (851), 185 states have return successors, (849), 833 states have call predecessors, (849), 849 states have call successors, (849) [2021-12-18 15:47:30,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2966 states to 2966 states and 4020 transitions. [2021-12-18 15:47:30,342 INFO L78 Accepts]: Start accepts. Automaton has 2966 states and 4020 transitions. Word has length 126 [2021-12-18 15:47:30,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:30,343 INFO L470 AbstractCegarLoop]: Abstraction has 2966 states and 4020 transitions. [2021-12-18 15:47:30,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 15:47:30,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2966 states and 4020 transitions. [2021-12-18 15:47:30,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-18 15:47:30,345 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:30,345 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:47:30,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 15:47:30,345 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:47:30,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:30,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1173658340, now seen corresponding path program 1 times [2021-12-18 15:47:30,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:30,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579961419] [2021-12-18 15:47:30,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:30,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:47:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:47:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:47:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:47:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:47:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:47:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:47:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:47:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:47:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:47:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:30,586 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:30,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:30,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579961419] [2021-12-18 15:47:30,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579961419] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:30,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:30,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:30,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235768436] [2021-12-18 15:47:30,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:30,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:30,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:30,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:30,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:30,590 INFO L87 Difference]: Start difference. First operand 2966 states and 4020 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 15:47:33,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:33,219 INFO L93 Difference]: Finished difference Result 2966 states and 4020 transitions. [2021-12-18 15:47:33,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:33,219 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 132 [2021-12-18 15:47:33,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:33,229 INFO L225 Difference]: With dead ends: 2966 [2021-12-18 15:47:33,229 INFO L226 Difference]: Without dead ends: 2964 [2021-12-18 15:47:33,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:33,230 INFO L933 BasicCegarLoop]: 2067 mSDtfsCounter, 3436 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 1961 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3600 SdHoareTripleChecker+Valid, 4051 SdHoareTripleChecker+Invalid, 4267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:33,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3600 Valid, 4051 Invalid, 4267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1961 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-18 15:47:33,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2964 states. [2021-12-18 15:47:33,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2964 to 2964. [2021-12-18 15:47:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2964 states, 1915 states have (on average 1.210443864229765) internal successors, (2318), 1986 states have internal predecessors, (2318), 851 states have call successors, (851), 186 states have call predecessors, (851), 185 states have return successors, (849), 833 states have call predecessors, (849), 849 states have call successors, (849) [2021-12-18 15:47:33,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2964 states and 4018 transitions. [2021-12-18 15:47:33,352 INFO L78 Accepts]: Start accepts. Automaton has 2964 states and 4018 transitions. Word has length 132 [2021-12-18 15:47:33,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:33,352 INFO L470 AbstractCegarLoop]: Abstraction has 2964 states and 4018 transitions. [2021-12-18 15:47:33,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 15:47:33,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 4018 transitions. [2021-12-18 15:47:33,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-12-18 15:47:33,354 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:33,354 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:47:33,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 15:47:33,354 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:47:33,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:33,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1744559868, now seen corresponding path program 1 times [2021-12-18 15:47:33,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:33,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126811458] [2021-12-18 15:47:33,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:33,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:47:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:47:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:47:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:47:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:47:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:47:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:47:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:47:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:47:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:47:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:47:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:33,546 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:33,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:33,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126811458] [2021-12-18 15:47:33,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126811458] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:33,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:33,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:33,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314769312] [2021-12-18 15:47:33,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:33,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:33,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:33,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:33,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:33,549 INFO L87 Difference]: Start difference. First operand 2964 states and 4018 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 15:47:36,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:36,253 INFO L93 Difference]: Finished difference Result 2964 states and 4018 transitions. [2021-12-18 15:47:36,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:36,253 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2021-12-18 15:47:36,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:36,260 INFO L225 Difference]: With dead ends: 2964 [2021-12-18 15:47:36,261 INFO L226 Difference]: Without dead ends: 2962 [2021-12-18 15:47:36,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:36,262 INFO L933 BasicCegarLoop]: 2065 mSDtfsCounter, 3430 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 1959 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3593 SdHoareTripleChecker+Valid, 4049 SdHoareTripleChecker+Invalid, 4265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:36,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3593 Valid, 4049 Invalid, 4265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1959 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-18 15:47:36,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2962 states. [2021-12-18 15:47:36,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2962 to 2962. [2021-12-18 15:47:36,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2962 states, 1914 states have (on average 1.2100313479623825) internal successors, (2316), 1984 states have internal predecessors, (2316), 851 states have call successors, (851), 186 states have call predecessors, (851), 185 states have return successors, (849), 833 states have call predecessors, (849), 849 states have call successors, (849) [2021-12-18 15:47:36,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2962 states and 4016 transitions. [2021-12-18 15:47:36,408 INFO L78 Accepts]: Start accepts. Automaton has 2962 states and 4016 transitions. Word has length 138 [2021-12-18 15:47:36,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:36,409 INFO L470 AbstractCegarLoop]: Abstraction has 2962 states and 4016 transitions. [2021-12-18 15:47:36,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 15:47:36,410 INFO L276 IsEmpty]: Start isEmpty. Operand 2962 states and 4016 transitions. [2021-12-18 15:47:36,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-12-18 15:47:36,412 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:36,412 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:47:36,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 15:47:36,412 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:47:36,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:36,413 INFO L85 PathProgramCache]: Analyzing trace with hash 487241016, now seen corresponding path program 1 times [2021-12-18 15:47:36,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:36,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117257492] [2021-12-18 15:47:36,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:36,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:47:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:47:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:47:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:47:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:47:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:47:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:47:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:47:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:47:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:47:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:47:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:47:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:36,605 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:36,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:36,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117257492] [2021-12-18 15:47:36,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117257492] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:36,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:36,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:36,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517044415] [2021-12-18 15:47:36,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:36,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:36,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:36,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:36,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:36,608 INFO L87 Difference]: Start difference. First operand 2962 states and 4016 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 15:47:39,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:39,469 INFO L93 Difference]: Finished difference Result 2962 states and 4016 transitions. [2021-12-18 15:47:39,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:39,469 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 144 [2021-12-18 15:47:39,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:39,477 INFO L225 Difference]: With dead ends: 2962 [2021-12-18 15:47:39,478 INFO L226 Difference]: Without dead ends: 2960 [2021-12-18 15:47:39,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:39,480 INFO L933 BasicCegarLoop]: 2063 mSDtfsCounter, 3424 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 1957 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3586 SdHoareTripleChecker+Valid, 4047 SdHoareTripleChecker+Invalid, 4263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:39,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3586 Valid, 4047 Invalid, 4263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1957 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-18 15:47:39,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2960 states. [2021-12-18 15:47:39,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2960 to 2960. [2021-12-18 15:47:39,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2960 states, 1913 states have (on average 1.2096184004181914) internal successors, (2314), 1982 states have internal predecessors, (2314), 851 states have call successors, (851), 186 states have call predecessors, (851), 185 states have return successors, (849), 833 states have call predecessors, (849), 849 states have call successors, (849) [2021-12-18 15:47:39,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 4014 transitions. [2021-12-18 15:47:39,614 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 4014 transitions. Word has length 144 [2021-12-18 15:47:39,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:39,614 INFO L470 AbstractCegarLoop]: Abstraction has 2960 states and 4014 transitions. [2021-12-18 15:47:39,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 15:47:39,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 4014 transitions. [2021-12-18 15:47:39,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-12-18 15:47:39,616 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:39,617 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:47:39,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 15:47:39,617 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:47:39,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:39,617 INFO L85 PathProgramCache]: Analyzing trace with hash 507924596, now seen corresponding path program 1 times [2021-12-18 15:47:39,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:39,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230858161] [2021-12-18 15:47:39,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:39,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:47:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:47:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:47:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:47:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:47:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:47:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:47:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:47:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:47:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:47:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:47:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:47:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 15:47:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:47:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 15:47:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:47:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 15:47:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:47:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 15:47:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:39,894 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2021-12-18 15:47:39,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:39,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230858161] [2021-12-18 15:47:39,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230858161] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:39,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:39,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 15:47:39,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282356384] [2021-12-18 15:47:39,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:39,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 15:47:39,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:39,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 15:47:39,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:47:39,898 INFO L87 Difference]: Start difference. First operand 2960 states and 4014 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 15:47:44,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:44,258 INFO L93 Difference]: Finished difference Result 3329 states and 4462 transitions. [2021-12-18 15:47:44,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 15:47:44,263 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 173 [2021-12-18 15:47:44,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:44,272 INFO L225 Difference]: With dead ends: 3329 [2021-12-18 15:47:44,272 INFO L226 Difference]: Without dead ends: 3327 [2021-12-18 15:47:44,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-12-18 15:47:44,273 INFO L933 BasicCegarLoop]: 2086 mSDtfsCounter, 3940 mSDsluCounter, 3867 mSDsCounter, 0 mSdLazyCounter, 5009 mSolverCounterSat, 2962 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4066 SdHoareTripleChecker+Valid, 5953 SdHoareTripleChecker+Invalid, 7971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2962 IncrementalHoareTripleChecker+Valid, 5009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:44,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4066 Valid, 5953 Invalid, 7971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2962 Valid, 5009 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-18 15:47:44,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3327 states. [2021-12-18 15:47:44,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3327 to 3183. [2021-12-18 15:47:44,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3183 states, 2059 states have (on average 1.2015541525012141) internal successors, (2474), 2132 states have internal predecessors, (2474), 889 states have call successors, (889), 226 states have call predecessors, (889), 225 states have return successors, (887), 871 states have call predecessors, (887), 887 states have call successors, (887) [2021-12-18 15:47:44,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3183 states to 3183 states and 4250 transitions. [2021-12-18 15:47:44,412 INFO L78 Accepts]: Start accepts. Automaton has 3183 states and 4250 transitions. Word has length 173 [2021-12-18 15:47:44,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:44,413 INFO L470 AbstractCegarLoop]: Abstraction has 3183 states and 4250 transitions. [2021-12-18 15:47:44,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 15:47:44,413 INFO L276 IsEmpty]: Start isEmpty. Operand 3183 states and 4250 transitions. [2021-12-18 15:47:44,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-12-18 15:47:44,414 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:44,414 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:47:44,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 15:47:44,415 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:47:44,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:44,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1497997390, now seen corresponding path program 1 times [2021-12-18 15:47:44,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:44,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124318739] [2021-12-18 15:47:44,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:44,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:47:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:47:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:47:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:47:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:47:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:47:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:47:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:47:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:47:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:47:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:47:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:47:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 15:47:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:44,631 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:44,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:44,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124318739] [2021-12-18 15:47:44,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124318739] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:44,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:44,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:44,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080079001] [2021-12-18 15:47:44,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:44,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:44,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:44,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:44,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:44,633 INFO L87 Difference]: Start difference. First operand 3183 states and 4250 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 15:47:47,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:47,348 INFO L93 Difference]: Finished difference Result 3183 states and 4250 transitions. [2021-12-18 15:47:47,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:47,349 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 150 [2021-12-18 15:47:47,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:47,357 INFO L225 Difference]: With dead ends: 3183 [2021-12-18 15:47:47,357 INFO L226 Difference]: Without dead ends: 3181 [2021-12-18 15:47:47,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:47,359 INFO L933 BasicCegarLoop]: 2059 mSDtfsCounter, 3412 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3573 SdHoareTripleChecker+Valid, 4043 SdHoareTripleChecker+Invalid, 4259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:47,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3573 Valid, 4043 Invalid, 4259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-18 15:47:47,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3181 states. [2021-12-18 15:47:47,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3181 to 3181. [2021-12-18 15:47:47,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3181 states, 2058 states have (on average 1.2011661807580174) internal successors, (2472), 2130 states have internal predecessors, (2472), 889 states have call successors, (889), 226 states have call predecessors, (889), 225 states have return successors, (887), 871 states have call predecessors, (887), 887 states have call successors, (887) [2021-12-18 15:47:47,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3181 states to 3181 states and 4248 transitions. [2021-12-18 15:47:47,498 INFO L78 Accepts]: Start accepts. Automaton has 3181 states and 4248 transitions. Word has length 150 [2021-12-18 15:47:47,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:47,498 INFO L470 AbstractCegarLoop]: Abstraction has 3181 states and 4248 transitions. [2021-12-18 15:47:47,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 15:47:47,498 INFO L276 IsEmpty]: Start isEmpty. Operand 3181 states and 4248 transitions. [2021-12-18 15:47:47,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-18 15:47:47,500 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:47,500 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:47:47,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-18 15:47:47,500 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:47:47,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:47,501 INFO L85 PathProgramCache]: Analyzing trace with hash 198254540, now seen corresponding path program 1 times [2021-12-18 15:47:47,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:47,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725217149] [2021-12-18 15:47:47,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:47,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:47:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:47:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:47:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:47:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:47:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:47:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:47:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:47:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:47:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:47:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:47:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:47:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 15:47:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 15:47:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:47,700 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:47,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:47,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725217149] [2021-12-18 15:47:47,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725217149] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:47,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:47,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:47,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315694906] [2021-12-18 15:47:47,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:47,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:47,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:47,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:47,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:47,702 INFO L87 Difference]: Start difference. First operand 3181 states and 4248 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 15:47:50,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:50,622 INFO L93 Difference]: Finished difference Result 3181 states and 4248 transitions. [2021-12-18 15:47:50,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:50,628 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 156 [2021-12-18 15:47:50,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:50,637 INFO L225 Difference]: With dead ends: 3181 [2021-12-18 15:47:50,637 INFO L226 Difference]: Without dead ends: 3179 [2021-12-18 15:47:50,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:50,639 INFO L933 BasicCegarLoop]: 2057 mSDtfsCounter, 3406 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 1951 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3566 SdHoareTripleChecker+Valid, 4041 SdHoareTripleChecker+Invalid, 4257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:50,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3566 Valid, 4041 Invalid, 4257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1951 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-18 15:47:50,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3179 states. [2021-12-18 15:47:50,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3179 to 3179. [2021-12-18 15:47:50,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3179 states, 2057 states have (on average 1.2007778317938747) internal successors, (2470), 2128 states have internal predecessors, (2470), 889 states have call successors, (889), 226 states have call predecessors, (889), 225 states have return successors, (887), 871 states have call predecessors, (887), 887 states have call successors, (887) [2021-12-18 15:47:50,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 3179 states and 4246 transitions. [2021-12-18 15:47:50,837 INFO L78 Accepts]: Start accepts. Automaton has 3179 states and 4246 transitions. Word has length 156 [2021-12-18 15:47:50,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:50,837 INFO L470 AbstractCegarLoop]: Abstraction has 3179 