./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--misc--mic--host--mic_host.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--misc--mic--host--mic_host.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 a9066a0fe8912811a59364de400d7180acd98dc78c095e3d6b0047f461c6ea69 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 15:42:20,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 15:42:20,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 15:42:20,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 15:42:20,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 15:42:20,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 15:42:20,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 15:42:20,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 15:42:20,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 15:42:20,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 15:42:20,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 15:42:20,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 15:42:20,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 15:42:20,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 15:42:20,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 15:42:20,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 15:42:20,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 15:42:20,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 15:42:20,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 15:42:20,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 15:42:20,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 15:42:20,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 15:42:20,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 15:42:20,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 15:42:20,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 15:42:20,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 15:42:20,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 15:42:20,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 15:42:20,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 15:42:20,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 15:42:20,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 15:42:20,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 15:42:20,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 15:42:20,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 15:42:20,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 15:42:20,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 15:42:20,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 15:42:20,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 15:42:20,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 15:42:20,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 15:42:20,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 15:42:20,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 15:42:20,300 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 15:42:20,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 15:42:20,303 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 15:42:20,303 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 15:42:20,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 15:42:20,304 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 15:42:20,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 15:42:20,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 15:42:20,305 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 15:42:20,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 15:42:20,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 15:42:20,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 15:42:20,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 15:42:20,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 15:42:20,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 15:42:20,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 15:42:20,307 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 15:42:20,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 15:42:20,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 15:42:20,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 15:42:20,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 15:42:20,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 15:42:20,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 15:42:20,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 15:42:20,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 15:42:20,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 15:42:20,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 15:42:20,308 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 15:42:20,308 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 15:42:20,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 15:42:20,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 15:42:20,309 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9066a0fe8912811a59364de400d7180acd98dc78c095e3d6b0047f461c6ea69 [2021-12-18 15:42:20,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 15:42:20,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 15:42:20,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 15:42:20,537 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 15:42:20,538 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 15:42:20,539 INFO L432 ainManager$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--misc--mic--host--mic_host.ko.cil.i [2021-12-18 15:42:20,591 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11441206a/1689b6018f984d55bf378cc5f65735e0/FLAGb295bc3fa [2021-12-18 15:42:21,372 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 15:42:21,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i [2021-12-18 15:42:21,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11441206a/1689b6018f984d55bf378cc5f65735e0/FLAGb295bc3fa [2021-12-18 15:42:21,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11441206a/1689b6018f984d55bf378cc5f65735e0 [2021-12-18 15:42:21,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 15:42:21,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 15:42:21,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 15:42:21,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 15:42:21,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 15:42:21,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:42:21" (1/1) ... [2021-12-18 15:42:21,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c978cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:42:21, skipping insertion in model container [2021-12-18 15:42:21,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:42:21" (1/1) ... [2021-12-18 15:42:21,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 15:42:22,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 15:42:26,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659224,659237] [2021-12-18 15:42:26,867 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--misc--mic--host--mic_host.ko.cil.i[659369,659382] [2021-12-18 15:42:26,869 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--misc--mic--host--mic_host.ko.cil.i[659515,659528] [2021-12-18 15:42:26,870 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--misc--mic--host--mic_host.ko.cil.i[659680,659693] [2021-12-18 15:42:26,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659838,659851] [2021-12-18 15:42:26,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659996,660009] [2021-12-18 15:42:26,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660154,660167] [2021-12-18 15:42:26,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660314,660327] [2021-12-18 15:42:26,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660473,660486] [2021-12-18 15:42:26,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660612,660625] [2021-12-18 15:42:26,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660754,660767] [2021-12-18 15:42:26,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660903,660916] [2021-12-18 15:42:26,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661042,661055] [2021-12-18 15:42:26,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661197,661210] [2021-12-18 15:42:26,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661357,661370] [2021-12-18 15:42:26,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661508,661521] [2021-12-18 15:42:26,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661659,661672] [2021-12-18 15:42:26,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661811,661824] [2021-12-18 15:42:26,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661960,661973] [2021-12-18 15:42:26,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662108,662121] [2021-12-18 15:42:26,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662265,662278] [2021-12-18 15:42:26,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662414,662427] [2021-12-18 15:42:26,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662570,662583] [2021-12-18 15:42:26,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662723,662736] [2021-12-18 15:42:26,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[662869,662882] [2021-12-18 15:42:26,890 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663012,663025] [2021-12-18 15:42:26,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663164,663177] [2021-12-18 15:42:26,894 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663310,663323] [2021-12-18 15:42:26,895 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663455,663468] [2021-12-18 15:42:26,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663609,663622] [2021-12-18 15:42:26,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663760,663773] [2021-12-18 15:42:26,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[663915,663928] [2021-12-18 15:42:26,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664067,664080] [2021-12-18 15:42:26,898 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664222,664235] [2021-12-18 15:42:26,898 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664386,664399] [2021-12-18 15:42:26,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664542,664555] [2021-12-18 15:42:26,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664706,664719] [2021-12-18 15:42:26,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[664848,664861] [2021-12-18 15:42:26,900 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665006,665019] [2021-12-18 15:42:26,900 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665173,665186] [2021-12-18 15:42:26,901 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665332,665345] [2021-12-18 15:42:26,901 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665491,665504] [2021-12-18 15:42:26,901 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665640,665653] [2021-12-18 15:42:26,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665787,665800] [2021-12-18 15:42:26,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665926,665939] [2021-12-18 15:42:26,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666089,666102] [2021-12-18 15:42:26,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666255,666268] [2021-12-18 15:42:26,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666419,666432] [2021-12-18 15:42:26,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666584,666597] [2021-12-18 15:42:26,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666749,666762] [2021-12-18 15:42:26,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666915,666928] [2021-12-18 15:42:26,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667080,667093] [2021-12-18 15:42:26,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667247,667260] [2021-12-18 15:42:26,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667407,667420] [2021-12-18 15:42:26,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667569,667582] [2021-12-18 15:42:26,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667728,667741] [2021-12-18 15:42:26,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667874,667887] [2021-12-18 15:42:26,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668017,668030] [2021-12-18 15:42:26,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668161,668174] [2021-12-18 15:42:26,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668304,668317] [2021-12-18 15:42:26,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668448,668461] [2021-12-18 15:42:26,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668589,668602] [2021-12-18 15:42:26,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668727,668740] [2021-12-18 15:42:26,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668885,668898] [2021-12-18 15:42:26,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669044,669057] [2021-12-18 15:42:26,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669200,669213] [2021-12-18 15:42:26,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669349,669362] [2021-12-18 15:42:26,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669501,669514] [2021-12-18 15:42:26,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669652,669665] [2021-12-18 15:42:26,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669801,669814] [2021-12-18 15:42:26,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669953,669966] [2021-12-18 15:42:26,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670101,670114] [2021-12-18 15:42:26,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670254,670267] [2021-12-18 15:42:26,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670405,670418] [2021-12-18 15:42:26,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670555,670568] [2021-12-18 15:42:26,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670702,670715] [2021-12-18 15:42:26,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670853,670866] [2021-12-18 15:42:26,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671004,671017] [2021-12-18 15:42:26,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671152,671165] [2021-12-18 15:42:26,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671318,671331] [2021-12-18 15:42:26,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671487,671500] [2021-12-18 15:42:26,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671654,671667] [2021-12-18 15:42:26,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671822,671835] [2021-12-18 15:42:26,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671972,671985] [2021-12-18 15:42:26,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672119,672132] [2021-12-18 15:42:26,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672280,672293] [2021-12-18 15:42:26,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672450,672463] [2021-12-18 15:42:26,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672612,672625] [2021-12-18 15:42:26,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 15:42:26,969 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 15:42:27,408 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--misc--mic--host--mic_host.ko.cil.i[659224,659237] [2021-12-18 15:42:27,409 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--misc--mic--host--mic_host.ko.cil.i[659369,659382] [2021-12-18 15:42:27,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659515,659528] [2021-12-18 15:42:27,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659680,659693] [2021-12-18 15:42:27,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659838,659851] [2021-12-18 15:42:27,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[659996,660009] [2021-12-18 15:42:27,412 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--misc--mic--host--mic_host.ko.cil.i[660154,660167] [2021-12-18 15:42:27,412 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--misc--mic--host--mic_host.ko.cil.i[660314,660327] [2021-12-18 15:42:27,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660473,660486] [2021-12-18 15:42:27,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660612,660625] [2021-12-18 15:42:27,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660754,660767] [2021-12-18 15:42:27,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[660903,660916] [2021-12-18 15:42:27,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661042,661055] [2021-12-18 15:42:27,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[661197,661210] [2021-12-18 15:42:27,415 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--misc--mic--host--mic_host.ko.cil.i[661357,661370] [2021-12-18 15:42:27,415 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--misc--mic--host--mic_host.ko.cil.i[661508,661521] [2021-12-18 15:42:27,415 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--misc--mic--host--mic_host.ko.cil.i[661659,661672] [2021-12-18 15:42:27,415 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--misc--mic--host--mic_host.ko.cil.i[661811,661824] [2021-12-18 15:42:27,416 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--misc--mic--host--mic_host.ko.cil.i[661960,661973] [2021-12-18 15:42:27,416 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--misc--mic--host--mic_host.ko.cil.i[662108,662121] [2021-12-18 15:42:27,416 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--misc--mic--host--mic_host.ko.cil.i[662265,662278] [2021-12-18 15:42:27,417 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--misc--mic--host--mic_host.ko.cil.i[662414,662427] [2021-12-18 15:42:27,417 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--misc--mic--host--mic_host.ko.cil.i[662570,662583] [2021-12-18 15:42:27,418 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--misc--mic--host--mic_host.ko.cil.i[662723,662736] [2021-12-18 15:42:27,418 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--misc--mic--host--mic_host.ko.cil.i[662869,662882] [2021-12-18 15:42:27,418 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--misc--mic--host--mic_host.ko.cil.i[663012,663025] [2021-12-18 15:42:27,419 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--misc--mic--host--mic_host.ko.cil.i[663164,663177] [2021-12-18 15:42:27,419 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--misc--mic--host--mic_host.ko.cil.i[663310,663323] [2021-12-18 15:42:27,419 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--misc--mic--host--mic_host.ko.cil.i[663455,663468] [2021-12-18 15:42:27,419 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--misc--mic--host--mic_host.ko.cil.i[663609,663622] [2021-12-18 15:42:27,420 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--misc--mic--host--mic_host.ko.cil.i[663760,663773] [2021-12-18 15:42:27,420 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--misc--mic--host--mic_host.ko.cil.i[663915,663928] [2021-12-18 15:42:27,420 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--misc--mic--host--mic_host.ko.cil.i[664067,664080] [2021-12-18 15:42:27,420 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--misc--mic--host--mic_host.ko.cil.i[664222,664235] [2021-12-18 15:42:27,421 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--misc--mic--host--mic_host.ko.cil.i[664386,664399] [2021-12-18 15:42:27,421 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--misc--mic--host--mic_host.ko.cil.i[664542,664555] [2021-12-18 15:42:27,422 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--misc--mic--host--mic_host.ko.cil.i[664706,664719] [2021-12-18 15:42:27,422 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--misc--mic--host--mic_host.ko.cil.i[664848,664861] [2021-12-18 15:42:27,422 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--misc--mic--host--mic_host.ko.cil.i[665006,665019] [2021-12-18 15:42:27,422 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--misc--mic--host--mic_host.ko.cil.i[665173,665186] [2021-12-18 15:42:27,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665332,665345] [2021-12-18 15:42:27,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665491,665504] [2021-12-18 15:42:27,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665640,665653] [2021-12-18 15:42:27,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665787,665800] [2021-12-18 15:42:27,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[665926,665939] [2021-12-18 15:42:27,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666089,666102] [2021-12-18 15:42:27,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666255,666268] [2021-12-18 15:42:27,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666419,666432] [2021-12-18 15:42:27,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666584,666597] [2021-12-18 15:42:27,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666749,666762] [2021-12-18 15:42:27,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[666915,666928] [2021-12-18 15:42:27,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667080,667093] [2021-12-18 15:42:27,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667247,667260] [2021-12-18 15:42:27,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667407,667420] [2021-12-18 15:42:27,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667569,667582] [2021-12-18 15:42:27,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667728,667741] [2021-12-18 15:42:27,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[667874,667887] [2021-12-18 15:42:27,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668017,668030] [2021-12-18 15:42:27,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668161,668174] [2021-12-18 15:42:27,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668304,668317] [2021-12-18 15:42:27,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668448,668461] [2021-12-18 15:42:27,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668589,668602] [2021-12-18 15:42:27,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668727,668740] [2021-12-18 15:42:27,438 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[668885,668898] [2021-12-18 15:42:27,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669044,669057] [2021-12-18 15:42:27,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669200,669213] [2021-12-18 15:42:27,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669349,669362] [2021-12-18 15:42:27,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669501,669514] [2021-12-18 15:42:27,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669652,669665] [2021-12-18 15:42:27,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669801,669814] [2021-12-18 15:42:27,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[669953,669966] [2021-12-18 15:42:27,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670101,670114] [2021-12-18 15:42:27,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670254,670267] [2021-12-18 15:42:27,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670405,670418] [2021-12-18 15:42:27,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670555,670568] [2021-12-18 15:42:27,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670702,670715] [2021-12-18 15:42:27,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[670853,670866] [2021-12-18 15:42:27,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671004,671017] [2021-12-18 15:42:27,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671152,671165] [2021-12-18 15:42:27,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671318,671331] [2021-12-18 15:42:27,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671487,671500] [2021-12-18 15:42:27,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671654,671667] [2021-12-18 15:42:27,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671822,671835] [2021-12-18 15:42:27,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[671972,671985] [2021-12-18 15:42:27,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672119,672132] [2021-12-18 15:42:27,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672280,672293] [2021-12-18 15:42:27,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672450,672463] [2021-12-18 15:42:27,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i[672612,672625] [2021-12-18 15:42:27,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 15:42:27,774 INFO L208 MainTranslator]: Completed translation [2021-12-18 15:42:27,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:42:27 WrapperNode [2021-12-18 15:42:27,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 15:42:27,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 15:42:27,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 15:42:27,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 15:42:27,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:42:27" (1/1) ... [2021-12-18 15:42:27,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:42:27" (1/1) ... [2021-12-18 15:42:28,235 INFO L137 Inliner]: procedures = 1031, calls = 5477, calls flagged for inlining = 517, calls inlined = 430, statements flattened = 14053 [2021-12-18 15:42:28,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 15:42:28,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 15:42:28,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 15:42:28,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 15:42:28,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:42:27" (1/1) ... [2021-12-18 15:42:28,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:42:27" (1/1) ... [2021-12-18 15:42:28,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:42:27" (1/1) ... [2021-12-18 15:42:28,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:42:27" (1/1) ... [2021-12-18 15:42:28,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:42:27" (1/1) ... [2021-12-18 15:42:28,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:42:27" (1/1) ... [2021-12-18 15:42:28,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:42:27" (1/1) ... [2021-12-18 15:42:28,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 15:42:28,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 15:42:28,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 15:42:28,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 15:42:28,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:42:27" (1/1) ... [2021-12-18 15:42:28,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 15:42:28,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:42:28,572 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 15:42:28,599 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 15:42:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-12-18 15:42:28,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-12-18 15:42:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure mic_smpt_align_high [2021-12-18 15:42:28,616 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_smpt_align_high [2021-12-18 15:42:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-12-18 15:42:28,617 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-12-18 15:42:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vdev_info_debug_open [2021-12-18 15:42:28,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vdev_info_debug_open [2021-12-18 15:42:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_vr_mutex_of_mic_vringh [2021-12-18 15:42:28,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_vr_mutex_of_mic_vringh [2021-12-18 15:42:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 15:42:28,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 15:42:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_6_22 [2021-12-18 15:42:28,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_6_22 [2021-12-18 15:42:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_6_23 [2021-12-18 15:42:28,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_6_23 [2021-12-18 15:42:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-18 15:42:28,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-18 15:42:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure mic_max_system_memory [2021-12-18 15:42:28,618 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_max_system_memory [2021-12-18 15:42:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 15:42:28,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 15:42:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure mic_system_page_mask [2021-12-18 15:42:28,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_system_page_mask [2021-12-18 15:42:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure mic_remove [2021-12-18 15:42:28,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_remove [2021-12-18 15:42:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 15:42:28,619 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 15:42:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-12-18 15:42:28,619 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-12-18 15:42:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure cmdline_store [2021-12-18 15:42:28,619 INFO L138 BoogieDeclarations]: Found implementation of procedure cmdline_store [2021-12-18 15:42:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_is_fw_ready [2021-12-18 15:42:28,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_is_fw_ready [2021-12-18 15:42:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-18 15:42:28,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-18 15:42:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-18 15:42:28,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-18 15:42:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~~irqreturn_t~0 [2021-12-18 15:42:28,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~~irqreturn_t~0 [2021-12-18 15:42:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_write_spad [2021-12-18 15:42:28,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_write_spad [2021-12-18 15:42:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure mic_smpt_offset [2021-12-18 15:42:28,621 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_smpt_offset [2021-12-18 15:42:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure mic_map_single [2021-12-18 15:42:28,621 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_map_single [2021-12-18 15:42:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vringh_iov_consumed [2021-12-18 15:42:28,621 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vringh_iov_consumed [2021-12-18 15:42:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_program_msi_to_src_map [2021-12-18 15:42:28,621 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_program_msi_to_src_map [2021-12-18 15:42:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 15:42:28,621 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 15:42:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 15:42:28,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 15:42:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vdev_info_debug_release [2021-12-18 15:42:28,622 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vdev_info_debug_release [2021-12-18 15:42:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_send_intr [2021-12-18 15:42:28,622 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_send_intr [2021-12-18 15:42:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mbus_unregister_device [2021-12-18 15:42:28,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mbus_unregister_device [2021-12-18 15:42:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vq_configspace [2021-12-18 15:42:28,622 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vq_configspace [2021-12-18 15:42:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure mic_dev [2021-12-18 15:42:28,623 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_dev [2021-12-18 15:42:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-18 15:42:28,623 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-18 15:42:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 15:42:28,623 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 15:42:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-18 15:42:28,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-18 15:42:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 15:42:28,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 15:42:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_hw_reset [2021-12-18 15:42:28,624 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_hw_reset [2021-12-18 15:42:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 15:42:28,624 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 15:42:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_4_23 [2021-12-18 15:42:28,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_4_23 [2021-12-18 15:42:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_4_22 [2021-12-18 15:42:28,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_4_22 [2021-12-18 15:42:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2021-12-18 15:42:28,624 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2021-12-18 15:42:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 15:42:28,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 15:42:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 15:42:28,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 15:42:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure ida_simple_remove [2021-12-18 15:42:28,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_simple_remove [2021-12-18 15:42:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 15:42:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 15:42:28,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 15:42:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure _mic_ack_interrupt [2021-12-18 15:42:28,626 INFO L138 BoogieDeclarations]: Found implementation of procedure _mic_ack_interrupt [2021-12-18 15:42:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_smpt_set [2021-12-18 15:42:28,626 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_smpt_set [2021-12-18 15:42:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u32~0~TO~VOID [2021-12-18 15:42:28,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u32~0~TO~VOID [2021-12-18 15:42:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 15:42:28,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 15:42:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure mic_desc_size [2021-12-18 15:42:28,626 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_desc_size [2021-12-18 15:42:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-18 15:42:28,627 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-18 15:42:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-18 15:42:28,627 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-18 15:42:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 15:42:28,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 15:42:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure mic_log_buf_open [2021-12-18 15:42:28,627 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_log_buf_open [2021-12-18 15:42:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 15:42:28,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 15:42:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-12-18 15:42:28,628 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-12-18 15:42:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 15:42:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 15:42:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 15:42:28,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 15:42:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 15:42:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure mic_smpt_debug_open [2021-12-18 15:42:28,628 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_smpt_debug_open [2021-12-18 15:42:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure mic_unmap_single [2021-12-18 15:42:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_unmap_single [2021-12-18 15:42:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-18 15:42:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-18 15:42:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure mic_free_irq [2021-12-18 15:42:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_free_irq [2021-12-18 15:42:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_send_firmware_intr [2021-12-18 15:42:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_send_firmware_intr [2021-12-18 15:42:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_msi_enabled [2021-12-18 15:42:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_msi_enabled [2021-12-18 15:42:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure mbdev_to_mdev [2021-12-18 15:42:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mbdev_to_mdev [2021-12-18 15:42:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_load_firmware [2021-12-18 15:42:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_load_firmware [2021-12-18 15:42:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_threaded_irq [2021-12-18 15:42:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_threaded_irq [2021-12-18 15:42:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure _mic_free_irq [2021-12-18 15:42:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure _mic_free_irq [2021-12-18 15:42:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure mic_msi_irq_info_debug_open [2021-12-18 15:42:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_msi_irq_info_debug_open [2021-12-18 15:42:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure mic_dma_map_page [2021-12-18 15:42:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_dma_map_page [2021-12-18 15:42:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 15:42:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 15:42:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure vringh16_to_cpu [2021-12-18 15:42:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure vringh16_to_cpu [2021-12-18 15:42:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-18 15:42:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-18 15:42:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 15:42:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 15:42:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure mic_smpt_uninit [2021-12-18 15:42:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_smpt_uninit [2021-12-18 15:42:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 15:42:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 15:42:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure mic_map_error [2021-12-18 15:42:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_map_error [2021-12-18 15:42:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_hw_intr_init [2021-12-18 15:42:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_hw_intr_init [2021-12-18 15:42:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 15:42:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 15:42:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_smpt_lock_of_mic_smpt_info [2021-12-18 15:42:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_smpt_lock_of_mic_smpt_info [2021-12-18 15:42:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure mic_post_code_debug_release [2021-12-18 15:42:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_post_code_debug_release [2021-12-18 15:42:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 15:42:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 15:42:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 15:42:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure log_buf_len_store [2021-12-18 15:42:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure log_buf_len_store [2021-12-18 15:42:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_0 [2021-12-18 15:42:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_0 [2021-12-18 15:42:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure mic_reset_trigger_work [2021-12-18 15:42:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_reset_trigger_work [2021-12-18 15:42:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_1 [2021-12-18 15:42:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_1 [2021-12-18 15:42:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_4 [2021-12-18 15:42:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_4 [2021-12-18 15:42:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_3 [2021-12-18 15:42:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_3 [2021-12-18 15:42:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_6 [2021-12-18 15:42:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_6 [2021-12-18 15:42:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init [2021-12-18 15:42:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init [2021-12-18 15:42:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_5 [2021-12-18 15:42:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_5 [2021-12-18 15:42:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_7 [2021-12-18 15:42:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_7 [2021-12-18 15:42:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure mic_delete_debug_dir [2021-12-18 15:42:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_delete_debug_dir [2021-12-18 15:42:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 15:42:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 15:42:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_1_22 [2021-12-18 15:42:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_1_22 [2021-12-18 15:42:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-12-18 15:42:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-12-18 15:42:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2021-12-18 15:42:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2021-12-18 15:42:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_1_23 [2021-12-18 15:42:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_1_23 [2021-12-18 15:42:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-18 15:42:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-18 15:42:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-18 15:42:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-18 15:42:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-18 15:42:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-18 15:42:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 15:42:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 15:42:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 15:42:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 15:42:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 15:42:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 15:42:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 15:42:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mic_intr_lock_of_mic_irq_info [2021-12-18 15:42:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mic_intr_lock_of_mic_irq_info [2021-12-18 15:42:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-12-18 15:42:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-12-18 15:42:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 15:42:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure mic_ioctl [2021-12-18 15:42:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_ioctl [2021-12-18 15:42:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2021-12-18 15:42:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2021-12-18 15:42:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure mic_notify [2021-12-18 15:42:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_notify [2021-12-18 15:42:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_array_102 [2021-12-18 15:42:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_array_102 [2021-12-18 15:42:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mic_mutex_of_mic_device [2021-12-18 15:42:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mic_mutex_of_mic_device [2021-12-18 15:42:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure ida_destroy [2021-12-18 15:42:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_destroy [2021-12-18 15:42:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure mic_sys_addr_to_smpt [2021-12-18 15:42:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_sys_addr_to_smpt [2021-12-18 15:42:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_103 [2021-12-18 15:42:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_103 [2021-12-18 15:42:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-18 15:42:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-18 15:42:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-12-18 15:42:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-12-18 15:42:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-18 15:42:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-18 15:42:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 15:42:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 15:42:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 15:42:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 15:42:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 15:42:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 15:42:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 15:42:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 15:42:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 15:42:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 15:42:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure vring_size [2021-12-18 15:42:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure vring_size [2021-12-18 15:42:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure mic_set_shutdown_status [2021-12-18 15:42:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_set_shutdown_status [2021-12-18 15:42:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-18 15:42:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-18 15:42:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 15:42:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_vr_mutex_of_mic_vringh [2021-12-18 15:42:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_vr_mutex_of_mic_vringh [2021-12-18 15:42:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 15:42:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 15:42:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure mic_mmap [2021-12-18 15:42:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_mmap [2021-12-18 15:42:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_enable_interrupts [2021-12-18 15:42:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_enable_interrupts [2021-12-18 15:42:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_98 [2021-12-18 15:42:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_98 [2021-12-18 15:42:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ramdisk_store [2021-12-18 15:42:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ramdisk_store [2021-12-18 15:42:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2021-12-18 15:42:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2021-12-18 15:42:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure mic_request_threaded_irq [2021-12-18 15:42:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_request_threaded_irq [2021-12-18 15:42:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-18 15:42:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-18 15:42:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vdev_inited [2021-12-18 15:42:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vdev_inited [2021-12-18 15:42:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure mic_dp_uninit [2021-12-18 15:42:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_dp_uninit [2021-12-18 15:42:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 15:42:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 15:42:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-18 15:42:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-18 15:42:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure log_buf_addr_store [2021-12-18 15:42:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure log_buf_addr_store [2021-12-18 15:42:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure mic_next_db [2021-12-18 15:42:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_next_db [2021-12-18 15:42:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mic_intr_lock_of_mic_irq_info [2021-12-18 15:42:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mic_intr_lock_of_mic_irq_info [2021-12-18 15:42:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-18 15:42:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-18 15:42:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-12-18 15:42:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-12-18 15:42:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-12-18 15:42:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-12-18 15:42:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_98 [2021-12-18 15:42:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_98 [2021-12-18 15:42:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 15:42:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 15:42:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 15:42:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 15:42:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 15:42:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 15:42:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_7_22 [2021-12-18 15:42:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_7_22 [2021-12-18 15:42:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_7_23 [2021-12-18 15:42:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_7_23 [2021-12-18 15:42:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure mic_mmio_write [2021-12-18 15:42:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_mmio_write [2021-12-18 15:42:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure vringh_kiov_cleanup [2021-12-18 15:42:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure vringh_kiov_cleanup [2021-12-18 15:42:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 15:42:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 15:42:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure mic_dp_debug_open [2021-12-18 15:42:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_dp_debug_open [2021-12-18 15:42:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 15:42:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 15:42:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure mic_log_buf_release [2021-12-18 15:42:28,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_log_buf_release [2021-12-18 15:42:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_disable_interrupts [2021-12-18 15:42:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_disable_interrupts [2021-12-18 15:42:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vdevup [2021-12-18 15:42:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vdevup [2021-12-18 15:42:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-18 15:42:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-18 15:42:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure mic_exit_debugfs [2021-12-18 15:42:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_exit_debugfs [2021-12-18 15:42:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vringh_copy [2021-12-18 15:42:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vringh_copy [2021-12-18 15:42:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 15:42:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 15:42:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~~u8~0~TO~VOID [2021-12-18 15:42:28,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~~u8~0~TO~VOID [2021-12-18 15:42:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure bootmode_store [2021-12-18 15:42:28,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bootmode_store [2021-12-18 15:42:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 15:42:28,735 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 15:42:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_get_postcode [2021-12-18 15:42:28,735 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_get_postcode [2021-12-18 15:42:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 15:42:28,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 15:42:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-18 15:42:28,736 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-18 15:42:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vq_features [2021-12-18 15:42:28,736 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vq_features [2021-12-18 15:42:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 15:42:28,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 15:42:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-18 15:42:28,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-18 15:42:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 15:42:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure state_store [2021-12-18 15:42:28,737 INFO L138 BoogieDeclarations]: Found implementation of procedure state_store [2021-12-18 15:42:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure mic_get_smpt_ref_count [2021-12-18 15:42:28,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_get_smpt_ref_count [2021-12-18 15:42:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 15:42:28,737 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 15:42:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_5_22 [2021-12-18 15:42:28,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_5_22 [2021-12-18 15:42:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure mic_post_code_debug_open [2021-12-18 15:42:28,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_post_code_debug_open [2021-12-18 15:42:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_5_23 [2021-12-18 15:42:28,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_5_23 [2021-12-18 15:42:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 15:42:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 15:42:28,738 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 15:42:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-18 15:42:28,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-18 15:42:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 15:42:28,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 15:42:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 15:42:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure mbus_unregister_device [2021-12-18 15:42:28,738 INFO L138 BoogieDeclarations]: Found implementation of procedure mbus_unregister_device [2021-12-18 15:42:28,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-18 15:42:28,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-18 15:42:28,739 INFO L130 BoogieDeclarations]: Found specification of procedure mic_poll [2021-12-18 15:42:28,739 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_poll [2021-12-18 15:42:28,739 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 15:42:28,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 15:42:28,739 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_reset_fw_ready [2021-12-18 15:42:28,739 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_reset_fw_ready [2021-12-18 15:42:28,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-18 15:42:28,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-18 15:42:28,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 15:42:28,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 15:42:28,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 15:42:28,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 15:42:28,740 INFO L130 BoogieDeclarations]: Found specification of procedure mic_interrupt [2021-12-18 15:42:28,740 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_interrupt [2021-12-18 15:42:28,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 15:42:28,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 15:42:28,740 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_read_spad [2021-12-18 15:42:28,740 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_read_spad [2021-12-18 15:42:28,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-12-18 15:42:28,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-12-18 15:42:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 15:42:28,741 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 15:42:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 15:42:28,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 15:42:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure mic_stop [2021-12-18 15:42:28,741 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_stop [2021-12-18 15:42:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-12-18 15:42:28,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-12-18 15:42:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-12-18 15:42:28,742 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-12-18 15:42:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-18 15:42:28,742 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-18 15:42:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure mic_setup_callbacks [2021-12-18 15:42:28,742 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_setup_callbacks [2021-12-18 15:42:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_put [2021-12-18 15:42:28,742 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_put [2021-12-18 15:42:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_streq [2021-12-18 15:42:28,742 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_streq [2021-12-18 15:42:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure mic_release [2021-12-18 15:42:28,742 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_release [2021-12-18 15:42:28,743 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 15:42:28,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 15:42:28,743 INFO L130 BoogieDeclarations]: Found specification of procedure vringh32_to_cpu [2021-12-18 15:42:28,743 INFO L138 BoogieDeclarations]: Found implementation of procedure vringh32_to_cpu [2021-12-18 15:42:28,743 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 15:42:28,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 15:42:28,743 INFO L130 BoogieDeclarations]: Found specification of procedure mic_dp_debug_release [2021-12-18 15:42:28,743 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_dp_debug_release [2021-12-18 15:42:28,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_3_23 [2021-12-18 15:42:28,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_3_23 [2021-12-18 15:42:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_3_22 [2021-12-18 15:42:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_3_22 [2021-12-18 15:42:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~~bool~0~TO~VOID [2021-12-18 15:42:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~~bool~0~TO~VOID [2021-12-18 15:42:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure mic_probe [2021-12-18 15:42:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_probe [2021-12-18 15:42:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 15:42:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 15:42:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure mic_virtio_device_reset [2021-12-18 15:42:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_virtio_device_reset [2021-12-18 15:42:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2021-12-18 15:42:28,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2021-12-18 15:42:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure mic_mmio_read [2021-12-18 15:42:28,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_mmio_read [2021-12-18 15:42:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 15:42:28,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 15:42:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-12-18 15:42:28,745 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-12-18 15:42:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-12-18 15:42:28,745 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-12-18 15:42:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-18 15:42:28,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-18 15:42:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-18 15:42:28,746 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-18 15:42:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_intr_workarounds [2021-12-18 15:42:28,746 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_intr_workarounds [2021-12-18 15:42:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-18 15:42:28,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-18 15:42:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 15:42:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 15:42:28,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 15:42:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure mic_release_callbacks [2021-12-18 15:42:28,747 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_release_callbacks [2021-12-18 15:42:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 15:42:28,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 15:42:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2021-12-18 15:42:28,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2021-12-18 15:42:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure mic_smpt_debug_release [2021-12-18 15:42:28,747 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_smpt_debug_release [2021-12-18 15:42:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_103 [2021-12-18 15:42:28,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_103 [2021-12-18 15:42:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-18 15:42:28,748 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-18 15:42:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure mic_soft_reset_debug_open [2021-12-18 15:42:28,748 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_soft_reset_debug_open [2021-12-18 15:42:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mic_mutex_of_mic_device [2021-12-18 15:42:28,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mic_mutex_of_mic_device [2021-12-18 15:42:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_read_msi_to_src_map [2021-12-18 15:42:28,748 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_read_msi_to_src_map [2021-12-18 15:42:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-12-18 15:42:28,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-12-18 15:42:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~bool~0 [2021-12-18 15:42:28,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~bool~0 [2021-12-18 15:42:28,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_23 [2021-12-18 15:42:28,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_23 [2021-12-18 15:42:28,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_22 [2021-12-18 15:42:28,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_22 [2021-12-18 15:42:28,749 INFO L130 BoogieDeclarations]: Found specification of procedure mic_set_state [2021-12-18 15:42:28,749 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_set_state [2021-12-18 15:42:28,749 INFO L130 BoogieDeclarations]: Found specification of procedure vringh_kiov_init [2021-12-18 15:42:28,749 INFO L138 BoogieDeclarations]: Found implementation of procedure vringh_kiov_init [2021-12-18 15:42:28,749 INFO L130 BoogieDeclarations]: Found specification of procedure mic_is_system_addr [2021-12-18 15:42:28,749 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_is_system_addr [2021-12-18 15:42:28,749 INFO L130 BoogieDeclarations]: Found specification of procedure mic_vq_config [2021-12-18 15:42:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_vq_config [2021-12-18 15:42:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-18 15:42:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-18 15:42:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 15:42:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure mic_sync_dma [2021-12-18 15:42:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_sync_dma [2021-12-18 15:42:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-18 15:42:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-18 15:42:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 15:42:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 15:42:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 15:42:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 15:42:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 15:42:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 15:42:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-18 15:42:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-18 15:42:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 15:42:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 15:42:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-12-18 15:42:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-12-18 15:42:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure mic_open [2021-12-18 15:42:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_open [2021-12-18 15:42:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure mic_device_uninit [2021-12-18 15:42:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_device_uninit [2021-12-18 15:42:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure mic_dma_unmap_page [2021-12-18 15:42:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_dma_unmap_page [2021-12-18 15:42:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure mic_bootparam_init [2021-12-18 15:42:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_bootparam_init [2021-12-18 15:42:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-18 15:42:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-18 15:42:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure mic_soft_reset_debug_release [2021-12-18 15:42:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_soft_reset_debug_release [2021-12-18 15:42:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure mic_thread_fn [2021-12-18 15:42:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_thread_fn [2021-12-18 15:42:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-12-18 15:42:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-12-18 15:42:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 15:42:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 15:42:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure mic_total_desc_size [2021-12-18 15:42:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_total_desc_size [2021-12-18 15:42:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure firmware_store [2021-12-18 15:42:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure firmware_store [2021-12-18 15:42:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure ida_init [2021-12-18 15:42:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_init [2021-12-18 15:42:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 15:42:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 15:42:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 15:42:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 15:42:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-18 15:42:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-18 15:42:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure mic_msi_irq_info_debug_release [2021-12-18 15:42:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_msi_irq_info_debug_release [2021-12-18 15:42:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure mic_reset [2021-12-18 15:42:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_reset [2021-12-18 15:42:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-18 15:42:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-12-18 15:42:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 15:42:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 15:42:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure mic_free_interrupts [2021-12-18 15:42:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_free_interrupts [2021-12-18 15:42:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_97 [2021-12-18 15:42:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_97 [2021-12-18 15:42:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 15:42:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 15:42:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2021-12-18 15:42:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2021-12-18 15:42:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-18 15:42:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-18 15:42:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_ack_interrupt [2021-12-18 15:42:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_ack_interrupt [2021-12-18 15:42:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure ida_simple_get [2021-12-18 15:42:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_simple_get [2021-12-18 15:42:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-18 15:42:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-18 15:42:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 15:42:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 15:42:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-18 15:42:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-18 15:42:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure mic_x100_smpt_hw_init [2021-12-18 15:42:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure mic_x100_smpt_hw_init [2021-12-18 15:42:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u32~0 [2021-12-18 15:42:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u32~0 [2021-12-18 15:42:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 15:42:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 15:42:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 15:42:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 15:42:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 15:42:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 15:42:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 15:42:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 15:42:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_24_1 [2021-12-18 15:42:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_24_1 [2021-12-18 15:42:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 15:42:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2021-12-18 15:42:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2021-12-18 15:42:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-18 15:42:30,023 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 15:42:30,027 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 15:42:30,130 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 15:42:42,008 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 15:42:42,034 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 15:42:42,035 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 15:42:42,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:42:42 BoogieIcfgContainer [2021-12-18 15:42:42,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 15:42:42,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 15:42:42,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 15:42:42,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 15:42:42,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 03:42:21" (1/3) ... [2021-12-18 15:42:42,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab3d725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:42:42, skipping insertion in model container [2021-12-18 15:42:42,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:42:27" (2/3) ... [2021-12-18 15:42:42,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab3d725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:42:42, skipping insertion in model container [2021-12-18 15:42:42,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:42:42" (3/3) ... [2021-12-18 15:42:42,043 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--misc--mic--host--mic_host.ko.cil.i [2021-12-18 15:42:42,046 