./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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---fs--nfs--nfsv2.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 32187ad6a98dd17c1b18f8e1b845f566cde13ca56738d1b8876a5b9bb005af7a --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 04:29:39,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 04:29:39,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 04:29:39,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 04:29:39,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 04:29:39,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 04:29:39,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 04:29:39,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 04:29:39,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 04:29:39,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 04:29:39,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 04:29:39,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 04:29:39,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 04:29:39,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 04:29:39,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 04:29:39,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 04:29:39,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 04:29:39,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 04:29:39,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 04:29:39,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 04:29:39,234 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 04:29:39,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 04:29:39,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 04:29:39,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 04:29:39,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 04:29:39,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 04:29:39,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 04:29:39,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 04:29:39,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 04:29:39,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 04:29:39,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 04:29:39,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 04:29:39,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 04:29:39,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 04:29:39,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 04:29:39,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 04:29:39,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 04:29:39,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 04:29:39,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 04:29:39,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 04:29:39,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 04:29:39,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 04:29:39,269 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 04:29:39,301 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 04:29:39,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 04:29:39,306 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 04:29:39,306 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 04:29:39,307 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 04:29:39,307 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 04:29:39,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 04:29:39,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 04:29:39,308 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 04:29:39,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 04:29:39,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 04:29:39,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 04:29:39,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 04:29:39,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 04:29:39,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 04:29:39,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 04:29:39,311 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 04:29:39,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 04:29:39,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 04:29:39,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 04:29:39,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 04:29:39,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 04:29:39,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 04:29:39,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 04:29:39,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 04:29:39,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 04:29:39,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 04:29:39,313 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 04:29:39,313 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 04:29:39,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 04:29:39,314 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32187ad6a98dd17c1b18f8e1b845f566cde13ca56738d1b8876a5b9bb005af7a [2022-07-23 04:29:39,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 04:29:39,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 04:29:39,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 04:29:39,554 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 04:29:39,554 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 04:29:39,556 INFO L432 ainManager$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---fs--nfs--nfsv2.ko.cil.i [2022-07-23 04:29:39,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fc2c2d7c/2d10a47e74f2429cb8e69d18714fd134/FLAG12e20b5e0 [2022-07-23 04:29:40,668 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 04:29:40,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i [2022-07-23 04:29:40,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fc2c2d7c/2d10a47e74f2429cb8e69d18714fd134/FLAG12e20b5e0 [2022-07-23 04:29:40,908 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fc2c2d7c/2d10a47e74f2429cb8e69d18714fd134 [2022-07-23 04:29:40,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 04:29:40,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 04:29:40,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 04:29:40,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 04:29:40,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 04:29:40,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:29:40" (1/1) ... [2022-07-23 04:29:40,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3922e8e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:40, skipping insertion in model container [2022-07-23 04:29:40,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:29:40" (1/1) ... [2022-07-23 04:29:40,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 04:29:41,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 04:29:53,693 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177218,1177231] [2022-07-23 04:29:53,695 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177363,1177376] [2022-07-23 04:29:53,696 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177509,1177522] [2022-07-23 04:29:53,697 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177674,1177687] [2022-07-23 04:29:53,697 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177832,1177845] [2022-07-23 04:29:53,697 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177990,1178003] [2022-07-23 04:29:53,698 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178148,1178161] [2022-07-23 04:29:53,698 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178308,1178321] [2022-07-23 04:29:53,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178467,1178480] [2022-07-23 04:29:53,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178606,1178619] [2022-07-23 04:29:53,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178748,1178761] [2022-07-23 04:29:53,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178897,1178910] [2022-07-23 04:29:53,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179036,1179049] [2022-07-23 04:29:53,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179191,1179204] [2022-07-23 04:29:53,701 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179351,1179364] [2022-07-23 04:29:53,701 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179502,1179515] [2022-07-23 04:29:53,702 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179653,1179666] [2022-07-23 04:29:53,702 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179805,1179818] [2022-07-23 04:29:53,702 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179954,1179967] [2022-07-23 04:29:53,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180102,1180115] [2022-07-23 04:29:53,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180259,1180272] [2022-07-23 04:29:53,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180408,1180421] [2022-07-23 04:29:53,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180564,1180577] [2022-07-23 04:29:53,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180717,1180730] [2022-07-23 04:29:53,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180863,1180876] [2022-07-23 04:29:53,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181006,1181019] [2022-07-23 04:29:53,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181158,1181171] [2022-07-23 04:29:53,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181304,1181317] [2022-07-23 04:29:53,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181449,1181462] [2022-07-23 04:29:53,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181603,1181616] [2022-07-23 04:29:53,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181754,1181767] [2022-07-23 04:29:53,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181909,1181922] [2022-07-23 04:29:53,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182061,1182074] [2022-07-23 04:29:53,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182216,1182229] [2022-07-23 04:29:53,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182380,1182393] [2022-07-23 04:29:53,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182536,1182549] [2022-07-23 04:29:53,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182700,1182713] [2022-07-23 04:29:53,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182842,1182855] [2022-07-23 04:29:53,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183000,1183013] [2022-07-23 04:29:53,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183167,1183180] [2022-07-23 04:29:53,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183326,1183339] [2022-07-23 04:29:53,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183485,1183498] [2022-07-23 04:29:53,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183634,1183647] [2022-07-23 04:29:53,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183781,1183794] [2022-07-23 04:29:53,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183920,1183933] [2022-07-23 04:29:53,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184083,1184096] [2022-07-23 04:29:53,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184249,1184262] [2022-07-23 04:29:53,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184413,1184426] [2022-07-23 04:29:53,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184578,1184591] [2022-07-23 04:29:53,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184743,1184756] [2022-07-23 04:29:53,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184909,1184922] [2022-07-23 04:29:53,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185074,1185087] [2022-07-23 04:29:53,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185241,1185254] [2022-07-23 04:29:53,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185401,1185414] [2022-07-23 04:29:53,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185563,1185576] [2022-07-23 04:29:53,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185722,1185735] [2022-07-23 04:29:53,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185868,1185881] [2022-07-23 04:29:53,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186011,1186024] [2022-07-23 04:29:53,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186155,1186168] [2022-07-23 04:29:53,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186298,1186311] [2022-07-23 04:29:53,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186442,1186455] [2022-07-23 04:29:53,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186583,1186596] [2022-07-23 04:29:53,737 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186721,1186734] [2022-07-23 04:29:53,737 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186879,1186892] [2022-07-23 04:29:53,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187038,1187051] [2022-07-23 04:29:53,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187194,1187207] [2022-07-23 04:29:53,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187343,1187356] [2022-07-23 04:29:53,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187495,1187508] [2022-07-23 04:29:53,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187646,1187659] [2022-07-23 04:29:53,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187795,1187808] [2022-07-23 04:29:53,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187947,1187960] [2022-07-23 04:29:53,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188095,1188108] [2022-07-23 04:29:53,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188248,1188261] [2022-07-23 04:29:53,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188399,1188412] [2022-07-23 04:29:53,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188549,1188562] [2022-07-23 04:29:53,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188696,1188709] [2022-07-23 04:29:53,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188847,1188860] [2022-07-23 04:29:53,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188998,1189011] [2022-07-23 04:29:53,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189146,1189159] [2022-07-23 04:29:53,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189312,1189325] [2022-07-23 04:29:53,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189481,1189494] [2022-07-23 04:29:53,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189648,1189661] [2022-07-23 04:29:53,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189816,1189829] [2022-07-23 04:29:53,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189966,1189979] [2022-07-23 04:29:53,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190113,1190126] [2022-07-23 04:29:53,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190274,1190287] [2022-07-23 04:29:53,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190444,1190457] [2022-07-23 04:29:53,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190606,1190619] [2022-07-23 04:29:53,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:29:53,791 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 04:29:54,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177218,1177231] [2022-07-23 04:29:54,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177363,1177376] [2022-07-23 04:29:54,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177509,1177522] [2022-07-23 04:29:54,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177674,1177687] [2022-07-23 04:29:54,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177832,1177845] [2022-07-23 