./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.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 cd814322f3abc5e8c6ad20085c30ec9c1fa5f2acc4d4d525b08e1fec6d772536 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 15:21:44,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 15:21:44,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 15:21:44,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 15:21:44,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 15:21:44,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 15:21:44,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 15:21:44,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 15:21:44,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 15:21:44,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 15:21:44,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 15:21:44,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 15:21:44,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 15:21:44,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 15:21:44,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 15:21:44,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 15:21:44,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 15:21:44,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 15:21:44,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 15:21:44,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 15:21:44,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 15:21:44,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 15:21:44,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 15:21:44,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 15:21:44,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 15:21:44,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 15:21:44,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 15:21:44,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 15:21:44,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 15:21:44,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 15:21:44,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 15:21:44,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 15:21:44,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 15:21:44,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 15:21:44,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 15:21:44,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 15:21:44,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 15:21:44,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 15:21:44,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 15:21:44,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 15:21:44,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 15:21:44,326 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 15:21:44,349 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 15:21:44,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 15:21:44,350 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 15:21:44,350 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 15:21:44,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 15:21:44,351 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 15:21:44,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 15:21:44,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 15:21:44,352 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 15:21:44,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 15:21:44,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 15:21:44,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 15:21:44,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 15:21:44,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 15:21:44,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 15:21:44,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 15:21:44,354 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 15:21:44,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 15:21:44,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 15:21:44,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 15:21:44,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 15:21:44,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 15:21:44,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 15:21:44,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 15:21:44,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 15:21:44,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 15:21:44,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 15:21:44,356 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 15:21:44,356 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 15:21:44,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 15:21:44,356 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 15:21:44,356 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd814322f3abc5e8c6ad20085c30ec9c1fa5f2acc4d4d525b08e1fec6d772536 [2021-12-18 15:21:44,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 15:21:44,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 15:21:44,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 15:21:44,585 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 15:21:44,586 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 15:21:44,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i [2021-12-18 15:21:44,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e16961587/bf86a68a79e74b3e9ec371d511687e57/FLAG7e14dc90c [2021-12-18 15:21:45,312 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 15:21:45,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i [2021-12-18 15:21:45,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e16961587/bf86a68a79e74b3e9ec371d511687e57/FLAG7e14dc90c [2021-12-18 15:21:45,675 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e16961587/bf86a68a79e74b3e9ec371d511687e57 [2021-12-18 15:21:45,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 15:21:45,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 15:21:45,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 15:21:45,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 15:21:45,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 15:21:45,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:21:45" (1/1) ... [2021-12-18 15:21:45,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7550b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:21:45, skipping insertion in model container [2021-12-18 15:21:45,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:21:45" (1/1) ... [2021-12-18 15:21:45,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 15:21:45,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 15:21:49,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502597,502610] [2021-12-18 15:21:49,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502742,502755] [2021-12-18 15:21:49,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502888,502901] [2021-12-18 15:21:49,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503053,503066] [2021-12-18 15:21:49,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503211,503224] [2021-12-18 15:21:49,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503369,503382] [2021-12-18 15:21:49,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503527,503540] [2021-12-18 15:21:49,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503687,503700] [2021-12-18 15:21:49,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503846,503859] [2021-12-18 15:21:49,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503985,503998] [2021-12-18 15:21:49,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504127,504140] [2021-12-18 15:21:49,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504276,504289] [2021-12-18 15:21:49,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504415,504428] [2021-12-18 15:21:49,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504570,504583] [2021-12-18 15:21:49,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504730,504743] [2021-12-18 15:21:49,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504881,504894] [2021-12-18 15:21:49,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505032,505045] [2021-12-18 15:21:49,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505184,505197] [2021-12-18 15:21:49,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505333,505346] [2021-12-18 15:21:49,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505481,505494] [2021-12-18 15:21:49,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505638,505651] [2021-12-18 15:21:49,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505787,505800] [2021-12-18 15:21:49,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505943,505956] [2021-12-18 15:21:49,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506096,506109] [2021-12-18 15:21:49,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506242,506255] [2021-12-18 15:21:49,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506385,506398] [2021-12-18 15:21:49,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506537,506550] [2021-12-18 15:21:49,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506683,506696] [2021-12-18 15:21:49,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506828,506841] [2021-12-18 15:21:49,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506982,506995] [2021-12-18 15:21:49,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507133,507146] [2021-12-18 15:21:49,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507288,507301] [2021-12-18 15:21:49,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507440,507453] [2021-12-18 15:21:49,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507595,507608] [2021-12-18 15:21:49,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507759,507772] [2021-12-18 15:21:49,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507915,507928] [2021-12-18 15:21:49,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508079,508092] [2021-12-18 15:21:49,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508221,508234] [2021-12-18 15:21:49,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508379,508392] [2021-12-18 15:21:49,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508546,508559] [2021-12-18 15:21:49,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508705,508718] [2021-12-18 15:21:49,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508864,508877] [2021-12-18 15:21:49,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509013,509026] [2021-12-18 15:21:49,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509160,509173] [2021-12-18 15:21:49,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509299,509312] [2021-12-18 15:21:49,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509462,509475] [2021-12-18 15:21:49,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509628,509641] [2021-12-18 15:21:49,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509792,509805] [2021-12-18 15:21:49,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509957,509970] [2021-12-18 15:21:49,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510122,510135] [2021-12-18 15:21:49,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510288,510301] [2021-12-18 15:21:49,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510453,510466] [2021-12-18 15:21:49,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510620,510633] [2021-12-18 15:21:49,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510780,510793] [2021-12-18 15:21:49,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510942,510955] [2021-12-18 15:21:49,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511101,511114] [2021-12-18 15:21:49,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511247,511260] [2021-12-18 15:21:49,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511390,511403] [2021-12-18 15:21:49,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511534,511547] [2021-12-18 15:21:49,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511677,511690] [2021-12-18 15:21:49,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511821,511834] [2021-12-18 15:21:49,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511962,511975] [2021-12-18 15:21:49,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512100,512113] [2021-12-18 15:21:49,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512258,512271] [2021-12-18 15:21:49,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512417,512430] [2021-12-18 15:21:49,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512573,512586] [2021-12-18 15:21:49,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512722,512735] [2021-12-18 15:21:49,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512874,512887] [2021-12-18 15:21:49,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513025,513038] [2021-12-18 15:21:49,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513174,513187] [2021-12-18 15:21:49,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513326,513339] [2021-12-18 15:21:49,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513474,513487] [2021-12-18 15:21:49,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513627,513640] [2021-12-18 15:21:49,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513778,513791] [2021-12-18 15:21:49,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513928,513941] [2021-12-18 15:21:49,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514075,514088] [2021-12-18 15:21:49,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514226,514239] [2021-12-18 15:21:49,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514377,514390] [2021-12-18 15:21:49,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514525,514538] [2021-12-18 15:21:49,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514691,514704] [2021-12-18 15:21:49,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514860,514873] [2021-12-18 15:21:49,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515027,515040] [2021-12-18 15:21:49,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515195,515208] [2021-12-18 15:21:49,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515345,515358] [2021-12-18 15:21:49,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515492,515505] [2021-12-18 15:21:49,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515653,515666] [2021-12-18 15:21:49,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515823,515836] [2021-12-18 15:21:49,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515985,515998] [2021-12-18 15:21:49,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 15:21:49,484 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 15:21:49,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502597,502610] [2021-12-18 15:21:49,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502742,502755] [2021-12-18 15:21:49,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502888,502901] [2021-12-18 15:21:49,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503053,503066] [2021-12-18 15:21:49,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503211,503224] [2021-12-18 15:21:49,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503369,503382] [2021-12-18 15:21:49,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503527,503540] [2021-12-18 15:21:49,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503687,503700] [2021-12-18 15:21:49,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503846,503859] [2021-12-18 15:21:49,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503985,503998] [2021-12-18 15:21:49,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504127,504140] [2021-12-18 15:21:49,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504276,504289] [2021-12-18 15:21:49,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504415,504428] [2021-12-18 15:21:49,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504570,504583] [2021-12-18 15:21:49,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504730,504743] [2021-12-18 15:21:49,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504881,504894] [2021-12-18 15:21:49,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505032,505045] [2021-12-18 15:21:49,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505184,505197] [2021-12-18 15:21:49,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505333,505346] [2021-12-18 15:21:49,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505481,505494] [2021-12-18 15:21:49,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505638,505651] [2021-12-18 15:21:49,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505787,505800] [2021-12-18 15:21:49,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505943,505956] [2021-12-18 15:21:49,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506096,506109] [2021-12-18 15:21:49,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506242,506255] [2021-12-18 15:21:49,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506385,506398] [2021-12-18 15:21:49,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506537,506550] [2021-12-18 15:21:49,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506683,506696] [2021-12-18 15:21:49,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506828,506841] [2021-12-18 15:21:49,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506982,506995] [2021-12-18 15:21:49,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507133,507146] [2021-12-18 15:21:49,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507288,507301] [2021-12-18 15:21:49,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507440,507453] [2021-12-18 15:21:49,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507595,507608] [2021-12-18 15:21:49,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507759,507772] [2021-12-18 15:21:49,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507915,507928] [2021-12-18 15:21:49,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508079,508092] [2021-12-18 15:21:49,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508221,508234] [2021-12-18 15:21:49,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508379,508392] [2021-12-18 15:21:49,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508546,508559] [2021-12-18 15:21:49,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508705,508718] [2021-12-18 15:21:49,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508864,508877] [2021-12-18 15:21:49,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509013,509026] [2021-12-18 15:21:49,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509160,509173] [2021-12-18 15:21:49,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509299,509312] [2021-12-18 15:21:49,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509462,509475] [2021-12-18 15:21:49,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509628,509641] [2021-12-18 15:21:49,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509792,509805] [2021-12-18 15:21:49,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509957,509970] [2021-12-18 15:21:49,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510122,510135] [2021-12-18 15:21:49,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510288,510301] [2021-12-18 15:21:49,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510453,510466] [2021-12-18 15:21:49,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510620,510633] [2021-12-18 15:21:49,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510780,510793] [2021-12-18 15:21:49,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510942,510955] [2021-12-18 15:21:49,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511101,511114] [2021-12-18 15:21:49,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511247,511260] [2021-12-18 15:21:49,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511390,511403] [2021-12-18 15:21:49,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511534,511547] [2021-12-18 15:21:49,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511677,511690] [2021-12-18 15:21:49,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511821,511834] [2021-12-18 15:21:49,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511962,511975] [2021-12-18 15:21:49,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512100,512113] [2021-12-18 15:21:49,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512258,512271] [2021-12-18 15:21:49,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512417,512430] [2021-12-18 15:21:49,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512573,512586] [2021-12-18 15:21:49,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512722,512735] [2021-12-18 15:21:49,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512874,512887] [2021-12-18 15:21:49,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513025,513038] [2021-12-18 15:21:49,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513174,513187] [2021-12-18 15:21:49,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513326,513339] [2021-12-18 15:21:49,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513474,513487] [2021-12-18 15:21:49,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513627,513640] [2021-12-18 15:21:49,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513778,513791] [2021-12-18 15:21:49,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513928,513941] [2021-12-18 15:21:49,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514075,514088] [2021-12-18 15:21:49,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514226,514239] [2021-12-18 15:21:49,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514377,514390] [2021-12-18 15:21:49,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514525,514538] [2021-12-18 15:21:49,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514691,514704] [2021-12-18 15:21:49,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514860,514873] [2021-12-18 15:21:49,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515027,515040] [2021-12-18 15:21:49,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515195,515208] [2021-12-18 15:21:49,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515345,515358] [2021-12-18 15:21:49,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515492,515505] [2021-12-18 15:21:49,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515653,515666] [2021-12-18 15:21:49,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515823,515836] [2021-12-18 15:21:49,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515985,515998] [2021-12-18 15:21:49,876 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 15:21:50,062 INFO L208 MainTranslator]: Completed translation [2021-12-18 15:21:50,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:21:50 WrapperNode [2021-12-18 15:21:50,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 15:21:50,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 15:21:50,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 15:21:50,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 15:21:50,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:21:50" (1/1) ... [2021-12-18 15:21:50,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:21:50" (1/1) ... [2021-12-18 15:21:50,527 INFO L137 Inliner]: procedures = 807, calls = 4037, calls flagged for inlining = 385, calls inlined = 274, statements flattened = 8610 [2021-12-18 15:21:50,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 15:21:50,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 15:21:50,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 15:21:50,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 15:21:50,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:21:50" (1/1) ... [2021-12-18 15:21:50,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:21:50" (1/1) ... [2021-12-18 15:21:50,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:21:50" (1/1) ... [2021-12-18 15:21:50,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:21:50" (1/1) ... [2021-12-18 15:21:50,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:21:50" (1/1) ... [2021-12-18 15:21:50,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:21:50" (1/1) ... [2021-12-18 15:21:50,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:21:50" (1/1) ... [2021-12-18 15:21:50,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 15:21:50,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 15:21:50,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 15:21:50,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 15:21:50,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:21:50" (1/1) ... [2021-12-18 15:21:50,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 15:21:50,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:21:50,900 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 15:21:50,939 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 15:21:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_ioctl [2021-12-18 15:21:50,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_ioctl [2021-12-18 15:21:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_get_capacity [2021-12-18 15:21:50,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_get_capacity [2021-12-18 15:21:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 15:21:50,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 15:21:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_read_device_status [2021-12-18 15:21:50,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_read_device_status [2021-12-18 15:21:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_getgeo [2021-12-18 15:21:50,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_getgeo [2021-12-18 15:21:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 15:21:50,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 15:21:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 15:21:50,956 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 15:21:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-12-18 15:21:50,957 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-12-18 15:21:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 