states and 4246 transitions. [2021-12-18 15:47:50,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 15:47:50,838 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 4246 transitions. [2021-12-18 15:47:50,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-18 15:47:50,840 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:50,841 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:47:50,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-18 15:47:50,841 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:47:50,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:50,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1376849069, now seen corresponding path program 1 times [2021-12-18 15:47:50,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:50,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570558579] [2021-12-18 15:47:50,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:50,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:50,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:51,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:47:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:47:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:51,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:47:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:51,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:47:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:51,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:47:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:51,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:47:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:51,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:47:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:47:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:51,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:47:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:51,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:47:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:51,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:47:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:51,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:47:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:51,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 15:47:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:51,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 15:47:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:51,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 15:47:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:51,105 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:51,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:51,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570558579] [2021-12-18 15:47:51,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570558579] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:51,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:51,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:51,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270849508] [2021-12-18 15:47:51,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:51,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:51,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:51,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:51,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:51,109 INFO L87 Difference]: Start difference. First operand 3179 states and 4246 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 15:47:53,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:53,969 INFO L93 Difference]: Finished difference Result 3179 states and 4246 transitions. [2021-12-18 15:47:53,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:53,969 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 162 [2021-12-18 15:47:53,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:53,979 INFO L225 Difference]: With dead ends: 3179 [2021-12-18 15:47:53,979 INFO L226 Difference]: Without dead ends: 3177 [2021-12-18 15:47:53,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:53,982 INFO L933 BasicCegarLoop]: 2055 mSDtfsCounter, 3400 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 1949 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3559 SdHoareTripleChecker+Valid, 4039 SdHoareTripleChecker+Invalid, 4255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:53,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3559 Valid, 4039 Invalid, 4255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1949 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-18 15:47:53,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3177 states. [2021-12-18 15:47:54,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3177 to 3177. [2021-12-18 15:47:54,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3177 states, 2056 states have (on average 1.2003891050583657) internal successors, (2468), 2126 states have internal predecessors, (2468), 889 states have call successors, (889), 226 states have call predecessors, (889), 225 states have return successors, (887), 871 states have call predecessors, (887), 887 states have call successors, (887) [2021-12-18 15:47:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 4244 transitions. [2021-12-18 15:47:54,175 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 4244 transitions. Word has length 162 [2021-12-18 15:47:54,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:54,175 INFO L470 AbstractCegarLoop]: Abstraction has 3177 states and 4244 transitions. [2021-12-18 15:47:54,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 15:47:54,176 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 4244 transitions. [2021-12-18 15:47:54,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-18 15:47:54,178 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:54,178 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:47:54,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-18 15:47:54,178 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:47:54,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:54,178 INFO L85 PathProgramCache]: Analyzing trace with hash 292960699, now seen corresponding path program 1 times [2021-12-18 15:47:54,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:54,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523929340] [2021-12-18 15:47:54,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:54,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:47:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:47:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:47:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:47:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:47:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:47:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:47:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:47:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:47:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:47:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:47:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:47:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 15:47:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 15:47:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 15:47:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:47:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:54,371 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:54,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:54,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523929340] [2021-12-18 15:47:54,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523929340] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:54,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:54,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:54,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493766755] [2021-12-18 15:47:54,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:54,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:54,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:54,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:54,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:54,374 INFO L87 Difference]: Start difference. First operand 3177 states and 4244 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-18 15:47:57,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:47:57,162 INFO L93 Difference]: Finished difference Result 3177 states and 4244 transitions. [2021-12-18 15:47:57,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:47:57,162 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2021-12-18 15:47:57,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:47:57,170 INFO L225 Difference]: With dead ends: 3177 [2021-12-18 15:47:57,171 INFO L226 Difference]: Without dead ends: 3175 [2021-12-18 15:47:57,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:47:57,172 INFO L933 BasicCegarLoop]: 2053 mSDtfsCounter, 3394 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 1947 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3552 SdHoareTripleChecker+Valid, 4037 SdHoareTripleChecker+Invalid, 4253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:47:57,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3552 Valid, 4037 Invalid, 4253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1947 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-18 15:47:57,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2021-12-18 15:47:57,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 3175. [2021-12-18 15:47:57,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3175 states, 2055 states have (on average 1.2) internal successors, (2466), 2124 states have internal predecessors, (2466), 889 states have call successors, (889), 226 states have call predecessors, (889), 225 states have return successors, (887), 871 states have call predecessors, (887), 887 states have call successors, (887) [2021-12-18 15:47:57,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3175 states to 3175 states and 4242 transitions. [2021-12-18 15:47:57,347 INFO L78 Accepts]: Start accepts. Automaton has 3175 states and 4242 transitions. Word has length 168 [2021-12-18 15:47:57,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:47:57,347 INFO L470 AbstractCegarLoop]: Abstraction has 3175 states and 4242 transitions. [2021-12-18 15:47:57,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-18 15:47:57,348 INFO L276 IsEmpty]: Start isEmpty. Operand 3175 states and 4242 transitions. [2021-12-18 15:47:57,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-18 15:47:57,350 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:47:57,350 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:47:57,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-18 15:47:57,350 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:47:57,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:47:57,351 INFO L85 PathProgramCache]: Analyzing trace with hash 888255373, now seen corresponding path program 1 times [2021-12-18 15:47:57,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:47:57,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645692130] [2021-12-18 15:47:57,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:47:57,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:47:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:47:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:47:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:47:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:47:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:47:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:47:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:47:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:47:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:47:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:47:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:47:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:47:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:47:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:47:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:47:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:47:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:47:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:47:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:47:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:47:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:47:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:47:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 15:47:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 15:47:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 15:47:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:47:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 15:47:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:47:57,553 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:47:57,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:47:57,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645692130] [2021-12-18 15:47:57,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645692130] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:47:57,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:47:57,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:47:57,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293176558] [2021-12-18 15:47:57,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:47:57,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:47:57,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:47:57,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:47:57,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:47:57,555 INFO L87 Difference]: Start difference. First operand 3175 states and 4242 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 15:48:00,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:00,461 INFO L93 Difference]: Finished difference Result 3175 states and 4242 transitions. [2021-12-18 15:48:00,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:48:00,462 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2021-12-18 15:48:00,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:00,471 INFO L225 Difference]: With dead ends: 3175 [2021-12-18 15:48:00,471 INFO L226 Difference]: Without dead ends: 3173 [2021-12-18 15:48:00,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:48:00,473 INFO L933 BasicCegarLoop]: 2051 mSDtfsCounter, 3388 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 1945 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3545 SdHoareTripleChecker+Valid, 4035 SdHoareTripleChecker+Invalid, 4251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:00,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3545 Valid, 4035 Invalid, 4251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1945 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-18 15:48:00,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3173 states. [2021-12-18 15:48:00,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3173 to 3173. [2021-12-18 15:48:00,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3173 states, 2054 states have (on average 1.1996105160662123) internal successors, (2464), 2122 states have internal predecessors, (2464), 889 states have call successors, (889), 226 states have call predecessors, (889), 225 states have return successors, (887), 871 states have call predecessors, (887), 887 states have call successors, (887) [2021-12-18 15:48:00,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 3173 states and 4240 transitions. [2021-12-18 15:48:00,653 INFO L78 Accepts]: Start accepts. Automaton has 3173 states and 4240 transitions. Word has length 174 [2021-12-18 15:48:00,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:00,653 INFO L470 AbstractCegarLoop]: Abstraction has 3173 states and 4240 transitions. [2021-12-18 15:48:00,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 15:48:00,654 INFO L276 IsEmpty]: Start isEmpty. Operand 3173 states and 4240 transitions. [2021-12-18 15:48:00,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-18 15:48:00,656 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:00,656 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:48:00,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-18 15:48:00,657 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:48:00,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:00,657 INFO L85 PathProgramCache]: Analyzing trace with hash 902084397, now seen corresponding path program 1 times [2021-12-18 15:48:00,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:00,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856985009] [2021-12-18 15:48:00,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:00,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 15:48:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 15:48:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:48:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:48:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:48:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 15:48:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 15:48:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:48:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:48:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:48:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:48:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:48:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:48:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:48:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:48:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:48:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:48:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:48:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 15:48:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 15:48:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 15:48:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:48:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 15:48:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 15:48:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:00,872 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 15:48:00,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:00,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856985009] [2021-12-18 15:48:00,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856985009] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:48:00,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:48:00,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:48:00,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124200107] [2021-12-18 15:48:00,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:48:00,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:48:00,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:00,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:48:00,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:48:00,874 INFO L87 Difference]: Start difference. First operand 3173 states and 4240 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 15:48:03,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:03,722 INFO L93 Difference]: Finished difference Result 3173 states and 4240 transitions. [2021-12-18 15:48:03,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:48:03,722 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 180 [2021-12-18 15:48:03,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:03,741 INFO L225 Difference]: With dead ends: 3173 [2021-12-18 15:48:03,741 INFO L226 Difference]: Without dead ends: 3001 [2021-12-18 15:48:03,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:48:03,745 INFO L933 BasicCegarLoop]: 2050 mSDtfsCounter, 3379 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 1945 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3535 SdHoareTripleChecker+Valid, 4034 SdHoareTripleChecker+Invalid, 4251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 1945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:03,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3535 Valid, 4034 Invalid, 4251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2306 Valid, 1945 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-18 15:48:03,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3001 states. [2021-12-18 15:48:03,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3001 to 3001. [2021-12-18 15:48:03,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 1951 states have (on average 1.2086109687339825) internal successors, (2358), 2017 states have internal predecessors, (2358), 840 states have call successors, (840), 206 states have call predecessors, (840), 206 states have return successors, (840), 824 states have call predecessors, (840), 840 states have call successors, (840) [2021-12-18 15:48:03,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 4038 transitions. [2021-12-18 15:48:03,951 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 4038 transitions. Word has length 180 [2021-12-18 15:48:03,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:03,951 INFO L470 AbstractCegarLoop]: Abstraction has 3001 states and 4038 transitions. [2021-12-18 15:48:03,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 15:48:03,951 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 4038 transitions. [2021-12-18 15:48:03,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-12-18 15:48:03,955 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:03,955 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:48:03,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-18 15:48:03,956 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:48:03,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:03,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1351933822, now seen corresponding path program 1 times [2021-12-18 15:48:03,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:03,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091424702] [2021-12-18 15:48:03,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:03,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:48:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:48:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:48:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:48:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:48:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:48:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 15:48:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:48:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 15:48:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:48:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 15:48:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:48:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 15:48:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 15:48:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 15:48:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 15:48:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:48:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:48:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 15:48:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2021-12-18 15:48:04,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:04,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091424702] [2021-12-18 15:48:04,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091424702] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:48:04,241 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:48:04,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 15:48:04,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901975208] [2021-12-18 15:48:04,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:48:04,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 15:48:04,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:04,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 15:48:04,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:48:04,243 INFO L87 Difference]: Start difference. First operand 3001 states and 4038 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (35), 7 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 15:48:09,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:09,808 INFO L93 Difference]: Finished difference Result 3231 states and 4371 transitions. [2021-12-18 15:48:09,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 15:48:09,808 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (35), 7 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) Word has length 226 [2021-12-18 15:48:09,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:09,816 INFO L225 Difference]: With dead ends: 3231 [2021-12-18 15:48:09,816 INFO L226 Difference]: Without dead ends: 3229 [2021-12-18 15:48:09,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2021-12-18 15:48:09,818 INFO L933 BasicCegarLoop]: 1962 mSDtfsCounter, 3860 mSDsluCounter, 4166 mSDsCounter, 0 mSdLazyCounter, 5414 mSolverCounterSat, 3770 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3874 SdHoareTripleChecker+Valid, 6128 SdHoareTripleChecker+Invalid, 9184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3770 IncrementalHoareTripleChecker+Valid, 5414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:09,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3874 Valid, 6128 Invalid, 9184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3770 Valid, 5414 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-18 15:48:09,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3229 states. [2021-12-18 15:48:10,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3229 to 2999. [2021-12-18 15:48:10,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2999 states, 1950 states have (on average 1.2076923076923076) internal successors, (2355), 2015 states have internal predecessors, (2355), 840 states have call successors, (840), 206 states have call predecessors, (840), 206 states have return successors, (840), 824 states have call predecessors, (840), 840 states have call successors, (840) [2021-12-18 15:48:10,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2999 states to 2999 states and 4035 transitions. [2021-12-18 15:48:10,027 INFO L78 Accepts]: Start accepts. Automaton has 2999 states and 4035 transitions. Word has length 226 [2021-12-18 15:48:10,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:10,028 INFO L470 AbstractCegarLoop]: Abstraction has 2999 states and 4035 transitions. [2021-12-18 15:48:10,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (35), 7 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 15:48:10,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2999 states and 4035 transitions. [2021-12-18 15:48:10,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-12-18 15:48:10,031 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:10,031 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:48:10,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-18 15:48:10,032 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:48:10,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:10,032 INFO L85 PathProgramCache]: Analyzing trace with hash 754575172, now seen corresponding path program 1 times [2021-12-18 15:48:10,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:10,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774737326] [2021-12-18 15:48:10,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:10,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:48:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:48:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:48:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:48:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:48:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:48:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:48:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:48:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 15:48:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 15:48:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 15:48:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 15:48:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-18 15:48:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 15:48:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 15:48:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 