04:29:54,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177990,1178003] [2022-07-23 04:29:54,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178148,1178161] [2022-07-23 04:29:54,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178308,1178321] [2022-07-23 04:29:54,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178467,1178480] [2022-07-23 04:29:54,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178606,1178619] [2022-07-23 04:29:54,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178748,1178761] [2022-07-23 04:29:54,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178897,1178910] [2022-07-23 04:29:54,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179036,1179049] [2022-07-23 04:29:54,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179191,1179204] [2022-07-23 04:29:54,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179351,1179364] [2022-07-23 04:29:54,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179502,1179515] [2022-07-23 04:29:54,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179653,1179666] [2022-07-23 04:29:54,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179805,1179818] [2022-07-23 04:29:54,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179954,1179967] [2022-07-23 04:29:54,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180102,1180115] [2022-07-23 04:29:54,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180259,1180272] [2022-07-23 04:29:54,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180408,1180421] [2022-07-23 04:29:54,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180564,1180577] [2022-07-23 04:29:54,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180717,1180730] [2022-07-23 04:29:54,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180863,1180876] [2022-07-23 04:29:54,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181006,1181019] [2022-07-23 04:29:54,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181158,1181171] [2022-07-23 04:29:54,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181304,1181317] [2022-07-23 04:29:54,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181449,1181462] [2022-07-23 04:29:54,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181603,1181616] [2022-07-23 04:29:54,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181754,1181767] [2022-07-23 04:29:54,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181909,1181922] [2022-07-23 04:29:54,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182061,1182074] [2022-07-23 04:29:54,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182216,1182229] [2022-07-23 04:29:54,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182380,1182393] [2022-07-23 04:29:54,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182536,1182549] [2022-07-23 04:29:54,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182700,1182713] [2022-07-23 04:29:54,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182842,1182855] [2022-07-23 04:29:54,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183000,1183013] [2022-07-23 04:29:54,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183167,1183180] [2022-07-23 04:29:54,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183326,1183339] [2022-07-23 04:29:54,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183485,1183498] [2022-07-23 04:29:54,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183634,1183647] [2022-07-23 04:29:54,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183781,1183794] [2022-07-23 04:29:54,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183920,1183933] [2022-07-23 04:29:54,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184083,1184096] [2022-07-23 04:29:54,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184249,1184262] [2022-07-23 04:29:54,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184413,1184426] [2022-07-23 04:29:54,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184578,1184591] [2022-07-23 04:29:54,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184743,1184756] [2022-07-23 04:29:54,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184909,1184922] [2022-07-23 04:29:54,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185074,1185087] [2022-07-23 04:29:54,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185241,1185254] [2022-07-23 04:29:54,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185401,1185414] [2022-07-23 04:29:54,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185563,1185576] [2022-07-23 04:29:54,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185722,1185735] [2022-07-23 04:29:54,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185868,1185881] [2022-07-23 04:29:54,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186011,1186024] [2022-07-23 04:29:54,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186155,1186168] [2022-07-23 04:29:54,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186298,1186311] [2022-07-23 04:29:54,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186442,1186455] [2022-07-23 04:29:54,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186583,1186596] [2022-07-23 04:29:54,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186721,1186734] [2022-07-23 04:29:54,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186879,1186892] [2022-07-23 04:29:54,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187038,1187051] [2022-07-23 04:29:54,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187194,1187207] [2022-07-23 04:29:54,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187343,1187356] [2022-07-23 04:29:54,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187495,1187508] [2022-07-23 04:29:54,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187646,1187659] [2022-07-23 04:29:54,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187795,1187808] [2022-07-23 04:29:54,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187947,1187960] [2022-07-23 04:29:54,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188095,1188108] [2022-07-23 04:29:54,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188248,1188261] [2022-07-23 04:29:54,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188399,1188412] [2022-07-23 04:29:54,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188549,1188562] [2022-07-23 04:29:54,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188696,1188709] [2022-07-23 04:29:54,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188847,1188860] [2022-07-23 04:29:54,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188998,1189011] [2022-07-23 04:29:54,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189146,1189159] [2022-07-23 04:29:54,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189312,1189325] [2022-07-23 04:29:54,323 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189481,1189494] [2022-07-23 04:29:54,323 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189648,1189661] [2022-07-23 04:29:54,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189816,1189829] [2022-07-23 04:29:54,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189966,1189979] [2022-07-23 04:29:54,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190113,1190126] [2022-07-23 04:29:54,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190274,1190287] [2022-07-23 04:29:54,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190444,1190457] [2022-07-23 04:29:54,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190606,1190619] [2022-07-23 04:29:54,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:29:54,896 INFO L208 MainTranslator]: Completed translation [2022-07-23 04:29:54,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:54 WrapperNode [2022-07-23 04:29:54,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 04:29:54,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 04:29:54,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 04:29:54,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 04:29:54,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:54" (1/1) ... [2022-07-23 04:29:55,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:54" (1/1) ... [2022-07-23 04:29:55,442 INFO L137 Inliner]: procedures = 1178, calls = 4145, calls flagged for inlining = 795, calls inlined = 711, statements flattened = 14771 [2022-07-23 04:29:55,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 04:29:55,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 04:29:55,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 04:29:55,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 04:29:55,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:54" (1/1) ... [2022-07-23 04:29:55,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:54" (1/1) ... [2022-07-23 04:29:55,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:54" (1/1) ... [2022-07-23 04:29:55,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:54" (1/1) ... [2022-07-23 04:29:55,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:54" (1/1) ... [2022-07-23 04:29:55,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:54" (1/1) ... [2022-07-23 04:29:55,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:54" (1/1) ... [2022-07-23 04:29:56,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 04:29:56,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 04:29:56,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 04:29:56,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 04:29:56,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:54" (1/1) ... [2022-07-23 04:29:56,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 04:29:56,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:29:56,118 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) [2022-07-23 04:29:56,138 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 [2022-07-23 04:29:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-23 04:29:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-23 04:29:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_create [2022-07-23 04:29:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_create [2022-07-23 04:29:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 04:29:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 04:29:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_write_setup [2022-07-23 04:29:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_write_setup [2022-07-23 04:29:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_write_pages [2022-07-23 04:29:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_write_pages [2022-07-23 04:29:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_alloc_createdata [2022-07-23 04:29:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_alloc_createdata [2022-07-23 04:29:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_lock_check_bounds [2022-07-23 04:29:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_lock_check_bounds [2022-07-23 04:29:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_mkdir [2022-07-23 04:29:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_mkdir [2022-07-23 04:29:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rename_setup [2022-07-23 04:29:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rename_setup [2022-07-23 04:29:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-23 04:29:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-23 04:29:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_lookup [2022-07-23 04:29:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_lookup [2022-07-23 04:29:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 04:29:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 04:29:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 04:29:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-23 04:29:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-23 04:29:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-23 04:29:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-23 04:29:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 04:29:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 04:29:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_unlink [2022-07-23 04:29:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_stat_to_errno [2022-07-23 04:29:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_stat_to_errno [2022-07-23 04:29:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-23 04:29:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-23 04:29:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 04:29:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_readdir [2022-07-23 04:29:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_readdir [2022-07-23 04:29:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 04:29:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 04:29:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 04:29:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 04:29:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure encode_sattr [2022-07-23 04:29:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure encode_sattr [2022-07-23 04:29:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rename_rpc_prepare [2022-07-23 04:29:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rename_rpc_prepare [2022-07-23 04:29:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_unlink_rpc_prepare [2022-07-23 04:29:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_unlink_rpc_prepare [2022-07-23 04:29:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_rmdir [2022-07-23 04:29:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_rmdir [2022-07-23 04:29:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_free_client [2022-07-23 04:29:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_free_client [2022-07-23 04:29:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 04:29:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 04:29:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-07-23 04:29:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-07-23 04:29:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 04:29:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_current_server_time [2022-07-23 04:29:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_current_server_time [2022-07-23 04:29:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-07-23 04:29:56,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-07-23 04:29:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_commit_rpc_prepare [2022-07-23 04:29:56,168 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_commit_rpc_prepare [2022-07-23 04:29:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_readlink [2022-07-23 04:29:56,168 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_readlink [2022-07-23 04:29:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_invalidate_atime [2022-07-23 04:29:56,168 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_invalidate_atime [2022-07-23 04:29:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_clone_server [2022-07-23 04:29:56,169 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_clone_server [2022-07-23 04:29:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-23 04:29:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-23 04:29:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_pgio_rpc_prepare [2022-07-23 04:29:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_pgio_rpc_prepare [2022-07-23 04:29:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_permission [2022-07-23 04:29:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_permission [2022-07-23 04:29:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-23 04:29:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-23 04:29:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 04:29:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-23 04:29:56,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-23 04:29:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 04:29:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_symlink [2022-07-23 04:29:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_symlink [2022-07-23 04:29:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_time [2022-07-23 04:29:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_time [2022-07-23 04:29:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2022-07-23 04:29:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2022-07-23 04:29:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rename_done [2022-07-23 04:29:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rename_done [2022-07-23 04:29:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-23 04:29:56,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-23 04:29:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-23 04:29:56,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-23 04:29:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_decode_time [2022-07-23 04:29:56,176 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_decode_time [2022-07-23 04:29:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_getattr [2022-07-23 04:29:56,176 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_getattr [2022-07-23 04:29:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure decode_attrstat [2022-07-23 04:29:56,177 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_attrstat [2022-07-23 04:29:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 04:29:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 04:29:56,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 04:29:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-07-23 04:29:56,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-07-23 04:29:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_alloc_client [2022-07-23 04:29:56,177 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_alloc_client [2022-07-23 04:29:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_lock [2022-07-23 04:29:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_lock [2022-07-23 04:29:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_statfs [2022-07-23 04:29:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_statfs [2022-07-23 04:29:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_remove [2022-07-23 04:29:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_remove [2022-07-23 04:29:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_read_done [2022-07-23 04:29:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_read_done [2022-07-23 04:29:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_reply_buffer [2022-07-23 04:29:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_reply_buffer [2022-07-23 04:29:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_read_setup [2022-07-23 04:29:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_read_setup [2022-07-23 04:29:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-23 04:29:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-23 04:29:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_return_delegation [2022-07-23 04:29:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_return_delegation [2022-07-23 04:29:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 04:29:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 04:29:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure encode_fhandle [2022-07-23 04:29:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure encode_fhandle [2022-07-23 04:29:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-23 04:29:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-23 04:29:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-23 04:29:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-23 04:29:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_instantiate [2022-07-23 04:29:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_instantiate [2022-07-23 04:29:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_commit_setup [2022-07-23 04:29:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_commit_setup [2022-07-23 04:29:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2022-07-23 04:29:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2022-07-23 04:29:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 04:29:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 04:29:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 04:29:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 04:29:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-23 04:29:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-23 04:29:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 04:29:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_link [2022-07-23 04:29:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_link [2022-07-23 04:29:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 04:29:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_pathconf [2022-07-23 04:29:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_pathconf [2022-07-23 04:29:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_rename [2022-07-23 04:29:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_rename [2022-07-23 04:29:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FH [2022-07-23 04:29:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FH [2022-07-23 04:29:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 04:29:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-23 04:29:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-23 04:29:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-23 04:29:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-23 04:29:56,184 INFO L130 BoogieDeclarations]: Found specification of procedure decode_stat [2022-07-23 04:29:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_stat [2022-07-23 04:29:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 04:29:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 04:29:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-23 04:29:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-23 04:29:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure nfs2_xdr_enc_writeargs [2022-07-23 04:29:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs2_xdr_enc_writeargs [2022-07-23 04:29:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 04:29:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 04:29:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_read_pages [2022-07-23 04:29:56,186 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_read_pages [2022-07-23 04:29:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rmdir [2022-07-23 04:29:56,186 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rmdir [2022-07-23 04:29:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-23 04:29:56,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-23 04:29:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_fattr_init [2022-07-23 04:29:56,186 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_fattr_init [2022-07-23 04:29:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_setattr [2022-07-23 04:29:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_setattr [2022-07-23 04:29:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_fsinfo [2022-07-23 04:29:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_fsinfo [2022-07-23 04:29:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure print_overflow_msg [2022-07-23 04:29:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure print_overflow_msg [2022-07-23 04:29:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2022-07-23 04:29:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2022-07-23 04:29:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_free_createdata [2022-07-23 04:29:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_free_createdata [2022-07-23 04:29:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure decode_fattr [2022-07-23 04:29:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_fattr [2022-07-23 04:29:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_CLIENT [2022-07-23 04:29:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_CLIENT [2022-07-23 04:29:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-23 04:29:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-23 04:29:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_write_done [2022-07-23 04:29:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_write_done [2022-07-23 04:29:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-23 04:29:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-23 04:29:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 04:29:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_call_start [2022-07-23 04:29:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_call_start [2022-07-23 04:29:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 04:29:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 04:29:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 04:29:56,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 04:29:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure nfs2_xdr_dec_attrstat [2022-07-23 04:29:56,190 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs2_xdr_dec_attrstat [2022-07-23 04:29:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_get_root [2022-07-23 04:29:56,190 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_get_root [2022-07-23 04:29:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_try_mount [2022-07-23 04:29:56,190 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_try_mount [2022-07-23 04:29:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure nfs2_decode_dirent [2022-07-23 04:29:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs2_decode_dirent [2022-07-23 04:29:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_create_server [2022-07-23 04:29:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_create_server [2022-07-23 04:29:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_mknod [2022-07-23 04:29:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_mknod [2022-07-23 04:29:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-23 04:29:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-23 04:29:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 04:29:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_reserve_space [2022-07-23 04:29:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_reserve_space [2022-07-23 04:29:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-23 04:29:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-23 04:29:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_close_context [2022-07-23 04:29:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_close_context [2022-07-23 04:29:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 04:29:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 04:29:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_client [2022-07-23 04:29:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_client [2022-07-23 04:29:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-23 04:29:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-23 04:29:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 04:29:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 04:29:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_unlink_done [2022-07-23 04:29:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_unlink_done [2022-07-23 04:29:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-23 04:29:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-23 04:29:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_call_sync [2022-07-23 04:29:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_call_sync [2022-07-23 04:29:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-23 04:29:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-23 04:29:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_submount [2022-07-23 04:29:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_submount [2022-07-23 04:29:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure encode_diropargs [2022-07-23 04:29:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure encode_diropargs [2022-07-23 04:29:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_time_not_set [2022-07-23 04:29:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_time_not_set [2022-07-23 04:29:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 04:29:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 04:29:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-23 04:29:56,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-23 04:29:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_unlink_setup [2022-07-23 04:29:56,196 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_unlink_setup [2022-07-23 04:29:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 04:29:56,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 04:29:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_setattr [2022-07-23 04:29:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 04:29:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_mark_for_revalidate [2022-07-23 04:29:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_mark_for_revalidate [2022-07-23 04:29:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_have_delegation [2022-07-23 04:29:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_have_delegation [2022-07-23 04:29:58,533 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 04:29:58,538 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 04:29:59,301 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 04:30:07,708 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 04:30:07,742 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 04:30:07,743 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 04:30:07,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:30:07 BoogieIcfgContainer [2022-07-23 04:30:07,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 04:30:07,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 04:30:07,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 04:30:07,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 04:30:07,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 04:29:40" (1/3) ... [2022-07-23 04:30:07,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651c9a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:30:07, skipping insertion in model container [2022-07-23 04:30:07,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:29:54" (2/3) ... [2022-07-23 04:30:07,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651c9a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:30:07, skipping insertion in model container [2022-07-23 04:30:07,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:30:07" (3/3) ... [2022-07-23 04:30:07,758 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i [2022-07-23 04:30:07,771 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 04:30:07,771 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2022-07-23 04:30:07,900 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 04:30:07,905 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@f1bc5fa, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@50f0d146 [2022-07-23 04:30:07,906 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-07-23 04:30:07,932 INFO L276 IsEmpty]: Start isEmpty. Operand has 5395 states, 3399 states have (on average 1.2509561635775228) internal successors, (4252), 3752 states have internal predecessors, (4252), 1850 states have call successors, (1850), 121 states have call predecessors, (1850), 120 states have return successors, (1824), 1548 states have call predecessors, (1824), 1824 states have call successors, (1824) [2022-07-23 04:30:07,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-07-23 04:30:07,941 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:30:07,941 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:30:07,942 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-07-23 04:30:07,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:30:07,947 INFO L85 PathProgramCache]: Analyzing trace with hash -944763359, now seen corresponding path program 1 times [2022-07-23 04:30:07,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:30:07,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714422362] [2022-07-23 04:30:07,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:30:07,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:30:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:08,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:30:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:08,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:30:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:08,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:30:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:08,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 04:30:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:08,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:30:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:08,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 04:30:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:08,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 04:30:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:08,871 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:30:08,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:30:08,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714422362] [2022-07-23 04:30:08,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714422362] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:30:08,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:30:08,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:30:08,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249587710] [2022-07-23 04:30:08,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:30:08,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:30:08,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:30:08,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:30:08,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:30:08,921 INFO L87 Difference]: Start difference. First operand has 5395 states, 3399 states have (on average 1.2509561635775228) internal successors, (4252), 3752 states have internal predecessors, (4252), 1850 states have call successors, (1850), 121 states have call predecessors, (1850), 120 states have return successors, (1824), 1548 states have call predecessors, (1824), 1824 states have call successors, (1824) Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-23 04:30:21,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:30:21,549 INFO L93 Difference]: Finished difference Result 10695 states and 15913 transitions. [2022-07-23 04:30:21,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:30:21,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2022-07-23 04:30:21,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:30:21,619 INFO L225 Difference]: With dead ends: 10695 [2022-07-23 04:30:21,619 INFO L226 Difference]: Without dead ends: 5254 [2022-07-23 04:30:21,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:30:21,663 INFO L413 NwaCegarLoop]: 7579 mSDtfsCounter, 7565 mSDsluCounter, 11493 mSDsCounter, 0 mSdLazyCounter, 6262 mSolverCounterSat, 4622 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9110 SdHoareTripleChecker+Valid, 19072 SdHoareTripleChecker+Invalid, 10884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4622 IncrementalHoareTripleChecker+Valid, 6262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-07-23 04:30:21,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9110 Valid, 19072 Invalid, 10884 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4622 Valid, 6262 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2022-07-23 04:30:21,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5254 states. [2022-07-23 04:30:22,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5254 to 5254. [2022-07-23 04:30:22,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5254 states, 3337 states have (on average 1.2322445310158825) internal successors, (4112), 3652 states have internal predecessors, (4112), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-07-23 04:30:22,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5254 states to 5254 states and 7662 transitions. [2022-07-23 04:30:22,268 INFO L78 Accepts]: Start accepts. Automaton has 5254 states and 7662 transitions. Word has length 50 [2022-07-23 04:30:22,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:30:22,270 INFO L495 AbstractCegarLoop]: Abstraction has 5254 states and 7662 transitions. [2022-07-23 04:30:22,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-23 04:30:22,271 INFO L276 IsEmpty]: Start isEmpty. Operand 5254 states and 7662 transitions. [2022-07-23 04:30:22,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-23 04:30:22,273 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:30:22,273 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:30:22,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 04:30:22,273 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-07-23 04:30:22,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:30:22,274 INFO L85 PathProgramCache]: Analyzing trace with hash -116995083, now seen corresponding path program 1 times [2022-07-23 04:30:22,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:30:22,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119085810] [2022-07-23 04:30:22,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:30:22,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:30:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:30:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:30:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:30:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 04:30:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:30:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 04:30:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 04:30:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 04:30:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:22,675 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:30:22,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:30:22,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119085810] [2022-07-23 04:30:22,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119085810] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:30:22,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:30:22,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:30:22,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506071699] [2022-07-23 04:30:22,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:30:22,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:30:22,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:30:22,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:30:22,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:30:22,679 INFO L87 Difference]: Start difference. First operand 5254 states and 7662 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 04:30:36,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:30:36,046 INFO L93 Difference]: Finished difference Result 5254 states and 7662 transitions. [2022-07-23 04:30:36,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:30:36,046 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 56 [2022-07-23 04:30:36,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:30:36,082 INFO L225 Difference]: With dead ends: 5254 [2022-07-23 04:30:36,082 INFO L226 Difference]: Without dead ends: 5252 [2022-07-23 04:30:36,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:30:36,089 INFO L413 NwaCegarLoop]: 7421 mSDtfsCounter, 7405 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6212 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8935 SdHoareTripleChecker+Valid, 18630 SdHoareTripleChecker+Invalid, 10710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 6212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-07-23 04:30:36,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8935 Valid, 18630 Invalid, 10710 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6212 Invalid, 0 Unknown, 0 Unchecked, 12.9s Time] [2022-07-23 04:30:36,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5252 states. [2022-07-23 04:30:36,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5252 to 5252. [2022-07-23 04:30:36,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5252 states, 3336 states have (on average 1.2320143884892085) internal successors, (4110), 3650 states have internal predecessors, (4110), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-07-23 04:30:36,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5252 states to 5252 states and 7660 transitions. [2022-07-23 04:30:36,506 INFO L78 Accepts]: Start accepts. Automaton has 5252 states and 7660 transitions. Word has length 56 [2022-07-23 04:30:36,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:30:36,507 INFO L495 AbstractCegarLoop]: Abstraction has 5252 states and 7660 transitions. [2022-07-23 04:30:36,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 04:30:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 5252 states and 7660 transitions. [2022-07-23 04:30:36,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-07-23 04:30:36,512 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:30:36,512 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:30:36,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 04:30:36,512 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-07-23 04:30:36,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:30:36,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1415149588, now seen corresponding path program 1 times [2022-07-23 04:30:36,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:30:36,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598308011] [2022-07-23 04:30:36,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:30:36,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:30:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:36,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:30:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:36,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:30:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:36,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:30:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:36,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 04:30:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:36,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:30:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:36,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 04:30:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:36,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 04:30:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:36,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 04:30:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:36,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:30:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:36,863 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:30:36,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:30:36,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598308011] [2022-07-23 04:30:36,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598308011] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:30:36,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:30:36,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:30:36,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540607285] [2022-07-23 04:30:36,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:30:36,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:30:36,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:30:36,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:30:36,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:30:36,867 INFO L87 Difference]: Start difference. First operand 5252 states and 7660 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, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:30:47,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:30:47,695 INFO L93 Difference]: Finished difference Result 5252 states and 7660 transitions. [2022-07-23 04:30:47,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:30:47,696 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, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 62 [2022-07-23 04:30:47,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:30:47,727 INFO L225 Difference]: With dead ends: 5252 [2022-07-23 04:30:47,727 INFO L226 Difference]: Without dead ends: 5250 [2022-07-23 04:30:47,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:30:47,734 INFO L413 NwaCegarLoop]: 7419 mSDtfsCounter, 7399 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6210 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8928 SdHoareTripleChecker+Valid, 18628 SdHoareTripleChecker+Invalid, 10708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 6210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-07-23 04:30:47,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8928 Valid, 18628 Invalid, 10708 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6210 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-07-23 04:30:47,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5250 states. [2022-07-23 04:30:48,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5250 to 5250. [2022-07-23 04:30:48,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5250 states, 3335 states have (on average 1.231784107946027) internal successors, (4108), 3648 states have internal predecessors, (4108), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-07-23 04:30:48,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5250 states to 5250 states and 7658 transitions. [2022-07-23 