15:21:50,957 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 15:21:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_exec_internal_command [2021-12-18 15:21:50,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_exec_internal_command [2021-12-18 15:21:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 15:21:50,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 15:21:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_read_log_page [2021-12-18 15:21:50,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_read_log_page [2021-12-18 15:21:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 15:21:50,958 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 15:21:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 15:21:50,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 15:21:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_106 [2021-12-18 15:21:50,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_106 [2021-12-18 15:21:50,959 INFO L130 BoogieDeclarations]: Found specification of procedure ata_swap_string [2021-12-18 15:21:50,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_swap_string [2021-12-18 15:21:50,959 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_node [2021-12-18 15:21:50,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_node [2021-12-18 15:21:50,959 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-18 15:21:50,959 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-18 15:21:50,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-18 15:21:50,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-18 15:21:50,960 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 15:21:50,960 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 15:21:50,960 INFO L130 BoogieDeclarations]: Found specification of procedure get_least_used_cpu_on_node [2021-12-18 15:21:50,960 INFO L138 BoogieDeclarations]: Found implementation of procedure get_least_used_cpu_on_node [2021-12-18 15:21:50,960 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 15:21:50,960 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 15:21:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 15:21:50,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 15:21:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 15:21:50,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 15:21:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 15:21:50,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 15:21:50,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 15:21:50,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 15:21:50,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 15:21:50,962 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-12-18 15:21:50,962 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-12-18 15:21:50,963 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-18 15:21:50,963 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-18 15:21:50,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-18 15:21:50,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-18 15:21:50,963 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2021-12-18 15:21:50,963 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2021-12-18 15:21:50,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 15:21:50,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 15:21:50,963 INFO L130 BoogieDeclarations]: Found specification of procedure __pcibus_to_node [2021-12-18 15:21:50,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __pcibus_to_node [2021-12-18 15:21:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 15:21:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_start_port [2021-12-18 15:21:50,964 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_start_port [2021-12-18 15:21:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 15:21:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 15:21:50,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 15:21:50,965 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 15:21:50,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 15:21:50,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 15:21:50,968 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-12-18 15:21:50,968 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-12-18 15:21:50,968 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 15:21:50,968 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-18 15:21:50,968 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-18 15:21:50,969 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-18 15:21:50,969 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-18 15:21:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 15:21:50,970 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 15:21:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-12-18 15:21:50,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-12-18 15:21:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 15:21:50,970 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 15:21:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_rq_from_tag [2021-12-18 15:21:50,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_rq_from_tag [2021-12-18 15:21:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 15:21:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 15:21:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 15:21:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 15:21:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 15:21:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 15:21:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hba_reset [2021-12-18 15:21:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hba_reset [2021-12-18 15:21:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 15:21:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure bdput [2021-12-18 15:21:50,972 INFO L138 BoogieDeclarations]: Found implementation of procedure bdput [2021-12-18 15:21:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_standby_immediate [2021-12-18 15:21:50,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_standby_immediate [2021-12-18 15:21:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_get [2021-12-18 15:21:50,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_get [2021-12-18 15:21:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-18 15:21:50,972 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-18 15:21:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 15:21:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-18 15:21:50,973 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-18 15:21:50,973 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2021-12-18 15:21:50,973 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2021-12-18 15:21:50,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 15:21:50,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 15:21:50,973 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_sysfs_exit [2021-12-18 15:21:50,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_sysfs_exit [2021-12-18 15:21:50,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 15:21:50,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 15:21:50,974 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_disable_link_opts [2021-12-18 15:21:50,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_disable_link_opts [2021-12-18 15:21:50,974 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-18 15:21:50,975 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-18 15:21:50,975 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_cmd_from_tag [2021-12-18 15:21:50,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_cmd_from_tag [2021-12-18 15:21:50,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-18 15:21:50,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-18 15:21:50,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 15:21:50,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 15:21:50,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 15:21:50,976 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 15:21:50,976 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 15:21:50,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 15:21:50,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 15:21:50,976 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2021-12-18 15:21:50,977 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2021-12-18 15:21:50,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 15:21:50,977 INFO L130 BoogieDeclarations]: Found specification of procedure exec_drive_taskfile [2021-12-18 15:21:50,977 INFO L138 BoogieDeclarations]: Found implementation of procedure exec_drive_taskfile [2021-12-18 15:21:50,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_104 [2021-12-18 15:21:50,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_104 [2021-12-18 15:21:50,977 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 15:21:50,977 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 15:21:50,977 INFO L130 BoogieDeclarations]: Found specification of procedure ida_remove [2021-12-18 15:21:50,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_remove [2021-12-18 15:21:50,978 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_restart_port [2021-12-18 15:21:50,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_restart_port [2021-12-18 15:21:50,978 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 15:21:50,978 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 15:21:50,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 15:21:50,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 15:21:50,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 15:21:50,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 15:21:50,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 15:21:50,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 15:21:50,979 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_remove [2021-12-18 15:21:50,979 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_remove [2021-12-18 15:21:50,979 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 15:21:50,979 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 15:21:50,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_free_irq [2021-12-18 15:21:50,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_free_irq [2021-12-18 15:21:50,980 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_compat_ioctl [2021-12-18 15:21:50,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_compat_ioctl [2021-12-18 15:21:50,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 15:21:50,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 15:21:50,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 15:21:50,980 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2021-12-18 15:21:50,980 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2021-12-18 15:21:50,980 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_resume [2021-12-18 15:21:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_resume [2021-12-18 15:21:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_105 [2021-12-18 15:21:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_105 [2021-12-18 15:21:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-18 15:21:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-18 15:21:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-18 15:21:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-18 15:21:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_device_reset [2021-12-18 15:21:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_device_reset [2021-12-18 15:21:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 15:21:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 15:21:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure devm_free_irq [2021-12-18 15:21:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_free_irq [2021-12-18 15:21:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_end_request [2021-12-18 15:21:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_end_request [2021-12-18 15:21:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-18 15:21:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-18 15:21:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_initialize [2021-12-18 15:21:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_initialize [2021-12-18 15:21:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_find_bit_find_first_bit [2021-12-18 15:21:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_find_bit_find_first_bit [2021-12-18 15:21:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 15:21:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 15:21:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 15:21:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 15:21:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_ioctl [2021-12-18 15:21:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_ioctl [2021-12-18 15:21:50,984 INFO L130 BoogieDeclarations]: Found specification of procedure __first_node [2021-12-18 15:21:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __first_node [2021-12-18 15:21:50,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 15:21:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 15:21:50,984 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-18 15:21:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-18 15:21:50,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_del_gendisk [2021-12-18 15:21:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_del_gendisk [2021-12-18 15:21:50,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-18 15:21:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-18 15:21:50,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 15:21:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 15:21:50,985 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 15:21:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 15:21:50,985 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-12-18 15:21:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-12-18 15:21:50,986 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_deinit_port [2021-12-18 15:21:50,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_deinit_port [2021-12-18 15:21:50,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 15:21:50,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 15:21:50,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 15:21:50,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 15:21:50,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-18 15:21:50,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-18 15:21:50,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 15:21:50,987 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-18 15:21:50,987 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-18 15:21:50,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-18 15:21:50,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-18 15:21:50,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 15:21:50,987 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2021-12-18 15:21:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2021-12-18 15:21:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 15:21:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 15:21:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_exit [2021-12-18 15:21:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_exit [2021-12-18 15:21:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_lock [2021-12-18 15:21:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_lock [2021-12-18 15:21:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 15:21:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 15:21:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 15:21:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2021-12-18 15:21:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2021-12-18 15:21:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-18 15:21:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-18 15:21:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 15:21:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 15:21:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-18 15:21:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-18 15:21:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 15:21:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 15:21:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_first [2021-12-18 15:21:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_first [2021-12-18 15:21:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 15:21:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 15:21:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_get_next_rr_node [2021-12-18 15:21:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_get_next_rr_node [2021-12-18 15:21:50,991 INFO L130 BoogieDeclarations]: Found specification of procedure hba_setup [2021-12-18 15:21:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure hba_setup [2021-12-18 15:21:50,991 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_enable_fis [2021-12-18 15:21:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_enable_fis [2021-12-18 15:21:50,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 15:21:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 15:21:50,991 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-18 15:21:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-18 15:21:50,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 15:21:50,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 15:21:50,992 INFO L130 BoogieDeclarations]: Found specification of procedure pcim_iounmap_regions [2021-12-18 15:21:50,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pcim_iounmap_regions [2021-12-18 15:21:50,992 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_debugfs_exit [2021-12-18 15:21:50,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_debugfs_exit [2021-12-18 15:21:50,992 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 15:21:50,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 15:21:50,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 15:21:50,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 15:21:50,993 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-18 15:21:50,993 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-18 15:21:50,993 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-18 15:21:50,993 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-18 15:21:50,993 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_put_int_command [2021-12-18 15:21:50,993 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_put_int_command [2021-12-18 15:21:50,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 15:21:50,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 15:21:50,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 15:21:50,994 INFO L130 BoogieDeclarations]: Found specification of procedure dmam_alloc_coherent [2021-12-18 15:21:50,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dmam_alloc_coherent [2021-12-18 15:21:50,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 15:21:50,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 15:21:50,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2021-12-18 15:21:50,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2021-12-18 15:21:50,994 INFO L130 BoogieDeclarations]: Found specification of procedure print_tags [2021-12-18 15:21:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure print_tags [2021-12-18 15:21:50,995 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-18 15:21:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-18 15:21:50,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_find_bit_find_next_bit [2021-12-18 15:21:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_find_bit_find_next_bit [2021-12-18 15:21:50,995 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 15:21:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 15:21:50,995 INFO L130 BoogieDeclarations]: Found specification of procedure drop_cpu [2021-12-18 15:21:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_cpu [2021-12-18 15:21:50,996 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-12-18 15:21:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-12-18 15:21:50,996 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-18 15:21:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-18 15:21:50,996 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_read_flags [2021-12-18 15:21:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_read_flags [2021-12-18 15:21:50,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-18 15:21:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-18 15:21:50,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 15:21:50,996 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_init_port [2021-12-18 15:21:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_init_port [2021-12-18 15:21:50,997 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-18 15:21:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-18 15:21:50,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 15:21:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 15:21:50,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 15:21:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 15:21:50,997 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-18 15:21:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-18 15:21:50,997 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_start_stopped_hw_queues [2021-12-18 15:21:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_start_stopped_hw_queues [2021-12-18 15:21:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-18 15:21:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-18 15:21:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure dmam_free_coherent [2021-12-18 15:21:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure dmam_free_coherent [2021-12-18 15:21:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 15:21:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 15:21:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_issue_ncq_command [2021-12-18 15:21:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_issue_ncq_command [2021-12-18 15:21:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_of_node [2021-12-18 15:21:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_of_node [2021-12-18 15:21:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_get_identify [2021-12-18 15:21:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_get_identify [2021-12-18 15:21:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 15:21:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 15:21:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 15:21:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 15:21:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-18 15:21:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-18 15:21:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 15:21:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 15:21:51,000 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_set_timeout [2021-12-18 15:21:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_set_timeout [2021-12-18 15:21:51,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 15:21:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 15:21:51,000 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-18 15:21:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-18 15:21:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2021-12-18 15:21:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2021-12-18 15:21:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_read_registers [2021-12-18 15:21:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_read_registers [2021-12-18 15:21:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_shutdown [2021-12-18 15:21:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_shutdown [2021-12-18 15:21:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_enable_engine [2021-12-18 15:21:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_enable_engine [2021-12-18 15:21:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 15:21:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 15:21:51,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 15:21:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 15:21:51,002 INFO L130 BoogieDeclarations]: Found specification of procedure pcim_enable_device [2021-12-18 15:21:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pcim_enable_device [2021-12-18 15:21:51,002 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_check_surprise_removal [2021-12-18 15:21:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_check_surprise_removal [2021-12-18 15:21:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 15:21:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 15:21:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-18 15:21:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-18 15:21:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2021-12-18 15:21:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2021-12-18 15:21:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 15:21:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 15:21:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2021-12-18 15:21:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2021-12-18 15:21:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-12-18 15:21:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-12-18 15:21:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 15:21:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 15:21:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 15:21:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_dma_free [2021-12-18 15:21:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_dma_free [2021-12-18 15:21:51,886 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 15:21:51,889 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 15:21:52,010 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 15:22:03,764 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 15:22:03,788 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 15:22:03,788 INFO L301 CfgBuilder]: Removed 13 assume(true) statements. [2021-12-18 15:22:03,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:22:03 BoogieIcfgContainer [2021-12-18 15:22:03,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 15:22:03,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 15:22:03,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 15:22:03,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 15:22:03,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 03:21:45" (1/3) ... [2021-12-18 15:22:03,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f5985e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:22:03, skipping insertion in model container [2021-12-18 15:22:03,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:21:50" (2/3) ... [2021-12-18 15:22:03,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f5985e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:22:03, skipping insertion in model container [2021-12-18 15:22:03,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:22:03" (3/3) ... [2021-12-18 15:22:03,800 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i [2021-12-18 15:22:03,804 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 15:22:03,804 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2021-12-18 15:22:03,847 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 15:22:03,859 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 15:22:03,859 INFO L340 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2021-12-18 15:22:03,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 3144 states, 2077 states have (on average 1.2980259990370726) internal successors, (2696), 2171 states have internal predecessors, (2696), 856 states have call successors, (856), 178 states have call predecessors, (856), 177 states have return successors, (847), 834 states have call predecessors, (847), 847 states have call successors, (847) [2021-12-18 15:22:03,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-12-18 15:22:03,920 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:22:03,921 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:22:03,921 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:22:03,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:22:03,928 INFO L85 PathProgramCache]: Analyzing trace with hash 635320827, now seen corresponding path program 1 times [2021-12-18 15:22:03,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:22:03,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442048797] [2021-12-18 15:22:03,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:22:03,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:22:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:04,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:22:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:04,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:22:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:04,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:22:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:04,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:22:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:04,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:22:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:04,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:22:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:04,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:22:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:04,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:22:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:04,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:22:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:04,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:22:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:04,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:22:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:04,562 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:22:04,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:22:04,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442048797] [2021-12-18 15:22:04,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442048797] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:22:04,563 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:22:04,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:22:04,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823599357] [2021-12-18 15:22:04,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:22:04,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:22:04,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:22:04,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:22:04,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:22:04,594 INFO L87 Difference]: Start difference. First operand has 3144 states, 2077 states have (on average 1.2980259990370726) internal successors, (2696), 2171 states have internal predecessors, (2696), 856 states have call successors, (856), 178 states have call predecessors, (856), 177 states have return successors, (847), 834 states have call predecessors, (847), 847 states have call successors, (847) Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-18 15:22:08,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:22:19,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:22:21,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:22:23,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:22:27,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:22:30,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:22:30,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:22:30,191 INFO L93 Difference]: Finished difference Result 6649 states and 9476 transitions. [2021-12-18 15:22:30,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:22:30,193 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 69 [2021-12-18 15:22:30,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:22:30,235 INFO L225 Difference]: With dead ends: 6649 [2021-12-18 15:22:30,236 INFO L226 Difference]: Without dead ends: 3534 [2021-12-18 15:22:30,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:22:30,262 INFO L933 BasicCegarLoop]: 3685 mSDtfsCounter, 8230 mSDsluCounter, 4090 mSDsCounter, 0 mSdLazyCounter, 6286 mSolverCounterSat, 5477 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8601 SdHoareTripleChecker+Valid, 7775 SdHoareTripleChecker+Invalid, 11769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5477 IncrementalHoareTripleChecker+Valid, 6286 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:22:30,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8601 Valid, 7775 Invalid, 11769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5477 Valid, 6286 Invalid, 6 Unknown, 0 Unchecked, 24.8s Time] [2021-12-18 15:22:30,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3534 states. [2021-12-18 15:22:30,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3534 to 3312. [2021-12-18 15:22:30,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3312 states, 2168 states have (on average 1.2527675276752768) internal successors, (2716), 2256 states have internal predecessors, (2716), 910 states have call successors, (910), 202 states have call predecessors, (910), 201 states have return successors, (908), 895 states have call predecessors, (908), 908 states have call successors, (908) [2021-12-18 15:22:30,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 4534 transitions. [2021-12-18 15:22:30,501 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 4534 transitions. Word has length 69 [2021-12-18 15:22:30,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:22:30,502 INFO L470 AbstractCegarLoop]: Abstraction has 3312 states and 4534 transitions. [2021-12-18 15:22:30,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-18 15:22:30,502 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 4534 transitions. [2021-12-18 15:22:30,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-12-18 15:22:30,510 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:22:30,510 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:22:30,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 15:22:30,511 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:22:30,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:22:30,511 INFO L85 PathProgramCache]: Analyzing trace with hash -787728199, now seen corresponding path program 1 times [2021-12-18 15:22:30,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:22:30,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604181937] [2021-12-18 15:22:30,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:22:30,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:22:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:30,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:22:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:30,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:22:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:30,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:22:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:30,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:22:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:30,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:22:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:30,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:22:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:30,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:22:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:30,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:22:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:30,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:22:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:30,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:22:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:30,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:22:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:30,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:22:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:22:30,899 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:22:30,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:22:30,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604181937] [2021-12-18 15:22:30,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604181937] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:22:30,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:22:30,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:22:30,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376757130] [2021-12-18 15:22:30,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:22:30,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:22:30,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:22:30,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:22:30,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:22:30,904 INFO L87 Difference]: Start difference. First operand 3312 states and 4534 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 15:22:34,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:22:46,607 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:22:49,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:22:51,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:22:59,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:23:01,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-18 15:23:04,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:23:06,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:23:08,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:23:12,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:23:13,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:23:13,112 INFO L93 Difference]: Finished difference Result 6546 states and 9088 transitions. [2021-12-18 15:23:13,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 15:23:13,113 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 75 [2021-12-18 15:23:13,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:23:13,141 INFO L225 Difference]: With dead ends: 6546 [2021-12-18 15:23:13,141 INFO L226 Difference]: Without dead ends: 6544 [2021-12-18 15:23:13,144 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2021-12-18 15:23:13,145 INFO L933 BasicCegarLoop]: 4212 mSDtfsCounter, 11868 mSDsluCounter, 6213 mSDsCounter, 0 mSdLazyCounter, 10480 mSolverCounterSat, 8567 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12229 SdHoareTripleChecker+Valid, 10425 SdHoareTripleChecker+Invalid, 19057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8567 IncrementalHoareTripleChecker+Valid, 10480 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:23:13,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12229 Valid, 10425 Invalid, 19057 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8567 Valid, 10480 Invalid, 10 Unknown, 0 Unchecked, 41.4s Time] [2021-12-18 15:23:13,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6544 states. [2021-12-18 15:23:13,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6544 to 5932. [2021-12-18 15:23:13,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5932 states, 3904 states have (on average 1.2553790983606556) internal successors, (4901), 4045 states have internal predecessors, (4901), 1639 states have call successors, (1639), 355 states have call predecessors, (1639), 356 states have return successors, (1651), 1607 states have call predecessors, (1651), 1637 states have call successors, (1651) [2021-12-18 15:23:13,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5932 states to 5932 states and 8191 transitions. [2021-12-18 15:23:13,338 INFO L78 Accepts]: Start accepts. Automaton has 5932 states and 8191 transitions. Word has length 75 [2021-12-18 15:23:13,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:23:13,340 INFO L470 AbstractCegarLoop]: Abstraction has 5932 states and 8191 transitions. [2021-12-18 15:23:13,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 15:23:13,340 INFO L276 IsEmpty]: Start isEmpty. Operand 5932 states and 8191 transitions. [2021-12-18 15:23:13,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-18 15:23:13,342 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:23:13,342 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:23:13,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 15:23:13,343 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:23:13,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:23:13,343 INFO L85 PathProgramCache]: Analyzing trace with hash -328801433, now seen corresponding path program 1 times [2021-12-18 15:23:13,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:23:13,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063325027] [2021-12-18 15:23:13,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:23:13,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:23:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:13,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:23:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:13,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:23:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:13,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:23:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:13,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:23:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:13,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:23:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:13,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:23:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:13,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:23:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:13,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:23:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:13,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:23:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:13,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:23:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:13,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:23:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:13,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:23:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:13,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:23:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:13,621 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:23:13,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:23:13,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063325027] [2021-12-18 15:23:13,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063325027] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:23:13,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:23:13,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:23:13,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970220116] [2021-12-18 15:23:13,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:23:13,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:23:13,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:23:13,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:23:13,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:23:13,623 INFO L87 Difference]: Start difference. First operand 5932 states and 8191 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 15:23:20,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:23:28,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:23:30,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:23:33,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:23:35,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:23:40,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:23:42,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:23:42,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:23:42,312 INFO L93 Difference]: Finished difference Result 6341 states and 8870 transitions. [2021-12-18 15:23:42,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:23:42,313 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 81 [2021-12-18 15:23:42,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:23:42,340 INFO L225 Difference]: With dead ends: 6341 [2021-12-18 15:23:42,341 INFO L226 Difference]: Without dead ends: 6339 [2021-12-18 15:23:42,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:23:42,349 INFO L933 BasicCegarLoop]: 3661 mSDtfsCounter, 8161 mSDsluCounter, 4044 mSDsCounter, 0 mSdLazyCounter, 6272 mSolverCounterSat, 5456 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8522 SdHoareTripleChecker+Valid, 7705 SdHoareTripleChecker+Invalid, 11735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5456 IncrementalHoareTripleChecker+Valid, 6272 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:23:42,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8522 Valid, 7705 Invalid, 11735 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5456 Valid, 6272 Invalid, 7 Unknown, 0 Unchecked, 28.2s Time] [2021-12-18 15:23:42,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6339 states. [2021-12-18 15:23:42,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6339 to 5930. [2021-12-18 15:23:42,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5930 states, 3903 states have (on average 1.2551883166794773) internal successors, (4899), 4043 states have internal predecessors, (4899), 1639 states have call successors, (1639), 355 states have call predecessors, (1639), 356 states have return successors, (1651), 1607 states have call predecessors, (1651), 1637 states have call successors, (1651) [2021-12-18 15:23:42,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5930 states to 5930 states and 8189 transitions. [2021-12-18 15:23:42,554 INFO L78 Accepts]: Start accepts. Automaton has 5930 states and 8189 transitions. Word has length 81 [2021-12-18 15:23:42,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:23:42,554 INFO L470 AbstractCegarLoop]: Abstraction has 5930 states and 8189 transitions. [2021-12-18 15:23:42,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 15:23:42,555 INFO L276 IsEmpty]: Start isEmpty. Operand 5930 states and 8189 transitions. [2021-12-18 15:23:42,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-12-18 15:23:42,557 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:23:42,557 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:23:42,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 15:23:42,557 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:23:42,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:23:42,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1751085490, now seen corresponding path program 1 times [2021-12-18 15:23:42,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:23:42,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055283440] [2021-12-18 15:23:42,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:23:42,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:23:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:42,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:23:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:42,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:23:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:42,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:23:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:42,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:23:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:42,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:23:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:42,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:23:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:42,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:23:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:42,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:23:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:42,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:23:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:42,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:23:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:42,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:23:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:42,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:23:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:42,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:23:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:42,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:23:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:23:42,926 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:23:42,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:23:42,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055283440] [2021-12-18 15:23:42,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055283440] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:23:42,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:23:42,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:23:42,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008231452] [2021-12-18 15:23:42,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:23:42,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:23:42,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:23:42,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:23:42,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:23:42,929 INFO L87 Difference]: Start difference. First operand 5930 states and 8189 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 15:23:48,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:02,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:06,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:08,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:12,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:14,584 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:16,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:20,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:22,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:27,491 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:29,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:31,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:33,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:35,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:36,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:24:36,539 INFO L93 Difference]: Finished difference Result 12330 states and 17364 transitions. [2021-12-18 15:24:36,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 15:24:36,539 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 87 [2021-12-18 15:24:36,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:24:36,624 INFO L225 Difference]: With dead ends: 12330 [2021-12-18 15:24:36,624 INFO L226 Difference]: Without dead ends: 12328 [2021-12-18 15:24:36,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2021-12-18 15:24:36,638 INFO L933 BasicCegarLoop]: 4887 mSDtfsCounter, 11319 mSDsluCounter, 7366 mSDsCounter, 0 mSdLazyCounter, 11169 mSolverCounterSat, 8249 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11664 SdHoareTripleChecker+Valid, 12253 SdHoareTripleChecker+Invalid, 19432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8249 IncrementalHoareTripleChecker+Valid, 11169 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.7s IncrementalHoareTripleChecker+Time [2021-12-18 15:24:36,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11664 