15:48:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:10,384 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 15:48:10,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:10,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774737326] [2021-12-18 15:48:10,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774737326] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:48:10,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:48:10,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:48:10,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304002933] [2021-12-18 15:48:10,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:48:10,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:48:10,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:10,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:48:10,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:48:10,387 INFO L87 Difference]: Start difference. First operand 2999 states and 4035 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 15:48:15,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:15,209 INFO L93 Difference]: Finished difference Result 6287 states and 8494 transitions. [2021-12-18 15:48:15,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 15:48:15,209 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 220 [2021-12-18 15:48:15,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:15,217 INFO L225 Difference]: With dead ends: 6287 [2021-12-18 15:48:15,217 INFO L226 Difference]: Without dead ends: 3307 [2021-12-18 15:48:15,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-18 15:48:15,224 INFO L933 BasicCegarLoop]: 1755 mSDtfsCounter, 3030 mSDsluCounter, 2520 mSDsCounter, 0 mSdLazyCounter, 3480 mSolverCounterSat, 3244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3030 SdHoareTripleChecker+Valid, 4275 SdHoareTripleChecker+Invalid, 6724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3244 IncrementalHoareTripleChecker+Valid, 3480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:15,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3030 Valid, 4275 Invalid, 6724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3244 Valid, 3480 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-18 15:48:15,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3307 states. [2021-12-18 15:48:15,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3307 to 3000. [2021-12-18 15:48:15,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3000 states, 1951 states have (on average 1.2075858534085084) internal successors, (2356), 2016 states have internal predecessors, (2356), 840 states have call successors, (840), 206 states have call predecessors, (840), 206 states have return successors, (840), 824 states have call predecessors, (840), 840 states have call successors, (840) [2021-12-18 15:48:15,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 3000 states and 4036 transitions. [2021-12-18 15:48:15,385 INFO L78 Accepts]: Start accepts. Automaton has 3000 states and 4036 transitions. Word has length 220 [2021-12-18 15:48:15,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:15,385 INFO L470 AbstractCegarLoop]: Abstraction has 3000 states and 4036 transitions. [2021-12-18 15:48:15,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 15:48:15,386 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 4036 transitions. [2021-12-18 15:48:15,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-12-18 15:48:15,388 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:15,388 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:48:15,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-18 15:48:15,388 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:48:15,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:15,389 INFO L85 PathProgramCache]: Analyzing trace with hash 246477364, now seen corresponding path program 1 times [2021-12-18 15:48:15,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:15,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789524041] [2021-12-18 15:48:15,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:15,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:48:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:48:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:48:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:48:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:48:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:48:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:48:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:48:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 15:48:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 15:48:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 15:48:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 15:48:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 15:48:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 15:48:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 15:48:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 15:48:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:15,639 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2021-12-18 15:48:15,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:15,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789524041] [2021-12-18 15:48:15,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789524041] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:48:15,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353021186] [2021-12-18 15:48:15,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:15,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:48:15,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:48:15,641 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 15:48:15,642 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 15:48:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:16,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 2621 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 15:48:16,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:48:16,555 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-12-18 15:48:16,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:48:16,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353021186] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:48:16,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 15:48:16,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-12-18 15:48:16,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529168795] [2021-12-18 15:48:16,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:48:16,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 15:48:16,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:16,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 15:48:16,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:48:16,557 INFO L87 Difference]: Start difference. First operand 3000 states and 4036 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 15:48:16,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:16,786 INFO L93 Difference]: Finished difference Result 6689 states and 9078 transitions. [2021-12-18 15:48:16,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 15:48:16,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 223 [2021-12-18 15:48:16,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:16,800 INFO L225 Difference]: With dead ends: 6689 [2021-12-18 15:48:16,800 INFO L226 Difference]: Without dead ends: 3708 [2021-12-18 15:48:16,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:48:16,809 INFO L933 BasicCegarLoop]: 2806 mSDtfsCounter, 389 mSDsluCounter, 2292 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 5098 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:16,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [517 Valid, 5098 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 15:48:16,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3708 states. [2021-12-18 15:48:17,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3708 to 3001. [2021-12-18 15:48:17,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 1952 states have (on average 1.2074795081967213) internal successors, (2357), 2017 states have internal predecessors, (2357), 840 states have call successors, (840), 206 states have call predecessors, (840), 206 states have return successors, (840), 824 states have call predecessors, (840), 840 states have call successors, (840) [2021-12-18 15:48:17,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 4037 transitions. [2021-12-18 15:48:17,024 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 4037 transitions. Word has length 223 [2021-12-18 15:48:17,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:17,025 INFO L470 AbstractCegarLoop]: Abstraction has 3001 states and 4037 transitions. [2021-12-18 15:48:17,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 15:48:17,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 4037 transitions. [2021-12-18 15:48:17,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-12-18 15:48:17,028 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:17,028 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:48:17,053 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 15:48:17,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-12-18 15:48:17,251 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:48:17,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:17,251 INFO L85 PathProgramCache]: Analyzing trace with hash 235007210, now seen corresponding path program 1 times [2021-12-18 15:48:17,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:17,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578415760] [2021-12-18 15:48:17,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:17,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:48:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:48:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:48:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:48:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:48:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:48:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 15:48:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:48:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 15:48:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:48:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 15:48:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:48:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 15:48:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 15:48:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:48:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:48:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 15:48:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 15:48:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 15:48:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-18 15:48:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-18 15:48:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 15:48:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2021-12-18 15:48:17,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:17,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578415760] [2021-12-18 15:48:17,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578415760] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:48:17,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:48:17,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 15:48:17,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73907729] [2021-12-18 15:48:17,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:48:17,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 15:48:17,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:17,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 15:48:17,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:48:17,506 INFO L87 Difference]: Start difference. First operand 3001 states and 4037 transitions. Second operand has 8 states, 8 states have (on average 12.75) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (37), 7 states have call predecessors, (37), 2 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 15:48:22,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:22,752 INFO L93 Difference]: Finished difference Result 6420 states and 8709 transitions. [2021-12-18 15:48:22,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-18 15:48:22,752 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (37), 7 states have call predecessors, (37), 2 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) Word has length 243 [2021-12-18 15:48:22,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:22,769 INFO L225 Difference]: With dead ends: 6420 [2021-12-18 15:48:22,769 INFO L226 Difference]: Without dead ends: 3438 [2021-12-18 15:48:22,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2021-12-18 15:48:22,780 INFO L933 BasicCegarLoop]: 1754 mSDtfsCounter, 3808 mSDsluCounter, 2964 mSDsCounter, 0 mSdLazyCounter, 4100 mSolverCounterSat, 4158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3808 SdHoareTripleChecker+Valid, 4718 SdHoareTripleChecker+Invalid, 8258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4158 IncrementalHoareTripleChecker+Valid, 4100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:22,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3808 Valid, 4718 Invalid, 8258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4158 Valid, 4100 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-12-18 15:48:22,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3438 states. [2021-12-18 15:48:22,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3438 to 3005. [2021-12-18 15:48:22,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3005 states, 1956 states have (on average 1.2070552147239264) internal successors, (2361), 2021 states have internal predecessors, (2361), 840 states have call successors, (840), 206 states have call predecessors, (840), 206 states have return successors, (840), 824 states have call predecessors, (840), 840 states have call successors, (840) [2021-12-18 15:48:22,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 3005 states and 4041 transitions. [2021-12-18 15:48:22,999 INFO L78 Accepts]: Start accepts. Automaton has 3005 states and 4041 transitions. Word has length 243 [2021-12-18 15:48:22,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:22,999 INFO L470 AbstractCegarLoop]: Abstraction has 3005 states and 4041 transitions. [2021-12-18 15:48:22,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (37), 7 states have call predecessors, (37), 2 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 15:48:22,999 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 4041 transitions. [2021-12-18 15:48:23,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-12-18 15:48:23,004 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:23,004 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:48:23,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-18 15:48:23,004 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:48:23,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:23,005 INFO L85 PathProgramCache]: Analyzing trace with hash -865677046, now seen corresponding path program 1 times [2021-12-18 15:48:23,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:23,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543168876] [2021-12-18 15:48:23,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:23,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:48:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:48:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:48:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:48:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:48:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:48:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 15:48:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:48:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 15:48:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:48:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 15:48:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:48:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 15:48:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 15:48:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:48:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:48:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 15:48:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 15:48:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 15:48:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-18 15:48:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-18 15:48:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 15:48:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,277 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2021-12-18 15:48:23,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:23,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543168876] [2021-12-18 15:48:23,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543168876] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:48:23,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009968224] [2021-12-18 15:48:23,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:23,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:48:23,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:48:23,279 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 15:48:23,280 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 15:48:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:23,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 2320 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 15:48:23,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:48:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-12-18 15:48:24,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 15:48:24,659 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2021-12-18 15:48:24,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009968224] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 15:48:24,660 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 15:48:24,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 11 [2021-12-18 15:48:24,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746873098] [2021-12-18 15:48:24,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 15:48:24,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 15:48:24,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:24,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 15:48:24,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-18 15:48:24,661 INFO L87 Difference]: Start difference. First operand 3005 states and 4041 transitions. Second operand has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 6 states have internal predecessors, (130), 3 states have call successors, (52), 7 states have call predecessors, (52), 2 states have return successors, (36), 2 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-18 15:48:31,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:31,201 INFO L93 Difference]: Finished difference Result 6560 states and 8915 transitions. [2021-12-18 15:48:31,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-18 15:48:31,202 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 6 states have internal predecessors, (130), 3 states have call successors, (52), 7 states have call predecessors, (52), 2 states have return successors, (36), 2 states have call predecessors, (36), 3 states have call successors, (36) Word has length 251 [2021-12-18 15:48:31,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:31,212 INFO L225 Difference]: With dead ends: 6560 [2021-12-18 15:48:31,213 INFO L226 Difference]: Without dead ends: 3574 [2021-12-18 15:48:31,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 576 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=252, Invalid=560, Unknown=0, NotChecked=0, Total=812 [2021-12-18 15:48:31,221 INFO L933 BasicCegarLoop]: 1758 mSDtfsCounter, 3984 mSDsluCounter, 3975 mSDsCounter, 0 mSdLazyCounter, 5398 mSolverCounterSat, 4373 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3984 SdHoareTripleChecker+Valid, 5733 SdHoareTripleChecker+Invalid, 9771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4373 IncrementalHoareTripleChecker+Valid, 5398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:31,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3984 Valid, 5733 Invalid, 9771 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4373 Valid, 5398 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-12-18 15:48:31,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3574 states. [2021-12-18 15:48:31,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3574 to 3101. [2021-12-18 15:48:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3101 states, 2028 states have (on average 1.205621301775148) internal successors, (2445), 2093 states have internal predecessors, (2445), 864 states have call successors, (864), 206 states have call predecessors, (864), 206 states have return successors, (864), 848 states have call predecessors, (864), 864 states have call successors, (864) [2021-12-18 15:48:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 3101 states and 4173 transitions. [2021-12-18 15:48:31,407 INFO L78 Accepts]: Start accepts. Automaton has 3101 states and 4173 transitions. Word has length 251 [2021-12-18 15:48:31,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:31,407 INFO L470 AbstractCegarLoop]: Abstraction has 3101 states and 4173 transitions. [2021-12-18 15:48:31,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 6 states have internal predecessors, (130), 3 states have call successors, (52), 7 states have call predecessors, (52), 2 states have return successors, (36), 2 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-18 15:48:31,408 INFO L276 IsEmpty]: Start isEmpty. Operand 3101 states and 4173 transitions. [2021-12-18 15:48:31,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-18 15:48:31,412 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:31,412 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-18 15:48:31,434 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 15:48:31,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-12-18 15:48:31,627 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:48:31,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:31,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1031195737, now seen corresponding path program 1 times [2021-12-18 15:48:31,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:31,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244713786] [2021-12-18 15:48:31,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:31,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:48:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:48:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:48:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:48:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:48:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:48:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:48:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:48:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 15:48:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 15:48:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 15:48:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 15:48:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:48:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 15:48:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 15:48:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 15:48:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 15:48:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 15:48:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2021-12-18 15:48:31,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:31,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244713786] [2021-12-18 15:48:31,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244713786] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:48:31,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256690697] [2021-12-18 15:48:31,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:31,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:48:31,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:48:31,915 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 15:48:31,915 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 15:48:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:32,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 2744 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 15:48:32,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:48:32,864 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 68 proven. 