04:30:48,065 INFO L78 Accepts]: Start accepts. Automaton has 5250 states and 7658 transitions. Word has length 62 [2022-07-23 04:30:48,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:30:48,066 INFO L495 AbstractCegarLoop]: Abstraction has 5250 states and 7658 transitions. [2022-07-23 04:30:48,066 INFO L496 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, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:30:48,066 INFO L276 IsEmpty]: Start isEmpty. Operand 5250 states and 7658 transitions. [2022-07-23 04:30:48,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-07-23 04:30:48,071 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:30:48,072 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:30:48,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 04:30:48,072 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-07-23 04:30:48,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:30:48,073 INFO L85 PathProgramCache]: Analyzing trace with hash -670828120, now seen corresponding path program 1 times [2022-07-23 04:30:48,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:30:48,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278490557] [2022-07-23 04:30:48,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:30:48,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:30:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:48,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:30:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:48,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:30:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:30:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 04:30:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:48,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:30:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:48,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 04:30:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:48,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 04:30:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:48,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 04:30:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:48,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:30:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:48,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:30:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:30:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:30:48,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:30:48,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278490557] [2022-07-23 04:30:48,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278490557] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:30:48,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:30:48,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:30:48,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950445038] [2022-07-23 04:30:48,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:30:48,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:30:48,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:30:48,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:30:48,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:30:48,566 INFO L87 Difference]: Start difference. First operand 5250 states and 7658 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, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-23 04:31:01,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:01,304 INFO L93 Difference]: Finished difference Result 5250 states and 7658 transitions. [2022-07-23 04:31:01,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:31:01,306 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, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2022-07-23 04:31:01,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:01,339 INFO L225 Difference]: With dead ends: 5250 [2022-07-23 04:31:01,340 INFO L226 Difference]: Without dead ends: 5248 [2022-07-23 04:31:01,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:31:01,346 INFO L413 NwaCegarLoop]: 7417 mSDtfsCounter, 7393 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6208 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8921 SdHoareTripleChecker+Valid, 18626 SdHoareTripleChecker+Invalid, 10706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 6208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-07-23 04:31:01,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8921 Valid, 18626 Invalid, 10706 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6208 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2022-07-23 04:31:01,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5248 states. [2022-07-23 04:31:01,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5248 to 5248. [2022-07-23 04:31:01,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5248 states, 3334 states have (on average 1.2315536892621475) internal successors, (4106), 3646 states have internal predecessors, (4106), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-07-23 04:31:01,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5248 states to 5248 states and 7656 transitions. [2022-07-23 04:31:01,759 INFO L78 Accepts]: Start accepts. Automaton has 5248 states and 7656 transitions. Word has length 68 [2022-07-23 04:31:01,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:01,761 INFO L495 AbstractCegarLoop]: Abstraction has 5248 states and 7656 transitions. [2022-07-23 04:31:01,761 INFO L496 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, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-23 04:31:01,761 INFO L276 IsEmpty]: Start isEmpty. Operand 5248 states and 7656 transitions. [2022-07-23 04:31:01,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-07-23 04:31:01,765 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:01,765 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:31:01,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 04:31:01,765 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-07-23 04:31:01,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:01,766 INFO L85 PathProgramCache]: Analyzing trace with hash -135949064, now seen corresponding path program 1 times [2022-07-23 04:31:01,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:01,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897414083] [2022-07-23 04:31:01,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:01,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:01,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:01,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:31:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:01,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:31:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:02,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 04:31:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:02,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:02,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 04:31:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:02,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 04:31:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:02,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 04:31:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:31:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:31:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:02,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:31:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:02,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:31:02,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:02,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897414083] [2022-07-23 04:31:02,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897414083] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:02,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:02,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:31:02,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913247794] [2022-07-23 04:31:02,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:02,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:31:02,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:02,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:31:02,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:31:02,133 INFO L87 Difference]: Start difference. First operand 5248 states and 7656 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, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-23 04:31:14,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:14,306 INFO L93 Difference]: Finished difference Result 5248 states and 7656 transitions. [2022-07-23 04:31:14,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:31:14,307 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, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74 [2022-07-23 04:31:14,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:14,335 INFO L225 Difference]: With dead ends: 5248 [2022-07-23 04:31:14,335 INFO L226 Difference]: Without dead ends: 5246 [2022-07-23 04:31:14,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:31:14,341 INFO L413 NwaCegarLoop]: 7415 mSDtfsCounter, 7387 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6206 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8914 SdHoareTripleChecker+Valid, 18624 SdHoareTripleChecker+Invalid, 10704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 6206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-07-23 04:31:14,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8914 Valid, 18624 Invalid, 10704 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6206 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2022-07-23 04:31:14,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5246 states. [2022-07-23 04:31:14,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5246 to 5246. [2022-07-23 04:31:14,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5246 states, 3333 states have (on average 1.2313231323132314) internal successors, (4104), 3644 states have internal predecessors, (4104), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-07-23 04:31:14,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5246 states to 5246 states and 7654 transitions. [2022-07-23 04:31:14,683 INFO L78 Accepts]: Start accepts. Automaton has 5246 states and 7654 transitions. Word has length 74 [2022-07-23 04:31:14,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:14,684 INFO L495 AbstractCegarLoop]: Abstraction has 5246 states and 7654 transitions. [2022-07-23 04:31:14,684 INFO L496 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, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-23 04:31:14,684 INFO L276 IsEmpty]: Start isEmpty. Operand 5246 states and 7654 transitions. [2022-07-23 04:31:14,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-23 04:31:14,685 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:14,685 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:31:14,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 04:31:14,686 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-07-23 04:31:14,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:14,687 INFO L85 PathProgramCache]: Analyzing trace with hash -107039956, now seen corresponding path program 1 times [2022-07-23 04:31:14,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:14,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60057430] [2022-07-23 04:31:14,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:14,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:14,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:14,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:31:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:14,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:31:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:14,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 04:31:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:14,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:14,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 04:31:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:14,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 04:31:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:14,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 04:31:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:14,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:31:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:15,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:31:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:15,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:31:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:15,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 04:31:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:15,047 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:31:15,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:15,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60057430] [2022-07-23 04:31:15,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60057430] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:15,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:15,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:31:15,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285014596] [2022-07-23 04:31:15,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:15,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:31:15,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:15,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:31:15,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:31:15,049 INFO L87 Difference]: Start difference. First operand 5246 states and 7654 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, (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) [2022-07-23 04:31:16,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:31:28,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:28,734 INFO L93 Difference]: Finished difference Result 5246 states and 7654 transitions. [2022-07-23 04:31:28,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:31:28,734 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, (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 80 [2022-07-23 04:31:28,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:28,756 INFO L225 Difference]: With dead ends: 5246 [2022-07-23 04:31:28,757 INFO L226 Difference]: Without dead ends: 5244 [2022-07-23 04:31:28,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:31:28,763 INFO L413 NwaCegarLoop]: 7413 mSDtfsCounter, 7381 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6204 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8907 SdHoareTripleChecker+Valid, 18622 SdHoareTripleChecker+Invalid, 10702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 6204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-07-23 04:31:28,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8907 Valid, 18622 Invalid, 10702 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6204 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2022-07-23 04:31:28,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5244 states. [2022-07-23 04:31:29,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5244 to 