Valid, 12253 Invalid, 19432 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8249 Valid, 11169 Invalid, 14 Unknown, 0 Unchecked, 52.7s Time] [2021-12-18 15:24:36,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12328 states. [2021-12-18 15:24:37,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12328 to 11480. [2021-12-18 15:24:37,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11480 states, 7570 states have (on average 1.2549537648612945) internal successors, (9500), 7823 states have internal predecessors, (9500), 3169 states have call successors, (3169), 677 states have call predecessors, (3169), 709 states have return successors, (3389), 3127 states have call predecessors, (3389), 3167 states have call successors, (3389) [2021-12-18 15:24:37,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11480 states to 11480 states and 16058 transitions. [2021-12-18 15:24:37,173 INFO L78 Accepts]: Start accepts. Automaton has 11480 states and 16058 transitions. Word has length 87 [2021-12-18 15:24:37,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:24:37,174 INFO L470 AbstractCegarLoop]: Abstraction has 11480 states and 16058 transitions. [2021-12-18 15:24:37,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 15:24:37,174 INFO L276 IsEmpty]: Start isEmpty. Operand 11480 states and 16058 transitions. [2021-12-18 15:24:37,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-18 15:24:37,177 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:24:37,177 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:24:37,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 15:24:37,178 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:24:37,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:24:37,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1912428236, now seen corresponding path program 1 times [2021-12-18 15:24:37,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:24:37,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772086208] [2021-12-18 15:24:37,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:24:37,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:24:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:37,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:24:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:37,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:24:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:37,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:24:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:37,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:24:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:24:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:37,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:24:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:37,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:24:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:37,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:24:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:37,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:24:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:37,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:24:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:37,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:24:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:24:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:37,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:24:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:37,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:24:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:37,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:24:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:24:37,490 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:24:37,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:24:37,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772086208] [2021-12-18 15:24:37,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772086208] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:24:37,490 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:24:37,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:24:37,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705902019] [2021-12-18 15:24:37,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:24:37,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:24:37,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:24:37,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:24:37,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:24:37,492 INFO L87 Difference]: Start difference. First operand 11480 states and 16058 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 15:24:41,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:52,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:57,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:24:59,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:25:02,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:25:05,060 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:25:05,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:25:05,303 INFO L93 Difference]: Finished difference Result 12058 states and 17026 transitions. [2021-12-18 15:25:05,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:25:05,304 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 93 [2021-12-18 15:25:05,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:25:05,350 INFO L225 Difference]: With dead ends: 12058 [2021-12-18 15:25:05,350 INFO L226 Difference]: Without dead ends: 12056 [2021-12-18 15:25:05,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:25:05,362 INFO L933 BasicCegarLoop]: 3638 mSDtfsCounter, 8214 mSDsluCounter, 4039 mSDsCounter, 0 mSdLazyCounter, 6251 mSolverCounterSat, 5467 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8578 SdHoareTripleChecker+Valid, 7677 SdHoareTripleChecker+Invalid, 11723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5467 IncrementalHoareTripleChecker+Valid, 6251 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:25:05,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8578 Valid, 7677 Invalid, 11723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5467 Valid, 6251 Invalid, 5 Unknown, 0 Unchecked, 27.2s Time] [2021-12-18 15:25:05,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12056 states. [2021-12-18 15:25:05,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12056 to 11478. [2021-12-18 15:25:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11478 states, 7569 states have (on average 1.254855330955212) internal successors, (9498), 7821 states have internal predecessors, (9498), 3169 states have call successors, (3169), 677 states have call predecessors, (3169), 709 states have return successors, (3389), 3127 states have call predecessors, (3389), 3167 states have call successors, (3389) [2021-12-18 15:25:05,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11478 states to 11478 states and 16056 transitions. [2021-12-18 15:25:05,870 INFO L78 Accepts]: Start accepts. Automaton has 11478 states and 16056 transitions. Word has length 93 [2021-12-18 15:25:05,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:25:05,872 INFO L470 AbstractCegarLoop]: Abstraction has 11478 states and 16056 transitions. [2021-12-18 15:25:05,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 15:25:05,872 INFO L276 IsEmpty]: Start isEmpty. Operand 11478 states and 16056 transitions. [2021-12-18 15:25:05,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-18 15:25:05,876 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:25:05,876 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:25:05,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 15:25:05,876 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:25:05,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:25:05,877 INFO L85 PathProgramCache]: Analyzing trace with hash 104795649, now seen corresponding path program 1 times [2021-12-18 15:25:05,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:25:05,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544046389] [2021-12-18 15:25:05,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:25:05,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:25:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:06,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:25:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:06,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:25:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:06,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:25:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:06,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:25:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:06,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:25:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:06,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:25:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:06,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:25:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:06,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:25:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:06,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:25:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:06,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:25:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:06,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:25:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:06,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:25:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:06,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:25:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:06,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:25:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:06,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:25:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:06,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:25:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:06,165 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:25:06,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:25:06,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544046389] [2021-12-18 15:25:06,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544046389] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:25:06,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:25:06,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:25:06,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290415264] [2021-12-18 15:25:06,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:25:06,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:25:06,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:25:06,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:25:06,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:25:06,168 INFO L87 Difference]: Start difference. First operand 11478 states and 16056 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 15:25:10,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:25:13,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 15:25:23,851 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:25:28,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:25:30,369 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:25:33,968 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:25:36,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:25:36,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:25:36,328 INFO L93 Difference]: Finished difference Result 12056 states and 17024 transitions. [2021-12-18 15:25:36,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:25:36,329 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 99 [2021-12-18 15:25:36,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:25:36,372 INFO L225 Difference]: With dead ends: 12056 [2021-12-18 15:25:36,372 INFO L226 Difference]: Without dead ends: 12054 [2021-12-18 15:25:36,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:25:36,384 INFO L933 BasicCegarLoop]: 3633 mSDtfsCounter, 8209 mSDsluCounter, 4035 mSDsCounter, 0 mSdLazyCounter, 6242 mSolverCounterSat, 5467 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8574 SdHoareTripleChecker+Valid, 7668 SdHoareTripleChecker+Invalid, 11716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5467 IncrementalHoareTripleChecker+Valid, 6242 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:25:36,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8574 Valid, 7668 Invalid, 11716 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5467 Valid, 6242 Invalid, 7 Unknown, 0 Unchecked, 29.4s Time] [2021-12-18 15:25:36,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12054 states. [2021-12-18 15:25:36,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12054 to 11476. [2021-12-18 15:25:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11476 states, 7568 states have (on average 1.254756871035941) internal successors, (9496), 7819 states have internal predecessors, (9496), 3169 states have call successors, (3169), 677 states have call predecessors, (3169), 709 states have return successors, (3389), 3127 states have call predecessors, (3389), 3167 states have call successors, (3389) [2021-12-18 15:25:36,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11476 states to 11476 states and 16054 transitions. [2021-12-18 15:25:36,866 INFO L78 Accepts]: Start accepts. Automaton has 11476 states and 16054 transitions. Word has length 99 [2021-12-18 15:25:36,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:25:36,867 INFO L470 AbstractCegarLoop]: Abstraction has 11476 states and 16054 transitions. [2021-12-18 15:25:36,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 15:25:36,868 INFO L276 IsEmpty]: Start isEmpty. Operand 11476 states and 16054 transitions. [2021-12-18 15:25:36,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-12-18 15:25:36,870 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:25:36,870 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:25:36,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 15:25:36,870 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:25:36,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:25:36,872 INFO L85 PathProgramCache]: Analyzing trace with hash -2037620548, now seen corresponding path program 1 times [2021-12-18 15:25:36,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:25:36,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941386118] [2021-12-18 15:25:36,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:25:36,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:25:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:37,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:25:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:37,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:25:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:37,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:25:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:37,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:25:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:37,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:25:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:37,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:25:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:37,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:25:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:37,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:25:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:37,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:25:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:37,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:25:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:37,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:25:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:37,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:25:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:37,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:25:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:37,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:25:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:37,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:25:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:37,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:25:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:37,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 15:25:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:25:37,166 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:25:37,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:25:37,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941386118] [2021-12-18 15:25:37,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941386118] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:25:37,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:25:37,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:25:37,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401501521] [2021-12-18 15:25:37,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:25:37,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:25:37,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:25:37,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:25:37,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:25:37,169 INFO L87 Difference]: Start difference. First operand 11476 states and 16054 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 15:25:41,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:25:52,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:25:56,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:25:58,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:02,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:04,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:04,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:26:04,655 INFO L93 Difference]: Finished difference Result 12054 states and 17022 transitions. [2021-12-18 15:26:04,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:26:04,655 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 105 [2021-12-18 15:26:04,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:26:04,697 INFO L225 Difference]: With dead ends: 12054 [2021-12-18 15:26:04,698 INFO L226 Difference]: Without dead ends: 12052 [2021-12-18 15:26:04,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:26:04,709 INFO L933 BasicCegarLoop]: 3632 mSDtfsCounter, 8198 mSDsluCounter, 4035 mSDsCounter, 0 mSdLazyCounter, 6239 mSolverCounterSat, 5470 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8562 SdHoareTripleChecker+Valid, 7667 SdHoareTripleChecker+Invalid, 11715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5470 IncrementalHoareTripleChecker+Valid, 6239 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:26:04,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8562 Valid, 7667 Invalid, 11715 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5470 Valid, 6239 Invalid, 6 Unknown, 0 Unchecked, 26.8s Time] [2021-12-18 15:26:04,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12052 states. [2021-12-18 15:26:05,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12052 to 11474. [2021-12-18 15:26:05,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11474 states, 7567 states have (on average 1.2546583850931676) internal successors, (9494), 7817 states have internal predecessors, (9494), 3169 states have call successors, (3169), 677 states have call predecessors, (3169), 709 states have return successors, (3389), 3127 states have call predecessors, (3389), 3167 states have call successors, (3389) [2021-12-18 15:26:05,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11474 states to 11474 states and 16052 transitions. [2021-12-18 15:26:05,182 INFO L78 Accepts]: Start accepts. Automaton has 11474 states and 16052 transitions. Word has length 105 [2021-12-18 15:26:05,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:26:05,182 INFO L470 AbstractCegarLoop]: Abstraction has 11474 states and 16052 transitions. [2021-12-18 15:26:05,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 15:26:05,182 INFO L276 IsEmpty]: Start isEmpty. Operand 11474 states and 16052 transitions. [2021-12-18 15:26:05,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-18 15:26:05,184 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:26:05,184 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:26:05,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 15:26:05,185 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:26:05,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:26:05,185 INFO L85 PathProgramCache]: Analyzing trace with hash 448994345, now seen corresponding path program 1 times [2021-12-18 15:26:05,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:26:05,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647503299] [2021-12-18 15:26:05,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:26:05,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:26:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:26:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:26:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:26:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:26:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:26:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:26:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:26:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:26:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:26:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:26:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:26:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:26:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:26:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:26:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:26:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:26:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 15:26:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:26:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:05,445 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:26:05,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:26:05,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647503299] [2021-12-18 15:26:05,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647503299] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:26:05,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:26:05,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:26:05,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535799358] [2021-12-18 15:26:05,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:26:05,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:26:05,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:26:05,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:26:05,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:26:05,447 INFO L87 Difference]: Start difference. First operand 11474 states and 16052 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 15:26:11,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:20,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:23,513 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:25,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:29,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:31,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:32,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:26:32,239 INFO L93 Difference]: Finished difference Result 12052 states and 17020 transitions. [2021-12-18 15:26:32,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:26:32,240 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 111 [2021-12-18 15:26:32,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:26:32,281 INFO L225 Difference]: With dead ends: 12052 [2021-12-18 15:26:32,282 INFO L226 Difference]: Without dead ends: 12050 [2021-12-18 15:26:32,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:26:32,293 INFO L933 BasicCegarLoop]: 3631 mSDtfsCounter, 8197 mSDsluCounter, 4039 mSDsCounter, 0 mSdLazyCounter, 6242 mSolverCounterSat, 5464 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8558 SdHoareTripleChecker+Valid, 7670 SdHoareTripleChecker+Invalid, 11712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5464 IncrementalHoareTripleChecker+Valid, 6242 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:26:32,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8558 Valid, 7670 Invalid, 11712 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5464 Valid, 6242 Invalid, 6 Unknown, 0 Unchecked, 26.1s Time] [2021-12-18 15:26:32,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12050 states. [2021-12-18 15:26:32,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12050 to 11472. [2021-12-18 15:26:32,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11472 states, 7566 states have (on average 1.2545598731165741) internal successors, (9492), 7815 states have internal predecessors, (9492), 3169 states have call successors, (3169), 677 states have call predecessors, (3169), 709 states have return successors, (3389), 3127 states have call predecessors, (3389), 3167 states have call successors, (3389) [2021-12-18 15:26:32,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11472 states to 11472 states and 16050 transitions. [2021-12-18 15:26:32,761 INFO L78 Accepts]: Start accepts. Automaton has 11472 states and 16050 transitions. Word has length 111 [2021-12-18 15:26:32,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:26:32,762 INFO L470 AbstractCegarLoop]: Abstraction has 11472 states and 16050 transitions. [2021-12-18 15:26:32,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 