1 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2021-12-18 15:48:32,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 15:48:33,243 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2021-12-18 15:48:33,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256690697] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 15:48:33,243 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 15:48:33,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2021-12-18 15:48:33,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237260158] [2021-12-18 15:48:33,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 15:48:33,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 15:48:33,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:33,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 15:48:33,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-12-18 15:48:33,245 INFO L87 Difference]: Start difference. First operand 3101 states and 4173 transitions. Second operand has 11 states, 11 states have (on average 14.636363636363637) internal successors, (161), 7 states have internal predecessors, (161), 2 states have call successors, (50), 6 states have call predecessors, (50), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 15:48:39,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:39,408 INFO L93 Difference]: Finished difference Result 6583 states and 8894 transitions. [2021-12-18 15:48:39,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-18 15:48:39,409 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.636363636363637) internal successors, (161), 7 states have internal predecessors, (161), 2 states have call successors, (50), 6 states have call predecessors, (50), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 253 [2021-12-18 15:48:39,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:39,422 INFO L225 Difference]: With dead ends: 6583 [2021-12-18 15:48:39,422 INFO L226 Difference]: Without dead ends: 3501 [2021-12-18 15:48:39,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 589 GetRequests, 574 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2021-12-18 15:48:39,432 INFO L933 BasicCegarLoop]: 1755 mSDtfsCounter, 3036 mSDsluCounter, 4514 mSDsCounter, 0 mSdLazyCounter, 5927 mSolverCounterSat, 3250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3036 SdHoareTripleChecker+Valid, 6269 SdHoareTripleChecker+Invalid, 9177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3250 IncrementalHoareTripleChecker+Valid, 5927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:39,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3036 Valid, 6269 Invalid, 9177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3250 Valid, 5927 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-12-18 15:48:39,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3501 states. [2021-12-18 15:48:39,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3501 to 3110. [2021-12-18 15:48:39,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3110 states, 2037 states have (on average 1.2047128129602356) internal successors, (2454), 2102 states have internal predecessors, (2454), 864 states have call successors, (864), 206 states have call predecessors, (864), 206 states have return successors, (864), 848 states have call predecessors, (864), 864 states have call successors, (864) [2021-12-18 15:48:39,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3110 states to 3110 states and 4182 transitions. [2021-12-18 15:48:39,646 INFO L78 Accepts]: Start accepts. Automaton has 3110 states and 4182 transitions. Word has length 253 [2021-12-18 15:48:39,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:39,647 INFO L470 AbstractCegarLoop]: Abstraction has 3110 states and 4182 transitions. [2021-12-18 15:48:39,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.636363636363637) internal successors, (161), 7 states have internal predecessors, (161), 2 states have call successors, (50), 6 states have call predecessors, (50), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 15:48:39,647 INFO L276 IsEmpty]: Start isEmpty. Operand 3110 states and 4182 transitions. [2021-12-18 15:48:39,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-12-18 15:48:39,651 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:39,652 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:48:39,677 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 15:48:39,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:48:39,874 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:48:39,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:39,875 INFO L85 PathProgramCache]: Analyzing trace with hash -842745495, now seen corresponding path program 2 times [2021-12-18 15:48:39,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:39,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900222461] [2021-12-18 15:48:39,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:39,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:48:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:48:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:48:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:48:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:48:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:48:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:48:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:48:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 15:48:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 15:48:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-18 15:48:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:48:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:48:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 15:48:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 15:48:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 15:48:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-18 15:48:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-18 15:48:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2021-12-18 15:48:40,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:40,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900222461] [2021-12-18 15:48:40,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900222461] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:48:40,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:48:40,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 15:48:40,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472280350] [2021-12-18 15:48:40,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:48:40,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 15:48:40,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:40,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 15:48:40,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:48:40,322 INFO L87 Difference]: Start difference. First operand 3110 states and 4182 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 15:48:47,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:47,778 INFO L93 Difference]: Finished difference Result 7314 states and 9974 transitions. [2021-12-18 15:48:47,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-18 15:48:47,779 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 262 [2021-12-18 15:48:47,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:47,791 INFO L225 Difference]: With dead ends: 7314 [2021-12-18 15:48:47,791 INFO L226 Difference]: Without dead ends: 4223 [2021-12-18 15:48:47,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2021-12-18 15:48:47,798 INFO L933 BasicCegarLoop]: 2393 mSDtfsCounter, 3426 mSDsluCounter, 7375 mSDsCounter, 0 mSdLazyCounter, 6523 mSolverCounterSat, 3246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3571 SdHoareTripleChecker+Valid, 9768 SdHoareTripleChecker+Invalid, 9769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3246 IncrementalHoareTripleChecker+Valid, 6523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:47,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3571 Valid, 9768 Invalid, 9769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3246 Valid, 6523 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2021-12-18 15:48:47,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4223 states. [2021-12-18 15:48:47,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4223 to 3114. [2021-12-18 15:48:47,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3114 states, 2040 states have (on average 1.2044117647058823) internal successors, (2457), 2105 states have internal predecessors, (2457), 864 states have call successors, (864), 206 states have call predecessors, (864), 207 states have return successors, (866), 849 states have call predecessors, (866), 864 states have call successors, (866) [2021-12-18 15:48:48,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 4187 transitions. [2021-12-18 15:48:48,002 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 4187 transitions. Word has length 262 [2021-12-18 15:48:48,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:48,002 INFO L470 AbstractCegarLoop]: Abstraction has 3114 states and 4187 transitions. [2021-12-18 15:48:48,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 15:48:48,003 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 4187 transitions. [2021-12-18 15:48:48,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-12-18 15:48:48,007 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:48,008 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:48:48,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-12-18 15:48:48,008 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:48:48,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:48,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1975078685, now seen corresponding path program 1 times [2021-12-18 15:48:48,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:48,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103013727] [2021-12-18 15:48:48,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:48,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:48:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:48:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:48:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:48:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:48:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:48:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:48:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:48:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 15:48:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 15:48:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-18 15:48:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:48:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:48:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 15:48:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-18 15:48:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 15:48:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-18 15:48:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 15:48:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:48,297 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2021-12-18 15:48:48,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:48,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103013727] [2021-12-18 15:48:48,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103013727] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:48:48,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702817098] [2021-12-18 15:48:48,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:48,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:48:48,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:48:48,299 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 15:48:48,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-18 15:48:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:49,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 2842 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-18 15:48:49,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:48:49,401 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 68 proven. 22 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2021-12-18 15:48:49,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 15:48:49,771 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2021-12-18 15:48:49,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702817098] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 15:48:49,771 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 15:48:49,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2021-12-18 15:48:49,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541650938] [2021-12-18 15:48:49,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 15:48:49,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-18 15:48:49,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:49,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-18 15:48:49,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:48:49,773 INFO L87 Difference]: Start difference. First operand 3114 states and 4187 transitions. Second operand has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 10 states have internal predecessors, (184), 3 states have call successors, (51), 6 states have call predecessors, (51), 2 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-18 15:48:57,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:57,854 INFO L93 Difference]: Finished difference Result 8055 states and 11070 transitions. [2021-12-18 15:48:57,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-18 15:48:57,855 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 10 states have internal predecessors, (184), 3 states have call successors, (51), 6 states have call predecessors, (51), 2 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 263 [2021-12-18 15:48:57,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:57,884 INFO L225 Difference]: With dead ends: 8055 [2021-12-18 15:48:57,884 INFO L226 Difference]: Without dead ends: 4960 [2021-12-18 15:48:57,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 591 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=213, Invalid=779, Unknown=0, NotChecked=0, Total=992 [2021-12-18 15:48:57,893 INFO L933 BasicCegarLoop]: 2422 mSDtfsCounter, 3838 mSDsluCounter, 6955 mSDsCounter, 0 mSdLazyCounter, 7203 mSolverCounterSat, 3389 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4118 SdHoareTripleChecker+Valid, 9377 SdHoareTripleChecker+Invalid, 10592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3389 IncrementalHoareTripleChecker+Valid, 7203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:57,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4118 Valid, 9377 Invalid, 10592 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3389 Valid, 7203 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2021-12-18 15:48:57,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4960 states. [2021-12-18 15:48:58,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4960 to 3130. [2021-12-18 15:48:58,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3130 states, 2054 states have (on average 1.2039922103213243) internal successors, (2473), 2118 states have internal predecessors, (2473), 866 states have call successors, (866), 206 states have call predecessors, (866), 207 states have return successors, (870), 852 states have call predecessors, (870), 866 states have call successors, (870) [2021-12-18 15:48:58,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3130 states to 3130 states and 4209 transitions. [2021-12-18 15:48:58,102 INFO L78 Accepts]: Start accepts. Automaton has 3130 states and 4209 transitions. Word has length 263 [2021-12-18 15:48:58,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:58,103 INFO L470 AbstractCegarLoop]: Abstraction has 3130 states and 4209 transitions. [2021-12-18 15:48:58,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 10 states have internal predecessors, (184), 3 states have call successors, (51), 6 states have call predecessors, (51), 2 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-18 15:48:58,103 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states and 4209 transitions. [2021-12-18 15:48:58,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-12-18 15:48:58,107 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:58,108 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 15:48:58,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-18 15:48:58,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:48:58,320 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:48:58,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:58,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1925567390, now seen corresponding path program 1 times [2021-12-18 15:48:58,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:58,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931561496] [2021-12-18 15:48:58,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:58,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:48:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:48:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:48:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:48:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:48:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:48:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:48:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:48:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 15:48:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:48:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 15:48:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:48:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 15:48:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:48:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 15:48:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 15:48:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:48:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:48:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 15:48:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 15:48:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 15:48:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-18 15:48:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:48:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 15:48:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:48:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 15:48:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-18 15:48:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,778 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2021-12-18 15:48:58,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:58,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931561496] [2021-12-18 15:48:58,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931561496] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:48:58,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010027709] [2021-12-18 15:48:58,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:58,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:48:58,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:48:58,784 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 15:48:58,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-18 15:48:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:59,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 2619 conjuncts, 42 conjunts are in the unsatisfiable core [2021-12-18 15:48:59,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:49:00,081 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2021-12-18 15:49:00,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:49:00,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010027709] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:49:00,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 15:49:00,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [11] total 23 [2021-12-18 15:49:00,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591053438] [2021-12-18 15:49:00,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:49:00,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-18 15:49:00,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:49:00,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-18 15:49:00,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2021-12-18 15:49:00,082 INFO L87 Difference]: Start difference. First operand 3130 states and 4209 transitions. Second operand has 14 states, 13 states have (on average 9.76923076923077) internal successors, (127), 13 states have internal predecessors, (127), 6 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2021-12-18 15:49:01,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:49:01,121 INFO L93 Difference]: Finished difference Result 7518 states and 10233 transitions. [2021-12-18 15:49:01,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-18 15:49:01,121 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.76923076923077) internal successors, (127), 13 states have internal predecessors, (127), 6 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 285 [2021-12-18 15:49:01,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:49:01,137 INFO L225 Difference]: With dead ends: 7518 [2021-12-18 15:49:01,138 INFO L226 Difference]: Without dead ends: 4406 [2021-12-18 15:49:01,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=1106, Unknown=0, NotChecked=0, Total=1260 [2021-12-18 15:49:01,148 INFO L933 BasicCegarLoop]: 2721 mSDtfsCounter, 1563 mSDsluCounter, 30506 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 514 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1656 SdHoareTripleChecker+Valid, 33227 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 514 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:49:01,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1656 Valid, 33227 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [514 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-18 15:49:01,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4406 states. [2021-12-18 15:49:01,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4406 to 3145. [2021-12-18 15:49:01,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3145 states, 2065 states have (on average 1.2029055690072639) internal successors, (2484), 2129 states have internal predecessors, (2484), 870 states have call successors, (870), 206 states have call predecessors, (870), 207 states have return successors, (874), 856 states have call predecessors, (874), 870 states have call successors, (874) [2021-12-18 15:49:01,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 3145 states and 4228 transitions. [2021-12-18 15:49:01,433 INFO L78 Accepts]: Start accepts. Automaton has 3145 states and 4228 transitions. Word has length 285 [2021-12-18 15:49:01,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:49:01,434 INFO L470 AbstractCegarLoop]: Abstraction has 3145 states and 4228 transitions. [2021-12-18 15:49:01,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.76923076923077) internal successors, (127), 13 states have internal predecessors, (127), 6 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2021-12-18 15:49:01,434 INFO L276 IsEmpty]: Start isEmpty. Operand 3145 states and 4228 transitions. [2021-12-18 15:49:01,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-12-18 15:49:01,438 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:49:01,439 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:49:01,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-18 15:49:01,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:49:01,644 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:49:01,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:49:01,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1111470815, now seen corresponding path program 1 times [2021-12-18 15:49:01,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:49:01,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579522586] [2021-12-18 15:49:01,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:01,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:49:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:49:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:49:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:49:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:49:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:49:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:49:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:49:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:49:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 15:49:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:49:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 15:49:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-18 15:49:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 15:49:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 15:49:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:49:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-18 15:49:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 15:49:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:49:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:49:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 15:49:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 15:49:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-18 15:49:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 15:49:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:49:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-18 15:49:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:49:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 15:49:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-18 15:49:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:01,974 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2021-12-18 15:49:01,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:49:01,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579522586] [2021-12-18 15:49:01,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579522586] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:49:01,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363853868] [2021-12-18 15:49:01,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:01,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:49:01,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:49:01,976 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 15:49:01,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-18 15:49:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:02,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 2638 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-18 15:49:02,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:49:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2021-12-18 15:49:03,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:49:03,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363853868] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:49:03,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 15:49:03,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [11] total 24 [2021-12-18 15:49:03,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210373866] [2021-12-18 15:49:03,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:49:03,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-18 15:49:03,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:49:03,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-18 15:49:03,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2021-12-18 15:49:03,192 INFO L87 Difference]: Start difference. First operand 3145 states and 4228 transitions. Second operand has 15 states, 14 states have (on average 9.357142857142858) internal successors, (131), 14 states have internal predecessors, (131), 7 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (35), 7 states have call predecessors, (35), 7 states have call successors, (35) [2021-12-18 15:49:04,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:49:04,317 INFO L93 Difference]: Finished difference Result 6942 states and 9395 transitions. [2021-12-18 15:49:04,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-18 15:49:04,317 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.357142857142858) internal successors, (131), 14 states have internal predecessors, (131), 7 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (35), 7 states have call predecessors, (35), 7 states have call successors, (35) Word has length 291 [2021-12-18 15:49:04,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:49:04,330 INFO L225 Difference]: With dead ends: 6942 [2021-12-18 15:49:04,330 INFO L226 Difference]: Without dead ends: 3815 [2021-12-18 15:49:04,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=1168, Unknown=0, NotChecked=0, Total=1332 [2021-12-18 15:49:04,339 INFO L933 BasicCegarLoop]: 2644 mSDtfsCounter, 1562 mSDsluCounter, 32251 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 532 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1563 SdHoareTripleChecker+Valid, 34895 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 532 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:49:04,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1563 Valid, 34895 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [532 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-18 15:49:04,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3815 states. [2021-12-18 15:49:04,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3815 to 3148. [2021-12-18 15:49:04,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3148 states, 2066 states have (on average 1.202807357212004) internal successors, (2485), 2131 states have internal predecessors, (2485), 872 states have call successors, (872), 206 states have call predecessors, (872), 207 states have return successors, (876), 858 states have call predecessors, (876), 872 states have call successors, (876) [2021-12-18 15:49:04,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 4233 transitions. [2021-12-18 15:49:04,567 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 4233 transitions. Word has length 291 [2021-12-18 15:49:04,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:49:04,567 INFO L470 AbstractCegarLoop]: Abstraction has 3148 states and 4233 transitions. [2021-12-18 15:49:04,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.357142857142858) internal successors, (131), 14 states have internal predecessors, (131), 7 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (35), 7 states have call predecessors, (35), 7 states have call successors, (35) [2021-12-18 15:49:04,567 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 4233 transitions. [2021-12-18 15:49:04,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-12-18 15:49:04,572 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:49:04,572 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:49:04,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-18 15:49:04,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:49:04,773 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:49:04,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:49:04,773 INFO L85 PathProgramCache]: Analyzing trace with hash -843086470, now seen corresponding path program 1 times [2021-12-18 15:49:04,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:49:04,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125408741] [2021-12-18 15:49:04,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:04,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:49:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:49:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:49:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:49:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:49:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:49:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:49:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:49:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:49:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 15:49:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:49:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:49:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 