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 15:42:42,046 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2021-12-18 15:42:42,081 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 15:42:42,088 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 15:42:42,088 INFO L340 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2021-12-18 15:42:42,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 4459 states, 2881 states have (on average 1.2634501909059355) internal successors, (3640), 3071 states have internal predecessors, (3640), 1257 states have call successors, (1257), 283 states have call predecessors, (1257), 282 states have return successors, (1234), 1186 states have call predecessors, (1234), 1234 states have call successors, (1234) [2021-12-18 15:42:42,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-18 15:42:42,143 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:42:42,144 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-18 15:42:42,144 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:42:42,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:42:42,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1499870010, now seen corresponding path program 1 times [2021-12-18 15:42:42,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:42:42,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885983597] [2021-12-18 15:42:42,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:42:42,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:42:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:42,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:42:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:42,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:42:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:42,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:42:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:42,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:42:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:42,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 15:42:42,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:42:42,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885983597] [2021-12-18 15:42:42,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885983597] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:42:42,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:42:42,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 15:42:42,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390428972] [2021-12-18 15:42:42,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:42:42,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 15:42:42,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:42:42,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 15:42:42,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 15:42:42,815 INFO L87 Difference]: Start difference. First operand has 4459 states, 2881 states have (on average 1.2634501909059355) internal successors, (3640), 3071 states have internal predecessors, (3640), 1257 states have call successors, (1257), 283 states have call predecessors, (1257), 282 states have return successors, (1234), 1186 states have call predecessors, (1234), 1234 states have call successors, (1234) Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-18 15:42:43,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:42:43,272 INFO L93 Difference]: Finished difference Result 12925 states and 18321 transitions. [2021-12-18 15:42:43,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 15:42:43,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 31 [2021-12-18 15:42:43,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:42:43,454 INFO L225 Difference]: With dead ends: 12925 [2021-12-18 15:42:43,455 INFO L226 Difference]: Without dead ends: 8490 [2021-12-18 15:42:43,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:42:43,486 INFO L933 BasicCegarLoop]: 11724 mSDtfsCounter, 5905 mSDsluCounter, 29275 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5906 SdHoareTripleChecker+Valid, 40999 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:42:43,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5906 Valid, 40999 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 15:42:43,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8490 states. [2021-12-18 15:42:43,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8490 to 8401. [2021-12-18 15:42:43,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8401 states, 5468 states have (on average 1.244147768836869) internal successors, (6803), 5769 states have internal predecessors, (6803), 2352 states have call successors, (2352), 545 states have call predecessors, (2352), 544 states have return successors, (2350), 2250 states have call predecessors, (2350), 2350 states have call successors, (2350) [2021-12-18 15:42:43,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8401 states to 8401 states and 11505 transitions. [2021-12-18 15:42:43,871 INFO L78 Accepts]: Start accepts. Automaton has 8401 states and 11505 transitions. Word has length 31 [2021-12-18 15:42:43,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:42:43,872 INFO L470 AbstractCegarLoop]: Abstraction has 8401 states and 11505 transitions. [2021-12-18 15:42:43,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-18 15:42:43,873 INFO L276 IsEmpty]: Start isEmpty. Operand 8401 states and 11505 transitions. [2021-12-18 15:42:43,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-18 15:42:43,874 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:42:43,874 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:42:43,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 15:42:43,875 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:42:43,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:42:43,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1367820307, now seen corresponding path program 1 times [2021-12-18 15:42:43,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:42:43,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281600924] [2021-12-18 15:42:43,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:42:43,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:42:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:44,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:42:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:44,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:42:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:44,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:42:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:44,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:42:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:44,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:42:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:44,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:42:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:44,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:42:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:44,192 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-12-18 15:42:44,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:42:44,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281600924] [2021-12-18 15:42:44,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281600924] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:42:44,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:42:44,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 15:42:44,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904497948] [2021-12-18 15:42:44,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:42:44,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 15:42:44,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:42:44,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 15:42:44,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 15:42:44,195 INFO L87 Difference]: Start difference. First operand 8401 states and 11505 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-18 15:42:44,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:42:44,401 INFO L93 Difference]: Finished difference Result 8401 states and 11505 transitions. [2021-12-18 15:42:44,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 15:42:44,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 50 [2021-12-18 15:42:44,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:42:44,444 INFO L225 Difference]: With dead ends: 8401 [2021-12-18 15:42:44,444 INFO L226 Difference]: Without dead ends: 8399 [2021-12-18 15:42:44,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:42:44,454 INFO L933 BasicCegarLoop]: 5809 mSDtfsCounter, 5805 mSDsluCounter, 11615 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5806 SdHoareTripleChecker+Valid, 17424 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:42:44,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5806 Valid, 17424 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 15:42:44,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8399 states. [2021-12-18 15:42:44,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8399 to 8399. [2021-12-18 15:42:44,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8399 states, 5467 states have (on average 1.243826595939272) internal successors, (6800), 5767 states have internal predecessors, (6800), 2352 states have call successors, (2352), 545 states have call predecessors, (2352), 544 states have return successors, (2350), 2250 states have call predecessors, (2350), 2350 states have call successors, (2350) [2021-12-18 15:42:44,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8399 states to 8399 states and 11502 transitions. [2021-12-18 15:42:44,779 INFO L78 Accepts]: Start accepts. Automaton has 8399 states and 11502 transitions. Word has length 50 [2021-12-18 15:42:44,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:42:44,779 INFO L470 AbstractCegarLoop]: Abstraction has 8399 states and 11502 transitions. [2021-12-18 15:42:44,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-18 15:42:44,779 INFO L276 IsEmpty]: Start isEmpty. Operand 8399 states and 11502 transitions. [2021-12-18 15:42:44,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-18 15:42:44,786 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:42:44,786 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:42:44,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 15:42:44,786 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:42:44,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:42:44,787 INFO L85 PathProgramCache]: Analyzing trace with hash -550992927, now seen corresponding path program 1 times [2021-12-18 15:42:44,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:42:44,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995884625] [2021-12-18 15:42:44,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:42:44,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:42:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:45,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:42:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:45,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:42:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:45,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:42:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:45,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:42:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:45,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:42:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:45,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:42:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:45,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:42:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:45,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:42:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:45,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 15:42:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:45,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:42:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:45,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 15:42:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:45,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:42:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-12-18 15:42:45,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:42:45,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995884625] [2021-12-18 15:42:45,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995884625] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:42:45,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:42:45,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:42:45,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114256064] [2021-12-18 15:42:45,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:42:45,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:42:45,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:42:45,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:42:45,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:42:45,206 INFO L87 Difference]: Start difference. First operand 8399 states and 11502 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 15:42:55,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:42:55,724 INFO L93 Difference]: Finished difference Result 18228 states and 25314 transitions. [2021-12-18 15:42:55,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:42:55,725 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 82 [2021-12-18 15:42:55,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:42:55,862 INFO L225 Difference]: With dead ends: 18228 [2021-12-18 15:42:55,863 INFO L226 Difference]: Without dead ends: 18226 [2021-12-18 15:42:55,880 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:42:55,883 INFO L933 BasicCegarLoop]: 8429 mSDtfsCounter, 7614 mSDsluCounter, 23540 mSDsCounter, 0 mSdLazyCounter, 6834 mSolverCounterSat, 3013 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8468 SdHoareTripleChecker+Valid, 31969 SdHoareTripleChecker+Invalid, 9847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3013 IncrementalHoareTripleChecker+Valid, 6834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:42:55,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8468 Valid, 31969 Invalid, 9847 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3013 Valid, 6834 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2021-12-18 15:42:55,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18226 states. [2021-12-18 15:42:56,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18226 to 16372. [2021-12-18 15:42:56,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16372 states, 10670 states have (on average 1.244892221180881) internal successors, (13283), 11233 states have internal predecessors, (13283), 4624 states have call successors, (4624), 1044 states have call predecessors, (4624), 1043 states have return successors, (4626), 4420 states have call predecessors, (4626), 4622 states have call successors, (4626) [2021-12-18 15:42:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16372 states to 16372 states and 22533 transitions. [2021-12-18 15:42:56,650 INFO L78 Accepts]: Start accepts. Automaton has 16372 states and 22533 transitions. Word has length 82 [2021-12-18 15:42:56,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:42:56,652 INFO L470 AbstractCegarLoop]: Abstraction has 16372 states and 22533 transitions. [2021-12-18 15:42:56,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 15:42:56,652 INFO L276 IsEmpty]: Start isEmpty. Operand 16372 states and 22533 transitions. [2021-12-18 15:42:56,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-18 15:42:56,655 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:42:56,655 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:42:56,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 15:42:56,656 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:42:56,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:42:56,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1086952134, now seen corresponding path program 1 times [2021-12-18 15:42:56,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:42:56,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972629650] [2021-12-18 15:42:56,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:42:56,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:42:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:56,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:42:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:56,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:42:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:56,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:42:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:42:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:56,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:42:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:56,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:42:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:56,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:42:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:56,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:42:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:56,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 15:42:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:56,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:42:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:56,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 15:42:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:56,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:42:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:56,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 15:42:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:57,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-18 15:42:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:42:57,012 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-12-18 15:42:57,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:42:57,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972629650] [2021-12-18 15:42:57,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972629650] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:42:57,012 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:42:57,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:42:57,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618671711] [2021-12-18 15:42:57,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:42:57,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:42:57,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:42:57,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:42:57,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:42:57,014 INFO L87 Difference]: Start difference. First operand 16372 states and 22533 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (13), 3 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 15:43:02,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:43:02,621 INFO L93 Difference]: Finished difference Result 17892 states and 24951 transitions. [2021-12-18 15:43:02,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 15:43:02,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (13), 3 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 95 [2021-12-18 15:43:02,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:43:02,699 INFO L225 Difference]: With dead ends: 17892 [2021-12-18 15:43:02,700 INFO L226 Difference]: Without dead ends: 17890 [2021-12-18 15:43:02,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:43:02,717 INFO L933 BasicCegarLoop]: 5581 mSDtfsCounter, 6445 mSDsluCounter, 12053 mSDsCounter, 0 mSdLazyCounter, 3649 mSolverCounterSat, 2226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7060 SdHoareTripleChecker+Valid, 17634 SdHoareTripleChecker+Invalid, 5875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2226 IncrementalHoareTripleChecker+Valid, 3649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:43:02,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7060 Valid, 17634 Invalid, 5875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2226 Valid, 3649 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-18 15:43:02,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17890 states. [2021-12-18 15:43:03,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17890 to 16370. [2021-12-18 15:43:03,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16370 states, 10669 states have (on average 1.2445402568188209) internal successors, (13278), 11231 states have internal predecessors, (13278), 4624 states have call successors, (4624), 1044 states have call predecessors, (4624), 1043 states have return successors, (4626), 4420 states have call predecessors, (4626), 4622 states have call successors, (4626) [2021-12-18 15:43:03,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16370 states to 16370 states and 22528 transitions. [2021-12-18 15:43:03,484 INFO L78 Accepts]: Start accepts. Automaton has 16370 states and 22528 transitions. Word has length 95 [2021-12-18 15:43:03,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:43:03,485 INFO L470 AbstractCegarLoop]: Abstraction has 16370 states and 22528 transitions. [2021-12-18 15:43:03,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (13), 3 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 15:43:03,486 INFO L276 IsEmpty]: Start isEmpty. Operand 16370 states and 22528 transitions. [2021-12-18 15:43:03,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-12-18 15:43:03,487 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:43:03,487 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:43:03,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 15:43:03,487 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:43:03,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:43:03,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1395275420, now seen corresponding path program 1 times [2021-12-18 15:43:03,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:43:03,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173506904] [2021-12-18 15:43:03,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:43:03,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:43:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:43:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:03,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:43:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:03,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:43:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:43:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:03,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:43:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:03,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:43:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:03,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:43:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:03,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:43:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:03,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:43:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:03,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:43:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:03,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:43:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:03,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:43:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:03,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:43:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:03,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:43:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:03,864 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:43:03,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:43:03,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173506904] [2021-12-18 15:43:03,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173506904] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:43:03,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:43:03,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:43:03,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004736771] [2021-12-18 15:43:03,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:43:03,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:43:03,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:43:03,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:43:03,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:43:03,866 INFO L87 Difference]: Start difference. First operand 16370 states and 22528 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 15:43:13,438 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 15:43:16,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:43:19,014 WARN L534 Checker$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 15:43:25,895 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:43:28,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:43:30,791 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 15:43:34,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:43:34,027 INFO L93 Difference]: Finished difference Result 32428 states and 45047 transitions. [2021-12-18 15:43:34,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 15:43:34,027 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 97 [2021-12-18 15:43:34,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:43:34,182 INFO L225 Difference]: With dead ends: 32428 [2021-12-18 15:43:34,183 INFO L226 Difference]: Without dead ends: 32426 [2021-12-18 15:43:34,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:43:34,205 INFO L933 BasicCegarLoop]: 5190 mSDtfsCounter, 15166 mSDsluCounter, 4910 mSDsCounter, 0 mSdLazyCounter, 11734 mSolverCounterSat, 10552 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15378 SdHoareTripleChecker+Valid, 10100 SdHoareTripleChecker+Invalid, 22292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10552 IncrementalHoareTripleChecker+Valid, 11734 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:43:34,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15378 Valid, 10100 Invalid, 22292 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10552 Valid, 11734 Invalid, 6 Unknown, 0 Unchecked, 29.0s Time] [2021-12-18 15:43:34,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32426 states. [2021-12-18 15:43:35,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32426 to 32082. [2021-12-18 15:43:35,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32082 states, 20938 states have (on average 1.2458209953195147) internal successors, (26085), 22018 states have internal predecessors, (26085), 9075 states have call successors, (9075), 2036 states have call predecessors, (9075), 2035 states have return successors, (9501), 8661 states have call predecessors, (9501), 9073 states have call successors, (9501) [2021-12-18 15:43:35,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32082 states to 32082 states and 44661 transitions. [2021-12-18 15:43:35,558 INFO L78 Accepts]: Start accepts. Automaton has 32082 states and 44661 transitions. Word has length 97 [2021-12-18 15:43:35,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:43:35,559 INFO L470 AbstractCegarLoop]: Abstraction has 32082 states and 44661 transitions. [2021-12-18 15:43:35,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 15:43:35,560 INFO L276 IsEmpty]: Start isEmpty. Operand 32082 states and 44661 transitions. [2021-12-18 15:43:35,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-18 15:43:35,564 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:43:35,564 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:43:35,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 15:43:35,565 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:43:35,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:43:35,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1339381631, now seen corresponding path program 1 times [2021-12-18 15:43:35,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:43:35,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100031503] [2021-12-18 15:43:35,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:43:35,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:43:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:35,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:43:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:35,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:43:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:35,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:43:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:35,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:43:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:35,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:43:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:35,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:43:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:35,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:43:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:35,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:43:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:35,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:43:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:35,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:43:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:35,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:43:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:35,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:43:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:35,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:43:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:35,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:43:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:35,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:43:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:35,913 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:43:35,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:43:35,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100031503] [2021-12-18 15:43:35,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100031503] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:43:35,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:43:35,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:43:35,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524909021] [2021-12-18 15:43:35,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:43:35,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:43:35,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:43:35,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:43:35,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:43:35,915 INFO L87 Difference]: Start difference. First operand 32082 states and 44661 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 15:43:42,579 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 15:43:47,769 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 15:43:49,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:43:49,367 INFO L93 Difference]: Finished difference Result 32082 states and 44661 transitions. [2021-12-18 15:43:49,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:43:49,368 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 103 [2021-12-18 15:43:49,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:43:49,522 INFO L225 Difference]: With dead ends: 32082 [2021-12-18 15:43:49,522 INFO L226 Difference]: Without dead ends: 32080 [2021-12-18 15:43:49,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:43:49,544 INFO L933 BasicCegarLoop]: 4849 mSDtfsCounter, 9532 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 5327 mSolverCounterSat, 6212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9753 SdHoareTripleChecker+Valid, 7711 SdHoareTripleChecker+Invalid, 11541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6212 IncrementalHoareTripleChecker+Valid, 5327 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:43:49,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9753 Valid, 7711 Invalid, 11541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6212 Valid, 5327 Invalid, 2 Unknown, 0 Unchecked, 12.4s Time] [2021-12-18 15:43:49,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32080 states. [2021-12-18 15:43:50,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32080 to 32080. [2021-12-18 15:43:50,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32080 states, 20937 states have (on average 1.2457372116349048) internal successors, (26082), 22016 states have internal predecessors, (26082), 9075 states have call successors, (9075), 2036 states have call predecessors, (9075), 2035 states have return successors, (9501), 8661 states have call predecessors, (9501), 9073 states have call successors, (9501) [2021-12-18 15:43:50,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32080 states to 32080 states and 44658 transitions. [2021-12-18 15:43:50,691 INFO L78 Accepts]: Start accepts. Automaton has 32080 states and 44658 transitions. Word has length 103 [2021-12-18 15:43:50,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:43:50,693 INFO L470 AbstractCegarLoop]: Abstraction has 32080 states and 44658 transitions. [2021-12-18 15:43:50,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 15:43:50,693 INFO L276 IsEmpty]: Start isEmpty. Operand 32080 states and 44658 transitions. [2021-12-18 15:43:50,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-12-18 15:43:50,695 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:43:50,695 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:43:50,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 15:43:50,696 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:43:50,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:43:50,696 INFO L85 PathProgramCache]: Analyzing trace with hash 935997996, now seen corresponding path program 1 times [2021-12-18 15:43:50,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:43:50,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195583896] [2021-12-18 15:43:50,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:43:50,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:43:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:50,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:43:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:50,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:43:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:50,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:43:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:50,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:43:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:50,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:43:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:50,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:43:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:50,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:43:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:50,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:43:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:50,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:43:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:50,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:43:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:51,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:43:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:51,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:43:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:51,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:43:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:43:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:51,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:43:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:51,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:43:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:43:51,063 