15:26:32,762 INFO L276 IsEmpty]: Start isEmpty. Operand 11472 states and 16050 transitions. [2021-12-18 15:26:32,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-18 15:26:32,764 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:26:32,764 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:26:32,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 15:26:32,764 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:26:32,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:26:32,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1987041548, now seen corresponding path program 1 times [2021-12-18 15:26:32,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:26:32,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965603973] [2021-12-18 15:26:32,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:26:32,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:26:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:26:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:26:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:26:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:26:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:26:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:26:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:26:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:26:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:26:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:26:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:26:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:26:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:26:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:26:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:26:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:26:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 15:26:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:26:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:26:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:26:32,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:26:32,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965603973] [2021-12-18 15:26:32,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965603973] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:26:32,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:26:33,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:26:33,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350410896] [2021-12-18 15:26:33,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:26:33,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:26:33,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:26:33,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:26:33,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:26:33,001 INFO L87 Difference]: Start difference. First operand 11472 states and 16050 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 15:26:36,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:39,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 15:26:50,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:54,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:26:56,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:00,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:02,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:03,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:27:03,016 INFO L93 Difference]: Finished difference Result 12050 states and 17018 transitions. [2021-12-18 15:27:03,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:27:03,017 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2021-12-18 15:27:03,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:27:03,057 INFO L225 Difference]: With dead ends: 12050 [2021-12-18 15:27:03,057 INFO L226 Difference]: Without dead ends: 12048 [2021-12-18 15:27:03,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:27:03,069 INFO L933 BasicCegarLoop]: 3628 mSDtfsCounter, 8180 mSDsluCounter, 4035 mSDsCounter, 0 mSdLazyCounter, 6237 mSolverCounterSat, 5467 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8543 SdHoareTripleChecker+Valid, 7663 SdHoareTripleChecker+Invalid, 11711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5467 IncrementalHoareTripleChecker+Valid, 6237 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:27:03,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8543 Valid, 7663 Invalid, 11711 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5467 Valid, 6237 Invalid, 7 Unknown, 0 Unchecked, 29.3s Time] [2021-12-18 15:27:03,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12048 states. [2021-12-18 15:27:03,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12048 to 11470. [2021-12-18 15:27:03,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11470 states, 7565 states have (on average 1.254461335095836) internal successors, (9490), 7813 states have internal predecessors, (9490), 3169 states have call successors, (3169), 677 states have call predecessors, (3169), 709 states have return successors, (3389), 3127 states have call predecessors, (3389), 3167 states have call successors, (3389) [2021-12-18 15:27:03,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11470 states to 11470 states and 16048 transitions. [2021-12-18 15:27:03,568 INFO L78 Accepts]: Start accepts. Automaton has 11470 states and 16048 transitions. Word has length 113 [2021-12-18 15:27:03,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:27:03,569 INFO L470 AbstractCegarLoop]: Abstraction has 11470 states and 16048 transitions. [2021-12-18 15:27:03,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 15:27:03,570 INFO L276 IsEmpty]: Start isEmpty. Operand 11470 states and 16048 transitions. [2021-12-18 15:27:03,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-18 15:27:03,571 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:27:03,571 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:27:03,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 15:27:03,571 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:27:03,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:27:03,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1459130536, now seen corresponding path program 1 times [2021-12-18 15:27:03,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:27:03,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169790312] [2021-12-18 15:27:03,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:27:03,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:27:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:27:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:27:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:27:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:27:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:27:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:27:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:27:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:27:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:27:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:27:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:27:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:27:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:27:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:27:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:27:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:27:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 15:27:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:27:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 15:27:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:03,845 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:27:03,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:27:03,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169790312] [2021-12-18 15:27:03,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169790312] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:27:03,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:27:03,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:27:03,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340024676] [2021-12-18 15:27:03,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:27:03,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:27:03,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:27:03,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:27:03,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:27:03,848 INFO L87 Difference]: Start difference. First operand 11470 states and 16048 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 15:27:07,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:19,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:24,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:26,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:30,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:32,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:32,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:27:32,758 INFO L93 Difference]: Finished difference Result 12048 states and 17016 transitions. [2021-12-18 15:27:32,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:27:32,758 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 119 [2021-12-18 15:27:32,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:27:32,791 INFO L225 Difference]: With dead ends: 12048 [2021-12-18 15:27:32,791 INFO L226 Difference]: Without dead ends: 12046 [2021-12-18 15:27:32,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:27:32,797 INFO L933 BasicCegarLoop]: 3626 mSDtfsCounter, 8174 mSDsluCounter, 4035 mSDsCounter, 0 mSdLazyCounter, 6233 mSolverCounterSat, 5470 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8536 SdHoareTripleChecker+Valid, 7661 SdHoareTripleChecker+Invalid, 11709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5470 IncrementalHoareTripleChecker+Valid, 6233 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:27:32,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8536 Valid, 7661 Invalid, 11709 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5470 Valid, 6233 Invalid, 6 Unknown, 0 Unchecked, 28.0s Time] [2021-12-18 15:27:32,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12046 states. [2021-12-18 15:27:33,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12046 to 11468. [2021-12-18 15:27:33,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11468 states, 7564 states have (on average 1.254362771020624) internal successors, (9488), 7811 states have internal predecessors, (9488), 3169 states have call successors, (3169), 677 states have call predecessors, (3169), 709 states have return successors, (3389), 3127 states have call predecessors, (3389), 3167 states have call successors, (3389) [2021-12-18 15:27:33,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11468 states to 11468 states and 16046 transitions. [2021-12-18 15:27:33,201 INFO L78 Accepts]: Start accepts. Automaton has 11468 states and 16046 transitions. Word has length 119 [2021-12-18 15:27:33,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:27:33,202 INFO L470 AbstractCegarLoop]: Abstraction has 11468 states and 16046 transitions. [2021-12-18 15:27:33,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 15:27:33,202 INFO L276 IsEmpty]: Start isEmpty. Operand 11468 states and 16046 transitions. [2021-12-18 15:27:33,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-12-18 15:27:33,203 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:27:33,204 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:27:33,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 15:27:33,204 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:27:33,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:27:33,204 INFO L85 PathProgramCache]: Analyzing trace with hash -2000688322, now seen corresponding path program 1 times [2021-12-18 15:27:33,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:27:33,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109472724] [2021-12-18 15:27:33,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:27:33,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:27:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:27:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:27:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:27:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:27:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:27:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:27:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:27:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:27:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:27:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:27:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:27:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:27:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:27:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:27:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:27:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:27:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 15:27:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:27:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 15:27:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 15:27:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:27:33,474 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:27:33,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:27:33,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109472724] [2021-12-18 15:27:33,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109472724] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:27:33,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:27:33,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:27:33,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651149210] [2021-12-18 15:27:33,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:27:33,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:27:33,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:27:33,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:27:33,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:27:33,477 INFO L87 Difference]: Start difference. First operand 11468 states and 16046 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 15:27:37,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:49,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:53,357 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:55,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:27:59,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:01,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:01,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:28:01,538 INFO L93 Difference]: Finished difference Result 12046 states and 17014 transitions. [2021-12-18 15:28:01,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:28:01,539 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2021-12-18 15:28:01,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:28:01,574 INFO L225 Difference]: With dead ends: 12046 [2021-12-18 15:28:01,575 INFO L226 Difference]: Without dead ends: 12044 [2021-12-18 15:28:01,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:28:01,583 INFO L933 BasicCegarLoop]: 3624 mSDtfsCounter, 8166 mSDsluCounter, 4035 mSDsCounter, 0 mSdLazyCounter, 6235 mSolverCounterSat, 5467 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8527 SdHoareTripleChecker+Valid, 7659 SdHoareTripleChecker+Invalid, 11708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5467 IncrementalHoareTripleChecker+Valid, 6235 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:28:01,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8527 Valid, 7659 Invalid, 11708 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5467 Valid, 6235 Invalid, 6 Unknown, 0 Unchecked, 27.3s Time] [2021-12-18 15:28:01,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12044 states. [2021-12-18 15:28:02,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12044 to 11466. [2021-12-18 15:28:02,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11466 states, 7563 states have (on average 1.254264180880603) internal successors, (9486), 7809 states have internal predecessors, (9486), 3169 states have call successors, (3169), 677 states have call predecessors, (3169), 709 states have return successors, (3389), 3127 states have call predecessors, (3389), 3167 states have call successors, (3389) [2021-12-18 15:28:02,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11466 states to 11466 states and 16044 transitions. [2021-12-18 15:28:02,174 INFO L78 Accepts]: Start accepts. Automaton has 11466 states and 16044 transitions. Word has length 125 [2021-12-18 15:28:02,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:28:02,174 INFO L470 AbstractCegarLoop]: Abstraction has 11466 states and 16044 transitions. [2021-12-18 15:28:02,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 15:28:02,175 INFO L276 IsEmpty]: Start isEmpty. Operand 11466 states and 16044 transitions. [2021-12-18 15:28:02,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-12-18 15:28:02,176 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:28:02,176 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:28:02,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 15:28:02,176 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:28:02,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:28:02,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1328539972, now seen corresponding path program 1 times [2021-12-18 15:28:02,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:28:02,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145100971] [2021-12-18 15:28:02,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:28:02,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:28:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:28:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:28:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:28:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:28:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:28:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:28:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:28:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:28:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:28:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:28:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:28:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:28:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:28:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:28:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:28:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 15:28:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:28:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 15:28:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 15:28:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 15:28:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:02,443 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:28:02,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:28:02,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145100971] [2021-12-18 15:28:02,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145100971] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:28:02,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:28:02,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:28:02,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402004025] [2021-12-18 15:28:02,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:28:02,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:28:02,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:28:02,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:28:02,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:28:02,445 INFO L87 Difference]: Start difference. First operand 11466 states and 16044 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 15:28:06,268 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:16,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:21,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:23,151 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:26,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:28,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:29,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:28:29,257 INFO L93 Difference]: Finished difference Result 12044 states and 17012 transitions. [2021-12-18 15:28:29,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:28:29,258 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 131 [2021-12-18 15:28:29,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:28:29,290 INFO L225 Difference]: With dead ends: 12044 [2021-12-18 15:28:29,290 INFO L226 Difference]: Without dead ends: 12042 [2021-12-18 15:28:29,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:28:29,297 INFO L933 BasicCegarLoop]: 3622 mSDtfsCounter, 8158 mSDsluCounter, 4035 mSDsCounter, 0 mSdLazyCounter, 6232 mSolverCounterSat, 5467 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8518 SdHoareTripleChecker+Valid, 7657 SdHoareTripleChecker+Invalid, 11705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5467 IncrementalHoareTripleChecker+Valid, 6232 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:28:29,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8518 Valid, 7657 Invalid, 11705 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5467 Valid, 6232 Invalid, 6 Unknown, 0 Unchecked, 26.1s Time] [2021-12-18 15:28:29,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12042 states. [2021-12-18 15:28:29,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12042 to 11464. [2021-12-18 15:28:29,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11464 states, 7562 states have (on average 1.2541655646654324) internal successors, (9484), 7807 states have internal predecessors, (9484), 3169 states have call successors, (3169), 677 states have call predecessors, (3169), 709 states have return successors, (3389), 3127 states have call predecessors, (3389), 3167 states have call successors, (3389) [2021-12-18 15:28:29,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11464 states to 11464 states and 16042 transitions. [2021-12-18 15:28:29,817 INFO L78 Accepts]: Start accepts. Automaton has 11464 states and 16042 transitions. Word has length 131 [2021-12-18 15:28:29,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:28:29,818 INFO L470 AbstractCegarLoop]: Abstraction has 11464 states and 16042 transitions. [2021-12-18 15:28:29,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 15:28:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 11464 states and 16042 transitions. [2021-12-18 15:28:29,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-12-18 15:28:29,819 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:28:29,819 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:28:29,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 15:28:29,822 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:28:29,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:28:29,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1288458912, now seen corresponding path program 1 times [2021-12-18 15:28:29,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:28:29,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565937517] [2021-12-18 15:28:29,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:28:29,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:28:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:29,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:28:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:29,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:28:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:29,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:28:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:29,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:28:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:29,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:28:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:29,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:28:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:29,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:28:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:29,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:28:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:29,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:29,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:28:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:29,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:28:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:29,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:28:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:30,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:28:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:30,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:28:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:30,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:28:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:30,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:28:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:30,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 15:28:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:30,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:28:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:30,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 15:28:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:30,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 15:28:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:30,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 