15:49:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 15:49:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 15:49:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:04,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 15:49:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 15:49:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 15:49:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 15:49:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-18 15:49:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 15:49:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 15:49:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 15:49:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 15:49:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-18 15:49:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-18 15:49:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 15:49:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 15:49:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:49:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:49:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-18 15:49:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 15:49:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 15:49:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 15:49:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-18 15:49:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 15:49:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:05,139 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2021-12-18 15:49:05,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:49:05,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125408741] [2021-12-18 15:49:05,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125408741] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:49:05,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:49:05,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 15:49:05,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363097937] [2021-12-18 15:49:05,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:49:05,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 15:49:05,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:49:05,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 15:49:05,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:49:05,141 INFO L87 Difference]: Start difference. First operand 3148 states and 4233 transitions. Second operand has 8 states, 8 states have (on average 18.25) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (49), 7 states have call predecessors, (49), 1 states have return successors, (45), 2 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 15:49:11,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:49:11,978 INFO L93 Difference]: Finished difference Result 7455 states and 10170 transitions. [2021-12-18 15:49:11,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 15:49:11,978 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.25) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (49), 7 states have call predecessors, (49), 1 states have return successors, (45), 2 states have call predecessors, (45), 3 states have call successors, (45) Word has length 372 [2021-12-18 15:49:11,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:49:11,993 INFO L225 Difference]: With dead ends: 7455 [2021-12-18 15:49:11,993 INFO L226 Difference]: Without dead ends: 4326 [2021-12-18 15:49:12,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-12-18 15:49:12,002 INFO L933 BasicCegarLoop]: 2332 mSDtfsCounter, 4124 mSDsluCounter, 4738 mSDsCounter, 0 mSdLazyCounter, 4699 mSolverCounterSat, 4086 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4264 SdHoareTripleChecker+Valid, 7070 SdHoareTripleChecker+Invalid, 8785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4086 IncrementalHoareTripleChecker+Valid, 4699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:49:12,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4264 Valid, 7070 Invalid, 8785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4086 Valid, 4699 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-12-18 15:49:12,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4326 states. [2021-12-18 15:49:12,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4326 to 3149. [2021-12-18 15:49:12,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3149 states, 2067 states have (on average 1.2027092404450894) internal successors, (2486), 2132 states have internal predecessors, (2486), 872 states have call successors, (872), 206 states have call predecessors, (872), 207 states have return successors, (876), 858 states have call predecessors, (876), 872 states have call successors, (876) [2021-12-18 15:49:12,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 3149 states and 4234 transitions. [2021-12-18 15:49:12,252 INFO L78 Accepts]: Start accepts. Automaton has 3149 states and 4234 transitions. Word has length 372 [2021-12-18 15:49:12,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:49:12,252 INFO L470 AbstractCegarLoop]: Abstraction has 3149 states and 4234 transitions. [2021-12-18 15:49:12,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.25) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (49), 7 states have call predecessors, (49), 1 states have return successors, (45), 2 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 15:49:12,253 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 4234 transitions. [2021-12-18 15:49:12,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-12-18 15:49:12,256 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:49:12,256 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 15:49:12,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-12-18 15:49:12,257 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:49:12,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:49:12,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1921827814, now seen corresponding path program 1 times [2021-12-18 15:49:12,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:49:12,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949993070] [2021-12-18 15:49:12,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:12,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:49:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:49:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:49:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:49:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:49:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:49:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:49:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:49:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:49:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 15:49:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:49:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:49:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 15:49:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 15:49:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 15:49:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 15:49:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 15:49:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 15:49:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:49:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:49:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-18 15:49:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 15:49:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 15:49:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 15:49:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:49:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 15:49:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:49:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 15:49:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 15:49:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:12,627 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2021-12-18 15:49:12,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:49:12,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949993070] [2021-12-18 15:49:12,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949993070] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:49:12,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984926070] [2021-12-18 15:49:12,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:12,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:49:12,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:49:12,629 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 15:49:12,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-18 15:49:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:13,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 2658 conjuncts, 42 conjunts are in the unsatisfiable core [2021-12-18 15:49:13,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:49:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2021-12-18 15:49:13,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:49:13,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984926070] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:49:13,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 15:49:13,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [11] total 24 [2021-12-18 15:49:13,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774391836] [2021-12-18 15:49:13,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:49:13,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-18 15:49:13,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:49:13,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-18 15:49:13,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2021-12-18 15:49:13,825 INFO L87 Difference]: Start difference. First operand 3149 states and 4234 transitions. Second operand has 15 states, 14 states have (on average 9.5) internal successors, (133), 14 states have internal predecessors, (133), 7 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (35), 7 states have call predecessors, (35), 7 states have call successors, (35) [2021-12-18 15:49:15,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:49:15,193 INFO L93 Difference]: Finished difference Result 7590 states and 10327 transitions. [2021-12-18 15:49:15,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-18 15:49:15,193 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.5) internal successors, (133), 14 states have internal predecessors, (133), 7 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (35), 7 states have call predecessors, (35), 7 states have call successors, (35) Word has length 293 [2021-12-18 15:49:15,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:49:15,209 INFO L225 Difference]: With dead ends: 7590 [2021-12-18 15:49:15,209 INFO L226 Difference]: Without dead ends: 4459 [2021-12-18 15:49:15,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=203, Invalid=1357, Unknown=0, NotChecked=0, Total=1560 [2021-12-18 15:49:15,220 INFO L933 BasicCegarLoop]: 2720 mSDtfsCounter, 1609 mSDsluCounter, 33160 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 35880 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 553 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:49:15,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1701 Valid, 35880 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [553 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-18 15:49:15,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4459 states. [2021-12-18 15:49:15,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4459 to 3152. [2021-12-18 15:49:15,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3152 states, 2071 states have (on average 1.2032834379526798) internal successors, (2492), 2136 states have internal predecessors, (2492), 871 states have call successors, (871), 206 states have call predecessors, (871), 207 states have return successors, (875), 856 states have call predecessors, (875), 871 states have call successors, (875) [2021-12-18 15:49:15,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 3152 states and 4238 transitions. [2021-12-18 15:49:15,464 INFO L78 Accepts]: Start accepts. Automaton has 3152 states and 4238 transitions. Word has length 293 [2021-12-18 15:49:15,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:49:15,464 INFO L470 AbstractCegarLoop]: Abstraction has 3152 states and 4238 transitions. [2021-12-18 15:49:15,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.5) internal successors, (133), 14 states have internal predecessors, (133), 7 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (35), 7 states have call predecessors, (35), 7 states have call successors, (35) [2021-12-18 15:49:15,465 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 4238 transitions. [2021-12-18 15:49:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-12-18 15:49:15,466 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:49:15,466 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:49:15,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-18 15:49:15,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-12-18 15:49:15,667 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:49:15,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:49:15,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1526976884, now seen corresponding path program 1 times [2021-12-18 15:49:15,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:49:15,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860759395] [2021-12-18 15:49:15,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:15,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:49:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:49:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:49:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:49:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:49:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:49:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:49:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:49:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:49:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:49:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:49:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 15:49:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 15:49:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:49:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:49:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:49:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:15,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 15:49:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:49:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-18 15:49:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 15:49:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 15:49:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 15:49:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-18 15:49:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2021-12-18 15:49:16,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:49:16,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860759395] [2021-12-18 15:49:16,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860759395] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:49:16,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:49:16,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-18 15:49:16,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721891049] [2021-12-18 15:49:16,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:49:16,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 15:49:16,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:49:16,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 15:49:16,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-12-18 15:49:16,055 INFO L87 Difference]: Start difference. First operand 3152 states and 4238 transitions. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 7 states have internal predecessors, (121), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 15:49:23,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:49:23,850 INFO L93 Difference]: Finished difference Result 7118 states and 9648 transitions. [2021-12-18 15:49:23,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 15:49:23,850 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 7 states have internal predecessors, (121), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 294 [2021-12-18 15:49:23,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:49:23,862 INFO L225 Difference]: With dead ends: 7118 [2021-12-18 15:49:23,862 INFO L226 Difference]: Without dead ends: 3985 [2021-12-18 15:49:23,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2021-12-18 15:49:23,877 INFO L933 BasicCegarLoop]: 2052 mSDtfsCounter, 3849 mSDsluCounter, 8040 mSDsCounter, 0 mSdLazyCounter, 9141 mSolverCounterSat, 3876 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4000 SdHoareTripleChecker+Valid, 10092 SdHoareTripleChecker+Invalid, 13017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3876 IncrementalHoareTripleChecker+Valid, 9141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:49:23,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4000 Valid, 10092 Invalid, 13017 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3876 Valid, 9141 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2021-12-18 15:49:23,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3985 states. [2021-12-18 15:49:24,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3985 to 3156. [2021-12-18 15:49:24,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3156 states, 2075 states have (on average 1.2028915662650603) internal successors, (2496), 2139 states have internal predecessors, (2496), 871 states have call successors, (871), 206 states have call predecessors, (871), 207 states have return successors, (875), 857 states have call predecessors, (875), 871 states have call successors, (875) [2021-12-18 15:49:24,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 3156 states and 4242 transitions. [2021-12-18 15:49:24,109 INFO L78 Accepts]: Start accepts. Automaton has 3156 states and 4242 transitions. Word has length 294 [2021-12-18 15:49:24,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:49:24,110 INFO L470 AbstractCegarLoop]: Abstraction has 3156 states and 4242 transitions. [2021-12-18 15:49:24,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 7 states have internal predecessors, (121), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 15:49:24,110 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 4242 transitions. [2021-12-18 15:49:24,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-12-18 15:49:24,111 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:49:24,112 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 15:49:24,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-12-18 15:49:24,112 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:49:24,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:49:24,112 INFO L85 PathProgramCache]: Analyzing trace with hash -701377659, now seen corresponding path program 1 times [2021-12-18 15:49:24,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:49:24,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146760025] [2021-12-18 15:49:24,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:24,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:49:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:49:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:49:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:49:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:49:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:49:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:49:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:49:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:49:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:49:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:49:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 15:49:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 15:49:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:49:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:49:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:49:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 15:49:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:49:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-18 15:49:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 15:49:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 15:49:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 15:49:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 15:49:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 15:49:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 15:49:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 15:49:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:24,521 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2021-12-18 15:49:24,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:49:24,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146760025] [2021-12-18 15:49:24,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146760025] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:49:24,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:49:24,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-12-18 15:49:24,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966748842] [2021-12-18 15:49:24,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:49:24,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-18 15:49:24,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:49:24,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-18 15:49:24,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2021-12-18 15:49:24,523 INFO L87 Difference]: Start difference. First operand 3156 states and 4242 transitions. Second operand has 16 states, 16 states have (on average 7.9375) internal successors, (127), 11 states have internal predecessors, (127), 3 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-18 15:49:40,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:49:40,928 INFO L93 Difference]: Finished difference Result 6485 states and 9108 transitions. [2021-12-18 15:49:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-12-18 15:49:40,928 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.9375) internal successors, (127), 11 states have internal predecessors, (127), 3 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 306 [2021-12-18 15:49:40,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:49:40,942 INFO L225 Difference]: With dead ends: 6485 [2021-12-18 15:49:40,942 INFO L226 Difference]: Without dead ends: 6483 [2021-12-18 15:49:40,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1619 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=879, Invalid=4821, Unknown=0, NotChecked=0, Total=5700 [2021-12-18 15:49:40,945 INFO L933 BasicCegarLoop]: 3808 mSDtfsCounter, 5474 mSDsluCounter, 31074 mSDsCounter, 0 mSdLazyCounter, 18548 mSolverCounterSat, 5275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5838 SdHoareTripleChecker+Valid, 34882 SdHoareTripleChecker+Invalid, 23823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5275 IncrementalHoareTripleChecker+Valid, 18548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:49:40,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5838 Valid, 34882 Invalid, 23823 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5275 Valid, 18548 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2021-12-18 15:49:40,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6483 states. [2021-12-18 15:49:41,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6483 to 3156. [2021-12-18 15:49:41,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3156 states, 2075 states have (on average 1.202409638554217) internal successors, (2495), 2139 states have internal predecessors, (2495), 871 states have call successors, (871), 206 states have call predecessors, (871), 207 states have return successors, (875), 857 states have call predecessors, (875), 871 states have call successors, (875) [2021-12-18 15:49:41,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 3156 states and 4241 transitions. [2021-12-18 15:49:41,204 INFO L78 Accepts]: Start accepts. Automaton has 3156 states and 4241 transitions. Word has length 306 [2021-12-18 15:49:41,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:49:41,204 INFO L470 AbstractCegarLoop]: Abstraction has 3156 states and 4241 transitions. [2021-12-18 15:49:41,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.9375) internal successors, (127), 11 states have internal predecessors, (127), 3 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-18 15:49:41,204 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 4241 transitions. [2021-12-18 15:49:41,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-12-18 15:49:41,206 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:49:41,206 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 8, 8, 6, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 15:49:41,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-12-18 15:49:41,207 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:49:41,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:49:41,207 INFO L85 PathProgramCache]: Analyzing trace with hash -263619148, now seen corresponding path program 1 times [2021-12-18 15:49:41,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:49:41,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80105263] [2021-12-18 15:49:41,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:41,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:49:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:49:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:49:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:49:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:49:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:49:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:49:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:49:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:49:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:49:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:49:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 15:49:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 15:49:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:49:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:49:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:49:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 15:49:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:49:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-18 15:49:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 15:49:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 15:49:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 15:49:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-18 15:49:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-18 15:49:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 15:49:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 15:49:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2021-12-18 15:49:41,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:49:41,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80105263] [2021-12-18 15:49:41,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80105263] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:49:41,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:49:41,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-18 15:49:41,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502700964] [2021-12-18 15:49:41,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:49:41,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-18 15:49:41,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:49:41,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-18 15:49:41,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:49:41,602 INFO L87 Difference]: Start difference. First operand 3156 states and 4241 transitions. Second operand has 14 states, 14 states have (on average 9.285714285714286) internal successors, (130), 8 states have internal predecessors, (130), 3 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-18 15:49:52,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:49:52,511 INFO