5244. [2022-07-23 04:31:29,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5244 states, 3332 states have (on average 1.23109243697479) internal successors, (4102), 3642 states have internal predecessors, (4102), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-07-23 04:31:29,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5244 states to 5244 states and 7652 transitions. [2022-07-23 04:31:29,108 INFO L78 Accepts]: Start accepts. Automaton has 5244 states and 7652 transitions. Word has length 80 [2022-07-23 04:31:29,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:29,109 INFO L495 AbstractCegarLoop]: Abstraction has 5244 states and 7652 transitions. [2022-07-23 04:31:29,109 INFO L496 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, (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) [2022-07-23 04:31:29,109 INFO L276 IsEmpty]: Start isEmpty. Operand 5244 states and 7652 transitions. [2022-07-23 04:31:29,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-07-23 04:31:29,113 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:29,113 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:31:29,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 04:31:29,113 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-07-23 04:31:29,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:29,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1125642395, now seen corresponding path program 1 times [2022-07-23 04:31:29,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:29,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97795028] [2022-07-23 04:31:29,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:29,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:29,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:29,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:31:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:29,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:31:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:29,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 04:31:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:29,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:29,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 04:31:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:29,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 04:31:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:29,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 04:31:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:29,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:31:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:29,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:31:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:29,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:31:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:29,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 04:31:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:29,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-23 04:31:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:29,504 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:31:29,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:29,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97795028] [2022-07-23 04:31:29,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97795028] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:29,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:29,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:31:29,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080014243] [2022-07-23 04:31:29,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:29,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:31:29,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:29,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:31:29,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:31:29,507 INFO L87 Difference]: Start difference. First operand 5244 states and 7652 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, (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) [2022-07-23 04:31:31,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:31:43,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:43,600 INFO L93 Difference]: Finished difference Result 5244 states and 7652 transitions. [2022-07-23 04:31:43,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:31:43,601 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, (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 86 [2022-07-23 04:31:43,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:43,616 INFO L225 Difference]: With dead ends: 5244 [2022-07-23 04:31:43,617 INFO L226 Difference]: Without dead ends: 5242 [2022-07-23 04:31:43,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:31:43,619 INFO L413 NwaCegarLoop]: 7411 mSDtfsCounter, 7375 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6202 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8900 SdHoareTripleChecker+Valid, 18620 SdHoareTripleChecker+Invalid, 10700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 6202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-07-23 04:31:43,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8900 Valid, 18620 Invalid, 10700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6202 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2022-07-23 04:31:43,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5242 states. [2022-07-23 04:31:43,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5242 to 5242. [2022-07-23 04:31:43,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5242 states, 3331 states have (on average 1.2308616031221855) internal successors, (4100), 3640 states have internal predecessors, (4100), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-07-23 04:31:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5242 states to 5242 states and 7650 transitions. [2022-07-23 04:31:43,957 INFO L78 Accepts]: Start accepts. Automaton has 5242 states and 7650 transitions. Word has length 86 [2022-07-23 04:31:43,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:43,958 INFO L495 AbstractCegarLoop]: Abstraction has 5242 states and 7650 transitions. [2022-07-23 04:31:43,958 INFO L496 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, (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) [2022-07-23 04:31:43,958 INFO L276 IsEmpty]: Start isEmpty. Operand 5242 states and 7650 transitions. [2022-07-23 04:31:43,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-23 04:31:43,961 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:43,961 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:31:43,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 04:31:43,962 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-07-23 04:31:43,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:43,963 INFO L85 PathProgramCache]: Analyzing trace with hash -800428171, now seen corresponding path program 1 times [2022-07-23 04:31:43,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:43,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213233003] [2022-07-23 04:31:43,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:43,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:31:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:31:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 04:31:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 04:31:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 04:31:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 04:31:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:31:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:31:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:31:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 04:31:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-23 04:31:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 04:31:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,367 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:31:44,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:44,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213233003] [2022-07-23 04:31:44,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213233003] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:44,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:44,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:31:44,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837420168] [2022-07-23 04:31:44,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:44,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:31:44,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:44,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:31:44,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:31:44,370 INFO L87 Difference]: Start difference. First operand 5242 states and 7650 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, (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) [2022-07-23 04:31:46,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:31:55,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:55,909 INFO L93 Difference]: Finished difference Result 5242 states and 7650 transitions. [2022-07-23 04:31:55,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:31:55,909 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, (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 92 [2022-07-23 04:31:55,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:55,930 INFO L225 Difference]: With dead ends: 5242 [2022-07-23 04:31:55,931 INFO L226 Difference]: Without dead ends: 5240 [2022-07-23 04:31:55,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:31:55,936 INFO L413 NwaCegarLoop]: 7409 mSDtfsCounter, 7373 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6196 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8897 SdHoareTripleChecker+Valid, 18618 SdHoareTripleChecker+Invalid, 10694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 6196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-07-23 04:31:55,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8897 Valid, 18618 Invalid, 10694 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6196 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2022-07-23 04:31:55,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5240 states. [2022-07-23 04:31:56,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5240 to 5240. [2022-07-23 04:31:56,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5240 states, 3330 states have (on average 1.2306306306306307) internal successors, (4098), 3638 states have internal predecessors, (4098), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-07-23 04:31:56,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5240 states to 5240 states and 7648 transitions. [2022-07-23 04:31:56,293 INFO L78 Accepts]: Start accepts. Automaton has 5240 states and 7648 transitions. Word has length 92 [2022-07-23 04:31:56,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:56,293 INFO L495 AbstractCegarLoop]: Abstraction has 5240 states and 7648 transitions. [2022-07-23 04:31:56,294 INFO L496 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, (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) [2022-07-23 04:31:56,294 INFO L276 IsEmpty]: Start isEmpty. Operand 5240 states and 7648 transitions. [2022-07-23 04:31:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-23 04:31:56,295 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:56,295 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:31:56,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 04:31:56,295 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-07-23 04:31:56,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:56,296 INFO L85 PathProgramCache]: Analyzing trace with hash -412192424, now seen corresponding path program 1 times [2022-07-23 04:31:56,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:56,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791575486] [2022-07-23 04:31:56,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:56,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:31:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:31:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 04:31:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 04:31:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 04:31:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 04:31:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:31:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:31:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:31:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 04:31:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-23 04:31:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 04:31:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,644 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:31:56,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:56,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791575486] [2022-07-23 04:31:56,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791575486] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:56,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:56,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:31:56,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934711181] [2022-07-23 04:31:56,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:56,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:31:56,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:56,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:31:56,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:31:56,647 INFO L87 Difference]: Start difference. First operand 5240 states and 7648 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 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) [2022-07-23 04:32:10,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:10,694 INFO L93 Difference]: Finished difference Result 5240 states and 7648 transitions. [2022-07-23 04:32:10,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:10,695 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 94 [2022-07-23 04:32:10,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:10,720 INFO L225 Difference]: With dead ends: 5240 [2022-07-23 04:32:10,720 INFO L226 Difference]: Without dead ends: 5238 [2022-07-23 04:32:10,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:32:10,727 INFO L413 NwaCegarLoop]: 7407 mSDtfsCounter, 7361 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6198 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8885 SdHoareTripleChecker+Valid, 18616 SdHoareTripleChecker+Invalid, 10696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 6198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:10,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8885 Valid, 18616 Invalid, 10696 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6198 Invalid, 0 Unknown, 0 Unchecked, 13.6s Time] [2022-07-23 04:32:10,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5238 states. [2022-07-23 04:32:11,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5238 to 5238. [2022-07-23 04:32:11,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5238 states, 3329 states have (on average 1.2303995193751878) internal successors, (4096), 3636 states have