15:28:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:30,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 15:28:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:30,058 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:28:30,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:28:30,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565937517] [2021-12-18 15:28:30,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565937517] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:28:30,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:28:30,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:28:30,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836849918] [2021-12-18 15:28:30,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:28:30,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:28:30,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:28:30,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:28:30,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:28:30,060 INFO L87 Difference]: Start difference. First operand 11464 states and 16042 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 15:28:33,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:43,720 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:48,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:50,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:54,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:56,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:28:57,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:28:57,054 INFO L93 Difference]: Finished difference Result 12042 states and 17010 transitions. [2021-12-18 15:28:57,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:28:57,055 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 137 [2021-12-18 15:28:57,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:28:57,084 INFO L225 Difference]: With dead ends: 12042 [2021-12-18 15:28:57,085 INFO L226 Difference]: Without dead ends: 12040 [2021-12-18 15:28:57,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:28:57,090 INFO L933 BasicCegarLoop]: 3622 mSDtfsCounter, 8150 mSDsluCounter, 4039 mSDsCounter, 0 mSdLazyCounter, 6231 mSolverCounterSat, 5470 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8507 SdHoareTripleChecker+Valid, 7661 SdHoareTripleChecker+Invalid, 11707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5470 IncrementalHoareTripleChecker+Valid, 6231 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:28:57,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8507 Valid, 7661 Invalid, 11707 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5470 Valid, 6231 Invalid, 6 Unknown, 0 Unchecked, 26.3s Time] [2021-12-18 15:28:57,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12040 states. [2021-12-18 15:28:57,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12040 to 11462. [2021-12-18 15:28:57,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11462 states, 7561 states have (on average 1.2540669223647665) internal successors, (9482), 7805 states have internal predecessors, (9482), 3169 states have call successors, (3169), 677 states have call predecessors, (3169), 709 states have return successors, (3389), 3127 states have call predecessors, (3389), 3167 states have call successors, (3389) [2021-12-18 15:28:57,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11462 states to 11462 states and 16040 transitions. [2021-12-18 15:28:57,555 INFO L78 Accepts]: Start accepts. Automaton has 11462 states and 16040 transitions. Word has length 137 [2021-12-18 15:28:57,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:28:57,555 INFO L470 AbstractCegarLoop]: Abstraction has 11462 states and 16040 transitions. [2021-12-18 15:28:57,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 15:28:57,556 INFO L276 IsEmpty]: Start isEmpty. Operand 11462 states and 16040 transitions. [2021-12-18 15:28:57,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-12-18 15:28:57,558 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:28:57,558 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:28:57,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 15:28:57,558 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:28:57,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:28:57,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1477505802, now seen corresponding path program 1 times [2021-12-18 15:28:57,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:28:57,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371780671] [2021-12-18 15:28:57,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:28:57,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:28:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:28:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:28:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:28:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:28:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:28:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:28:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:28:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:28:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:28:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:28:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:28:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:28:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:28:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:28:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:28:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:28:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 15:28:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:28:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 15:28:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 15:28:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 15:28:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 15:28:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 15:28:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:28:57,881 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:28:57,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:28:57,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371780671] [2021-12-18 15:28:57,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371780671] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:28:57,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:28:57,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:28:57,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483510262] [2021-12-18 15:28:57,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:28:57,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:28:57,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:28:57,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:28:57,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:28:57,883 INFO L87 Difference]: Start difference. First operand 11462 states and 16040 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 15:29:04,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:14,625 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:17,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:19,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:24,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:26,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:26,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:29:26,657 INFO L93 Difference]: Finished difference Result 12040 states and 17008 transitions. [2021-12-18 15:29:26,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:29:26,658 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2021-12-18 15:29:26,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:29:26,693 INFO L225 Difference]: With dead ends: 12040 [2021-12-18 15:29:26,693 INFO L226 Difference]: Without dead ends: 12038 [2021-12-18 15:29:26,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:29:26,701 INFO L933 BasicCegarLoop]: 3617 mSDtfsCounter, 8145 mSDsluCounter, 4035 mSDsCounter, 0 mSdLazyCounter, 6227 mSolverCounterSat, 5467 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8503 SdHoareTripleChecker+Valid, 7652 SdHoareTripleChecker+Invalid, 11700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5467 IncrementalHoareTripleChecker+Valid, 6227 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2021-12-18 15:29:26,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8503 Valid, 7652 Invalid, 11700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5467 Valid, 6227 Invalid, 6 Unknown, 0 Unchecked, 27.9s Time] [2021-12-18 15:29:26,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12038 states. [2021-12-18 15:29:27,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12038 to 11460. [2021-12-18 15:29:27,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11460 states, 7560 states have (on average 1.253968253968254) internal successors, (9480), 7803 states have internal predecessors, (9480), 3169 states have call successors, (3169), 677 states have call predecessors, (3169), 709 states have return successors, (3389), 3127 states have call predecessors, (3389), 3167 states have call successors, (3389) [2021-12-18 15:29:27,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11460 states to 11460 states and 16038 transitions. [2021-12-18 15:29:27,243 INFO L78 Accepts]: Start accepts. Automaton has 11460 states and 16038 transitions. Word has length 143 [2021-12-18 15:29:27,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:29:27,243 INFO L470 AbstractCegarLoop]: Abstraction has 11460 states and 16038 transitions. [2021-12-18 15:29:27,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 15:29:27,244 INFO L276 IsEmpty]: Start isEmpty. Operand 11460 states and 16038 transitions. [2021-12-18 15:29:27,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-12-18 15:29:27,245 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:29:27,245 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:29:27,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 15:29:27,245 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_lib_find_bit_find_next_bitErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:29:27,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:29:27,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1286464894, now seen corresponding path program 1 times [2021-12-18 15:29:27,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:29:27,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429824911] [2021-12-18 15:29:27,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:29:27,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:29:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:29:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:29:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:29:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:29:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:29:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:29:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 15:29:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 15:29:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 15:29:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:29:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:29:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:29:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:29:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:29:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:29:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:29:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:29:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:29:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:29:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:29:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 15:29:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 15:29:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:29:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 15:29:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:29:27,561 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-12-18 15:29:27,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:29:27,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429824911] [2021-12-18 15:29:27,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429824911] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:29:27,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:29:27,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:29:27,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025966870] [2021-12-18 15:29:27,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:29:27,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:29:27,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:29:27,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:29:27,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:29:27,564 INFO L87 Difference]: Start difference. First operand 11460 states and 16038 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 15:29:31,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:35,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:44,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:47,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:49,546 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:51,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:56,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:58,978 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:29:59,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:29:59,274 INFO L93 Difference]: Finished difference Result 23679 states and 33377 transitions. [2021-12-18 15:29:59,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 15:29:59,274 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 167 [2021-12-18 15:29:59,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:29:59,311 INFO L225 Difference]: With dead ends: 23679 [2021-12-18 15:29:59,311 INFO L226 Difference]: Without dead ends: 12260 [2021-12-18 15:29:59,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:29:59,346 INFO L933 BasicCegarLoop]: 3523 mSDtfsCounter, 5894 mSDsluCounter, 4664 mSDsCounter, 0 mSdLazyCounter, 7255 mSolverCounterSat, 5388 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5894 SdHoareTripleChecker+Valid, 8187 SdHoareTripleChecker+Invalid, 12649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5388 IncrementalHoareTripleChecker+Valid, 7255 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2021-12-18 15:29:59,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5894 Valid, 8187 Invalid, 12649 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5388 Valid, 7255 Invalid, 6 Unknown, 0 Unchecked, 30.9s Time] [2021-12-18 15:29:59,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12260 states. [2021-12-18 15:29:59,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12260 to 11486. [2021-12-18 15:29:59,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11486 states, 7560 states have (on average 1.252910052910053) internal successors, (9472), 7809 states have internal predecessors, (9472), 3191 states have call successors, (3191), 677 states have call predecessors, (3191), 713 states have return successors, (3421), 3149 states have call predecessors, (3421), 3189 states have call successors, (3421) [2021-12-18 15:29:59,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11486 states to 11486 states and 16084 transitions. [2021-12-18 15:29:59,908 INFO L78 Accepts]: Start accepts. Automaton has 11486 states and 16084 transitions. Word has length 167 [2021-12-18 15:29:59,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:29:59,908 INFO L470 AbstractCegarLoop]: Abstraction has 11486 states and 16084 transitions. [2021-12-18 15:29:59,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 15:29:59,909 INFO L276 IsEmpty]: Start isEmpty. Operand 11486 states and 16084 transitions. [2021-12-18 15:29:59,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-12-18 15:29:59,910 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:29:59,910 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:29:59,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 15:29:59,910 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:29:59,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:29:59,911 INFO L85 PathProgramCache]: Analyzing trace with hash 655759117, now seen corresponding path program 1 times [2021-12-18 15:29:59,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:29:59,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150193406] [2021-12-18 15:29:59,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:29:59,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:29:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:30:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:30:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:30:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:30:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:30:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:30:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:30:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:30:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:30:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:30:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:30:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:30:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:30:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:30:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:30:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:30:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 15:30:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:30:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 15:30:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 15:30:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 15:30:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 15:30:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 15:30:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 15:30:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:00,210 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:30:00,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:30:00,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150193406] [2021-12-18 15:30:00,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150193406] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:30:00,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:30:00,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:30:00,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657101171] [2021-12-18 15:30:00,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:30:00,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:30:00,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:30:00,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:30:00,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:30:00,214 INFO L87 Difference]: Start difference. First operand 11486 states and 16084 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 15:30:03,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:30:14,318 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:30:16,439 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:30:19,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-18 15:30:24,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:30:26,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:30:29,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:30:31,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:30:32,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:30:32,290 INFO L93 Difference]: Finished difference Result 12030 states and 16994 transitions. [2021-12-18 15:30:32,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:30:32,291 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 149 [2021-12-18 15:30:32,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:30:32,318 INFO L225 Difference]: With dead ends: 12030 [2021-12-18 15:30:32,318 INFO L226 Difference]: Without dead ends: 12028 [2021-12-18 15:30:32,321 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:30:32,322 INFO L933 BasicCegarLoop]: 3602 mSDtfsCounter, 8089 mSDsluCounter, 4035 mSDsCounter, 0 mSdLazyCounter, 6207 mSolverCounterSat, 5454 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8445 SdHoareTripleChecker+Valid, 7637 SdHoareTripleChecker+Invalid, 11669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 6207 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:30:32,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8445 Valid, 7637 Invalid, 11669 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 6207 Invalid, 8 Unknown, 0 Unchecked, 31.2s Time] [2021-12-18 15:30:32,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12028 states. [2021-12-18 15:30:32,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12028 to 11484. [2021-12-18 15:30:32,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11484 states, 7559 states have (on average 1.2528112184151343) internal successors, (9470), 7807 states have internal predecessors, (9470), 3191 states have call successors, (3191), 677 states have call predecessors, (3191), 713 states have return successors, (3421), 3149 states have call predecessors, (3421), 3189 states have call successors, (3421) [2021-12-18 15:30:32,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11484 states to 11484 states and 16082 transitions. [2021-12-18 15:30:32,863 INFO L78 Accepts]: Start accepts. Automaton has 11484 states and 16082 transitions. Word has length 149 [2021-12-18 15:30:32,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:30:32,863 INFO L470 AbstractCegarLoop]: Abstraction has 11484 states and 16082 transitions. [2021-12-18 15:30:32,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 15:30:32,863 INFO L276 IsEmpty]: Start isEmpty. Operand 11484 states and 16082 transitions. [2021-12-18 15:30:32,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-12-18 15:30:32,865 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:30:32,866 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:30:32,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 15:30:32,866 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:30:32,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:30:32,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1094524991, now seen corresponding path program 1 times [2021-12-18 15:30:32,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:30:32,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444824556] [2021-12-18 15:30:32,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:30:32,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:30:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:32,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:30:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:32,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:30:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:32,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:30:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:32,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:30:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:32,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:30:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:30:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:30:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:30:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:30:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:30:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:30:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:30:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:30:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:30:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:30:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:30:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 15:30:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:30:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 15:30:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 15:30:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 15:30:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 15:30:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 15:30:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 15:30:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-18 15:30:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:30:33,107 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:30:33,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:30:33,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444824556] [2021-12-18 15:30:33,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444824556] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:30:33,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:30:33,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:30:33,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492099964] [2021-12-18 15:30:33,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:30:33,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:30:33,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:30:33,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:30:33,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:30:33,110 INFO L87 Difference]: Start difference. First operand 11484 states and 16082 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 15:30:36,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 15:30:38,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 15:30:44,262 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:30:53,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:30:55,918 