./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 eb692b52 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-?-eb692b5 [2022-07-20 04:14:43,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 04:14:43,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 04:14:43,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 04:14:43,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 04:14:43,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 04:14:43,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 04:14:43,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 04:14:43,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 04:14:43,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 04:14:43,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 04:14:43,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 04:14:43,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 04:14:43,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 04:14:43,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 04:14:43,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 04:14:43,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 04:14:43,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 04:14:43,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 04:14:43,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 04:14:43,217 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 04:14:43,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 04:14:43,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 04:14:43,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 04:14:43,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 04:14:43,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 04:14:43,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 04:14:43,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 04:14:43,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 04:14:43,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 04:14:43,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 04:14:43,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 04:14:43,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 04:14:43,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 04:14:43,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 04:14:43,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 04:14:43,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 04:14:43,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 04:14:43,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 04:14:43,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 04:14:43,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 04:14:43,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 04:14:43,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 04:14:43,264 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 04:14:43,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 04:14:43,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 04:14:43,266 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 04:14:43,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 04:14:43,266 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 04:14:43,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 04:14:43,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 04:14:43,267 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 04:14:43,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 04:14:43,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 04:14:43,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 04:14:43,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 04:14:43,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 04:14:43,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 04:14:43,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 04:14:43,270 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 04:14:43,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 04:14:43,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 04:14:43,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 04:14:43,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 04:14:43,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 04:14:43,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 04:14:43,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 04:14:43,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 04:14:43,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 04:14:43,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 04:14:43,272 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 04:14:43,273 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 04:14:43,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 04:14:43,273 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32187ad6a98dd17c1b18f8e1b845f566cde13ca56738d1b8876a5b9bb005af7a [2022-07-20 04:14:43,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 04:14:43,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 04:14:43,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 04:14:43,560 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 04:14:43,561 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 04:14:43,562 INFO L432 ainManager$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 [2022-07-20 04:14:43,619 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236be7b89/3be11e14bea345c793b32ce0f809b128/FLAG1be56e687 [2022-07-20 04:14:44,602 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 04:14:44,603 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 [2022-07-20 04:14:44,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236be7b89/3be11e14bea345c793b32ce0f809b128/FLAG1be56e687 [2022-07-20 04:14:44,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236be7b89/3be11e14bea345c793b32ce0f809b128 [2022-07-20 04:14:44,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 04:14:44,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 04:14:44,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 04:14:44,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 04:14:44,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 04:14:44,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:14:44" (1/1) ... [2022-07-20 04:14:44,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a923fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:44, skipping insertion in model container [2022-07-20 04:14:44,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:14:44" (1/1) ... [2022-07-20 04:14:44,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 04:14:45,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 04:14:57,059 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 04:14:57,135 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 04:14:57,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,630 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,630 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,630 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,647 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,647 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,647 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-20 04:14:57,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 04:14:58,374 INFO L208 MainTranslator]: Completed translation [2022-07-20 04:14:58,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:58 WrapperNode [2022-07-20 04:14:58,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 04:14:58,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 04:14:58,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 04:14:58,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 04:14:58,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:58" (1/1) ... [2022-07-20 04:14:58,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:58" (1/1) ... [2022-07-20 04:14:59,013 INFO L137 Inliner]: procedures = 1178, calls = 4145, calls flagged for inlining = 795, calls inlined = 711, statements flattened = 14771 [2022-07-20 04:14:59,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 04:14:59,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 04:14:59,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 04:14:59,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 04:14:59,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:58" (1/1) ... [2022-07-20 