L93 Difference]: Finished difference Result 7652 states and 10429 transitions. [2021-12-18 15:49:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-18 15:49:52,511 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.285714285714286) internal successors, (130), 8 states have internal predecessors, (130), 3 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 318 [2021-12-18 15:49:52,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:49:52,524 INFO L225 Difference]: With dead ends: 7652 [2021-12-18 15:49:52,524 INFO L226 Difference]: Without dead ends: 4515 [2021-12-18 15:49:52,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=624, Unknown=0, NotChecked=0, Total=756 [2021-12-18 15:49:52,530 INFO L933 BasicCegarLoop]: 2200 mSDtfsCounter, 4048 mSDsluCounter, 11869 mSDsCounter, 0 mSdLazyCounter, 11916 mSolverCounterSat, 3852 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4130 SdHoareTripleChecker+Valid, 14069 SdHoareTripleChecker+Invalid, 15768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3852 IncrementalHoareTripleChecker+Valid, 11916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:49:52,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4130 Valid, 14069 Invalid, 15768 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3852 Valid, 11916 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2021-12-18 15:49:52,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4515 states. [2021-12-18 15:49:52,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4515 to 3628. [2021-12-18 15:49:52,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3628 states, 2409 states have (on average 1.2058945620589456) internal successors, (2905), 2482 states have internal predecessors, (2905), 1007 states have call successors, (1007), 206 states have call predecessors, (1007), 209 states have return successors, (1014), 994 states have call predecessors, (1014), 1007 states have call successors, (1014) [2021-12-18 15:49:52,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3628 states to 3628 states and 4926 transitions. [2021-12-18 15:49:52,848 INFO L78 Accepts]: Start accepts. Automaton has 3628 states and 4926 transitions. Word has length 318 [2021-12-18 15:49:52,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:49:52,849 INFO L470 AbstractCegarLoop]: Abstraction has 3628 states and 4926 transitions. [2021-12-18 15:49:52,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.285714285714286) internal successors, (130), 8 states have internal predecessors, (130), 3 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-18 15:49:52,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 4926 transitions. [2021-12-18 15:49:52,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2021-12-18 15:49:52,858 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:49:52,858 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 9, 9, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:49:52,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-12-18 15:49:52,858 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:49:52,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:49:52,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1772340092, now seen corresponding path program 1 times [2021-12-18 15:49:52,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:49:52,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035651682] [2021-12-18 15:49:52,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:52,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:49:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:49:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:49:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:49:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:49:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:49:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:49:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:49:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:49:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:49:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:49:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 15:49:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 15:49:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 15:49:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:49:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:49:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 15:49:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:49:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:49:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-18 15:49:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 15:49:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 15:49:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 15:49:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-18 15:49:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-18 15:49:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 15:49:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-18 15:49:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:49:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-18 15:49:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-12-18 15:49:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 15:49:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:49:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:49:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-18 15:49:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-18 15:49:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-18 15:49:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 15:49:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:49:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-18 15:49:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:49:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 15:49:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-12-18 15:49:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:53,633 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 700 trivial. 0 not checked. [2021-12-18 15:49:53,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:49:53,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035651682] [2021-12-18 15:49:53,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035651682] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:49:53,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:49:53,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-18 15:49:53,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5577931] [2021-12-18 15:49:53,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:49:53,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 15:49:53,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:49:53,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 15:49:53,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-18 15:49:53,636 INFO L87 Difference]: Start difference. First operand 3628 states and 4926 transitions. Second operand has 11 states, 11 states have (on average 16.0) internal successors, (176), 5 states have internal predecessors, (176), 3 states have call successors, (53), 8 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 15:50:01,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:01,690 INFO L93 Difference]: Finished difference Result 7783 states and 10621 transitions. [2021-12-18 15:50:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-18 15:50:01,690 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.0) internal successors, (176), 5 states have internal predecessors, (176), 3 states have call successors, (53), 8 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 3 states have call successors, (49) Word has length 458 [2021-12-18 15:50:01,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:01,701 INFO L225 Difference]: With dead ends: 7783 [2021-12-18 15:50:01,702 INFO L226 Difference]: Without dead ends: 4174 [2021-12-18 15:50:01,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=425, Unknown=0, NotChecked=0, Total=552 [2021-12-18 15:50:01,708 INFO L933 BasicCegarLoop]: 1824 mSDtfsCounter, 3044 mSDsluCounter, 5539 mSDsCounter, 0 mSdLazyCounter, 7708 mSolverCounterSat, 2893 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3046 SdHoareTripleChecker+Valid, 7363 SdHoareTripleChecker+Invalid, 10601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2893 IncrementalHoareTripleChecker+Valid, 7708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:01,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3046 Valid, 7363 Invalid, 10601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2893 Valid, 7708 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2021-12-18 15:50:01,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4174 states. [2021-12-18 15:50:01,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4174 to 3631. [2021-12-18 15:50:01,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3631 states, 2412 states have (on average 1.2056384742951907) internal successors, (2908), 2485 states have internal predecessors, (2908), 1007 states have call successors, (1007), 206 states have call predecessors, (1007), 209 states have return successors, (1014), 994 states have call predecessors, (1014), 1007 states have call successors, (1014) [2021-12-18 15:50:02,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3631 states to 3631 states and 4929 transitions. [2021-12-18 15:50:02,005 INFO L78 Accepts]: Start accepts. Automaton has 3631 states and 4929 transitions. Word has length 458 [2021-12-18 15:50:02,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:02,006 INFO L470 AbstractCegarLoop]: Abstraction has 3631 states and 4929 transitions. [2021-12-18 15:50:02,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.0) internal successors, (176), 5 states have internal predecessors, (176), 3 states have call successors, (53), 8 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 15:50:02,006 INFO L276 IsEmpty]: Start isEmpty. Operand 3631 states and 4929 transitions. [2021-12-18 15:50:02,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2021-12-18 15:50:02,014 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:02,015 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 9, 9, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:50:02,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-12-18 15:50:02,015 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:50:02,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:02,015 INFO L85 PathProgramCache]: Analyzing trace with hash 2030167667, now seen corresponding path program 1 times [2021-12-18 15:50:02,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:02,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917250521] [2021-12-18 15:50:02,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:02,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:50:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:50:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:50:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:50:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:50:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:50:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:50:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:50:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:50:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:50:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:50:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:50:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 15:50:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 15:50:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 15:50:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 15:50:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 15:50:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 15:50:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 15:50:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 15:50:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 15:50:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-18 15:50:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 15:50:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-18 15:50:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 15:50:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-18 15:50:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 15:50:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 15:50:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:50:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:50:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-18 15:50:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-18 15:50:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 15:50:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-12-18 15:50:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-12-18 15:50:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:50:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 15:50:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:50:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-12-18 15:50:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 15:50:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:02,627 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2021-12-18 15:50:02,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:02,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917250521] [2021-12-18 15:50:02,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917250521] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:02,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:50:02,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-18 15:50:02,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620459231] [2021-12-18 15:50:02,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:02,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-18 15:50:02,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:02,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-18 15:50:02,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:50:02,631 INFO L87 Difference]: Start difference. First operand 3631 states and 4929 transitions. Second operand has 12 states, 12 states have (on average 16.333333333333332) internal successors, (196), 5 states have internal predecessors, (196), 3 states have call successors, (56), 8 states have call predecessors, (56), 2 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2021-12-18 15:50:10,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:10,814 INFO L93 Difference]: Finished difference Result 7781 states and 10616 transitions. [2021-12-18 15:50:10,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-18 15:50:10,815 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 16.333333333333332) internal successors, (196), 5 states have internal predecessors, (196), 3 states have call successors, (56), 8 states have call predecessors, (56), 2 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 503 [2021-12-18 15:50:10,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:10,826 INFO L225 Difference]: With dead ends: 7781 [2021-12-18 15:50:10,826 INFO L226 Difference]: Without dead ends: 4169 [2021-12-18 15:50:10,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=457, Unknown=0, NotChecked=0, Total=600 [2021-12-18 15:50:10,834 INFO L933 BasicCegarLoop]: 1831 mSDtfsCounter, 3384 mSDsluCounter, 6432 mSDsCounter, 0 mSdLazyCounter, 8207 mSolverCounterSat, 3475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3401 SdHoareTripleChecker+Valid, 8263 SdHoareTripleChecker+Invalid, 11682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3475 IncrementalHoareTripleChecker+Valid, 8207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:10,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3401 Valid, 8263 Invalid, 11682 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3475 Valid, 8207 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2021-12-18 15:50:10,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4169 states. [2021-12-18 15:50:11,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4169 to 3636. [2021-12-18 15:50:11,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3636 states, 2416 states have (on average 1.205298013245033) internal successors, (2912), 2489 states have internal predecessors, (2912), 1007 states have call successors, (1007), 206 states have call predecessors, (1007), 210 states have return successors, (1016), 995 states have call predecessors, (1016), 1007 states have call successors, (1016) [2021-12-18 15:50:11,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3636 states to 3636 states and 4935 transitions. [2021-12-18 15:50:11,173 INFO L78 Accepts]: Start accepts. Automaton has 3636 states and 4935 transitions. Word has length 503 [2021-12-18 15:50:11,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:11,173 INFO L470 AbstractCegarLoop]: Abstraction has 3636 states and 4935 transitions. [2021-12-18 15:50:11,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.333333333333332) internal successors, (196), 5 states have internal predecessors, (196), 3 states have call successors, (56), 8 states have call predecessors, (56), 2 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2021-12-18 15:50:11,174 INFO L276 IsEmpty]: Start isEmpty. Operand 3636 states and 4935 transitions. [2021-12-18 15:50:11,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2021-12-18 15:50:11,182 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:11,183 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 9, 9, 8, 8, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:50:11,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-12-18 15:50:11,183 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:50:11,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:11,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1395895387, now seen corresponding path program 1 times [2021-12-18 15:50:11,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:11,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530626755] [2021-12-18 15:50:11,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:11,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:50:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:50:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:50:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:50:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:50:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:50:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:50:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:50:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:50:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:50:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:50:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:50:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 15:50:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:50:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:50:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 15:50:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 15:50:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 15:50:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 15:50:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 15:50:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 15:50:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 15:50:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 15:50:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 15:50:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 15:50:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 15:50:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 15:50:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 15:50:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-12-18 15:50:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-18 15:50:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:50:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:50:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 15:50:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-12-18 15:50:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 15:50:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-18 15:50:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-18 15:50:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:50:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-18 15:50:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:50:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-18 15:50:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-18 15:50:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:11,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 997 trivial. 0 not checked. [2021-12-18 15:50:11,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:11,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530626755] [2021-12-18 15:50:11,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530626755] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:50:11,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430803174] [2021-12-18 15:50:11,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:11,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:50:11,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:50:11,777 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 15:50:11,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-18 15:50:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:12,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 4142 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-18 15:50:12,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:50:13,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2021-12-18 15:50:13,379 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:50:13,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430803174] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:13,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 15:50:13,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2021-12-18 15:50:13,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333374637] [2021-12-18 15:50:13,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:13,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 15:50:13,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:13,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 15:50:13,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2021-12-18 15:50:13,381 INFO L87 Difference]: Start difference. First operand 3636 states and 4935 transitions. Second operand has 8 states, 8 states have (on average 27.375) internal successors, (219), 7 states have internal predecessors, (219), 3 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2021-12-18 15:50:13,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:13,958 INFO L93 Difference]: Finished difference Result 7227 states and 9789 transitions. [2021-12-18 15:50:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 15:50:13,959 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 27.375) internal successors, (219), 7 states have internal predecessors, (219), 3 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) Word has length 519 [2021-12-18 15:50:13,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:13,969 INFO L225 Difference]: With dead ends: 7227 [2021-12-18 15:50:13,969 INFO L226 Difference]: Without dead ends: 3608 [2021-12-18 15:50:13,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 679 GetRequests, 661 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2021-12-18 15:50:13,977 INFO L933 BasicCegarLoop]: 2473 mSDtfsCounter, 369 mSDsluCounter, 14486 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 16959 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:13,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [430 Valid, 16959 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 15:50:13,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3608 states. [2021-12-18 15:50:14,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3608 to 3184. [2021-12-18 15:50:14,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3184 states, 2096 states have (on average 1.200381679389313) internal successors, (2516), 2161 states have internal predecessors, (2516), 875 states have call successors, (875), 206 states have call predecessors, (875), 210 states have return successors, (884), 863 states have call predecessors, (884), 875 states have call successors, (884) [2021-12-18 15:50:14,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 4275 transitions. [2021-12-18 15:50:14,267 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 4275 transitions. Word has length 519 [2021-12-18 15:50:14,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:14,267 INFO L470 AbstractCegarLoop]: Abstraction has 3184 states and 4275 transitions. [2021-12-18 15:50:14,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.375) internal successors, (219), 7 states have internal predecessors, (219), 3 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2021-12-18 15:50:14,267 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 4275 transitions. [2021-12-18 15:50:14,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2021-12-18 15:50:14,273 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:14,273 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 9, 9, 7, 7, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:50:14,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-18 15:50:14,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:50:14,474 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:50:14,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:14,474 INFO L85 PathProgramCache]: Analyzing trace with hash -2123936252, now seen corresponding path program 1 times [2021-12-18 15:50:14,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:14,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865155994] [2021-12-18 15:50:14,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:14,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:50:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:50:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:50:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:50:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:50:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:50:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:50:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:50:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:50:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:50:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:50:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:50:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 15:50:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:50:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:50:14,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 15:50:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 15:50:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 15:50:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 15:50:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 15:50:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 15:50:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 15:50:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 15:50:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 15:50:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 15:50:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 15:50:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-18 15:50:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 15:50:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-18 15:50:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-12-18 15:50:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-18 15:50:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:50:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:50:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 15:50:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-18 15:50:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-12-18 15:50:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 15:50:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:50:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-12-18 15:50:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:50:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-18 15:50:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-12-18 15:50:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2021-12-18 