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:30:59,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:31:01,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:31:06,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:31:08,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:31:09,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:31:09,326 INFO L93 Difference]: Finished difference Result 12028 states and 16992 transitions. [2021-12-18 15:31:09,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:31:09,326 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 155 [2021-12-18 15:31:09,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:31:09,354 INFO L225 Difference]: With dead ends: 12028 [2021-12-18 15:31:09,354 INFO L226 Difference]: Without dead ends: 12026 [2021-12-18 15:31:09,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:31:09,359 INFO L933 BasicCegarLoop]: 3599 mSDtfsCounter, 8078 mSDsluCounter, 4031 mSDsCounter, 0 mSdLazyCounter, 6206 mSolverCounterSat, 5448 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8435 SdHoareTripleChecker+Valid, 7630 SdHoareTripleChecker+Invalid, 11663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5448 IncrementalHoareTripleChecker+Valid, 6206 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:31:09,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8435 Valid, 7630 Invalid, 11663 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5448 Valid, 6206 Invalid, 9 Unknown, 0 Unchecked, 35.4s Time] [2021-12-18 15:31:09,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12026 states. [2021-12-18 15:31:09,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12026 to 11482. [2021-12-18 15:31:09,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11482 states, 7558 states have (on average 1.2527123577666048) internal successors, (9468), 7805 states have internal predecessors, (9468), 3191 states have call successors, (3191), 677 states have call predecessors, (3191), 713 states have return successors, (3421), 3149 states have call predecessors, (3421), 3189 states have call successors, (3421) [2021-12-18 15:31:09,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11482 states to 11482 states and 16080 transitions. [2021-12-18 15:31:09,938 INFO L78 Accepts]: Start accepts. Automaton has 11482 states and 16080 transitions. Word has length 155 [2021-12-18 15:31:09,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:31:09,938 INFO L470 AbstractCegarLoop]: Abstraction has 11482 states and 16080 transitions. [2021-12-18 15:31:09,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 15:31:09,939 INFO L276 IsEmpty]: Start isEmpty. Operand 11482 states and 16080 transitions. [2021-12-18 15:31:09,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-12-18 15:31:09,941 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:31:09,941 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:31:09,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 15:31:09,942 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:31:09,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:31:09,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1870423443, now seen corresponding path program 1 times [2021-12-18 15:31:09,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:31:09,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517559864] [2021-12-18 15:31:09,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:31:09,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:31:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:31:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:31:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:31:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:31:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:31:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:31:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:31:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:31:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:31:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:31:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:31:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:31:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:31:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:31:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:31:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 15:31:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:31:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 15:31:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 15:31:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 15:31:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 15:31:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 15:31:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 15:31:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-18 15:31:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 15:31:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:10,266 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:31:10,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:31:10,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517559864] [2021-12-18 15:31:10,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517559864] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:31:10,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:31:10,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:31:10,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069158964] [2021-12-18 15:31:10,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:31:10,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:31:10,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:31:10,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:31:10,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:31:10,268 INFO L87 Difference]: Start difference. First operand 11482 states and 16080 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-18 15:31:16,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:31:26,968 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:31:30,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:31:32,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:31:37,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:31:39,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:31:40,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:31:40,082 INFO L93 Difference]: Finished difference Result 12026 states and 16990 transitions. [2021-12-18 15:31:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:31:40,083 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 161 [2021-12-18 15:31:40,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:31:40,149 INFO L225 Difference]: With dead ends: 12026 [2021-12-18 15:31:40,149 INFO L226 Difference]: Without dead ends: 12024 [2021-12-18 15:31:40,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:31:40,172 INFO L933 BasicCegarLoop]: 3597 mSDtfsCounter, 8073 mSDsluCounter, 4033 mSDsCounter, 0 mSdLazyCounter, 6202 mSolverCounterSat, 5454 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8428 SdHoareTripleChecker+Valid, 7630 SdHoareTripleChecker+Invalid, 11662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 6202 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:31:40,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8428 Valid, 7630 Invalid, 11662 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 6202 Invalid, 6 Unknown, 0 Unchecked, 28.8s Time] [2021-12-18 15:31:40,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12024 states. [2021-12-18 15:31:40,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12024 to 11480. [2021-12-18 15:31:40,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11480 states, 7557 states have (on average 1.2526134709540824) internal successors, (9466), 7803 states have internal predecessors, (9466), 3191 states have call successors, (3191), 677 states have call predecessors, (3191), 713 states have return successors, (3421), 3149 states have call predecessors, (3421), 3189 states have call successors, (3421) [2021-12-18 15:31:40,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11480 states to 11480 states and 16078 transitions. [2021-12-18 15:31:40,779 INFO L78 Accepts]: Start accepts. Automaton has 11480 states and 16078 transitions. Word has length 161 [2021-12-18 15:31:40,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:31:40,781 INFO L470 AbstractCegarLoop]: Abstraction has 11480 states and 16078 transitions. [2021-12-18 15:31:40,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-18 15:31:40,781 INFO L276 IsEmpty]: Start isEmpty. Operand 11480 states and 16078 transitions. [2021-12-18 15:31:40,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-12-18 15:31:40,783 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:31:40,783 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:31:40,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 15:31:40,783 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:31:40,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:31:40,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1451791244, now seen corresponding path program 1 times [2021-12-18 15:31:40,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:31:40,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151384536] [2021-12-18 15:31:40,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:31:40,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:31:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:40,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:31:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:40,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:31:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:40,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:31:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:40,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:31:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:40,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:31:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:40,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:31:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:40,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:31:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:40,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:31:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:40,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:31:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:40,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:31:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:40,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:31:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:40,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:31:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:40,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:31:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:40,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:31:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:41,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:31:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:31:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:41,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 15:31:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:41,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:31:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:41,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 15:31:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:41,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 15:31:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:41,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 15:31:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:41,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 15:31:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:41,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 15:31:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:41,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 15:31:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:41,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-18 15:31:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:41,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 15:31:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:41,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 15:31:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:31:41,084 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:31:41,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:31:41,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151384536] [2021-12-18 15:31:41,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151384536] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:31:41,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:31:41,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:31:41,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666245465] [2021-12-18 15:31:41,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:31:41,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:31:41,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:31:41,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:31:41,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:31:41,087 INFO L87 Difference]: Start difference. First operand 11480 states and 16078 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 15:31:44,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 15:31:46,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 15:31:51,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:01,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:05,375 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:07,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:12,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:13,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:14,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:32:14,278 INFO L93 Difference]: Finished difference Result 12024 states and 16988 transitions. [2021-12-18 15:32:14,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:32:14,278 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 167 [2021-12-18 15:32:14,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:32:14,309 INFO L225 Difference]: With dead ends: 12024 [2021-12-18 15:32:14,309 INFO L226 Difference]: Without dead ends: 12022 [2021-12-18 15:32:14,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:32:14,315 INFO L933 BasicCegarLoop]: 3597 mSDtfsCounter, 8062 mSDsluCounter, 4035 mSDsCounter, 0 mSdLazyCounter, 6208 mSolverCounterSat, 5448 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8415 SdHoareTripleChecker+Valid, 7632 SdHoareTripleChecker+Invalid, 11663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5448 IncrementalHoareTripleChecker+Valid, 6208 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:32:14,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8415 Valid, 7632 Invalid, 11663 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5448 Valid, 6208 Invalid, 7 Unknown, 0 Unchecked, 32.3s Time] [2021-12-18 15:32:14,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12022 states. [2021-12-18 15:32:14,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12022 to 11478. [2021-12-18 15:32:14,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11478 states, 7556 states have (on average 1.2525145579671784) internal successors, (9464), 7801 states have internal predecessors, (9464), 3191 states have call successors, (3191), 677 states have call predecessors, (3191), 713 states have return successors, (3421), 3149 states have call predecessors, (3421), 3189 states have call successors, (3421) [2021-12-18 15:32:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11478 states to 11478 states and 16076 transitions. [2021-12-18 15:32:14,918 INFO L78 Accepts]: Start accepts. Automaton has 11478 states and 16076 transitions. Word has length 167 [2021-12-18 15:32:14,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:32:14,919 INFO L470 AbstractCegarLoop]: Abstraction has 11478 states and 16076 transitions. [2021-12-18 15:32:14,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 15:32:14,919 INFO L276 IsEmpty]: Start isEmpty. Operand 11478 states and 16076 transitions. [2021-12-18 15:32:14,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-12-18 15:32:14,921 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:32:14,921 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:32:14,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-18 15:32:14,922 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:32:14,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:32:14,922 INFO L85 PathProgramCache]: Analyzing trace with hash -907678016, now seen corresponding path program 1 times [2021-12-18 15:32:14,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:32:14,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705615356] [2021-12-18 15:32:14,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:32:14,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:32:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:32:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:32:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:32:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:32:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:32:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:32:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:32:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:32:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:32:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:32:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:32:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:32:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:32:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:32:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:32:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 15:32:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:32:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 15:32:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 15:32:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 15:32:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 15:32:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 15:32:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 15:32:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-18 15:32:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 15:32:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 15:32:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 15:32:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:15,187 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:32:15,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:32:15,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705615356] [2021-12-18 15:32:15,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705615356] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:32:15,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:32:15,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:32:15,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050671260] [2021-12-18 15:32:15,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:32:15,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:32:15,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:32:15,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:32:15,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:32:15,190 INFO L87 Difference]: Start difference. First operand 11478 states and 16076 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 15:32:19,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:31,100 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:35,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:37,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:41,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:43,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:32:43,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:32:43,570 INFO L93 Difference]: Finished difference Result 12022 states and 16986 transitions. [2021-12-18 15:32:43,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:32:43,571 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 173 [2021-12-18 15:32:43,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:32:43,600 INFO L225 Difference]: With dead ends: 12022 [2021-12-18 15:32:43,600 INFO L226 Difference]: Without dead ends: 12020 [2021-12-18 15:32:43,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:32:43,604 INFO L933 BasicCegarLoop]: 3593 mSDtfsCounter, 8057 mSDsluCounter, 4033 mSDsCounter, 0 mSdLazyCounter, 6201 mSolverCounterSat, 5451 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8410 SdHoareTripleChecker+Valid, 7626 SdHoareTripleChecker+Invalid, 11658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5451 IncrementalHoareTripleChecker+Valid, 6201 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:32:43,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8410 Valid, 7626 Invalid, 11658 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5451 Valid, 6201 Invalid, 6 Unknown, 0 Unchecked, 27.4s Time] [2021-12-18 15:32:43,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12020 states. [2021-12-18 15:32:44,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12020 to 11476. [2021-12-18 15:32:44,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11476 states, 7555 states have (on average 1.2524156187954996) internal successors, (9462), 7799 states have internal predecessors, (9462), 3191 states have call successors, (3191), 677 states have call predecessors, (3191), 713 states have return successors, (3421), 3149 states have call predecessors, (3421), 3189 states have call successors, (3421) [2021-12-18 15:32:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11476 states to 11476 states and 16074 transitions. [2021-12-18 15:32:44,183 INFO L78 Accepts]: Start accepts. Automaton has 11476 states and 16074 transitions. Word has length 173 [2021-12-18 15:32:44,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:32:44,183 INFO L470 AbstractCegarLoop]: Abstraction has 11476 states and 16074 transitions. [2021-12-18 15:32:44,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 15:32:44,183 INFO L276 IsEmpty]: Start isEmpty. Operand 11476 states and 16074 transitions. [2021-12-18 15:32:44,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-18 15:32:44,185 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:32:44,185 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:32:44,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-18 15:32:44,186 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:32:44,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:32:44,186 INFO L85 PathProgramCache]: Analyzing trace with hash 937909289, now seen corresponding path program 1 times [2021-12-18 15:32:44,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:32:44,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458253829] [2021-12-18 15:32:44,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:32:44,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:32:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:32:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:32:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:32:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:32:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:32:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:32:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 15:32:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 15:32:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 15:32:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:32:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:32:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:32:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:32:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:32:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:32:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:32:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:32:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:32:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:32:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:32:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 15:32:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 15:32:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:32:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 15:32:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 15:32:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:32:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:32:44,551 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-12-18 15:32:44,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:32:44,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458253829] [2021-12-18 15:32:44,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458253829] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:32:44,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:32:44,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 15:32:44,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342184712] [2021-12-18 15:32:44,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:32:44,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 15:32:44,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:32:44,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 15:32:44,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:32:44,554 INFO L87 Difference]: Start difference. First operand 11476 states and 16074 transitions. Second operand has 10 states, 10 states have (on average 9.3) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 