04:14:59,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:58" (1/1) ... [2022-07-20 04:14:59,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:58" (1/1) ... [2022-07-20 04:14:59,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:58" (1/1) ... [2022-07-20 04:14:59,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:58" (1/1) ... [2022-07-20 04:14:59,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:58" (1/1) ... [2022-07-20 04:14:59,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:58" (1/1) ... [2022-07-20 04:14:59,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 04:14:59,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 04:14:59,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 04:14:59,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 04:14:59,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:58" (1/1) ... [2022-07-20 04:14:59,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 04:14:59,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:14:59,701 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) [2022-07-20 04:14:59,775 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 [2022-07-20 04:14:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-20 04:14:59,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-20 04:14:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_create [2022-07-20 04:14:59,824 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_create [2022-07-20 04:14:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 04:14:59,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 04:14:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_write_setup [2022-07-20 04:14:59,824 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_write_setup [2022-07-20 04:14:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_write_pages [2022-07-20 04:14:59,824 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_write_pages [2022-07-20 04:14:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_alloc_createdata [2022-07-20 04:14:59,824 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_alloc_createdata [2022-07-20 04:14:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_lock_check_bounds [2022-07-20 04:14:59,824 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_lock_check_bounds [2022-07-20 04:14:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_mkdir [2022-07-20 04:14:59,824 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_mkdir [2022-07-20 04:14:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rename_setup [2022-07-20 04:14:59,824 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rename_setup [2022-07-20 04:14:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-20 04:14:59,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-20 04:14:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_lookup [2022-07-20 04:14:59,825 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_lookup [2022-07-20 04:14:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 04:14:59,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 04:14:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 04:14:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-20 04:14:59,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-20 04:14:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-20 04:14:59,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-20 04:14:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 04:14:59,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 04:14:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_unlink [2022-07-20 04:14:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_stat_to_errno [2022-07-20 04:14:59,826 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_stat_to_errno [2022-07-20 04:14:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-20 04:14:59,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-20 04:14:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 04:14:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_readdir [2022-07-20 04:14:59,826 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_readdir [2022-07-20 04:14:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 04:14:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 04:14:59,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 04:14:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 04:14:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure encode_sattr [2022-07-20 04:14:59,826 INFO L138 BoogieDeclarations]: Found implementation of procedure encode_sattr [2022-07-20 04:14:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rename_rpc_prepare [2022-07-20 04:14:59,827 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rename_rpc_prepare [2022-07-20 04:14:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_unlink_rpc_prepare [2022-07-20 04:14:59,827 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_unlink_rpc_prepare [2022-07-20 04:14:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_rmdir [2022-07-20 04:14:59,827 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_rmdir [2022-07-20 04:14:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_free_client [2022-07-20 04:14:59,827 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_free_client [2022-07-20 04:14:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 04:14:59,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 04:14:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-07-20 04:14:59,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-07-20 04:14:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 04:14:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_current_server_time [2022-07-20 04:14:59,828 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_current_server_time [2022-07-20 04:14:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-07-20 04:14:59,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-07-20 04:14:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_commit_rpc_prepare [2022-07-20 04:14:59,828 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_commit_rpc_prepare [2022-07-20 04:14:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_readlink [2022-07-20 04:14:59,828 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_readlink [2022-07-20 04:14:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_invalidate_atime [2022-07-20 04:14:59,828 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_invalidate_atime [2022-07-20 04:14:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_clone_server [2022-07-20 04:14:59,828 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_clone_server [2022-07-20 04:14:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-20 04:14:59,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-20 04:14:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_pgio_rpc_prepare [2022-07-20 04:14:59,829 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_pgio_rpc_prepare [2022-07-20 04:14:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_permission [2022-07-20 04:14:59,829 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_permission [2022-07-20 04:14:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-20 04:14:59,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-20 04:14:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 04:14:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-20 04:14:59,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-20 04:14:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 04:14:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_symlink [2022-07-20 04:14:59,830 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_symlink [2022-07-20 04:14:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_time [2022-07-20 04:14:59,831 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_time [2022-07-20 04:14:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2022-07-20 04:14:59,831 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2022-07-20 04:14:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rename_done [2022-07-20 04:14:59,831 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rename_done [2022-07-20 04:14:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-20 04:14:59,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-20 