15:50:14,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:14,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865155994] [2021-12-18 15:50:14,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865155994] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:50:14,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107389626] [2021-12-18 15:50:14,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:14,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:50:14,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:50:14,982 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 15:50:14,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-18 15:50:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:15,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 4079 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-18 15:50:15,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:50:16,512 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2021-12-18 15:50:16,512 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:50:16,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107389626] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:16,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 15:50:16,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2021-12-18 15:50:16,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570844451] [2021-12-18 15:50:16,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:16,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:50:16,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:16,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:50:16,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-12-18 15:50:16,514 INFO L87 Difference]: Start difference. First operand 3184 states and 4275 transitions. Second operand has 6 states, 6 states have (on average 36.5) internal successors, (219), 6 states have internal predecessors, (219), 3 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-12-18 15:50:17,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:17,336 INFO L93 Difference]: Finished difference Result 7098 states and 9595 transitions. [2021-12-18 15:50:17,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:50:17,337 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 36.5) internal successors, (219), 6 states have internal predecessors, (219), 3 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 506 [2021-12-18 15:50:17,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:17,350 INFO L225 Difference]: With dead ends: 7098 [2021-12-18 15:50:17,350 INFO L226 Difference]: Without dead ends: 3932 [2021-12-18 15:50:17,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 643 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-12-18 15:50:17,359 INFO L933 BasicCegarLoop]: 3363 mSDtfsCounter, 769 mSDsluCounter, 11636 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 950 SdHoareTripleChecker+Valid, 14999 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:17,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [950 Valid, 14999 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-18 15:50:17,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3932 states. [2021-12-18 15:50:17,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3932 to 3183. [2021-12-18 15:50:17,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3183 states, 2096 states have (on average 1.1999045801526718) internal successors, (2515), 2160 states have internal predecessors, (2515), 874 states have call successors, (874), 206 states have call predecessors, (874), 210 states have return successors, (883), 863 states have call predecessors, (883), 874 states have call successors, (883) [2021-12-18 15:50:17,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3183 states to 3183 states and 4272 transitions. [2021-12-18 15:50:17,639 INFO L78 Accepts]: Start accepts. Automaton has 3183 states and 4272 transitions. Word has length 506 [2021-12-18 15:50:17,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:17,641 INFO L470 AbstractCegarLoop]: Abstraction has 3183 states and 4272 transitions. [2021-12-18 15:50:17,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.5) internal successors, (219), 6 states have internal predecessors, (219), 3 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-12-18 15:50:17,641 INFO L276 IsEmpty]: Start isEmpty. Operand 3183 states and 4272 transitions. [2021-12-18 15:50:17,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2021-12-18 15:50:17,647 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:17,648 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 15, 15, 15, 8, 8, 7, 7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:50:17,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-18 15:50:17,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-12-18 15:50:17,848 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:50:17,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:17,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1041173129, now seen corresponding path program 1 times [2021-12-18 15:50:17,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:17,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182481013] [2021-12-18 15:50:17,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:17,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:50:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:50:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:50:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:50:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:50:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:50:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:50:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:50:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:50:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:50:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:50:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:50:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 15:50:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:50:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:50:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 15:50:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 15:50:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 15:50:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 15:50:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 15:50:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 15:50:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 15:50:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 15:50:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 15:50:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 15:50:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-18 15:50:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 15:50:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 15:50:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-18 15:50:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:50:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:50:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 15:50:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 15:50:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 15:50:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 15:50:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-18 15:50:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-18 15:50:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 15:50:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-18 15:50:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 15:50:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 15:50:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-12-18 15:50:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-18 15:50:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 15:50:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 15:50:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-18 15:50:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 15:50:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 15:50:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-12-18 15:50:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-12-18 15:50:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 15:50:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-18 15:50:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-18 15:50:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-18 15:50:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-18 15:50:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-12-18 15:50:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 15:50:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-12-18 15:50:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-12-18 15:50:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-18 15:50:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-12-18 15:50:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-18 15:50:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-18 15:50:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-12-18 15:50:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-12-18 15:50:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-12-18 15:50:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-12-18 15:50:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:50:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2021-12-18 15:50:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:50:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2021-12-18 15:50:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2021-12-18 15:50:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:18,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2125 trivial. 0 not checked. [2021-12-18 15:50:18,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:18,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182481013] [2021-12-18 15:50:18,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182481013] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:18,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:50:18,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 15:50:18,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099626970] [2021-12-18 15:50:18,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:18,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 15:50:18,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:18,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 15:50:18,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:50:18,506 INFO L87 Difference]: Start difference. First operand 3183 states and 4272 transitions. Second operand has 8 states, 8 states have (on average 24.375) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (88), 7 states have call predecessors, (88), 1 states have return successors, (84), 2 states have call predecessors, (84), 3 states have call successors, (84) [2021-12-18 15:50:24,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:24,208 INFO L93 Difference]: Finished difference Result 6822 states and 9207 transitions. [2021-12-18 15:50:24,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 15:50:24,209 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.375) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (88), 7 states have call predecessors, (88), 1 states have return successors, (84), 2 states have call predecessors, (84), 3 states have call successors, (84) Word has length 614 [2021-12-18 15:50:24,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:24,218 INFO L225 Difference]: With dead ends: 6822 [2021-12-18 15:50:24,218 INFO L226 Difference]: Without dead ends: 3658 [2021-12-18 15:50:24,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2021-12-18 15:50:24,224 INFO L933 BasicCegarLoop]: 1756 mSDtfsCounter, 3750 mSDsluCounter, 2960 mSDsCounter, 0 mSdLazyCounter, 4084 mSolverCounterSat, 4071 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3750 SdHoareTripleChecker+Valid, 4716 SdHoareTripleChecker+Invalid, 8155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4071 IncrementalHoareTripleChecker+Valid, 4084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:24,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3750 Valid, 4716 Invalid, 8155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4071 Valid, 4084 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-18 15:50:24,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3658 states. [2021-12-18 15:50:24,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3658 to 3187. [2021-12-18 15:50:24,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3187 states, 2100 states have (on average 1.1995238095238094) internal successors, (2519), 2164 states have internal predecessors, (2519), 874 states have call successors, (874), 206 states have call predecessors, (874), 210 states have return successors, (883), 863 states have call predecessors, (883), 874 states have call successors, (883) [2021-12-18 15:50:24,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3187 states to 3187 states and 4276 transitions. [2021-12-18 15:50:24,477 INFO L78 Accepts]: Start accepts. Automaton has 3187 states and 4276 transitions. Word has length 614 [2021-12-18 15:50:24,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:24,477 INFO L470 AbstractCegarLoop]: Abstraction has 3187 states and 4276 transitions. [2021-12-18 15:50:24,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.375) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (88), 7 states have call predecessors, (88), 1 states have return successors, (84), 2 states have call predecessors, (84), 3 states have call successors, (84) [2021-12-18 15:50:24,477 INFO L276 IsEmpty]: Start isEmpty. Operand 3187 states and 4276 transitions. [2021-12-18 15:50:24,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2021-12-18 15:50:24,483 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:24,484 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 15, 15, 15, 8, 8, 7, 7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:50:24,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-12-18 15:50:24,484 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:50:24,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:24,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1402914287, now seen corresponding path program 1 times [2021-12-18 15:50:24,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:24,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824813451] [2021-12-18 15:50:24,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:24,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:50:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:50:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:50:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:50:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:50:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:50:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:50:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:50:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:50:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:50:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:50:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:50:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 15:50:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:50:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:50:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 15:50:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 15:50:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 15:50:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 15:50:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 15:50:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 15:50:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 15:50:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 15:50:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 15:50:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 15:50:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-18 15:50:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 15:50:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 15:50:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-18 15:50:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:50:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:50:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 15:50:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-18 15:50:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 15:50:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-18 15:50:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 15:50:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 15:50:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-18 15:50:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 15:50:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 15:50:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-18 15:50:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 15:50:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 15:50:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-18 15:50:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-18 15:50:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-18 15:50:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 15:50:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 15:50:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-12-18 15:50:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-18 15:50:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-18 15:50:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-18 15:50:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-12-18 15:50:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2021-12-18 15:50:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-18 15:50:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-12-18 15:50:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-18 15:50:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-12-18 15:50:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-18 15:50:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-18 15:50:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-18 15:50:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-18 15:50:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-12-18 15:50:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-18 15:50:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-12-18 15:50:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-18 15:50:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2021-12-18 15:50:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:50:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2021-12-18 15:50:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:50:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2021-12-18 15:50:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-12-18 15:50:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2124 trivial. 0 not checked. [2021-12-18 15:50:25,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:25,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824813451] [2021-12-18 15:50:25,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824813451] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:50:25,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548800322] [2021-12-18 15:50:25,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:25,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:50:25,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:50:25,229 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 15:50:25,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-18 15:50:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:26,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 4674 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-18 15:50:26,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:50:27,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 1720 trivial. 0 not checked. [2021-12-18 15:50:27,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:50:27,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548800322] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:27,107 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 15:50:27,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2021-12-18 15:50:27,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447789070] [2021-12-18 15:50:27,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:27,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:50:27,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:27,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:50:27,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-12-18 15:50:27,108 INFO L87 Difference]: Start difference. First operand 3187 states and 4276 transitions. Second operand has 6 states, 6 states have (on average 35.666666666666664) internal successors, (214), 6 states have internal predecessors, (214), 3 states have call successors, (89), 2 states have call predecessors, (89), 3 states have return successors, (85), 3 states have call predecessors, (85), 3 states have call successors, (85) [2021-12-18 15:50:27,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:27,432 INFO L93 Difference]: Finished difference Result 5218 states and 6991 transitions. [2021-12-18 15:50:27,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:50:27,433 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 35.666666666666664) internal successors, (214), 6 states have internal predecessors, (214), 3 states have call successors, (89), 2 states have call predecessors, (89), 3 states have return successors, (85), 3 states have call predecessors, (85), 3 states have call successors, (85) Word has length 616 [2021-12-18 15:50:27,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:27,438 INFO L225 Difference]: With dead ends: 5218 [2021-12-18 15:50:27,438 INFO L226 Difference]: Without dead ends: 2047 [2021-12-18 15:50:27,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 826 GetRequests, 811 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-12-18 15:50:27,444 INFO L933 BasicCegarLoop]: 2268 mSDtfsCounter, 180 mSDsluCounter, 8810 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 11078 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:27,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 11078 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 15:50:27,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2021-12-18 15:50:27,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 1927. [2021-12-18 15:50:27,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1927 states, 1273 states have (on average 1.192458758837392) internal successors, (1518), 1312 states have internal predecessors, (1518), 522 states have call successors, (522), 127 states have call predecessors, (522), 130 states have return successors, (530), 517 states have call predecessors, (530), 522 states have call successors, (530) [2021-12-18 15:50:27,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 1927 states and 2570 transitions. [2021-12-18 15:50:27,603 INFO L78 Accepts]: Start accepts. Automaton has 1927 states and 2570 transitions. Word has length 616 [2021-12-18 15:50:27,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:27,603 INFO L470 AbstractCegarLoop]: Abstraction has 1927 states and 2570 transitions. [2021-12-18 15:50:27,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.666666666666664) internal successors, (214), 6 states have internal predecessors, (214), 3 states have call successors, (89), 2 states have call predecessors, (89), 3 states have return successors, (85), 3 states have call predecessors, (85), 3 states have call successors, (85) [2021-12-18 15:50:27,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1927 states and 2570 transitions. [2021-12-18 15:50:27,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2021-12-18 15:50:27,607 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:27,608 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 15, 15, 15, 8, 8, 7, 7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:50:27,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-12-18 15:50:27,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-12-18 15:50:27,815 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:50:27,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:27,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1232755023, now seen corresponding path program 1 times [2021-12-18 15:50:27,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:27,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644456386] [2021-12-18 15:50:27,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:27,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:50:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:50:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:50:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:50:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:50:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:50:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:50:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:50:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:50:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:50:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:50:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:50:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 15:50:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:50:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:50:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 15:50:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 15:50:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 15:50:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 15:50:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 15:50:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 15:50:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 15:50:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 15:50:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 15:50:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 15:50:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-18 15:50:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 15:50:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 15:50:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-18 15:50:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:50:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:50:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 15:50:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-18 15:50:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 15:50:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-18 15:50:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 15:50:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 15:50:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-18 15:50:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 15:50:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 15:50:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-18 15:50:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 15:50:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 15:50:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-18 15:50:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-18 15:50:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-18 15:50:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 15:50:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 15:50:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-12-18 15:50:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-18 15:50:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-18 15:50:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-18 15:50:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-12-18 15:50:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2021-12-18 15:50:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-18 15:50:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-12-18 15:50:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-18 15:50:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-12-18 15:50:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-18 15:50:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-18 15:50:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-18 15:50:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-18 15:50:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-12-18 15:50:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-18 15:50:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-12-18 15:50:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-18 15:50:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2021-12-18 15:50:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:50:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2021-12-18 15:50:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:50:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2021-12-18 15:50:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-12-18 15:50:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:28,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2124 trivial. 