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:43:51,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:43:51,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195583896] [2021-12-18 15:43:51,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195583896] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:43:51,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:43:51,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:43:51,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464692246] [2021-12-18 15:43:51,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:43:51,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:43:51,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:43:51,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:43:51,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:43:51,065 INFO L87 Difference]: Start difference. First operand 32080 states and 44658 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 15:43:58,911 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 15:44:03,800 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 15:44:05,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:44:05,431 INFO L93 Difference]: Finished difference Result 32080 states and 44658 transitions. [2021-12-18 15:44:05,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:44:05,431 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 109 [2021-12-18 15:44:05,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:44:05,543 INFO L225 Difference]: With dead ends: 32080 [2021-12-18 15:44:05,543 INFO L226 Difference]: Without dead ends: 32078 [2021-12-18 15:44:05,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:44:05,559 INFO L933 BasicCegarLoop]: 4847 mSDtfsCounter, 9526 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 5325 mSolverCounterSat, 6212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9746 SdHoareTripleChecker+Valid, 7709 SdHoareTripleChecker+Invalid, 11539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6212 IncrementalHoareTripleChecker+Valid, 5325 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:44:05,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9746 Valid, 7709 Invalid, 11539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6212 Valid, 5325 Invalid, 2 Unknown, 0 Unchecked, 13.3s Time] [2021-12-18 15:44:05,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32078 states. [2021-12-18 15:44:06,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32078 to 32078. [2021-12-18 15:44:06,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32078 states, 20936 states have (on average 1.2456534199465037) internal successors, (26079), 22014 states have internal predecessors, (26079), 9075 states have call successors, (9075), 2036 states have call predecessors, (9075), 2035 states have return successors, (9501), 8661 states have call predecessors, (9501), 9073 states have call successors, (9501) [2021-12-18 15:44:06,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32078 states to 32078 states and 44655 transitions. [2021-12-18 15:44:06,880 INFO L78 Accepts]: Start accepts. Automaton has 32078 states and 44655 transitions. Word has length 109 [2021-12-18 15:44:06,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:44:06,881 INFO L470 AbstractCegarLoop]: Abstraction has 32078 states and 44655 transitions. [2021-12-18 15:44:06,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 15:44:06,881 INFO L276 IsEmpty]: Start isEmpty. Operand 32078 states and 44655 transitions. [2021-12-18 15:44:06,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-18 15:44:06,883 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:44:06,883 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:44:06,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 15:44:06,883 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:44:06,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:44:06,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1686773401, now seen corresponding path program 1 times [2021-12-18 15:44:06,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:44:06,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477536357] [2021-12-18 15:44:06,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:44:06,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:44:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:07,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:44:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:07,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:44:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:07,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:44:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:07,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:44:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:07,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:44:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:07,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:44:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:07,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:44:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:44:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:07,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:44:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:07,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:44:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:07,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:44:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:07,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:44:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:44:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:07,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:44:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:07,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:44:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:07,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:44:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:07,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:44:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:07,196 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:44:07,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:44:07,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477536357] [2021-12-18 15:44:07,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477536357] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:44:07,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:44:07,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:44:07,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000860707] [2021-12-18 15:44:07,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:44:07,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:44:07,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:44:07,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:44:07,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:44:07,198 INFO L87 Difference]: Start difference. First operand 32078 states and 44655 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 15:44:14,495 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 15:44:19,315 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 15:44:20,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:44:20,544 INFO L93 Difference]: Finished difference Result 32078 states and 44655 transitions. [2021-12-18 15:44:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:44:20,544 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 115 [2021-12-18 15:44:20,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:44:20,666 INFO L225 Difference]: With dead ends: 32078 [2021-12-18 15:44:20,666 INFO L226 Difference]: Without dead ends: 32076 [2021-12-18 15:44:20,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:44:20,682 INFO L933 BasicCegarLoop]: 4845 mSDtfsCounter, 9520 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 5323 mSolverCounterSat, 6212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9739 SdHoareTripleChecker+Valid, 7707 SdHoareTripleChecker+Invalid, 11537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6212 IncrementalHoareTripleChecker+Valid, 5323 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:44:20,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9739 Valid, 7707 Invalid, 11537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6212 Valid, 5323 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2021-12-18 15:44:20,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32076 states. [2021-12-18 15:44:21,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32076 to 32076. [2021-12-18 15:44:21,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32076 states, 20935 states have (on average 1.2455696202531645) internal successors, (26076), 22012 states have internal predecessors, (26076), 9075 states have call successors, (9075), 2036 states have call predecessors, (9075), 2035 states have return successors, (9501), 8661 states have call predecessors, (9501), 9073 states have call successors, (9501) [2021-12-18 15:44:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32076 states to 32076 states and 44652 transitions. [2021-12-18 15:44:21,906 INFO L78 Accepts]: Start accepts. Automaton has 32076 states and 44652 transitions. Word has length 115 [2021-12-18 15:44:21,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:44:21,907 INFO L470 AbstractCegarLoop]: Abstraction has 32076 states and 44652 transitions. [2021-12-18 15:44:21,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 15:44:21,907 INFO L276 IsEmpty]: Start isEmpty. Operand 32076 states and 44652 transitions. [2021-12-18 15:44:21,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-18 15:44:21,909 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:44:21,909 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:44:21,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 15:44:21,909 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:44:21,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:44:21,910 INFO L85 PathProgramCache]: Analyzing trace with hash -478485767, now seen corresponding path program 1 times [2021-12-18 15:44:21,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:44:21,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211815529] [2021-12-18 15:44:21,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:44:21,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:44:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:44:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:44:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:44:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:44:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:44:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:44:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:44:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:44:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:44:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:44:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:44:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:44:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:44:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:44:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:44:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:44:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:44:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:44:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:22,229 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:44:22,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:44:22,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211815529] [2021-12-18 15:44:22,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211815529] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:44:22,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:44:22,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:44:22,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843890767] [2021-12-18 15:44:22,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:44:22,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:44:22,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:44:22,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:44:22,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:44:22,232 INFO L87 Difference]: Start difference. First operand 32076 states and 44652 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 15:44:33,021 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 15:44:35,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:44:43,342 WARN L534 Checker$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 15:44:45,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:44:48,900 WARN L534 Checker$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 15:44:51,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:44:51,510 INFO L93 Difference]: Finished difference Result 32424 states and 45027 transitions. [2021-12-18 15:44:51,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 15:44:51,510 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 121 [2021-12-18 15:44:51,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:44:51,622 INFO L225 Difference]: With dead ends: 32424 [2021-12-18 15:44:51,622 INFO L226 Difference]: Without dead ends: 32422 [2021-12-18 15:44:51,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:44:51,642 INFO L933 BasicCegarLoop]: 6836 mSDtfsCounter, 13036 mSDsluCounter, 5739 mSDsCounter, 0 mSdLazyCounter, 12733 mSolverCounterSat, 9483 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13252 SdHoareTripleChecker+Valid, 12575 SdHoareTripleChecker+Invalid, 22221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9483 IncrementalHoareTripleChecker+Valid, 12733 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2021-12-18 15:44:51,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13252 Valid, 12575 Invalid, 22221 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9483 Valid, 12733 Invalid, 5 Unknown, 0 Unchecked, 27.7s Time] [2021-12-18 15:44:51,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32422 states. [2021-12-18 15:44:52,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32422 to 32164. [2021-12-18 15:44:52,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32164 states, 20993 states have (on average 1.2449864240461106) internal successors, (26136), 22070 states have internal predecessors, (26136), 9093 states have call successors, (9093), 2048 states have call predecessors, (9093), 2047 states have return successors, (9519), 8679 states have call predecessors, (9519), 9091 states have call successors, (9519) [2021-12-18 15:44:52,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32164 states to 32164 states and 44748 transitions. [2021-12-18 15:44:52,898 INFO L78 Accepts]: Start accepts. Automaton has 32164 states and 44748 transitions. Word has length 121 [2021-12-18 15:44:52,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:44:52,899 INFO L470 AbstractCegarLoop]: Abstraction has 32164 states and 44748 transitions. [2021-12-18 15:44:52,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 15:44:52,899 INFO L276 IsEmpty]: Start isEmpty. Operand 32164 states and 44748 transitions. [2021-12-18 15:44:52,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-18 15:44:52,901 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:44:52,901 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:44:52,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 15:44:52,901 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:44:52,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:44:52,902 INFO L85 PathProgramCache]: Analyzing trace with hash 684232463, now seen corresponding path program 1 times [2021-12-18 15:44:52,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:44:52,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817545060] [2021-12-18 15:44:52,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:44:52,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:44:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:44:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:44:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:44:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:44:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:44:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:44:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:44:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:44:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:44:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:44:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:44:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:44:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:44:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:44:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:44:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 15:44:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 15:44:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 15:44:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:44:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-12-18 15:44:53,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:44:53,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817545060] [2021-12-18 15:44:53,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817545060] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:44:53,343 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:44:53,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 15:44:53,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588804905] [2021-12-18 15:44:53,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:44:53,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 15:44:53,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:44:53,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 15:44:53,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:44:53,344 INFO L87 Difference]: Start difference. First operand 32164 states and 44748 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 4 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-18 15:45:08,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:45:10,023 WARN L534 Checker$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 15:45:12,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:45:15,083 WARN L534 Checker$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 15:45:17,102 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:45:19,118 WARN L534 Checker$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 15:45:21,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:45:29,533 WARN L534 Checker$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 15:45:31,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:45:33,551 WARN L534 Checker$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 15:45:35,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:45:42,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:45:44,528 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 15:45:47,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:45:47,164 INFO L93 Difference]: Finished difference Result 48127 states and 66795 transitions. [2021-12-18 15:45:47,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-18 15:45:47,165 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 4 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 124 [2021-12-18 15:45:47,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:45:47,324 INFO L225 Difference]: With dead ends: 48127 [2021-12-18 15:45:47,325 INFO L226 Difference]: Without dead ends: 47832 [2021-12-18 15:45:47,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-12-18 15:45:47,352 INFO L933 BasicCegarLoop]: 6725 mSDtfsCounter, 12687 mSDsluCounter, 10408 mSDsCounter, 0 mSdLazyCounter, 25000 mSolverCounterSat, 9501 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12844 SdHoareTripleChecker+Valid, 17133 SdHoareTripleChecker+Invalid, 34514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9501 IncrementalHoareTripleChecker+Valid, 25000 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.7s IncrementalHoareTripleChecker+Time [2021-12-18 15:45:47,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12844 Valid, 17133 Invalid, 34514 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9501 Valid, 25000 Invalid, 13 Unknown, 0 Unchecked, 51.7s Time] [2021-12-18 15:45:47,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47832 states. [2021-12-18 15:45:49,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47832 to 47518. [2021-12-18 15:45:49,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47518 states, 31017 states have (on average 1.2454782861011704) internal successors, (38631), 32600 states have internal predecessors, (38631), 13438 states have call successors, (13438), 3033 states have call predecessors, (13438), 3032 states have return successors, (14068), 12822 states have call predecessors, (14068), 13436 states have call successors, (14068) [2021-12-18 15:45:49,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47518 states to 47518 states and 66137 transitions. [2021-12-18 15:45:49,384 INFO L78 Accepts]: Start accepts. Automaton has 47518 states and 66137 transitions. Word has length 124 [2021-12-18 15:45:49,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:45:49,385 INFO L470 AbstractCegarLoop]: Abstraction has 47518 states and 66137 transitions. [2021-12-18 15:45:49,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 4 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-18 15:45:49,386 INFO L276 IsEmpty]: Start isEmpty. Operand 47518 states and 66137 transitions. [2021-12-18 15:45:49,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-18 15:45:49,388 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:45:49,388 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:45:49,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 15:45:49,389 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:45:49,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:45:49,389 INFO L85 PathProgramCache]: Analyzing trace with hash 769509044, now seen corresponding path program 1 times [2021-12-18 15:45:49,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:45:49,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400158419] [2021-12-18 15:45:49,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:45:49,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:45:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:45:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:45:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:45:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:45:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:45:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:45:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:45:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:45:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 15:45:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:45:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 15:45:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 15:45:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 15:45:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-18 15:45:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:45:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 15:45:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:45:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:45:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 15:45:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:45:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-12-18 15:45:49,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:45:49,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400158419] [2021-12-18 15:45:49,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400158419] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:45:49,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:45:49,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 15:45:49,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859609178] [2021-12-18 15:45:49,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:45:49,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 15:45:49,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:45:49,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 15:45:49,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:45:49,784 INFO L87 Difference]: Start difference. First operand 47518 states and 66137 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-18 15:45:58,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:45:58,791 INFO L93 Difference]: Finished difference Result 69615 states and 98023 transitions. [2021-12-18 15:45:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 15:45:58,792 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 126 [2021-12-18 15:45:58,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:45:59,004 INFO L225 Difference]: With dead ends: 69615 [2021-12-18 15:45:59,004 INFO L226 Difference]: Without dead ends: 53435 [2021-12-18 15:45:59,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:45:59,103 INFO L933 BasicCegarLoop]: 6553 mSDtfsCounter, 3249 mSDsluCounter, 28965 mSDsCounter, 0 mSdLazyCounter, 6984 mSolverCounterSat, 2452 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3687 SdHoareTripleChecker+Valid, 35518 SdHoareTripleChecker+Invalid, 9436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2452 IncrementalHoareTripleChecker+Valid, 6984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:45:59,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3687 Valid, 35518 Invalid, 9436 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2452 Valid, 6984 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2021-12-18 15:45:59,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53435 states. [2021-12-18 15:46:01,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53435 to 48569. [2021-12-18 15:46:01,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48569 states, 31785 states have (on average 1.242315557652981) internal successors, (39487), 33368 states have internal predecessors, (39487), 13476 states have call successors, (13476), 3020 states have call predecessors, (13476), 3277 states have return successors, (14866), 13100 states have call predecessors, (14866), 13474 states have call successors, (14866) [2021-12-18 15:46:01,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48569 states to 48569 states and 67829 transitions. [2021-12-18 15:46:01,425 INFO L78 Accepts]: Start accepts. Automaton has 48569 states and 67829 transitions. Word has length 126 [2021-12-18 15:46:01,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:46:01,425 INFO L470 AbstractCegarLoop]: Abstraction has 48569 states and 67829 transitions. [2021-12-18 15:46:01,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-18 15:46:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 48569 states and 67829 transitions. [2021-12-18 15:46:01,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-18 15:46:01,427 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:46:01,427 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:46:01,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 15:46:01,427 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:46:01,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:46:01,428 INFO L85 PathProgramCache]: Analyzing trace with hash 626340017, now seen corresponding path program 1 times [2021-12-18 15:46:01,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:46:01,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686645329] [2021-12-18 15:46:01,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:46:01,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:46:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:46:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:46:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:46:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:46:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:46:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:46:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:46:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:46:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:46:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:46:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:46:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:46:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:46:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:46:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:46:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:46:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:46:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:46:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:46:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:01,949 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:46:01,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:46:01,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686645329] [2021-12-18 15:46:01,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686645329] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:46:01,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:46:01,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:46:01,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502300711] [2021-12-18 15:46:01,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:46:01,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:46:01,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:46:01,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:46:01,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:46:01,950 INFO L87 Difference]: Start difference. First operand 48569 states and 67829 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 15:46:14,073 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 15:46:16,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:46:18,729 WARN L534 Checker$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 15:46:25,274 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:46:27,295 WARN L534 Checker$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 15:46:33,005 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 15:46:34,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:46:34,439 INFO L93 Difference]: Finished difference Result 48682 states and 67926 transitions. [2021-12-18 15:46:34,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 15:46:34,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 127 [2021-12-18 15:46:34,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:46:34,633 INFO L225 Difference]: With dead ends: 48682 [2021-12-18 15:46:34,633 INFO L226 Difference]: Without dead ends: 48680 [2021-12-18 15:46:34,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:46:34,655 INFO L933 BasicCegarLoop]: 9386 mSDtfsCounter, 9397 mSDsluCounter, 7062 mSDsCounter, 0 mSdLazyCounter, 14354 mSolverCounterSat, 8141 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9568 SdHoareTripleChecker+Valid, 16448 SdHoareTripleChecker+Invalid, 22501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8141 IncrementalHoareTripleChecker+Valid, 14354 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2021-12-18 15:46:34,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9568 Valid, 16448 Invalid, 22501 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8141 Valid, 14354 Invalid, 6 Unknown, 0 Unchecked, 30.7s Time] [2021-12-18 15:46:34,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48680 states. [2021-12-18 15:46:36,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48680 to 48589. [2021-12-18 15:46:36,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48589 states, 31797 states have (on average 1.242192659684876) internal successors, (39498), 33380 states have internal predecessors, (39498), 13480 states have call successors, (13480), 3024 states have call predecessors, (13480), 3281 states have return successors, (14870), 13104 states have call predecessors, (14870), 13478 states have call successors, (14870) [2021-12-18 15:46:36,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48589 states to 48589 states and 67848 transitions. [2021-12-18 15:46:36,958 INFO L78 Accepts]: Start accepts. Automaton has 48589 states and 67848 transitions. Word has length 127 [2021-12-18 15:46:36,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:46:36,959 INFO L470 AbstractCegarLoop]: Abstraction has 48589 states and 67848 transitions. [2021-12-18 15:46:36,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 15:46:36,960 INFO L276 IsEmpty]: Start isEmpty. Operand 48589 states and 67848 transitions. [2021-12-18 15:46:36,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-12-18 15:46:36,961 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:46:36,961 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:46:36,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 15:46:36,962 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_usb_gadget_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:46:36,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:46:36,962 INFO L85 PathProgramCache]: Analyzing trace with hash 509817372, now seen corresponding path program 1 times [2021-12-18 15:46:36,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:46:36,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566693153] [2021-12-18 15:46:36,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:46:36,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:46:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:46:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:46:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:46:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:46:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:46:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:46:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:46:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:46:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:46:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:46:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:46:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:46:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:46:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:46:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:46:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 15:46:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 15:46:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 15:46:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 15:46:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:37,351 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-12-18 15:46:37,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:46:37,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566693153] [2021-12-18 15:46:37,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566693153] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:46:37,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:46:37,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 15:46:37,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184703322] [2021-12-18 15:46:37,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:46:37,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 15:46:37,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:46:37,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 