04:14:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-20 04:14:59,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-20 04:14:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_decode_time [2022-07-20 04:14:59,832 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_decode_time [2022-07-20 04:14:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_getattr [2022-07-20 04:14:59,832 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_getattr [2022-07-20 04:14:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure decode_attrstat [2022-07-20 04:14:59,833 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_attrstat [2022-07-20 04:14:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 04:14:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 04:14:59,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 04:14:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-07-20 04:14:59,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-07-20 04:14:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_alloc_client [2022-07-20 04:14:59,833 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_alloc_client [2022-07-20 04:14:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_lock [2022-07-20 04:14:59,834 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_lock [2022-07-20 04:14:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_statfs [2022-07-20 04:14:59,834 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_statfs [2022-07-20 04:14:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_remove [2022-07-20 04:14:59,837 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_remove [2022-07-20 04:14:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_read_done [2022-07-20 04:14:59,837 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_read_done [2022-07-20 04:14:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_reply_buffer [2022-07-20 04:14:59,838 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_reply_buffer [2022-07-20 04:14:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_read_setup [2022-07-20 04:14:59,838 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_read_setup [2022-07-20 04:14:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-20 04:14:59,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-20 04:14:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_return_delegation [2022-07-20 04:14:59,838 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_return_delegation [2022-07-20 04:14:59,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 04:14:59,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 04:14:59,839 INFO L130 BoogieDeclarations]: Found specification of procedure encode_fhandle [2022-07-20 04:14:59,839 INFO L138 BoogieDeclarations]: Found implementation of procedure encode_fhandle [2022-07-20 04:14:59,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-20 04:14:59,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-20 04:14:59,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-20 04:14:59,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-20 04:14:59,840 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_instantiate [2022-07-20 04:14:59,840 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_instantiate [2022-07-20 04:14:59,840 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_commit_setup [2022-07-20 04:14:59,840 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_commit_setup [2022-07-20 04:14:59,840 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2022-07-20 04:14:59,840 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2022-07-20 04:14:59,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 04:14:59,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 04:14:59,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 04:14:59,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 04:14:59,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-20 04:14:59,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-20 04:14:59,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 04:14:59,856 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_link [2022-07-20 04:14:59,856 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_link [2022-07-20 04:14:59,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 04:14:59,856 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_pathconf [2022-07-20 04:14:59,856 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_pathconf [2022-07-20 04:14:59,856 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_rename [2022-07-20 04:14:59,856 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_rename [2022-07-20 04:14:59,856 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FH [2022-07-20 04:14:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FH [2022-07-20 04:14:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 04:14:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-20 04:14:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-20 04:14:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-20 04:14:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-20 04:14:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure decode_stat [2022-07-20 04:14:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_stat [2022-07-20 04:14:59,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 04:14:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 04:14:59,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-20 04:14:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-20 04:14:59,858 INFO L130 BoogieDeclarations]: Found specification of procedure nfs2_xdr_enc_writeargs [2022-07-20 04:14:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs2_xdr_enc_writeargs [2022-07-20 04:14:59,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 04:14:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 04:14:59,859 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_read_pages [2022-07-20 04:14:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_read_pages [2022-07-20 04:14:59,859 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rmdir [2022-07-20 04:14:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rmdir [2022-07-20 04:14:59,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-20 04:14:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-20 04:14:59,859 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_fattr_init [2022-07-20 04:14:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_fattr_init [2022-07-20 04:14:59,860 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_setattr [2022-07-20 04:14:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_setattr [2022-07-20 04:14:59,860 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_fsinfo [2022-07-20 04:14:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_fsinfo [2022-07-20 04:14:59,860 INFO L130 BoogieDeclarations]: Found specification of procedure print_overflow_msg [2022-07-20 04:14:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure print_overflow_msg [2022-07-20 04:14:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2022-07-20 04:14:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2022-07-20 04:14:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_free_createdata [2022-07-20 04:14:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_free_createdata [2022-07-20 04:14:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure decode_fattr [2022-07-20 04:14:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_fattr [2022-07-20 04:14:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_CLIENT [2022-07-20 04:14:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_CLIENT [2022-07-20 04:14:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-20 04:14:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-20 04:14:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_write_done [2022-07-20 04:14:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_write_done [2022-07-20 04:14:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-20 04:14:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-20 04:14:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 04:14:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_call_start [2022-07-20 04:14:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_call_start [2022-07-20 