0 not checked. [2021-12-18 15:50:28,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:28,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644456386] [2021-12-18 15:50:28,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644456386] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:50:28,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594217551] [2021-12-18 15:50:28,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:28,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:50:28,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:50:28,439 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 15:50:28,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-18 15:50:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:29,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 4672 conjuncts, 27 conjunts are in the unsatisfiable core [2021-12-18 15:50:29,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:50:30,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 1786 trivial. 0 not checked. [2021-12-18 15:50:30,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:50:30,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594217551] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:30,278 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 15:50:30,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2021-12-18 15:50:30,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207145713] [2021-12-18 15:50:30,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:30,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 15:50:30,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:30,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 15:50:30,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2021-12-18 15:50:30,279 INFO L87 Difference]: Start difference. First operand 1927 states and 2570 transitions. Second operand has 8 states, 8 states have (on average 26.5) internal successors, (212), 7 states have internal predecessors, (212), 2 states have call successors, (89), 2 states have call predecessors, (89), 3 states have return successors, (85), 3 states have call predecessors, (85), 2 states have call successors, (85) [2021-12-18 15:50:30,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:30,578 INFO L93 Difference]: Finished difference Result 3842 states and 5127 transitions. [2021-12-18 15:50:30,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 15:50:30,579 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 26.5) internal successors, (212), 7 states have internal predecessors, (212), 2 states have call successors, (89), 2 states have call predecessors, (89), 3 states have return successors, (85), 3 states have call predecessors, (85), 2 states have call successors, (85) Word has length 616 [2021-12-18 15:50:30,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:30,584 INFO L225 Difference]: With dead ends: 3842 [2021-12-18 15:50:30,584 INFO L226 Difference]: Without dead ends: 1934 [2021-12-18 15:50:30,588 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 827 GetRequests, 808 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-12-18 15:50:30,589 INFO L933 BasicCegarLoop]: 2147 mSDtfsCounter, 17 mSDsluCounter, 12834 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 14981 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:30,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 14981 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 15:50:30,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2021-12-18 15:50:30,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1930. [2021-12-18 15:50:30,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1930 states, 1276 states have (on average 1.1920062695924765) internal successors, (1521), 1315 states have internal predecessors, (1521), 522 states have call successors, (522), 127 states have call predecessors, (522), 130 states have return successors, (530), 517 states have call predecessors, (530), 522 states have call successors, (530) [2021-12-18 15:50:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1930 states and 2573 transitions. [2021-12-18 15:50:30,777 INFO L78 Accepts]: Start accepts. Automaton has 1930 states and 2573 transitions. Word has length 616 [2021-12-18 15:50:30,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:30,777 INFO L470 AbstractCegarLoop]: Abstraction has 1930 states and 2573 transitions. [2021-12-18 15:50:30,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 26.5) internal successors, (212), 7 states have internal predecessors, (212), 2 states have call successors, (89), 2 states have call predecessors, (89), 3 states have return successors, (85), 3 states have call predecessors, (85), 2 states have call successors, (85) [2021-12-18 15:50:30,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 2573 transitions. [2021-12-18 15:50:30,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2021-12-18 15:50:30,782 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:30,782 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 18, 18, 18, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:50:30,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-12-18 15:50:30,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-12-18 15:50:30,990 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:50:30,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:30,990 INFO L85 PathProgramCache]: Analyzing trace with hash 999069921, now seen corresponding path program 1 times [2021-12-18 15:50:30,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:30,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692806472] [2021-12-18 15:50:30,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:30,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:50:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:50:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:50:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:50:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:50:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:50:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:50:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:50:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:50:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:50:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:50:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:50:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 15:50:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:50:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:50:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 15:50:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 15:50:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 15:50:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 15:50:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 15:50:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 15:50:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 15:50:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 15:50:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 15:50:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 15:50:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-12-18 15:50:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-18 15:50:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 15:50:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 15:50:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-12-18 15:50:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 15:50:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 15:50:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-18 15:50:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-18 15:50:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 15:50:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:50:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:50:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 15:50:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-18 15:50:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-12-18 15:50:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-18 15:50:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-18 15:50:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-18 15:50:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-12-18 15:50:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2021-12-18 15:50:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-18 15:50:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-12-18 15:50:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-18 15:50:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-18 15:50:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-12-18 15:50:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-12-18 15:50:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-12-18 15:50:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-18 15:50:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-18 15:50:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-12-18 15:50:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 15:50:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-18 15:50:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2021-12-18 15:50:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-12-18 15:50:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-18 15:50:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2021-12-18 15:50:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2021-12-18 15:50:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2021-12-18 15:50:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-18 15:50:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-18 15:50:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-18 15:50:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-12-18 15:50:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2021-12-18 15:50:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2021-12-18 15:50:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2021-12-18 15:50:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2021-12-18 15:50:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2021-12-18 15:50:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-12-18 15:50:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:50:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2021-12-18 15:50:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:50:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2021-12-18 15:50:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2021-12-18 15:50:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:31,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2417 trivial. 0 not checked. [2021-12-18 15:50:31,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:31,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692806472] [2021-12-18 15:50:31,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692806472] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:50:31,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029778063] [2021-12-18 15:50:31,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:31,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:50:31,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:50:31,696 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 15:50:31,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-18 15:50:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:33,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 5022 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-18 15:50:33,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:50:34,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2021-12-18 15:50:34,261 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:50:34,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029778063] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:34,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 15:50:34,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2021-12-18 15:50:34,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119658817] [2021-12-18 15:50:34,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:34,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:50:34,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:34,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:50:34,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2021-12-18 15:50:34,263 INFO L87 Difference]: Start difference. First operand 1930 states and 2573 transitions. Second operand has 6 states, 5 states have (on average 42.8) internal successors, (214), 5 states have internal predecessors, (214), 3 states have call successors, (96), 2 states have call predecessors, (96), 1 states have return successors, (92), 2 states have call predecessors, (92), 2 states have call successors, (92) [2021-12-18 15:50:34,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:34,467 INFO L93 Difference]: Finished difference Result 1930 states and 2573 transitions. [2021-12-18 15:50:34,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 15:50:34,467 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 42.8) internal successors, (214), 5 states have internal predecessors, (214), 3 states have call successors, (96), 2 states have call predecessors, (96), 1 states have return successors, (92), 2 states have call predecessors, (92), 2 states have call successors, (92) Word has length 677 [2021-12-18 15:50:34,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:34,471 INFO L225 Difference]: With dead ends: 1930 [2021-12-18 15:50:34,472 INFO L226 Difference]: Without dead ends: 1928 [2021-12-18 15:50:34,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 908 GetRequests, 891 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2021-12-18 15:50:34,472 INFO L933 BasicCegarLoop]: 2164 mSDtfsCounter, 43 mSDsluCounter, 8612 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 10776 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:34,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 10776 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 15:50:34,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2021-12-18 15:50:34,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1928. [2021-12-18 15:50:34,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1928 states, 1275 states have (on average 1.1913725490196079) internal successors, (1519), 1313 states have internal predecessors, (1519), 522 states have call successors, (522), 127 states have call predecessors, (522), 130 states have return successors, (530), 517 states have call predecessors, (530), 522 states have call successors, (530) [2021-12-18 15:50:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1928 states and 2571 transitions. [2021-12-18 15:50:34,623 INFO L78 Accepts]: Start accepts. Automaton has 1928 states and 2571 transitions. Word has length 677 [2021-12-18 15:50:34,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:34,624 INFO L470 AbstractCegarLoop]: Abstraction has 1928 states and 2571 transitions. [2021-12-18 15:50:34,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 42.8) internal successors, (214), 5 states have internal predecessors, (214), 3 states have call successors, (96), 2 states have call predecessors, (96), 1 states have return successors, (92), 2 states have call predecessors, (92), 2 states have call successors, (92) [2021-12-18 15:50:34,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2571 transitions. [2021-12-18 15:50:34,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2021-12-18 15:50:34,628 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:34,629 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 18, 18, 18, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:50:34,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-12-18 15:50:34,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-12-18 15:50:34,829 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-12-18 15:50:34,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:34,830 INFO L85 PathProgramCache]: Analyzing trace with hash 138463399, now seen corresponding path program 1 times [2021-12-18 15:50:34,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:34,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740353594] [2021-12-18 15:50:34,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:34,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:50:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:50:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:50:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:50:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:50:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:50:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:50:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:50:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:50:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:50:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 15:50:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:50:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 15:50:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:50:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:50:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 15:50:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 15:50:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 15:50:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:50:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 15:50:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 15:50:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 15:50:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 15:50:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 15:50:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 15:50:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 15:50:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 15:50:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-12-18 15:50:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:50:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-18 15:50:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 15:50:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 15:50:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-12-18 15:50:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 15:50:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 15:50:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-18 15:50:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-18 15:50:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 15:50:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:50:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:50:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 15:50:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-18 15:50:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-12-18 15:50:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-18 15:50:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-18 15:50:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-18 15:50:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-12-18 15:50:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2021-12-18 15:50:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-18 15:50:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-12-18 15:50:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-18 15:50:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-18 15:50:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-12-18 15:50:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-12-18 15:50:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-12-18 15:50:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-18 15:50:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-18 15:50:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-12-18 15:50:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 15:50:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-18 15:50:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2021-12-18 15:50:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-12-18 15:50:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-18 15:50:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2021-12-18 15:50:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2021-12-18 15:50:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2021-12-18 15:50:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-18 15:50:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-18 15:50:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-18 15:50:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-12-18 15:50:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2021-12-18 15:50:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2021-12-18 15:50:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2021-12-18 15:50:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2021-12-18 15:50:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2021-12-18 15:50:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-12-18 15:50:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:50:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2021-12-18 15:50:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 15:50:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2021-12-18 15:50:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2021-12-18 15:50:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:35,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2021-12-18 15:50:35,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:35,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740353594] [2021-12-18 15:50:35,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740353594] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:35,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:50:35,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 15:50:35,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551530828] [2021-12-18 15:50:35,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:35,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 15:50:35,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:35,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 15:50:35,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:50:35,542 INFO L87 Difference]: Start difference. First operand 1928 states and 2571 transitions. Second operand has 10 states, 10 states have (on average 21.8) internal successors, (218), 3 states have internal predecessors, (218), 3 states have call successors, (96), 9 states have call predecessors, (96), 1 states have return successors, (92), 2 states have call predecessors, (92), 3 states have call successors, (92) [2021-12-18 15:50:40,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:40,875 INFO L93 Difference]: Finished difference Result 4099 states and 5511 transitions. [2021-12-18 15:50:40,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-18 15:50:40,876 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 21.8) internal successors, (218), 3 states have internal predecessors, (218), 3 states have call successors, (96), 9 states have call predecessors, (96), 1 states have return successors, (92), 2 states have call predecessors, (92), 3 states have call successors, (92) Word has length 681 [2021-12-18 15:50:40,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:40,877 INFO L225 Difference]: With dead ends: 4099 [2021-12-18 15:50:40,877 INFO L226 Difference]: Without dead ends: 0 [2021-12-18 15:50:40,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=350, Unknown=0, NotChecked=0, Total=506 [2021-12-18 15:50:40,886 INFO L933 BasicCegarLoop]: 1746 mSDtfsCounter, 5960 mSDsluCounter, 2351 mSDsCounter, 0 mSdLazyCounter, 3182 mSolverCounterSat, 5654 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6097 SdHoareTripleChecker+Valid, 4097 SdHoareTripleChecker+Invalid, 8836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5654 IncrementalHoareTripleChecker+Valid, 3182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:40,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6097 Valid, 4097 Invalid, 8836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5654 Valid, 3182 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-18 15:50:40,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-18 15:50:40,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-18 15:50:40,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-18 15:50:40,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-18 15:50:40,889 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 681 [2021-12-18 15:50:40,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:40,890 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-18 15:50:40,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 21.8) internal successors, (218), 3 states have internal predecessors, (218), 3 states have call successors, (96), 9 states have call predecessors, (96), 1 states have return successors, (92), 2 states have call predecessors, (92), 3 states have call successors, (92) [2021-12-18 15:50:40,890 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-18 15:50:40,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-18 15:50:40,892 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (26 of 27 remaining) [2021-12-18 15:50:40,892 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (25 of 27 remaining) [2021-12-18 15:50:40,893 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 27 remaining) [2021-12-18 15:50:40,893 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 27 remaining) [2021-12-18 15:50:40,893 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 27 remaining) [2021-12-18 15:50:40,893 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 27 remaining) [2021-12-18 15:50:40,893 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 27 remaining) [2021-12-18 15:50:40,893 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION (19 of 27 remaining) [2021-12-18 15:50:40,893 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 27 remaining) [2021-12-18 15:50:40,894 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION (17 of 27 remaining) [2021-12-18 15:50:40,894 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 27 remaining) [2021-12-18 15:50:40,894 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 27 remaining) [2021-12-18 15:50:40,894 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 27 remaining) [2021-12-18 15:50:40,894 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 27 remaining) [2021-12-18 15:50:40,894 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 27 remaining) [2021-12-18 15:50:40,894 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 27 remaining) [2021-12-18 15:50:40,894 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 27 remaining) [2021-12-18 15:50:40,895 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 27 remaining) [2021-12-18 15:50:40,895 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 27 remaining) [2021-12-18 15:50:40,895 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 27 remaining) [2021-12-18 15:50:40,895 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 27 remaining) [2021-12-18 15:50:40,895 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 27 remaining) [2021-12-18 15:50:40,895 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 27 remaining) [2021-12-18 15:50:40,895 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 27 remaining) [2021-12-18 15:50:40,895 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 27 remaining) [2021-12-18 15:50:40,896 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 27 remaining) [2021-12-18 15:50:40,896 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 27 remaining) [2021-12-18 15:50:40,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-12-18 15:50:40,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. Killed by 15