15:46:37,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 15:46:37,354 INFO L87 Difference]: Start difference. First operand 48589 states and 67848 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 4 states have internal predecessors, (65), 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 15:46:44,994 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 15:46:50,660 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 15:46:52,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:46:52,343 INFO L93 Difference]: Finished difference Result 48621 states and 67886 transitions. [2021-12-18 15:46:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 15:46:52,344 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 4 states have internal predecessors, (65), 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 129 [2021-12-18 15:46:52,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:46:52,570 INFO L225 Difference]: With dead ends: 48621 [2021-12-18 15:46:52,571 INFO L226 Difference]: Without dead ends: 48619 [2021-12-18 15:46:52,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 15:46:52,599 INFO L933 BasicCegarLoop]: 4842 mSDtfsCounter, 12449 mSDsluCounter, 3342 mSDsCounter, 0 mSdLazyCounter, 5567 mSolverCounterSat, 8359 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12668 SdHoareTripleChecker+Valid, 8184 SdHoareTripleChecker+Invalid, 13928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8359 IncrementalHoareTripleChecker+Valid, 5567 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:46:52,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12668 Valid, 8184 Invalid, 13928 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8359 Valid, 5567 Invalid, 2 Unknown, 0 Unchecked, 13.3s Time] [2021-12-18 15:46:52,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48619 states. [2021-12-18 15:46:54,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48619 to 48595. [2021-12-18 15:46:54,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48595 states, 31800 states have (on average 1.2417924528301887) internal successors, (39489), 33386 states have internal predecessors, (39489), 13480 states have call successors, (13480), 3024 states have call predecessors, (13480), 3285 states have return successors, (14876), 13104 states have call predecessors, (14876), 13478 states have call successors, (14876) [2021-12-18 15:46:55,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48595 states to 48595 states and 67845 transitions. [2021-12-18 15:46:55,040 INFO L78 Accepts]: Start accepts. Automaton has 48595 states and 67845 transitions. Word has length 129 [2021-12-18 15:46:55,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:46:55,040 INFO L470 AbstractCegarLoop]: Abstraction has 48595 states and 67845 transitions. [2021-12-18 15:46:55,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 4 states have internal predecessors, (65), 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 15:46:55,041 INFO L276 IsEmpty]: Start isEmpty. Operand 48595 states and 67845 transitions. [2021-12-18 15:46:55,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-18 15:46:55,042 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:46:55,042 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:46:55,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 15:46:55,043 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:46:55,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:46:55,043 INFO L85 PathProgramCache]: Analyzing trace with hash 727529939, now seen corresponding path program 1 times [2021-12-18 15:46:55,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:46:55,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75480066] [2021-12-18 15:46:55,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:46:55,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:46:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:46:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:46:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:46:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:46:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:46:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:46:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:46:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:46:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:46:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:46:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:46:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:46:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:46:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:46:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 15:46:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 15:46:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 15:46:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 15:46:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 15:46:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 15:46:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:46:55,731 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-12-18 15:46:55,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:46:55,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75480066] [2021-12-18 15:46:55,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75480066] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:46:55,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:46:55,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-12-18 15:46:55,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556960284] [2021-12-18 15:46:55,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:46:55,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-18 15:46:55,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:46:55,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-18 15:46:55,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2021-12-18 15:46:55,733 INFO L87 Difference]: Start difference. First operand 48595 states and 67845 transitions. Second operand has 22 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 18 states have internal predecessors, (69), 7 states have call successors, (19), 5 states have call predecessors, (19), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2021-12-18 15:47:26,445 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 15:47:28,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:47:30,504 WARN L534 Checker$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 15:47:32,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:47:34,554 WARN L534 Checker$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 15:47:36,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:47:38,593 WARN L534 Checker$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 15:47:40,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:47:42,626 WARN L534 Checker$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 15:47:44,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:47:46,672 WARN L534 Checker$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 15:47:48,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:47:50,722 WARN L534 Checker$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 15:47:52,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:47:54,760 WARN L534 Checker$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 15:47:56,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:47:58,793 WARN L534 Checker$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 15:48:14,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:48:16,917 WARN L534 Checker$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 15:48:18,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:48:20,945 WARN L534 Checker$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 15:48:22,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:48:24,984 WARN L534 Checker$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 15:48:26,995 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:48:29,008 WARN L534 Checker$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 15:48:31,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:48:33,086 WARN L534 Checker$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 15:48:35,095 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:48:37,113 WARN L534 Checker$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 15:48:39,127 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:48:41,136 WARN L534 Checker$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 15:48:43,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:48:45,159 WARN L534 Checker$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 15:48:47,166 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 15:48:56,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:48:56,711 INFO L93 Difference]: Finished difference Result 64820 states and 90461 transitions. [2021-12-18 15:48:56,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-18 15:48:56,712 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 18 states have internal predecessors, (69), 7 states have call successors, (19), 5 states have call predecessors, (19), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 132 [2021-12-18 15:48:56,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:48:56,848 INFO L225 Difference]: With dead ends: 64820 [2021-12-18 15:48:56,848 INFO L226 Difference]: Without dead ends: 32944 [2021-12-18 15:48:56,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=368, Invalid=1984, Unknown=0, NotChecked=0, Total=2352 [2021-12-18 15:48:56,968 INFO L933 BasicCegarLoop]: 4910 mSDtfsCounter, 8944 mSDsluCounter, 34312 mSDsCounter, 0 mSdLazyCounter, 68838 mSolverCounterSat, 7017 mSolverCounterUnsat, 34 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 111.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8970 SdHoareTripleChecker+Valid, 39222 SdHoareTripleChecker+Invalid, 75889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 7017 IncrementalHoareTripleChecker+Valid, 68838 IncrementalHoareTripleChecker+Invalid, 34 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 118.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:48:56,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8970 Valid, 39222 Invalid, 75889 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [7017 Valid, 68838 Invalid, 34 Unknown, 0 Unchecked, 118.1s Time] [2021-12-18 15:48:56,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32944 states. [2021-12-18 15:48:58,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32944 to 32862. [2021-12-18 15:48:58,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32862 states, 21499 states have (on average 1.2403367598492954) internal successors, (26666), 22575 states have internal predecessors, (26666), 9103 states have call successors, (9103), 2055 states have call predecessors, (9103), 2230 states have return successors, (10041), 8849 states have call predecessors, (10041), 9101 states have call successors, (10041) [2021-12-18 15:48:58,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32862 states to 32862 states and 45810 transitions. [2021-12-18 15:48:58,494 INFO L78 Accepts]: Start accepts. Automaton has 32862 states and 45810 transitions. Word has length 132 [2021-12-18 15:48:58,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:48:58,494 INFO L470 AbstractCegarLoop]: Abstraction has 32862 states and 45810 transitions. [2021-12-18 15:48:58,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 18 states have internal predecessors, (69), 7 states have call successors, (19), 5 states have call predecessors, (19), 3 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2021-12-18 15:48:58,495 INFO L276 IsEmpty]: Start isEmpty. Operand 32862 states and 45810 transitions. [2021-12-18 15:48:58,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-18 15:48:58,496 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:48:58,496 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:48:58,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 15:48:58,496 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:48:58,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:48:58,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1369892105, now seen corresponding path program 1 times [2021-12-18 15:48:58,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:48:58,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751319278] [2021-12-18 15:48:58,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:48:58,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:48:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:48:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:48:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:48:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:48:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:48:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:48:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:48:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:48:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:48:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:48:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:48:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:48:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:48:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:48:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:48:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:48:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 15:48:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:48:58,844 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:48:58,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:48:58,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751319278] [2021-12-18 15:48:58,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751319278] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:48:58,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:48:58,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:48:58,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267488543] [2021-12-18 15:48:58,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:48:58,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:48:58,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:48:58,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:48:58,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:48:58,847 INFO L87 Difference]: Start difference. First operand 32862 states and 45810 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 15:49:05,605 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 15:49:10,668 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 15:49:12,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:49:12,339 INFO L93 Difference]: Finished difference Result 32862 states and 45810 transitions. [2021-12-18 15:49:12,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:49:12,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 133 [2021-12-18 15:49:12,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:49:12,454 INFO L225 Difference]: With dead ends: 32862 [2021-12-18 15:49:12,454 INFO L226 Difference]: Without dead ends: 32860 [2021-12-18 15:49:12,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:49:12,474 INFO L933 BasicCegarLoop]: 4841 mSDtfsCounter, 9508 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 5319 mSolverCounterSat, 6212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9724 SdHoareTripleChecker+Valid, 7703 SdHoareTripleChecker+Invalid, 11533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6212 IncrementalHoareTripleChecker+Valid, 5319 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:49:12,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9724 Valid, 7703 Invalid, 11533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6212 Valid, 5319 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2021-12-18 15:49:12,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32860 states. [2021-12-18 15:49:13,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32860 to 32860. [2021-12-18 15:49:13,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32860 states, 21498 states have (on average 1.2402549074332496) internal successors, (26663), 22573 states have internal predecessors, (26663), 9103 states have call successors, (9103), 2055 states have call predecessors, (9103), 2230 states have return successors, (10041), 8849 states have call predecessors, (10041), 9101 states have call successors, (10041) [2021-12-18 15:49:13,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32860 states to 32860 states and 45807 transitions. [2021-12-18 15:49:13,926 INFO L78 Accepts]: Start accepts. Automaton has 32860 states and 45807 transitions. Word has length 133 [2021-12-18 15:49:13,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:49:13,931 INFO L470 AbstractCegarLoop]: Abstraction has 32860 states and 45807 transitions. [2021-12-18 15:49:13,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 15:49:13,931 INFO L276 IsEmpty]: Start isEmpty. Operand 32860 states and 45807 transitions. [2021-12-18 15:49:13,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-18 15:49:13,932 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:49:13,933 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:49:13,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 15:49:13,933 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:49:13,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:49:13,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1630997705, now seen corresponding path program 1 times [2021-12-18 15:49:13,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:49:13,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369698625] [2021-12-18 15:49:13,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:13,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:49:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:49:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:49:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 15:49:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:49:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:49:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 15:49:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 15:49:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:49:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:49:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 15:49:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:49:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 15:49:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:49:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 15:49:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:14,269 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-12-18 15:49:14,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:49:14,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369698625] [2021-12-18 15:49:14,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369698625] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:49:14,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:49:14,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 15:49:14,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274844171] [2021-12-18 15:49:14,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:49:14,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 15:49:14,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:49:14,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 15:49:14,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 15:49:14,272 INFO L87 Difference]: Start difference. First operand 32860 states and 45807 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 3 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 15:49:24,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:49:24,413 INFO L93 Difference]: Finished difference Result 34975 states and 49135 transitions. [2021-12-18 15:49:24,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:49:24,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 3 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 132 [2021-12-18 15:49:24,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:49:24,526 INFO L225 Difference]: With dead ends: 34975 [2021-12-18 15:49:24,526 INFO L226 Difference]: Without dead ends: 34973 [2021-12-18 15:49:24,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:49:24,542 INFO L933 BasicCegarLoop]: 8990 mSDtfsCounter, 6801 mSDsluCounter, 16241 mSDsCounter, 0 mSdLazyCounter, 5406 mSolverCounterSat, 2830 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7629 SdHoareTripleChecker+Valid, 25231 SdHoareTripleChecker+Invalid, 8236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2830 IncrementalHoareTripleChecker+Valid, 5406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:49:24,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7629 Valid, 25231 Invalid, 8236 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2830 Valid, 5406 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2021-12-18 15:49:24,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34973 states. [2021-12-18 15:49:25,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34973 to 32872. [2021-12-18 15:49:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32872 states, 21506 states have (on average 1.2401655351994791) internal successors, (26671), 22577 states have internal predecessors, (26671), 9107 states have call successors, (9107), 2059 states have call predecessors, (9107), 2230 states have return successors, (10045), 8853 states have call predecessors, (10045), 9105 states have call successors, (10045) [2021-12-18 15:49:26,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32872 states to 32872 states and 45823 transitions. [2021-12-18 15:49:26,094 INFO L78 Accepts]: Start accepts. Automaton has 32872 states and 45823 transitions. Word has length 132 [2021-12-18 15:49:26,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:49:26,096 INFO L470 AbstractCegarLoop]: Abstraction has 32872 states and 45823 transitions. [2021-12-18 15:49:26,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 3 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 15:49:26,096 INFO L276 IsEmpty]: Start isEmpty. Operand 32872 states and 45823 transitions. [2021-12-18 15:49:26,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-18 15:49:26,103 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:49:26,104 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:49:26,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 15:49:26,105 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:49:26,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:49:26,105 INFO L85 PathProgramCache]: Analyzing trace with hash -774925170, now seen corresponding path program 1 times [2021-12-18 15:49:26,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:49:26,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276954464] [2021-12-18 15:49:26,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:49:26,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:49:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:49:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:49:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 15:49:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:49:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:49:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:49:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 15:49:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 15:49:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 15:49:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:49:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:49:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:49:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:49:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:49:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:49:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:49:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 15:49:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:49:26,437 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:49:26,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:49:26,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276954464] [2021-12-18 15:49:26,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276954464] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:49:26,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:49:26,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 15:49:26,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781024830] [2021-12-18 15:49:26,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:49:26,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 15:49:26,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:49:26,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 15:49:26,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-18 15:49:26,440 INFO L87 Difference]: Start difference. First operand 32872 states and 45823 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-12-18 15:49:40,121 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 15:49:42,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:49:44,176 WARN L534 Checker$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 15:49:46,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:49:48,222 WARN L534 Checker$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 15:49:56,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:49:58,101 WARN L534 Checker$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 15:50:00,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:50:02,140 WARN L534 Checker$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 15:50:04,160 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 15:50:07,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:07,233 INFO L93 Difference]: Finished difference Result 33094 states and 46091 transitions. [2021-12-18 15:50:07,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:50:07,233 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 133 [2021-12-18 15:50:07,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:07,337 INFO L225 Difference]: With dead ends: 33094 [2021-12-18 15:50:07,337 INFO L226 Difference]: Without dead ends: 32912 [2021-12-18 15:50:07,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-12-18 15:50:07,354 INFO L933 BasicCegarLoop]: 5593 mSDtfsCounter, 8195 mSDsluCounter, 9385 mSDsCounter, 0 mSdLazyCounter, 21359 mSolverCounterSat, 6187 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8195 SdHoareTripleChecker+Valid, 14978 SdHoareTripleChecker+Invalid, 27556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6187 IncrementalHoareTripleChecker+Valid, 21359 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:07,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8195 Valid, 14978 Invalid, 27556 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6187 Valid, 21359 Invalid, 10 Unknown, 0 Unchecked, 39.3s Time] [2021-12-18 15:50:07,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32912 states. [2021-12-18 15:50:08,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32912 to 32847. [2021-12-18 15:50:08,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32847 states, 21490 states have (on average 1.2402978129362494) internal successors, (26654), 22560 states have internal predecessors, (26654), 9101 states have call successors, (9101), 2056 states have call predecessors, (9101), 2227 states have return successors, (10039), 8848 states have call predecessors, (10039), 9099 states have call successors, (10039) [2021-12-18 15:50:08,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32847 states to 32847 states and 45794 transitions. [2021-12-18 15:50:08,899 INFO L78 Accepts]: Start accepts. Automaton has 32847 states and 45794 transitions. Word has length 133 [2021-12-18 15:50:08,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:08,900 INFO L470 AbstractCegarLoop]: Abstraction has 32847 states and 45794 transitions. [2021-12-18 15:50:08,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-12-18 15:50:08,900 INFO L276 IsEmpty]: Start isEmpty. Operand 32847 states and 45794 transitions. [2021-12-18 15:50:08,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-12-18 15:50:08,901 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:08,901 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:50:08,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 15:50:08,902 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:50:08,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:08,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1006195676, now seen corresponding path program 1 times [2021-12-18 15:50:08,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:08,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758465427] [2021-12-18 15:50:08,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:08,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:50:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:50:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:50:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:50:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:50:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:50:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:50:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:50:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:50:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:50:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:50:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:50:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:50:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:50:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 15:50:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 15:50:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:09,271 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:50:09,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:09,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758465427] [2021-12-18 15:50:09,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758465427] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:09,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:50:09,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:50:09,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527407249] [2021-12-18 15:50:09,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:09,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:50:09,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:09,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:50:09,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:50:09,274 INFO L87 Difference]: Start difference. First operand 32847 states and 45794 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 15:50:16,570 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 15:50:21,015 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 15:50:22,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:22,409 INFO L93 Difference]: Finished difference Result 32847 states and 45794 transitions. [2021-12-18 15:50:22,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:50:22,411 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 139 [2021-12-18 15:50:22,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:22,517 INFO L225 Difference]: With dead ends: 32847 [2021-12-18 15:50:22,517 INFO L226 Difference]: Without dead ends: 32845 [2021-12-18 15:50:22,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:50:22,538 INFO L933 BasicCegarLoop]: 4839 mSDtfsCounter, 9506 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 5313 mSolverCounterSat, 6212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9721 SdHoareTripleChecker+Valid, 7701 SdHoareTripleChecker+Invalid, 11527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6212 IncrementalHoareTripleChecker+Valid, 5313 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:22,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9721 Valid, 7701 Invalid, 11527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6212 Valid, 5313 Invalid, 2 Unknown, 0 Unchecked, 11.7s Time] [2021-12-18 15:50:22,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32845 states. [2021-12-18 15:50:23,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32845 to 32845. [2021-12-18 15:50:23,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32845 states, 21489 states have (on average 1.2402159244264508) internal successors, (26651), 22558 states have internal predecessors, (26651), 9101 states have call successors, (9101), 2056 states have call predecessors, (9101), 2227 states have return successors, (10039), 8848 states have call predecessors, (10039), 9099 states have call successors, (10039) [2021-12-18 15:50:23,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32845 states to 32845 states and 45791 transitions. [2021-12-18 15:50:23,980 INFO L78 Accepts]: Start accepts. Automaton has 32845 states and 45791 transitions. Word has length 139 [2021-12-18 15:50:23,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:23,981 INFO L470 AbstractCegarLoop]: Abstraction has 32845 states and 45791 transitions. [2021-12-18 15:50:23,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 15:50:23,981 INFO L276 IsEmpty]: Start isEmpty. Operand 32845 states and 45791 transitions. [2021-12-18 15:50:23,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-12-18 15:50:23,982 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:23,982 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:50:23,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 15:50:23,983 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:50:23,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:23,983 INFO L85 PathProgramCache]: Analyzing trace with hash 586652159, now seen corresponding path program 1 times [2021-12-18 15:50:23,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:23,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434217787] [2021-12-18 15:50:23,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:23,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:50:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:50:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:50:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:50:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:50:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:50:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:50:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:50:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:50:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:50:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:50:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:50:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:50:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:50:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 15:50:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 15:50:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:24,403 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:50:24,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:24,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434217787] [2021-12-18 15:50:24,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434217787] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:24,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:50:24,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:50:24,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404158661] [2021-12-18 15:50:24,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:24,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:50:24,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:24,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:50:24,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:50:24,405 INFO L87 Difference]: Start difference. First