04:14:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 04:14:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 04:14:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 04:14:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 04:14:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure nfs2_xdr_dec_attrstat [2022-07-20 04:14:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs2_xdr_dec_attrstat [2022-07-20 04:14:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_get_root [2022-07-20 04:14:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_get_root [2022-07-20 04:14:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_try_mount [2022-07-20 04:14:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_try_mount [2022-07-20 04:14:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure nfs2_decode_dirent [2022-07-20 04:14:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs2_decode_dirent [2022-07-20 04:14:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_create_server [2022-07-20 04:14:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_create_server [2022-07-20 04:14:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_mknod [2022-07-20 04:14:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_mknod [2022-07-20 04:14:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-20 04:14:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-20 04:14:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 04:14:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_reserve_space [2022-07-20 04:14:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_reserve_space [2022-07-20 04:14:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-20 04:14:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-20 04:14:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_close_context [2022-07-20 04:14:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_close_context [2022-07-20 04:14:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 04:14:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 04:14:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_client [2022-07-20 04:14:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_client [2022-07-20 04:14:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-20 04:14:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-20 04:14:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 04:14:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 04:14:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_unlink_done [2022-07-20 04:14:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_unlink_done [2022-07-20 04:14:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-20 04:14:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-20 04:14:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_call_sync [2022-07-20 04:14:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_call_sync [2022-07-20 04:14:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-20 04:14:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-20 04:14:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_submount [2022-07-20 04:14:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_submount [2022-07-20 04:14:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure encode_diropargs [2022-07-20 04:14:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure encode_diropargs [2022-07-20 04:14:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_time_not_set [2022-07-20 04:14:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_time_not_set [2022-07-20 04:14:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 04:14:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 04:14:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-20 04:14:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-20 04:14:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_unlink_setup [2022-07-20 04:14:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_unlink_setup [2022-07-20 04:14:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 04:14:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 04:14:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_setattr [2022-07-20 04:14:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 04:14:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_mark_for_revalidate [2022-07-20 04:14:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_mark_for_revalidate [2022-07-20 04:14:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_have_delegation [2022-07-20 04:14:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_have_delegation [2022-07-20 04:15:02,203 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 04:15:02,206 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 04:15:02,604 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 04:15:10,930 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 04:15:10,980 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 04:15:10,981 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 04:15:10,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:15:10 BoogieIcfgContainer [2022-07-20 04:15:10,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 04:15:10,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 04:15:10,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 04:15:10,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 04:15:11,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:14:44" (1/3) ... [2022-07-20 04:15:11,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25268d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:15:11, skipping insertion in model container [2022-07-20 04:15:11,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:14:58" (2/3) ... [2022-07-20 04:15:11,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25268d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:15:11, skipping insertion in model container [2022-07-20 04:15:11,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:15:10" (3/3) ... [2022-07-20 04:15:11,004 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i [2022-07-20 04:15:11,018 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 04:15:11,018 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2022-07-20 04:15:11,181 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 04:15:11,190 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@73162d85, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2bcf5d7 [2022-07-20 04:15:11,191 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-07-20 04:15:11,209 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) [2022-07-20 04:15:11,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-07-20 04:15:11,218 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:15:11,219 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] [2022-07-20 04:15:11,220 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)] === [2022-07-20 04:15:11,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:15:11,226 INFO L85 PathProgramCache]: Analyzing trace with hash -944763359, now seen corresponding path program 1 times [2022-07-20 04:15:11,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:15:11,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991884085] [2022-07-20 04:15:11,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:15:11,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:15:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:11,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:15:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:12,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 04:15:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:12,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:15:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:12,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 04:15:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:12,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:12,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 04:15:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:12,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 04:15:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:12,161 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:15:12,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:15:12,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991884085] [2022-07-20 