internal predecessors, (4096), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-07-23 04:32:11,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5238 states to 5238 states and 7646 transitions. [2022-07-23 04:32:11,138 INFO L78 Accepts]: Start accepts. Automaton has 5238 states and 7646 transitions. Word has length 94 [2022-07-23 04:32:11,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:11,139 INFO L495 AbstractCegarLoop]: Abstraction has 5238 states and 7646 transitions. [2022-07-23 04:32:11,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 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) [2022-07-23 04:32:11,139 INFO L276 IsEmpty]: Start isEmpty. Operand 5238 states and 7646 transitions. [2022-07-23 04:32:11,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-07-23 04:32:11,140 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:11,140 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:32:11,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 04:32:11,141 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-07-23 04:32:11,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:11,142 INFO L85 PathProgramCache]: Analyzing trace with hash 306975492, now seen corresponding path program 1 times [2022-07-23 04:32:11,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:11,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727481856] [2022-07-23 04:32:11,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:11,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:11,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:11,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:32:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:11,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:11,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 04:32:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:11,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:11,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 04:32:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:11,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 04:32:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:11,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 04:32:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:32:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:11,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:32:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:11,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:32:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:11,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 04:32:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:11,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-23 04:32:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:11,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 04:32:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:11,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 04:32:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:32:11,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:11,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727481856] [2022-07-23 04:32:11,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727481856] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:11,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:11,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:11,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819520364] [2022-07-23 04:32:11,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:11,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:11,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:11,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:11,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:11,462 INFO L87 Difference]: Start difference. First operand 5238 states and 7646 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 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) [2022-07-23 04:32:22,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:22,509 INFO L93 Difference]: Finished difference Result 5238 states and 7646 transitions. [2022-07-23 04:32:22,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:22,510 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 100 [2022-07-23 04:32:22,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:22,531 INFO L225 Difference]: With dead ends: 5238 [2022-07-23 04:32:22,532 INFO L226 Difference]: Without dead ends: 5236 [2022-07-23 04:32:22,536 INFO L412 NwaCegarLoop]: 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 [2022-07-23 04:32:22,537 INFO L413 NwaCegarLoop]: 7405 mSDtfsCounter, 7357 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6196 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8880 SdHoareTripleChecker+Valid, 18614 SdHoareTripleChecker+Invalid, 10694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 6196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:22,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8880 Valid, 18614 Invalid, 10694 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6196 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2022-07-23 04:32:22,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5236 states. [2022-07-23 04:32:22,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5236 to 5236. [2022-07-23 04:32:22,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5236 states, 3328 states have (on average 1.2301682692307692) internal successors, (4094), 3634 states have internal predecessors, (4094), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-07-23 04:32:22,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 5236 states and 7644 transitions. [2022-07-23 04:32:22,893 INFO L78 Accepts]: Start accepts. Automaton has 5236 states and 7644 transitions. Word has length 100 [2022-07-23 04:32:22,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:22,894 INFO L495 AbstractCegarLoop]: Abstraction has 5236 states and 7644 transitions. [2022-07-23 04:32:22,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 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) [2022-07-23 04:32:22,894 INFO L276 IsEmpty]: Start isEmpty. Operand 5236 states and 7644 transitions. [2022-07-23 04:32:22,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-23 04:32:22,896 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:22,896 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:32:22,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 04:32:22,897 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-07-23 04:32:22,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:22,897 INFO L85 PathProgramCache]: Analyzing trace with hash 2136352058, now seen corresponding path program 1 times [2022-07-23 04:32:22,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:22,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502218102] [2022-07-23 04:32:22,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:22,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:23,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:23,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:32:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:23,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:23,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 04:32:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:23,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:23,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 04:32:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:23,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 04:32:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:23,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 04:32:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:23,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:32:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:23,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:32:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:23,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:32:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:23,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 04:32:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:23,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-23 04:32:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:23,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 04:32:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:23,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 04:32:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:23,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:32:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:32:23,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:23,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502218102] [2022-07-23 04:32:23,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502218102] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:23,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:23,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:23,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043048882] [2022-07-23 04:32:23,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:23,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:23,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:23,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:23,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:23,230 INFO L87 Difference]: Start difference. First operand 5236 states and 7644 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, (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) [2022-07-23 04:32:36,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:36,017 INFO L93 Difference]: Finished difference Result 5236 states and 7644 transitions. [2022-07-23 04:32:36,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:36,018 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, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106 [2022-07-23 04:32:36,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:36,038 INFO L225 Difference]: With dead ends: 5236 [2022-07-23 04:32:36,038 INFO L226 Difference]: Without dead ends: 5234 [2022-07-23 04:32:36,045 INFO L412 NwaCegarLoop]: 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 [2022-07-23 04:32:36,045 INFO L413 NwaCegarLoop]: 7403 mSDtfsCounter, 7351 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6194 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8873 SdHoareTripleChecker+Valid, 18612 SdHoareTripleChecker+Invalid, 10692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 6194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:36,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8873 Valid, 18612 Invalid, 10692 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6194 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2022-07-23 04:32:36,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5234 states. [2022-07-23 04:32:36,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5234 to 5234. [2022-07-23 04:32:36,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5234 states, 3327 states have (on average 1.229936880072137) internal successors, (4092), 3632 states have internal predecessors, (4092), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-07-23 04:32:36,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5234 states to 5234 states and 7642 transitions. [2022-07-23 04:32:36,503 INFO L78 Accepts]: Start accepts. Automaton has 5234 states and 7642 transitions. Word has length 106 [2022-07-23 04:32:36,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:36,503 INFO L495 AbstractCegarLoop]: Abstraction has 5234 states and 7642 transitions. [2022-07-23 04:32:36,504 INFO L496 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, (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) [2022-07-23 04:32:36,504 INFO L276 IsEmpty]: Start isEmpty. Operand 5234 states and 7642 transitions. [2022-07-23 04:32:36,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-23 04:32:36,506 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:36,506 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:32:36,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 04:32:36,506 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-07-23 04:32:36,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:36,507 INFO L85 PathProgramCache]: Analyzing trace with hash 869079226, now seen corresponding path program 1 times [2022-07-23 04:32:36,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:36,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263413497] [2022-07-23 04:32:36,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:36,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:32:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 04:32:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 04:32:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 04:32:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 04:32:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:32:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:32:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:32:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 04:32:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-23 04:32:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 04:32:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 04:32:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:32:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:32:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,830 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:32:36,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:36,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263413497] [2022-07-23 04:32:36,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263413497] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:36,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:36,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:36,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27541616] [2022-07-23 04:32:36,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:36,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:36,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:36,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:36,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:36,832 INFO L87 Difference]: Start difference. First operand 5234 states and 7642 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 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) [2022-07-23 04:32:39,546 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:32:41,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:32:50,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:50,895 INFO L93 Difference]: Finished difference Result 5234 states and 7642 transitions. [2022-07-23 04:32:50,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:50,895 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 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 112 [2022-07-23 04:32:50,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:50,917 INFO L225 Difference]: With dead ends: 5234 [2022-07-23 04:32:50,918 INFO L226 Difference]: Without dead ends: 5232 [2022-07-23 04:32:50,923 INFO L412 NwaCegarLoop]: 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 [2022-07-23 04:32:50,924 INFO L413 NwaCegarLoop]: 7401 mSDtfsCounter, 7345 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6191 mSolverCounterSat, 4498 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8866 SdHoareTripleChecker+Valid, 18610 SdHoareTripleChecker+Invalid, 10690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 6191 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:50,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8866 Valid, 18610 Invalid, 10690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6191 Invalid, 1 Unknown, 0 Unchecked, 13.5s Time] [2022-07-23 04:32:50,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5232 states. [2022-07-23 04:32:51,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5232 to 5232. [2022-07-23 04:32:51,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5232 states, 3326 states have (on average 1.2297053517739025) internal successors, (4090), 3630 states have internal predecessors, (4090), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-07-23 04:32:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5232 states to 5232 states and 7640 transitions. [2022-07-23 04:32:51,314 INFO L78 Accepts]: Start accepts. Automaton has 5232 states and 7640 transitions. Word has length 112 [2022-07-23 04:32:51,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:51,316 INFO L495 AbstractCegarLoop]: Abstraction has 5232 states and 7640 transitions. [2022-07-23 04:32:51,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 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) [2022-07-23 04:32:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 5232 states and 7640 transitions. [2022-07-23 04:32:51,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-23 04:32:51,318 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:51,318 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:32:51,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 04:32:51,319 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-07-23 04:32:51,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:51,319 INFO L85 PathProgramCache]: Analyzing trace with hash -574328519, now seen corresponding path program 1 times [2022-07-23 04:32:51,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:51,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023343807] [2022-07-23 04:32:51,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:51,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:32:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 04:32:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 04:32:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 04:32:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 04:32:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:32:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:32:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:32:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 04:32:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-23 04:32:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 04:32:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 04:32:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:32:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:32:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 04:32:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:51,709 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:32:51,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:51,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023343807] [2022-07-23 04:32:51,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023343807] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:51,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:51,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:51,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712574840] [2022-07-23 04:32:51,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:51,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:51,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:51,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:51,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:51,713 INFO L87 Difference]: Start difference. First operand 5232 states and 7640 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, (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) [2022-07-23 04:33:05,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:33:05,927 INFO L93 Difference]: Finished difference Result 5232 states and 7640 transitions. [2022-07-23 04:33:05,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:33:05,928 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, (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 118 [2022-07-23 04:33:05,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:33:05,944 INFO L225 Difference]: With dead ends: 5232 [2022-07-23 04:33:05,944 INFO L226 Difference]: Without dead ends: 5230 [2022-07-23 04:33:05,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:33:05,949 INFO L413 NwaCegarLoop]: 7399 mSDtfsCounter, 7339 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6190 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8859 SdHoareTripleChecker+Valid, 18608 SdHoareTripleChecker+Invalid, 10688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 6190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-07-23 04:33:05,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8859 Valid, 18608 Invalid, 10688 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6190 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2022-07-23 04:33:05,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5230 states. [2022-07-23 04:33:06,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5230 to 5230. [2022-07-23 04:33:06,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5230 states, 3325 states have (on average 1.2294736842105263) internal successors, (4088), 3628 states have internal predecessors, (4088), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-07-23 04:33:06,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5230 states to 5230 states and 7638 transitions. [2022-07-23 04:33:06,396 INFO L78 Accepts]: Start accepts. Automaton has 5230 states and 7638 transitions. Word has length 118 [2022-07-23 04:33:06,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:33:06,397 INFO L495 AbstractCegarLoop]: Abstraction has 5230 states and 7638 transitions. [2022-07-23 04:33:06,397 INFO L496 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, (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) [2022-07-23 04:33:06,397 INFO L276 IsEmpty]: Start isEmpty. Operand 5230 states and 7638 transitions. [2022-07-23 04:33:06,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-23 04:33:06,400 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:33:06,400 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:33:06,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-23 04:33:06,400 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-07-23 04:33:06,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:33:06,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1828773943, now seen corresponding path program 1 times [2022-07-23 04:33:06,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:33:06,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305323885] [2022-07-23 04:33:06,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:06,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:33:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:33:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:33:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 04:33:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 04:33:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 04:33:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 04:33:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:33:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:33:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:33:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 04:33:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-23 04:33:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 04:33:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 04:33:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:33:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:33:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 04:33:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 04:33:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:06,805 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:33:06,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:33:06,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305323885] [2022-07-23 04:33:06,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305323885] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:33:06,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:33:06,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:33:06,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642521846] [2022-07-23 04:33:06,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:33:06,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:33:06,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:33:06,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:33:06,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:33:06,808 INFO L87 Difference]: Start difference. First operand 5230 states and 7638 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, (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) [2022-07-23 04:33:17,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:33:17,314 INFO L93 Difference]: Finished difference Result 5230 states and 7638 transitions. [2022-07-23 04:33:17,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:33:17,315 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, (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 124 [2022-07-23 04:33:17,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:33:17,332 INFO L225 Difference]: With dead ends: 5230 [2022-07-23 04:33:17,332 INFO L226 Difference]: Without dead ends: 5228 [2022-07-23 04:33:17,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:33:17,336 INFO L413 NwaCegarLoop]: 7397 mSDtfsCounter, 7333 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6188 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8852 SdHoareTripleChecker+Valid, 18606 SdHoareTripleChecker+Invalid, 10686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 6188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:33:17,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8852 Valid, 18606 Invalid, 10686 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6188 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-07-23 04:33:17,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5228 states. [2022-07-23 04:33:17,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5228 to 5228. [2022-07-23 04:33:17,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5228 states, 3324 states have (on average 1.2292418772563176) internal successors, (4086), 3626 states have internal predecessors, (4086), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-07-23 04:33:17,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5228 states to 5228 states and 7636 transitions. [2022-07-23 04:33:17,716 INFO L78 Accepts]: Start accepts. Automaton has 5228 states and 7636 transitions. Word has length 124 [2022-07-23 04:33:17,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:33:17,716 INFO L495 AbstractCegarLoop]: Abstraction has 5228 states and 7636 transitions. [2022-07-23 04:33:17,716 INFO L496 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, (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) [2022-07-23 04:33:17,716 INFO L276 IsEmpty]: Start isEmpty. Operand 5228 states and 7636 transitions. [2022-07-23 04:33:17,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-23 04:33:17,717 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:33:17,718 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:33:17,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-23 04:33:17,718 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-07-23 04:33:17,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:33:17,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1873078433, now seen corresponding path program 1 times [2022-07-23 04:33:17,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:33:17,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211653169] [2022-07-23 04:33:17,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:17,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:33:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:33:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 04:33:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 04:33:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 04:33:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 04:33:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 04:33:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 04:33:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:33:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:18,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:33:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:18,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 04:33:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:18,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-23 04:33:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:18,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 04:33:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:18,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 04:33:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:18,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:33:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:18,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:33:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:18,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 04:33:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:18,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 04:33:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:18,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 04:33:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:33:18,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:33:18,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211653169] [2022-07-23 04:33:18,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211653169] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:33:18,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:33:18,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:33:18,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471624555] [2022-07-23 04:33:18,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:33:18,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:33:18,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:33:18,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:33:18,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:33:18,215 INFO L87 Difference]: Start difference. First operand 5228 states and 7636 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, (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)