operand 32845 states and 45791 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 15:50:31,295 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 15:50:36,201 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 15:50:38,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:50:38,002 INFO L93 Difference]: Finished difference Result 32845 states and 45791 transitions. [2021-12-18 15:50:38,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:50:38,004 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 141 [2021-12-18 15:50:38,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:50:38,110 INFO L225 Difference]: With dead ends: 32845 [2021-12-18 15:50:38,110 INFO L226 Difference]: Without dead ends: 32843 [2021-12-18 15:50:38,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:50:38,135 INFO L933 BasicCegarLoop]: 4837 mSDtfsCounter, 9494 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 5315 mSolverCounterSat, 6212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9709 SdHoareTripleChecker+Valid, 7699 SdHoareTripleChecker+Invalid, 11529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6212 IncrementalHoareTripleChecker+Valid, 5315 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:50:38,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9709 Valid, 7699 Invalid, 11529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6212 Valid, 5315 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2021-12-18 15:50:38,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32843 states. [2021-12-18 15:50:39,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32843 to 32843. [2021-12-18 15:50:39,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32843 states, 21488 states have (on average 1.2401340282948623) internal successors, (26648), 22556 states have internal predecessors, (26648), 9101 states have call successors, (9101), 2056 states have call predecessors, (9101), 2227 states have return successors, (10039), 8848 states have call predecessors, (10039), 9099 states have call successors, (10039) [2021-12-18 15:50:39,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32843 states to 32843 states and 45788 transitions. [2021-12-18 15:50:39,712 INFO L78 Accepts]: Start accepts. Automaton has 32843 states and 45788 transitions. Word has length 141 [2021-12-18 15:50:39,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:50:39,712 INFO L470 AbstractCegarLoop]: Abstraction has 32843 states and 45788 transitions. [2021-12-18 15:50:39,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 15:50:39,712 INFO L276 IsEmpty]: Start isEmpty. Operand 32843 states and 45788 transitions. [2021-12-18 15:50:39,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-12-18 15:50:39,713 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:50:39,713 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:50:39,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-18 15:50:39,714 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_usb_gadget_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:50:39,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:50:39,714 INFO L85 PathProgramCache]: Analyzing trace with hash -186887174, now seen corresponding path program 1 times [2021-12-18 15:50:39,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:50:39,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485638030] [2021-12-18 15:50:39,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:50:39,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:50:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:39,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:50:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:39,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:50:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:39,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:39,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:39,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 15:50:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:39,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:50:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:39,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:39,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:50:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:39,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:50:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:39,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 15:50:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:39,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:39,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 15:50:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:39,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:50:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:39,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:50:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:39,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 15:50:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:40,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:50:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:40,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 15:50:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:40,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:50:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:40,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:50:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:40,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 15:50:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:40,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:50:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:50:40,061 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-12-18 15:50:40,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:50:40,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485638030] [2021-12-18 15:50:40,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485638030] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:50:40,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:50:40,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:50:40,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116956574] [2021-12-18 15:50:40,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:50:40,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:50:40,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:50:40,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:50:40,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:50:40,063 INFO L87 Difference]: Start difference. First operand 32843 states and 45788 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 15:50:49,302 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 15:50:51,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:50:57,399 WARN L534 Checker$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 15:50:59,422 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 15:51:01,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:51:01,720 INFO L93 Difference]: Finished difference Result 34889 states and 49064 transitions. [2021-12-18 15:51:01,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:51:01,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 138 [2021-12-18 15:51:01,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:51:01,828 INFO L225 Difference]: With dead ends: 34889 [2021-12-18 15:51:01,828 INFO L226 Difference]: Without dead ends: 34887 [2021-12-18 15:51:01,847 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:51:01,847 INFO L933 BasicCegarLoop]: 4872 mSDtfsCounter, 8438 mSDsluCounter, 2947 mSDsCounter, 0 mSdLazyCounter, 8162 mSolverCounterSat, 6145 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8667 SdHoareTripleChecker+Valid, 7819 SdHoareTripleChecker+Invalid, 14311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6145 IncrementalHoareTripleChecker+Valid, 8162 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:51:01,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8667 Valid, 7819 Invalid, 14311 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6145 Valid, 8162 Invalid, 4 Unknown, 0 Unchecked, 20.1s Time] [2021-12-18 15:51:01,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34887 states. [2021-12-18 15:51:03,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34887 to 32841. [2021-12-18 15:51:03,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32841 states, 21487 states have (on average 1.239959045003956) internal successors, (26643), 22554 states have internal predecessors, (26643), 9101 states have call successors, (9101), 2056 states have call predecessors, (9101), 2227 states have return successors, (10039), 8848 states have call predecessors, (10039), 9099 states have call successors, (10039) [2021-12-18 15:51:03,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32841 states to 32841 states and 45783 transitions. [2021-12-18 15:51:03,514 INFO L78 Accepts]: Start accepts. Automaton has 32841 states and 45783 transitions. Word has length 138 [2021-12-18 15:51:03,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:51:03,514 INFO L470 AbstractCegarLoop]: Abstraction has 32841 states and 45783 transitions. [2021-12-18 15:51:03,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 15:51:03,514 INFO L276 IsEmpty]: Start isEmpty. Operand 32841 states and 45783 transitions. [2021-12-18 15:51:03,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-12-18 15:51:03,515 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:51:03,516 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:51:03,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-18 15:51:03,516 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:51:03,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:51:03,516 INFO L85 PathProgramCache]: Analyzing trace with hash 673694671, now seen corresponding path program 1 times [2021-12-18 15:51:03,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:51:03,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904978164] [2021-12-18 15:51:03,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:51:03,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:51:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:51:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:51:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:51:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:51:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:51:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:51:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:51:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:51:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:51:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:51:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:51:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:51:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:51:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:51:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:51:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:51:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 15:51:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 15:51:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 15:51:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:51:03,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:51:03,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904978164] [2021-12-18 15:51:03,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904978164] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:51:03,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:51:03,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:51:03,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009430416] [2021-12-18 15:51:03,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:51:03,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:51:03,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:51:03,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:51:03,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:51:03,805 INFO L87 Difference]: Start difference. First operand 32841 states and 45783 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 15:51:11,239 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 15:51:16,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:51:18,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:51:18,182 INFO L93 Difference]: Finished difference Result 32841 states and 45783 transitions. [2021-12-18 15:51:18,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:51:18,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 147 [2021-12-18 15:51:18,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:51:18,277 INFO L225 Difference]: With dead ends: 32841 [2021-12-18 15:51:18,277 INFO L226 Difference]: Without dead ends: 32839 [2021-12-18 15:51:18,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:51:18,294 INFO L933 BasicCegarLoop]: 4833 mSDtfsCounter, 9484 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 5311 mSolverCounterSat, 6212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9698 SdHoareTripleChecker+Valid, 7695 SdHoareTripleChecker+Invalid, 11525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6212 IncrementalHoareTripleChecker+Valid, 5311 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-12-18 15:51:18,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9698 Valid, 7695 Invalid, 11525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6212 Valid, 5311 Invalid, 2 Unknown, 0 Unchecked, 13.0s Time] [2021-12-18 15:51:18,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32839 states. [2021-12-18 15:51:19,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32839 to 32839. [2021-12-18 15:51:19,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32839 states, 21486 states have (on average 1.2398771292934934) internal successors, (26640), 22552 states have internal predecessors, (26640), 9101 states have call successors, (9101), 2056 states have call predecessors, (9101), 2227 states have return successors, (10039), 8848 states have call predecessors, (10039), 9099 states have call successors, (10039) [2021-12-18 15:51:19,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32839 states to 32839 states and 45780 transitions. [2021-12-18 15:51:19,943 INFO L78 Accepts]: Start accepts. Automaton has 32839 states and 45780 transitions. Word has length 147 [2021-12-18 15:51:19,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:51:19,943 INFO L470 AbstractCegarLoop]: Abstraction has 32839 states and 45780 transitions. [2021-12-18 15:51:19,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 15:51:19,943 INFO L276 IsEmpty]: Start isEmpty. Operand 32839 states and 45780 transitions. [2021-12-18 15:51:19,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-12-18 15:51:19,944 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:51:19,945 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:51:19,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-18 15:51:19,945 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:51:19,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:51:19,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1144047159, now seen corresponding path program 1 times [2021-12-18 15:51:19,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:51:19,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519238151] [2021-12-18 15:51:19,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:51:19,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:51:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:51:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:51:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:51:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:51:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:51:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:51:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:51:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:51:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:51:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:51:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:51:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:51:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:51:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:51:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:51:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:51:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 15:51:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 15:51:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 15:51:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:51:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:20,224 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:51:20,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:51:20,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519238151] [2021-12-18 15:51:20,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519238151] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:51:20,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:51:20,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:51:20,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633222265] [2021-12-18 15:51:20,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:51:20,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:51:20,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:51:20,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:51:20,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:51:20,226 INFO L87 Difference]: Start difference. First operand 32839 states and 45780 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 15:51:27,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:51:33,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:51:34,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:51:34,603 INFO L93 Difference]: Finished difference Result 32839 states and 45780 transitions. [2021-12-18 15:51:34,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:51:34,605 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 153 [2021-12-18 15:51:34,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:51:34,700 INFO L225 Difference]: With dead ends: 32839 [2021-12-18 15:51:34,700 INFO L226 Difference]: Without dead ends: 32837 [2021-12-18 15:51:34,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:51:34,715 INFO L933 BasicCegarLoop]: 4831 mSDtfsCounter, 9478 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 5309 mSolverCounterSat, 6212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9691 SdHoareTripleChecker+Valid, 7693 SdHoareTripleChecker+Invalid, 11523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6212 IncrementalHoareTripleChecker+Valid, 5309 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:51:34,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9691 Valid, 7693 Invalid, 11523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6212 Valid, 5309 Invalid, 2 Unknown, 0 Unchecked, 12.8s Time] [2021-12-18 15:51:34,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32837 states. [2021-12-18 15:51:36,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32837 to 32837. [2021-12-18 15:51:36,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32837 states, 21485 states have (on average 1.239795205957645) internal successors, (26637), 22550 states have internal predecessors, (26637), 9101 states have call successors, (9101), 2056 states have call predecessors, (9101), 2227 states have return successors, (10039), 8848 states have call predecessors, (10039), 9099 states have call successors, (10039) [2021-12-18 15:51:36,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32837 states to 32837 states and 45777 transitions. [2021-12-18 15:51:36,370 INFO L78 Accepts]: Start accepts. Automaton has 32837 states and 45777 transitions. Word has length 153 [2021-12-18 15:51:36,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:51:36,372 INFO L470 AbstractCegarLoop]: Abstraction has 32837 states and 45777 transitions. [2021-12-18 15:51:36,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 15:51:36,372 INFO L276 IsEmpty]: Start isEmpty. Operand 32837 states and 45777 transitions. [2021-12-18 15:51:36,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-18 15:51:36,377 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:51:36,378 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:51:36,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-18 15:51:36,378 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:51:36,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:51:36,378 INFO L85 PathProgramCache]: Analyzing trace with hash -827889565, now seen corresponding path program 1 times [2021-12-18 15:51:36,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:51:36,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910739352] [2021-12-18 15:51:36,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:51:36,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:51:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:51:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:51:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:51:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:51:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:51:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:51:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:51:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:51:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:51:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:51:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:51:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:51:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:51:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:51:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:51:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:51:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 15:51:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 15:51:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 15:51:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:51:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:51:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:36,779 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:51:36,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:51:36,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910739352] [2021-12-18 15:51:36,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910739352] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:51:36,780 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:51:36,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:51:36,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241432723] [2021-12-18 15:51:36,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:51:36,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:51:36,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:51:36,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:51:36,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:51:36,782 INFO L87 Difference]: Start difference. First operand 32837 states and 45777 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 15:51:44,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:51:50,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:51:52,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:51:52,142 INFO L93 Difference]: Finished difference Result 32837 states and 45777 transitions. [2021-12-18 15:51:52,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:51:52,144 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 159 [2021-12-18 15:51:52,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:51:52,241 INFO L225 Difference]: With dead ends: 32837 [2021-12-18 15:51:52,246 INFO L226 Difference]: Without dead ends: 32835 [2021-12-18 15:51:52,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:51:52,265 INFO L933 BasicCegarLoop]: 4829 mSDtfsCounter, 9472 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 5307 mSolverCounterSat, 6212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9684 SdHoareTripleChecker+Valid, 7691 SdHoareTripleChecker+Invalid, 11521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6212 IncrementalHoareTripleChecker+Valid, 5307 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2021-12-18 15:51:52,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9684 Valid, 7691 Invalid, 11521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6212 Valid, 5307 Invalid, 2 Unknown, 0 Unchecked, 13.7s Time] [2021-12-18 15:51:52,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32835 states. [2021-12-18 15:51:53,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32835 to 32835. [2021-12-18 15:51:53,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32835 states, 21484 states have (on average 1.2397132749953454) internal successors, (26634), 22548 states have internal predecessors, (26634), 9101 states have call successors, (9101), 2056 states have call predecessors, (9101), 2227 states have return successors, (10039), 8848 states have call predecessors, (10039), 9099 states have call successors, (10039) [2021-12-18 15:51:53,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32835 states to 32835 states and 45774 transitions. [2021-12-18 15:51:53,925 INFO L78 Accepts]: Start accepts. Automaton has 32835 states and 45774 transitions. Word has length 159 [2021-12-18 15:51:53,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:51:53,926 INFO L470 AbstractCegarLoop]: Abstraction has 32835 states and 45774 transitions. [2021-12-18 15:51:53,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 15:51:53,926 INFO L276 IsEmpty]: Start isEmpty. Operand 32835 states and 45774 transitions. [2021-12-18 15:51:53,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-12-18 15:51:53,927 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:51:53,928 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:51:53,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-18 15:51:53,928 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:51:53,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:51:53,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1897645145, now seen corresponding path program 1 times [2021-12-18 15:51:53,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:51:53,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894344007] [2021-12-18 15:51:53,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:51:53,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:51:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:51:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:51:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:51:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:51:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:51:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:51:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:51:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:51:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:51:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:51:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:51:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:51:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:51:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:51:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:51:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:51:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:51:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 15:51:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 15:51:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 15:51:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:51:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:51:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:51:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:51:54,247 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:51:54,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:51:54,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894344007] [2021-12-18 15:51:54,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894344007] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:51:54,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:51:54,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:51:54,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963251562] [2021-12-18 15:51:54,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:51:54,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:51:54,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:51:54,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:51:54,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:51:54,249 INFO L87 Difference]: Start difference. First operand 32835 states and 45774 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 15:52:01,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:52:06,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:52:08,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:52:08,787 INFO L93 Difference]: Finished difference Result 32835 states and 45774 transitions. [2021-12-18 15:52:08,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:52:08,788 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 165 [2021-12-18 15:52:08,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:52:08,905 INFO L225 Difference]: With dead ends: 32835 [2021-12-18 15:52:08,905 INFO L226 Difference]: Without dead ends: 32833 [2021-12-18 15:52:08,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:52:08,923 INFO L933 BasicCegarLoop]: 4827 mSDtfsCounter, 9466 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 5305 mSolverCounterSat, 6212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9677 SdHoareTripleChecker+Valid, 7689 SdHoareTripleChecker+Invalid, 11519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6212 IncrementalHoareTripleChecker+Valid, 5305 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:52:08,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9677 Valid, 7689 Invalid, 11519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6212 Valid, 5305 Invalid, 2 Unknown, 0 Unchecked, 13.2s Time] [2021-12-18 15:52:08,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32833 states. [2021-12-18 15:52:10,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32833 to 32833. [2021-12-18 15:52:10,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32833 states, 21483 states have (on average 1.23963133640553) internal successors, (26631), 22546 states have internal predecessors, (26631), 9101 states have call successors, (9101), 2056 states have call predecessors, (9101), 2227 states have return successors, (10039), 8848 states have call predecessors, (10039), 9099 states have call successors, (10039) [2021-12-18 15:52:10,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32833 states to 32833 states and 45771 transitions. [2021-12-18 15:52:10,821 INFO L78 Accepts]: Start accepts. Automaton has 32833 states and 45771 transitions. Word has length 165 [2021-12-18 15:52:10,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:52:10,821 INFO L470 AbstractCegarLoop]: Abstraction has 32833 states and 45771 transitions. [2021-12-18 15:52:10,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 15:52:10,821 INFO L276 IsEmpty]: Start isEmpty. Operand 32833 states and 45771 transitions. [2021-12-18 15:52:10,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-18 15:52:10,840 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:52:10,840 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:52:10,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-18 15:52:10,840 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:52:10,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:52:10,840 INFO L85 PathProgramCache]: Analyzing trace with hash -2062181776, now seen corresponding path program 1 times [2021-12-18 15:52:10,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:52:10,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855767541] [2021-12-18 15:52:10,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:52:10,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:52:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:52:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:52:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:52:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:52:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:52:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:52:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:52:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:52:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:52:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:52:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:52:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:52:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:52:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:52:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:52:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:52:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 15:52:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 15:52:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 15:52:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:52:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:52:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:52:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 15:52:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:11,170 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:52:11,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:52:11,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855767541] [2021-12-18 15:52:11,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855767541] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:52:11,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:52:11,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:52:11,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717992475] [2021-12-18 15:52:11,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:52:11,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:52:11,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:52:11,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:52:11,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:52:11,172 INFO L87 Difference]: Start difference. First operand 32833 states and 45771 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 15:52:19,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:52:23,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:52:25,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:52:25,689 INFO L93 Difference]: Finished difference Result 32833 states and 45771 transitions. [2021-12-18 15:52:25,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:52:25,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 171 [2021-12-18 15:52:25,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:52:25,792 INFO L225 Difference]: With dead ends: 32833 [2021-12-18 15:52:25,793 INFO L226 Difference]: Without dead ends: 32831 [2021-12-18 15:52:25,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:52:25,809 INFO L933 BasicCegarLoop]: 4825 mSDtfsCounter, 9460 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 5303 mSolverCounterSat, 6212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9670 SdHoareTripleChecker+Valid, 7687 SdHoareTripleChecker+Invalid, 11517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6212 IncrementalHoareTripleChecker+Valid, 5303 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-12-18 15:52:25,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9670 Valid, 7687 Invalid, 11517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6212 Valid, 5303 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2021-12-18 15:52:25,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32831 