15:32:53,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:07,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:10,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:14,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:16,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:18,313 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:20,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:22,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:29,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:31,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:33,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:35,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:37,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:37,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:33:37,881 INFO L93 Difference]: Finished difference Result 23685 states and 33643 transitions. [2021-12-18 15:33:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-18 15:33:37,882 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 196 [2021-12-18 15:33:37,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:33:37,916 INFO L225 Difference]: With dead ends: 23685 [2021-12-18 15:33:37,916 INFO L226 Difference]: Without dead ends: 12250 [2021-12-18 15:33:37,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2021-12-18 15:33:37,955 INFO L933 BasicCegarLoop]: 3591 mSDtfsCounter, 9061 mSDsluCounter, 7508 mSDsCounter, 0 mSdLazyCounter, 14129 mSolverCounterSat, 6873 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9436 SdHoareTripleChecker+Valid, 11099 SdHoareTripleChecker+Invalid, 21015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6873 IncrementalHoareTripleChecker+Valid, 14129 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:33:37,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9436 Valid, 11099 Invalid, 21015 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6873 Valid, 14129 Invalid, 13 Unknown, 0 Unchecked, 52.0s Time] [2021-12-18 15:33:37,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12250 states. [2021-12-18 15:33:38,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12250 to 11476. [2021-12-18 15:33:38,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11476 states, 7555 states have (on average 1.2518861681005957) internal successors, (9458), 7799 states have internal predecessors, (9458), 3191 states have call successors, (3191), 677 states have call predecessors, (3191), 713 states have return successors, (3421), 3149 states have call predecessors, (3421), 3189 states have call successors, (3421) [2021-12-18 15:33:38,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11476 states to 11476 states and 16070 transitions. [2021-12-18 15:33:38,605 INFO L78 Accepts]: Start accepts. Automaton has 11476 states and 16070 transitions. Word has length 196 [2021-12-18 15:33:38,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:33:38,606 INFO L470 AbstractCegarLoop]: Abstraction has 11476 states and 16070 transitions. [2021-12-18 15:33:38,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 15:33:38,606 INFO L276 IsEmpty]: Start isEmpty. Operand 11476 states and 16070 transitions. [2021-12-18 15:33:38,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-18 15:33:38,607 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:33:38,608 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:33:38,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-18 15:33:38,608 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:33:38,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:33:38,608 INFO L85 PathProgramCache]: Analyzing trace with hash 937968871, now seen corresponding path program 1 times [2021-12-18 15:33:38,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:33:38,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866570293] [2021-12-18 15:33:38,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:33:38,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:33:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:33:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:33:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:33:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:33:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:33:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:33:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 15:33:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 15:33:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 15:33:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:33:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:33:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:33:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:33:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:33:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:33:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:33:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:33:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:33:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:33:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:33:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 15:33:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 15:33:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:33:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 15:33:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 15:33:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:33:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:33:38,915 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-12-18 15:33:38,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:33:38,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866570293] [2021-12-18 15:33:38,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866570293] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:33:38,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:33:38,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 15:33:38,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996107365] [2021-12-18 15:33:38,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:33:38,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 15:33:38,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:33:38,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 15:33:38,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:33:38,917 INFO L87 Difference]: Start difference. First operand 11476 states and 16070 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2021-12-18 15:33:43,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:33:58,353 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:00,491 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:04,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:06,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:08,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:10,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:15,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:17,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:17,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:34:17,866 INFO L93 Difference]: Finished difference Result 12250 states and 17376 transitions. [2021-12-18 15:34:17,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:34:17,868 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 196 [2021-12-18 15:34:17,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:34:17,892 INFO L225 Difference]: With dead ends: 12250 [2021-12-18 15:34:17,892 INFO L226 Difference]: Without dead ends: 12248 [2021-12-18 15:34:17,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-12-18 15:34:17,896 INFO L933 BasicCegarLoop]: 3503 mSDtfsCounter, 5881 mSDsluCounter, 6558 mSDsCounter, 0 mSdLazyCounter, 9572 mSolverCounterSat, 5385 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5881 SdHoareTripleChecker+Valid, 10061 SdHoareTripleChecker+Invalid, 14965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5385 IncrementalHoareTripleChecker+Valid, 9572 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:34:17,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5881 Valid, 10061 Invalid, 14965 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5385 Valid, 9572 Invalid, 8 Unknown, 0 Unchecked, 38.0s Time] [2021-12-18 15:34:17,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12248 states. [2021-12-18 15:34:18,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12248 to 11474. [2021-12-18 15:34:18,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11474 states, 7554 states have (on average 1.2513899920571883) internal successors, (9453), 7797 states have internal predecessors, (9453), 3191 states have call successors, (3191), 677 states have call predecessors, (3191), 713 states have return successors, (3421), 3149 states have call predecessors, (3421), 3189 states have call successors, (3421) [2021-12-18 15:34:18,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11474 states to 11474 states and 16065 transitions. [2021-12-18 15:34:18,460 INFO L78 Accepts]: Start accepts. Automaton has 11474 states and 16065 transitions. Word has length 196 [2021-12-18 15:34:18,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:34:18,461 INFO L470 AbstractCegarLoop]: Abstraction has 11474 states and 16065 transitions. [2021-12-18 15:34:18,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2021-12-18 15:34:18,461 INFO L276 IsEmpty]: Start isEmpty. Operand 11474 states and 16065 transitions. [2021-12-18 15:34:18,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-12-18 15:34:18,484 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:34:18,484 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:34:18,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-18 15:34:18,485 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:34:18,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:34:18,485 INFO L85 PathProgramCache]: Analyzing trace with hash 62462803, now seen corresponding path program 1 times [2021-12-18 15:34:18,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:34:18,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239076882] [2021-12-18 15:34:18,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:34:18,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:34:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:34:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:34:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:34:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:34:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:34:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:34:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:34:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:34:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:34:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:34:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:34:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:34:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:34:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:34:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:34:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:34:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 15:34:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:34:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 15:34:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 15:34:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 15:34:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 15:34:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 15:34:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 15:34:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-18 15:34:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 15:34:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 15:34:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 15:34:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 15:34:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:18,781 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:34:18,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:34:18,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239076882] [2021-12-18 15:34:18,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239076882] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:34:18,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:34:18,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:34:18,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310786983] [2021-12-18 15:34:18,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:34:18,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:34:18,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:34:18,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:34:18,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:34:18,783 INFO L87 Difference]: Start difference. First operand 11474 states and 16065 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 15:34:22,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 15:34:27,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:37,751 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:41,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:43,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:47,995 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:50,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:34:50,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:34:50,379 INFO L93 Difference]: Finished difference Result 12018 states and 16975 transitions. [2021-12-18 15:34:50,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:34:50,380 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 179 [2021-12-18 15:34:50,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:34:50,409 INFO L225 Difference]: With dead ends: 12018 [2021-12-18 15:34:50,409 INFO L226 Difference]: Without dead ends: 12016 [2021-12-18 15:34:50,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:34:50,416 INFO L933 BasicCegarLoop]: 3590 mSDtfsCounter, 8034 mSDsluCounter, 4035 mSDsCounter, 0 mSdLazyCounter, 6198 mSolverCounterSat, 5451 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8385 SdHoareTripleChecker+Valid, 7625 SdHoareTripleChecker+Invalid, 11656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5451 IncrementalHoareTripleChecker+Valid, 6198 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:34:50,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8385 Valid, 7625 Invalid, 11656 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5451 Valid, 6198 Invalid, 7 Unknown, 0 Unchecked, 30.6s Time] [2021-12-18 15:34:50,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12016 states. [2021-12-18 15:34:50,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12016 to 11472. [2021-12-18 15:34:50,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11472 states, 7553 states have (on average 1.2512908777969018) internal successors, (9451), 7795 states have internal predecessors, (9451), 3191 states have call successors, (3191), 677 states have call predecessors, (3191), 713 states have return successors, (3421), 3149 states have call predecessors, (3421), 3189 states have call successors, (3421) [2021-12-18 15:34:51,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11472 states to 11472 states and 16063 transitions. [2021-12-18 15:34:51,017 INFO L78 Accepts]: Start accepts. Automaton has 11472 states and 16063 transitions. Word has length 179 [2021-12-18 15:34:51,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:34:51,018 INFO L470 AbstractCegarLoop]: Abstraction has 11472 states and 16063 transitions. [2021-12-18 15:34:51,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 15:34:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 11472 states and 16063 transitions. [2021-12-18 15:34:51,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-18 15:34:51,020 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:34:51,020 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:34:51,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-18 15:34:51,020 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:34:51,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:34:51,021 INFO L85 PathProgramCache]: Analyzing trace with hash -629234067, now seen corresponding path program 1 times [2021-12-18 15:34:51,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:34:51,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98780122] [2021-12-18 15:34:51,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:34:51,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:34:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:34:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:34:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:34:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:34:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:34:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:34:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:34:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:34:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 15:34:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 15:34:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 15:34:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:34:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:34:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:34:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:34:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 15:34:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:34:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:34:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:34:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:34:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:34:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:34:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:34:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:34:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 15:34:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 15:34:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:34:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 15:34:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 15:34:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 15:34:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:34:51,347 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-12-18 15:34:51,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:34:51,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98780122] [2021-12-18 15:34:51,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98780122] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:34:51,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:34:51,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:34:51,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646369193] [2021-12-18 15:34:51,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:34:51,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:34:51,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:34:51,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:34:51,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:34:51,349 INFO L87 Difference]: Start difference. First operand 11472 states and 16063 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 15:34:55,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:07,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:12,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:14,501 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:18,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:20,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:21,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:35:21,136 INFO L93 Difference]: Finished difference Result 23667 states and 33608 transitions. [2021-12-18 15:35:21,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 15:35:21,136 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 200 [2021-12-18 15:35:21,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:35:21,179 INFO L225 Difference]: With dead ends: 23667 [2021-12-18 15:35:21,179 INFO L226 Difference]: Without dead ends: 12236 [2021-12-18 15:35:21,218 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2021-12-18 15:35:21,219 INFO L933 BasicCegarLoop]: 3584 mSDtfsCounter, 9005 mSDsluCounter, 2879 mSDsCounter, 0 mSdLazyCounter, 5480 mSolverCounterSat, 6876 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9379 SdHoareTripleChecker+Valid, 6463 SdHoareTripleChecker+Invalid, 12362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6876 IncrementalHoareTripleChecker+Valid, 5480 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2021-12-18 15:35:21,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9379 Valid, 6463 Invalid, 12362 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6876 Valid, 5480 Invalid, 6 Unknown, 0 Unchecked, 28.6s Time] [2021-12-18 15:35:21,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12236 states. [2021-12-18 15:35:21,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12236 to 11462. [2021-12-18 15:35:21,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11462 states, 7544 states have (on average 1.2505302226935313) internal successors, (9434), 7785 states have internal predecessors, (9434), 3191 states have call successors, (3191), 677 states have call predecessors, (3191), 713 states have return successors, (3421), 3149 states have call predecessors, (3421), 3189 states have call successors, (3421) [2021-12-18 15:35:21,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11462 states to 11462 states and 16046 transitions. [2021-12-18 15:35:21,888 INFO L78 Accepts]: Start accepts. Automaton has 11462 states and 16046 transitions. Word has length 200 [2021-12-18 15:35:21,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:35:21,888 INFO L470 AbstractCegarLoop]: Abstraction has 11462 states and 16046 transitions. [2021-12-18 15:35:21,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 15:35:21,889 INFO L276 IsEmpty]: Start isEmpty. Operand 11462 states and 16046 transitions. [2021-12-18 15:35:21,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-12-18 15:35:21,890 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:35:21,891 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:35:21,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-18 15:35:21,891 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-12-18 15:35:21,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:35:21,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1570083452, now seen corresponding path program 1 times [2021-12-18 15:35:21,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:35:21,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30890271] [2021-12-18 15:35:21,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:35:21,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:35:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:35:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 15:35:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 15:35:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 15:35:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 15:35:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 15:35:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:35:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 15:35:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:35:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 15:35:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:35:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:35:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 15:35:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 15:35:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:35:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:35:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 15:35:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 15:35:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 15:35:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 15:35:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 15:35:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 15:35:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 15:35:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 15:35:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-18 15:35:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 15:35:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 15:35:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 15:35:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 15:35:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-18 15:35:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:35:22,236 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 15:35:22,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:35:22,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30890271] [2021-12-18 15:35:22,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30890271] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:35:22,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:35:22,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:35:22,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61802121] [2021-12-18 15:35:22,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:35:22,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:35:22,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:35:22,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:35:22,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:35:22,238 INFO L87 Difference]: Start difference. First operand 11462 states and 16046 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 15:35:25,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:29,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 15:35:40,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:44,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:47,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:35:50,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15