states. [2021-12-18 15:52:27,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32831 to 32831. [2021-12-18 15:52:27,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32831 states, 21482 states have (on average 1.2395493901871335) internal successors, (26628), 22544 states have internal predecessors, (26628), 9101 states have call successors, (9101), 2056 states have call predecessors, (9101), 2227 states have return successors, (10039), 8848 states have call predecessors, (10039), 9099 states have call successors, (10039) [2021-12-18 15:52:27,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32831 states to 32831 states and 45768 transitions. [2021-12-18 15:52:27,841 INFO L78 Accepts]: Start accepts. Automaton has 32831 states and 45768 transitions. Word has length 171 [2021-12-18 15:52:27,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:52:27,842 INFO L470 AbstractCegarLoop]: Abstraction has 32831 states and 45768 transitions. [2021-12-18 15:52:27,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 15:52:27,842 INFO L276 IsEmpty]: Start isEmpty. Operand 32831 states and 45768 transitions. [2021-12-18 15:52:27,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-12-18 15:52:27,843 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:52:27,844 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:52:27,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-18 15:52:27,844 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:52:27,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:52:27,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1042485937, now seen corresponding path program 1 times [2021-12-18 15:52:27,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:52:27,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011809471] [2021-12-18 15:52:27,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:52:27,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:52:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:52:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:52:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:52:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:52:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:52:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:52:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:52:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:52:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:52:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:52:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:52:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:52:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:52:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:52:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:52:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:52:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 15:52:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 15:52:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 15:52:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:52:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:52:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:52:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 15:52:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-18 15:52:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:52:28,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:52:28,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011809471] [2021-12-18 15:52:28,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011809471] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:52:28,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:52:28,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:52:28,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628803348] [2021-12-18 15:52:28,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:52:28,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:52:28,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:52:28,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:52:28,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:52:28,238 INFO L87 Difference]: Start difference. First operand 32831 states and 45768 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 15:52:35,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:52:41,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:52:43,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:52:43,256 INFO L93 Difference]: Finished difference Result 32831 states and 45768 transitions. [2021-12-18 15:52:43,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:52:43,258 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 177 [2021-12-18 15:52:43,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:52:43,343 INFO L225 Difference]: With dead ends: 32831 [2021-12-18 15:52:43,344 INFO L226 Difference]: Without dead ends: 32829 [2021-12-18 15:52:43,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:52:43,359 INFO L933 BasicCegarLoop]: 4823 mSDtfsCounter, 9454 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 5301 mSolverCounterSat, 6212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9663 SdHoareTripleChecker+Valid, 7685 SdHoareTripleChecker+Invalid, 11515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6212 IncrementalHoareTripleChecker+Valid, 5301 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:52:43,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9663 Valid, 7685 Invalid, 11515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6212 Valid, 5301 Invalid, 2 Unknown, 0 Unchecked, 13.3s Time] [2021-12-18 15:52:43,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32829 states. [2021-12-18 15:52:45,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32829 to 32829. [2021-12-18 15:52:45,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32829 states, 21481 states have (on average 1.2394674363390903) internal successors, (26625), 22542 states have internal predecessors, (26625), 9101 states have call successors, (9101), 2056 states have call predecessors, (9101), 2227 states have return successors, (10039), 8848 states have call predecessors, (10039), 9099 states have call successors, (10039) [2021-12-18 15:52:45,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32829 states to 32829 states and 45765 transitions. [2021-12-18 15:52:45,207 INFO L78 Accepts]: Start accepts. Automaton has 32829 states and 45765 transitions. Word has length 177 [2021-12-18 15:52:45,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:52:45,208 INFO L470 AbstractCegarLoop]: Abstraction has 32829 states and 45765 transitions. [2021-12-18 15:52:45,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 15:52:45,208 INFO L276 IsEmpty]: Start isEmpty. Operand 32829 states and 45765 transitions. [2021-12-18 15:52:45,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-12-18 15:52:45,210 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:52:45,210 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:52:45,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-18 15:52:45,210 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:52:45,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:52:45,211 INFO L85 PathProgramCache]: Analyzing trace with hash 600597623, now seen corresponding path program 1 times [2021-12-18 15:52:45,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:52:45,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420733853] [2021-12-18 15:52:45,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:52:45,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:52:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:52:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:52:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:52:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 15:52:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:52:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:52:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:52:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 15:52:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 15:52:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:52:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 15:52:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 15:52:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:52:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 15:52:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:52:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 15:52:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-18 15:52:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 15:52:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 15:52:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 15:52:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:45,750 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-12-18 15:52:45,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:52:45,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420733853] [2021-12-18 15:52:45,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420733853] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:52:45,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715620758] [2021-12-18 15:52:45,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:52:45,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:52:45,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:52:45,753 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 15:52:45,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 15:52:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:47,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 5508 conjuncts, 34 conjunts are in the unsatisfiable core [2021-12-18 15:52:47,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:52:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-12-18 15:52:47,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:52:47,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715620758] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:52:47,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 15:52:47,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 21 [2021-12-18 15:52:47,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934773609] [2021-12-18 15:52:47,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:52:47,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 15:52:47,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:52:47,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 15:52:47,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=378, Unknown=0, NotChecked=0, Total=420 [2021-12-18 15:52:47,992 INFO L87 Difference]: Start difference. First operand 32829 states and 45765 transitions. Second operand has 10 states, 9 states have (on average 9.666666666666666) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 5 states have call successors, (23) [2021-12-18 15:52:51,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:52:51,433 INFO L93 Difference]: Finished difference Result 65592 states and 91472 transitions. [2021-12-18 15:52:51,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 15:52:51,436 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.666666666666666) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 5 states have call successors, (23) Word has length 173 [2021-12-18 15:52:51,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:52:51,564 INFO L225 Difference]: With dead ends: 65592 [2021-12-18 15:52:51,564 INFO L226 Difference]: Without dead ends: 32850 [2021-12-18 15:52:51,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=616, Unknown=0, NotChecked=0, Total=702 [2021-12-18 15:52:51,693 INFO L933 BasicCegarLoop]: 5763 mSDtfsCounter, 1416 mSDsluCounter, 38222 mSDsCounter, 0 mSdLazyCounter, 1232 mSolverCounterSat, 683 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1416 SdHoareTripleChecker+Valid, 43985 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 683 IncrementalHoareTripleChecker+Valid, 1232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-18 15:52:51,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1416 Valid, 43985 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [683 Valid, 1232 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-18 15:52:51,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32850 states. [2021-12-18 15:52:53,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32850 to 32829. [2021-12-18 15:52:53,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32829 states, 21481 states have (on average 1.2394208835715284) internal successors, (26624), 22541 states have internal predecessors, (26624), 9101 states have call successors, (9101), 2056 states have call predecessors, (9101), 2227 states have return successors, (10039), 8848 states have call predecessors, (10039), 9099 states have call successors, (10039) [2021-12-18 15:52:53,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32829 states to 32829 states and 45764 transitions. [2021-12-18 15:52:53,821 INFO L78 Accepts]: Start accepts. Automaton has 32829 states and 45764 transitions. Word has length 173 [2021-12-18 15:52:53,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:52:53,821 INFO L470 AbstractCegarLoop]: Abstraction has 32829 states and 45764 transitions. [2021-12-18 15:52:53,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.666666666666666) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 5 states have call successors, (23) [2021-12-18 15:52:53,822 INFO L276 IsEmpty]: Start isEmpty. Operand 32829 states and 45764 transitions. [2021-12-18 15:52:53,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-12-18 15:52:53,823 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:52:53,824 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:52:53,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-18 15:52:54,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-12-18 15:52:54,052 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:52:54,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:52:54,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1561265615, now seen corresponding path program 1 times [2021-12-18 15:52:54,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:52:54,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386641861] [2021-12-18 15:52:54,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:52:54,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:52:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:52:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:52:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:52:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:52:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:52:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:52:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:52:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:52:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:52:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:52:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:52:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:52:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:52:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:52:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:52:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:52:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:52:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 15:52:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 15:52:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 15:52:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:52:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:52:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:52:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 15:52:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-18 15:52:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 15:52:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:52:54,403 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:52:54,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:52:54,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386641861] [2021-12-18 15:52:54,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386641861] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:52:54,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:52:54,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:52:54,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416539229] [2021-12-18 15:52:54,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:52:54,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:52:54,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:52:54,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:52:54,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:52:54,406 INFO L87 Difference]: Start difference. First operand 32829 states and 45764 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-18 15:53:02,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:53:07,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:53:09,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:53:09,318 INFO L93 Difference]: Finished difference Result 32829 states and 45764 transitions. [2021-12-18 15:53:09,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:53:09,320 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 183 [2021-12-18 15:53:09,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:53:09,418 INFO L225 Difference]: With dead ends: 32829 [2021-12-18 15:53:09,418 INFO L226 Difference]: Without dead ends: 32827 [2021-12-18 15:53:09,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:53:09,432 INFO L933 BasicCegarLoop]: 4821 mSDtfsCounter, 9448 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 5299 mSolverCounterSat, 6212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9656 SdHoareTripleChecker+Valid, 7683 SdHoareTripleChecker+Invalid, 11513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6212 IncrementalHoareTripleChecker+Valid, 5299 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:53:09,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9656 Valid, 7683 Invalid, 11513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6212 Valid, 5299 Invalid, 2 Unknown, 0 Unchecked, 13.2s Time] [2021-12-18 15:53:09,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32827 states. [2021-12-18 15:53:11,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32827 to 32827. [2021-12-18 15:53:11,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32827 states, 21480 states have (on average 1.239338919925512) internal successors, (26621), 22539 states have internal predecessors, (26621), 9101 states have call successors, (9101), 2056 states have call predecessors, (9101), 2227 states have return successors, (10039), 8848 states have call predecessors, (10039), 9099 states have call successors, (10039) [2021-12-18 15:53:11,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32827 states to 32827 states and 45761 transitions. [2021-12-18 15:53:11,357 INFO L78 Accepts]: Start accepts. Automaton has 32827 states and 45761 transitions. Word has length 183 [2021-12-18 15:53:11,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:53:11,358 INFO L470 AbstractCegarLoop]: Abstraction has 32827 states and 45761 transitions. [2021-12-18 15:53:11,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-18 15:53:11,358 INFO L276 IsEmpty]: Start isEmpty. Operand 32827 states and 45761 transitions. [2021-12-18 15:53:11,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-12-18 15:53:11,360 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:53:11,360 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:53:11,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-18 15:53:11,360 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:53:11,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:53:11,361 INFO L85 PathProgramCache]: Analyzing trace with hash 681843165, now seen corresponding path program 1 times [2021-12-18 15:53:11,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:53:11,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263419023] [2021-12-18 15:53:11,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:53:11,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:53:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:53:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:53:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:53:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 15:53:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:53:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:53:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:53:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:53:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 15:53:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:53:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:53:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 15:53:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 15:53:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 15:53:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:53:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 15:53:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 15:53:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 15:53:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 15:53:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 15:53:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 15:53:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:11,927 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-12-18 15:53:11,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:53:11,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263419023] [2021-12-18 15:53:11,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263419023] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:53:11,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891383974] [2021-12-18 15:53:11,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:53:11,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:53:11,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:53:11,929 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 15:53:11,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 15:53:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:13,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 5518 conjuncts, 27 conjunts are in the unsatisfiable core [2021-12-18 15:53:13,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:53:14,187 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-12-18 15:53:14,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 15:53:14,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891383974] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:53:14,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 15:53:14,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 16 [2021-12-18 15:53:14,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012245175] [2021-12-18 15:53:14,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:53:14,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 15:53:14,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:53:14,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 15:53:14,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2021-12-18 15:53:14,188 INFO L87 Difference]: Start difference. First operand 32827 states and 45761 transitions. Second operand has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 6 states have internal predecessors, (93), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 5 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 15:53:16,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:53:16,717 INFO L93 Difference]: Finished difference Result 51503 states and 72119 transitions. [2021-12-18 15:53:16,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 15:53:16,718 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 6 states have internal predecessors, (93), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 5 states have call predecessors, (25), 3 states have call successors, (25) Word has length 178 [2021-12-18 15:53:16,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:53:16,834 INFO L225 Difference]: With dead ends: 51503 [2021-12-18 15:53:16,835 INFO L226 Difference]: Without dead ends: 35027 [2021-12-18 15:53:16,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 228 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-12-18 15:53:16,892 INFO L933 BasicCegarLoop]: 6223 mSDtfsCounter, 1370 mSDsluCounter, 37100 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 43323 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 446 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:53:16,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1593 Valid, 43323 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [446 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-18 15:53:16,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35027 states. [2021-12-18 15:53:18,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35027 to 32834. [2021-12-18 15:53:18,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32834 states, 21484 states have (on average 1.239294358592441) internal successors, (26625), 22543 states have internal predecessors, (26625), 9103 states have call successors, (9103), 2056 states have call predecessors, (9103), 2228 states have return successors, (10042), 8851 states have call predecessors, (10042), 9101 states have call successors, (10042) [2021-12-18 15:53:18,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32834 states to 32834 states and 45770 transitions. [2021-12-18 15:53:18,891 INFO L78 Accepts]: Start accepts. Automaton has 32834 states and 45770 transitions. Word has length 178 [2021-12-18 15:53:18,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:53:18,891 INFO L470 AbstractCegarLoop]: Abstraction has 32834 states and 45770 transitions. [2021-12-18 15:53:18,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 6 states have internal predecessors, (93), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 5 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 15:53:18,892 INFO L276 IsEmpty]: Start isEmpty. Operand 32834 states and 45770 transitions. [2021-12-18 15:53:18,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-18 15:53:18,893 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:53:18,893 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:53:18,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-18 15:53:19,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-12-18 15:53:19,104 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:53:19,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:53:19,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1418384838, now seen corresponding path program 1 times [2021-12-18 15:53:19,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:53:19,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803043081] [2021-12-18 15:53:19,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:53:19,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:53:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:53:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:53:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:53:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:53:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:53:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:53:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:53:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:53:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:53:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:53:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:53:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:53:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:53:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:53:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:53:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:53:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 15:53:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 15:53:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 15:53:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:53:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:53:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:53:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 15:53:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-18 15:53:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 15:53:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 15:53:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:53:19,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:53:19,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803043081] [2021-12-18 15:53:19,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803043081] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:53:19,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:53:19,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:53:19,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725157901] [2021-12-18 15:53:19,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:53:19,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:53:19,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:53:19,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:53:19,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:53:19,500 INFO L87 Difference]: Start difference. First operand 32834 states and 45770 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 15:53:26,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:53:32,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:53:34,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:53:34,336 INFO L93 Difference]: Finished difference Result 32834 states and 45770 transitions. [2021-12-18 15:53:34,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:53:34,337 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 189 [2021-12-18 15:53:34,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:53:34,435 INFO L225 Difference]: With dead ends: 32834 [2021-12-18 15:53:34,435 INFO L226 Difference]: Without dead ends: 32832 [2021-12-18 15:53:34,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:53:34,454 INFO L933 BasicCegarLoop]: 4819 mSDtfsCounter, 9442 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 5297 mSolverCounterSat, 6212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9649 SdHoareTripleChecker+Valid, 7681 SdHoareTripleChecker+Invalid, 11511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6212 IncrementalHoareTripleChecker+Valid, 5297 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2021-12-18 15:53:34,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9649 Valid, 7681 Invalid, 11511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6212 Valid, 5297 Invalid, 2 Unknown, 0 Unchecked, 13.2s Time] [2021-12-18 15:53:34,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32832 states. [2021-12-18 15:53:36,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32832 to 32832. [2021-12-18 15:53:36,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32832 states, 21483 states have (on average 1.2392124005027232) internal successors, (26622), 22541 states have internal predecessors, (26622), 9103 states have call successors, (9103), 2056 states have call predecessors, (9103), 2228 states have return successors, (10042), 8851 states have call predecessors, (10042), 9101 states have call successors, (10042) [2021-12-18 15:53:36,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32832 states to 32832 states and 45767 transitions. [2021-12-18 15:53:36,419 INFO L78 Accepts]: Start accepts. Automaton has 32832 states and 45767 transitions. Word has length 189 [2021-12-18 15:53:36,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:53:36,420 INFO L470 AbstractCegarLoop]: Abstraction has 32832 states and 45767 transitions. [2021-12-18 15:53:36,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 15:53:36,420 INFO L276 IsEmpty]: Start isEmpty. Operand 32832 states and 45767 transitions. [2021-12-18 15:53:36,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-12-18 15:53:36,421 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:53:36,422 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:53:36,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-18 15:53:36,422 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:53:36,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:53:36,422 INFO L85 PathProgramCache]: Analyzing trace with hash -157861567, now seen corresponding path program 1 times [2021-12-18 15:53:36,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:53:36,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963144414] [2021-12-18 15:53:36,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:53:36,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:53:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:53:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:53:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:53:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 15:53:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:53:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:53:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:53:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:53:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 15:53:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:53:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 15:53:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:53:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 15:53:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 15:53:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 15:53:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:53:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 15:53:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 15:53:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 15:53:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 15:53:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-18 15:53:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 15:53:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:36,917 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-18 15:53:36,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:53:36,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963144414] [2021-12-18 15:53:36,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963144414] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:53:36,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:53:36,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 15:53:36,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949482426] [2021-12-18 15:53:36,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:53:36,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 15:53:36,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:53:36,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 15:53:36,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 15:53:36,919 INFO L87 Difference]: Start difference. First operand 32832 states and 45767 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (26), 3 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 15:53:49,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:53:49,179 INFO L93 Difference]: Finished difference Result 35108 states and 49281 transitions. [2021-12-18 15:53:49,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:53:49,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (26), 3 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 184 [2021-12-18 15:53:49,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:53:49,283 INFO L225 Difference]: With dead ends: 35108 [2021-12-18 15:53:49,283 INFO L226 Difference]: Without dead ends: 35106 [2021-12-18 15:53:49,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:53:49,302 INFO L933 BasicCegarLoop]: 6609 mSDtfsCounter, 7697 mSDsluCounter, 13437 mSDsCounter, 0 mSdLazyCounter, 4914 mSolverCounterSat, 3502 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8538 SdHoareTripleChecker+Valid, 20046 SdHoareTripleChecker+Invalid, 8416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3502 IncrementalHoareTripleChecker+Valid, 4914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2021-12-18 15:53:49,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8538 Valid, 20046 Invalid, 8416 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3502 Valid, 4914 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2021-12-18 15:53:49,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35106 states. [2021-12-18 15:53:51,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35106 to 32836. [2021-12-18 15:53:51,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32836 states, 21487 states have (on average 1.2391678689440127) internal successors, (26626), 22545 states have internal predecessors, (26626), 9103 states have call successors, (9103), 2056 states have call predecessors, (9103), 2228 states have return successors, (10042), 8851 states have call predecessors, (10042), 9101 states have call successors, (10042) [2021-12-18 15:53:51,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32836 states to 32836 states and 45771 transitions. [2021-12-18 15:53:51,487 INFO L78 Accepts]: Start accepts. Automaton has 32836 states and 45771 transitions. Word has length 184 [2021-12-18 15:53:51,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:53:51,487 INFO L470 AbstractCegarLoop]: Abstraction has 32836 states and 45771 transitions. [2021-12-18 15:53:51,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (26), 3 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 15:53:51,488 INFO L276 IsEmpty]: Start isEmpty. Operand 32836 states and 45771 transitions. [2021-12-18 15:53:51,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-12-18 15:53:51,489 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:53:51,489 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:53:51,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-12-18 15:53:51,490 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:53:51,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:53:51,492 INFO L85 PathProgramCache]: Analyzing trace with hash 607945286, now seen corresponding path program 1 times [2021-12-18 15:53:51,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:53:51,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310324989] [2021-12-18 15:53:51,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:53:51,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:53:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:53:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:53:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:53:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:53:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:53:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:53:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:53:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:53:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:53:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:53:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:53:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:53:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:53:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:53:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:53:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:53:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:53:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 15:53:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 15:53:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 15:53:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:53:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:53:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:53:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 15:53:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-18 15:53:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 15:53:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 15:53:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 15:53:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:53:51,913 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:53:51,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:53:51,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310324989] [2021-12-18 15:53:51,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310324989] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:53:51,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:53:51,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:53:51,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403662679] [2021-12-18 15:53:51,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:53:51,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:53:51,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:53:51,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:53:51,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:53:51,915 INFO L87 Difference]: Start difference. First operand 32836 states and 45771 transitions. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 15:54:00,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:54:05,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:54:07,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:54:07,650 INFO L93 Difference]: Finished difference Result 32836 states and 45771 transitions. [2021-12-18 15:54:07,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:54:07,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 195 [2021-12-18 15:54:07,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:54:07,736 INFO L225 Difference]: With dead ends: 32836 [2021-12-18 15:54:07,737 INFO L226 Difference]: Without dead ends: 32834 [2021-12-18 15:54:07,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:54:07,750 INFO L933 BasicCegarLoop]: 4817 mSDtfsCounter, 9436 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 5295 mSolverCounterSat, 6212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9642 SdHoareTripleChecker+Valid, 7679 SdHoareTripleChecker+Invalid, 11509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6212 IncrementalHoareTripleChecker+Valid, 5295 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2021-12-18 15:54:07,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9642 Valid, 7679 Invalid, 11509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6212 Valid, 5295 Invalid, 2 Unknown, 0 Unchecked, 13.7s Time] [2021-12-18 15:54:07,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32834 states. [2021-12-18 15:54:09,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32834 to 32834. [2021-12-18 15:54:09,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32834 states, 21486 states have (on average 1.239085916410686) internal successors, (26623), 22543 states have internal predecessors, (26623), 9103 states have call successors, (9103), 2056 states have call predecessors, (9103), 2228 states have return successors, (10042), 8851 states have call predecessors, (10042), 9101 states have call successors, (10042) [2021-12-18 15:54:09,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32834 states to 32834 states and 45768 transitions. [2021-12-18 15:54:09,892 INFO L78 Accepts]: Start accepts. Automaton has 32834 states and 45768 transitions. Word has length 195 [2021-12-18 15:54:09,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:54:09,892 INFO L470 AbstractCegarLoop]: Abstraction has 32834 states and 45768 transitions. [2021-12-18 15:54:09,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 15:54:09,893 INFO L276 IsEmpty]: Start isEmpty. Operand 32834 states and 45768 transitions. [2021-12-18 15:54:09,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-18 15:54:09,894 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:54:09,895 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:54:09,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-12-18 15:54:09,895 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:54:09,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:54:09,895 INFO L85 PathProgramCache]: Analyzing trace with hash -768893511, now seen corresponding path program 1 times [2021-12-18 15:54:09,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:54:09,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319277284] [2021-12-18 15:54:09,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:54:09,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:54:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:10,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:54:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:10,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:54:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:54:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:10,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:54:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:10,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 15:54:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:10,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 15:54:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:10,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:54:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:10,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:54:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:10,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 15:54:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:10,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:54:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:10,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 15:54:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:10,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:54:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:10,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 15:54:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:10,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:54:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:10,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 15:54:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:10,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 15:54:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:10,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:54:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:11,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 15:54:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:11,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 15:54:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:11,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 15:54:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:11,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 15:54:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:11,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:54:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:11,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 15:54:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:11,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:54:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:11,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:54:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:11,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 15:54:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:11,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 15:54:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:11,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 15:54:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:11,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 15:54:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:11,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 15:54:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:11,216 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2021-12-18 15:54:11,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:54:11,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319277284] [2021-12-18 15:54:11,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319277284] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 15:54:11,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739497454] [2021-12-18 15:54:11,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:54:11,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:54:11,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 15:54:11,218 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 15:54:11,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 15:54:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:54:12,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 5570 conjuncts, 49 conjunts are in the unsatisfiable core [2021-12-18 15:54:12,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 15:54:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 137 proven. 3 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-12-18 15:54:14,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 15:54:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 15 proven. 24 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-12-18 15:54:16,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739497454] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 15:54:16,002 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 15:54:16,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15, 14] total 40 [2021-12-18 15:54:16,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552328993] [2021-12-18 15:54:16,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 15:54:16,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-12-18 15:54:16,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:54:16,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-12-18 15:54:16,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1456, Unknown=0, NotChecked=0, Total=1560 [2021-12-18 15:54:16,004 INFO L87 Difference]: Start difference. First operand 32834 states and 45768 transitions. Second operand has 40 states, 34 states have (on average 4.764705882352941) internal successors, (162), 28 states have internal predecessors, (162), 12 states have call successors, (62), 4 states have call predecessors, (62), 10 states have return successors, (61), 18 states have call predecessors, (61), 11 states have call successors, (61) [2021-12-18 15:55:13,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:55:13,224 INFO L93 Difference]: Finished difference Result 34363 states and 47960 transitions. [2021-12-18 15:55:13,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-18 15:55:13,225 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 34 states have (on average 4.764705882352941) internal successors, (162), 28 states have internal predecessors, (162), 12 states have call successors, (62), 4 states have call predecessors, (62), 10 states have return successors, (61), 18 states have call predecessors, (61), 11 states have call successors, (61) Word has length 194 [2021-12-18 15:55:13,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:55:13,275 INFO L225 Difference]: With dead ends: 34363 [2021-12-18 15:55:13,276 INFO L226 Difference]: Without dead ends: 17891 [2021-12-18 15:55:13,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 422 SyntacticMatches, 6 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=172, Invalid=2278, Unknown=0, NotChecked=0, Total=2450 [2021-12-18 15:55:13,320 INFO L933 BasicCegarLoop]: 5613 mSDtfsCounter, 2799 mSDsluCounter, 135397 mSDsCounter, 0 mSdLazyCounter, 33013 mSolverCounterSat, 2049 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3044 SdHoareTripleChecker+Valid, 141010 SdHoareTripleChecker+Invalid, 35062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2049 IncrementalHoareTripleChecker+Valid, 33013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.9s IncrementalHoareTripleChecker+Time [2021-12-18 15:55:13,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3044 Valid, 141010 Invalid, 35062 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2049 Valid, 33013 Invalid, 0 Unknown, 0 Unchecked, 54.9s Time] [2021-12-18 15:55:13,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17891 states. [2021-12-18 15:55:14,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17891 to 16832. [2021-12-18 15:55:14,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16832 states, 11010 states have (on average 1.2345140781108084) internal successors, (13592), 11546 states have internal predecessors, (13592), 4636 states have call successors, (4636), 1085 states have call predecessors, (4636), 1170 states have return successors, (5104), 4509 states have call predecessors, (5104), 4634 states have call successors, (5104) [2021-12-18 15:55:14,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16832 states to 16832 states and 23332 transitions. [2021-12-18 15:55:14,434 INFO L78 Accepts]: Start accepts. Automaton has 16832 states and 23332 transitions. Word has length 194 [2021-12-18 15:55:14,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:55:14,434 INFO L470 AbstractCegarLoop]: Abstraction has 16832 states and 23332 transitions. [2021-12-18 15:55:14,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 34 states have (on average 4.764705882352941) internal successors, (162), 28 states have internal predecessors, (162), 12 states have call successors, (62), 4 states have call predecessors, (62), 10 states have return successors, (61), 18 states have call predecessors, (61), 11 states have call successors, (61) [2021-12-18 15:55:14,434 INFO L276 IsEmpty]: Start isEmpty. Operand 16832 states and 23332 transitions. [2021-12-18 15:55:14,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-12-18 15:55:14,436 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:55:14,437 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:55:14,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-18 15:55:14,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 15:55:14,652 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:55:14,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:55:14,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1749703589, now seen corresponding path program 1 times [2021-12-18 15:55:14,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:55:14,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950466016] [2021-12-18 15:55:14,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:55:14,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:55:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:14,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:55:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:14,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:55:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:14,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:14,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:55:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:14,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:55:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:14,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:14,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:55:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:14,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:55:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:14,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:55:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:14,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:55:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:14,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:55:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:14,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:14,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:55:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:14,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:55:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:14,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:55:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:15,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:55:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:15,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:55:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:15,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:55:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:15,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:55:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:15,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 15:55:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:15,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 15:55:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:15,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 15:55:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:15,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:55:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:15,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:55:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:15,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:55:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 15:55:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:15,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-18 15:55:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 15:55:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:15,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 15:55:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:15,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 15:55:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 15:55:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:15,122 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:55:15,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:55:15,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950466016] [2021-12-18 15:55:15,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950466016] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:55:15,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:55:15,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:55:15,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563102668] [2021-12-18 15:55:15,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:55:15,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:55:15,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:55:15,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:55:15,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:55:15,124 INFO L87 Difference]: Start difference. First operand 16832 states and 23332 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 4 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 15:55:23,080 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:55:28,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:55:30,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:55:30,187 INFO L93 Difference]: Finished difference Result 16832 states and 23332 transitions. [2021-12-18 15:55:30,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:55:30,189 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 4 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 201 [2021-12-18 15:55:30,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:55:30,228 INFO L225 Difference]: With dead ends: 16832 [2021-12-18 15:55:30,228 INFO L226 Difference]: Without dead ends: 16830 [2021-12-18 15:55:30,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:55:30,234 INFO L933 BasicCegarLoop]: 4812 mSDtfsCounter, 9423 mSDsluCounter, 2859 mSDsCounter, 0 mSdLazyCounter, 5291 mSolverCounterSat, 6212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9628 SdHoareTripleChecker+Valid, 7671 SdHoareTripleChecker+Invalid, 11505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6212 IncrementalHoareTripleChecker+Valid, 5291 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2021-12-18 15:55:30,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9628 Valid, 7671 Invalid, 11505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6212 Valid, 5291 Invalid, 2 Unknown, 0 Unchecked, 13.9s Time] [2021-12-18 15:55:30,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16830 states. [2021-12-18 15:55:31,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16830 to 16830. [2021-12-18 15:55:31,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16830 states, 11009 states have (on average 1.2343537106004179) internal successors, (13589), 11544 states have internal predecessors, (13589), 4636 states have call successors, (4636), 1085 states have call predecessors, (4636), 1170 states have return successors, (5104), 4509 states have call predecessors, (5104), 4634 states have call successors, (5104) [2021-12-18 15:55:31,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16830 states to 16830 states and 23329 transitions. [2021-12-18 15:55:31,208 INFO L78 Accepts]: Start accepts. Automaton has 16830 states and 23329 transitions. Word has length 201 [2021-12-18 15:55:31,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:55:31,208 INFO L470 AbstractCegarLoop]: Abstraction has 16830 states and 23329 transitions. [2021-12-18 15:55:31,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 4 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 15:55:31,208 INFO L276 IsEmpty]: Start isEmpty. Operand 16830 states and 23329 transitions. [2021-12-18 15:55:31,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-18 15:55:31,210 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:55:31,210 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:55:31,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-12-18 15:55:31,210 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:55:31,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:55:31,210 INFO L85 PathProgramCache]: Analyzing trace with hash -261816344, now seen corresponding path program 1 times [2021-12-18 15:55:31,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:55:31,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001058209] [2021-12-18 15:55:31,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:55:31,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:55:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:55:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:55:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:55:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:55:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:55:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:55:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:55:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:55:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:55:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:55:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:55:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:55:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:55:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:55:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:55:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:55:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 15:55:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 15:55:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 15:55:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:55:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:55:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:55:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 15:55:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-18 15:55:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 15:55:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 15:55:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 15:55:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 15:55:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-18 15:55:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:31,616 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:55:31,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:55:31,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001058209] [2021-12-18 15:55:31,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001058209] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:55:31,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:55:31,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:55:31,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765645589] [2021-12-18 15:55:31,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:55:31,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:55:31,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:55:31,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:55:31,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:55:31,619 INFO L87 Difference]: Start difference. First operand 16830 states and 23329 transitions. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (31), 4 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 15:55:39,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:55:44,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:55:46,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:55:46,611 INFO L93 Difference]: Finished difference Result 16830 states and 23329 transitions. [2021-12-18 15:55:46,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 15:55:46,613 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 207 [2021-12-18 15:55:46,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:55:46,653 INFO L225 Difference]: With dead ends: 16830 [2021-12-18 15:55:46,653 INFO L226 Difference]: Without dead ends: 16828 [2021-12-18 15:55:46,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 15:55:46,660 INFO L933 BasicCegarLoop]: 4808 mSDtfsCounter, 9417 mSDsluCounter, 2859 mSDsCounter, 0 mSdLazyCounter, 5291 mSolverCounterSat, 6212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9621 SdHoareTripleChecker+Valid, 7667 SdHoareTripleChecker+Invalid, 11505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6212 IncrementalHoareTripleChecker+Valid, 5291 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:55:46,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9621 Valid, 7667 Invalid, 11505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6212 Valid, 5291 Invalid, 2 Unknown, 0 Unchecked, 13.8s Time] [2021-12-18 15:55:46,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16828 states. [2021-12-18 15:55:47,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16828 to 16828. [2021-12-18 15:55:47,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16828 states, 11008 states have (on average 1.2341933139534884) internal successors, (13586), 11542 states have internal predecessors, (13586), 4636 states have call successors, (4636), 1085 states have call predecessors, (4636), 1170 states have return successors, (5104), 4509 states have call predecessors, (5104), 4634 states have call successors, (5104) [2021-12-18 15:55:47,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16828 states to 16828 states and 23326 transitions. [2021-12-18 15:55:47,680 INFO L78 Accepts]: Start accepts. Automaton has 16828 states and 23326 transitions. Word has length 207 [2021-12-18 15:55:47,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:55:47,681 INFO L470 AbstractCegarLoop]: Abstraction has 16828 states and 23326 transitions. [2021-12-18 15:55:47,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (31), 4 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 15:55:47,681 INFO L276 IsEmpty]: Start isEmpty. Operand 16828 states and 23326 transitions. [2021-12-18 15:55:47,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-18 15:55:47,683 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:55:47,683 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:55:47,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-12-18 15:55:47,684 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-12-18 15:55:47,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:55:47,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1270919230, now seen corresponding path program 1 times [2021-12-18 15:55:47,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:55:47,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285331347] [2021-12-18 15:55:47,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:55:47,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:55:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 15:55:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:55:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:55:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 15:55:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:55:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 15:55:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:55:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 15:55:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 15:55:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:55:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 15:55:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 15:55:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 15:55:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:55:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:55:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:55:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:55:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 15:55:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 15:55:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 15:55:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 15:55:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 15:55:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 15:55:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 15:55:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-18 15:55:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 15:55:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:47,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 15:55:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:48,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 15:55:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:48,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 15:55:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:48,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-18 15:55:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:48,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 15:55:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:55:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-18 15:55:48,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:55:48,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285331347] [2021-12-18 15:55:48,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285331347] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:55:48,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:55:48,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 15:55:48,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79848653] [2021-12-18 15:55:48,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:55:48,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 15:55:48,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:55:48,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 15:55:48,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 15:55:48,036 INFO L87 Difference]: Start difference. First operand 16828 states and 23326 transitions. Second operand has 6 states, 6 states have (on average 20.5) internal successors, (123), 4 states have internal predecessors, (123), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 15:55:55,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15