04:15:12,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991884085] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:15:12,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:15:12,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:15:12,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800403325] [2022-07-20 04:15:12,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:15:12,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:15:12,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:15:12,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:15:12,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:15:12,205 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) [2022-07-20 04:15:24,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:15:24,652 INFO L93 Difference]: Finished difference Result 10695 states and 15913 transitions. [2022-07-20 04:15:24,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:15:24,660 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 [2022-07-20 04:15:24,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:15:24,711 INFO L225 Difference]: With dead ends: 10695 [2022-07-20 04:15:24,712 INFO L226 Difference]: Without dead ends: 5254 [2022-07-20 04:15:24,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:15:24,749 INFO L413 NwaCegarLoop]: 7579 mSDtfsCounter, 7565 mSDsluCounter, 11493 mSDsCounter, 0 mSdLazyCounter, 6262 mSolverCounterSat, 4622 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s 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, 11.7s IncrementalHoareTripleChecker+Time [2022-07-20 04:15:24,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9110 Valid, 19072 Invalid, 10884 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4622 Valid, 6262 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2022-07-20 04:15:24,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5254 states. [2022-07-20 04:15:25,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5254 to 5254. [2022-07-20 04:15:25,240 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) [2022-07-20 04:15:25,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5254 states to 5254 states and 7662 transitions. [2022-07-20 04:15:25,309 INFO L78 Accepts]: Start accepts. Automaton has 5254 states and 7662 transitions. Word has length 50 [2022-07-20 04:15:25,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:15:25,312 INFO L495 AbstractCegarLoop]: Abstraction has 5254 states and 7662 transitions. [2022-07-20 04:15:25,314 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) [2022-07-20 04:15:25,314 INFO L276 IsEmpty]: Start isEmpty. Operand 5254 states and 7662 transitions. [2022-07-20 04:15:25,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-20 04:15:25,318 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:15:25,318 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] [2022-07-20 04:15:25,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 04:15:25,319 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)] === [2022-07-20 04:15:25,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:15:25,320 INFO L85 PathProgramCache]: Analyzing trace with hash -116995083, now seen corresponding path program 1 times [2022-07-20 04:15:25,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:15:25,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518011809] [2022-07-20 04:15:25,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:15:25,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:15:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:25,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:15:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:25,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 04:15:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:25,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:15:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:25,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 04:15:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:25,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:25,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 04:15:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:25,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 04:15:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:25,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 04:15:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:25,744 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:15:25,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:15:25,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518011809] [2022-07-20 04:15:25,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518011809] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:15:25,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:15:25,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:15:25,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93075198] [2022-07-20 04:15:25,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:15:25,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:15:25,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:15:25,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:15:25,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:15:25,748 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) [2022-07-20 04:15:38,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:15:38,522 INFO L93 Difference]: Finished difference Result 5254 states and 7662 transitions. [2022-07-20 04:15:38,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:15:38,523 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 [2022-07-20 04:15:38,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:15:38,557 INFO L225 Difference]: With dead ends: 5254 [2022-07-20 04:15:38,557 INFO L226 Difference]: Without dead ends: 5252 [2022-07-20 04:15:38,563 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 [2022-07-20 04:15:38,564 INFO L413 NwaCegarLoop]: 7421 mSDtfsCounter, 7405 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6212 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s 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, 12.3s IncrementalHoareTripleChecker+Time [2022-07-20 04:15:38,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8935 Valid, 18630 Invalid, 10710 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6212 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2022-07-20 04:15:38,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5252 states. [2022-07-20 04:15:38,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5252 to 5252. [2022-07-20 04:15:39,000 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) [2022-07-20 04:15:39,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5252 states to 5252 states and 7660 transitions. [2022-07-20 04:15:39,037 INFO L78 Accepts]: Start accepts. Automaton has 5252 states and 7660 transitions. Word has length 56 [2022-07-20 04:15:39,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:15:39,038 INFO L495 AbstractCegarLoop]: Abstraction has 5252 states and 7660 transitions. [2022-07-20 04:15:39,038 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) [2022-07-20 04:15:39,038 INFO L276 IsEmpty]: Start isEmpty. Operand 5252 states and 7660 transitions. [2022-07-20 04:15:39,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-07-20 04:15:39,042 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:15:39,042 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] [2022-07-20 04:15:39,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 04:15:39,043 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)] === [2022-07-20 04:15:39,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:15:39,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1415149588, now seen corresponding path program 1 times [2022-07-20 04:15:39,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:15:39,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970854730] [2022-07-20 04:15:39,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:15:39,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:15:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:39,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:15:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:39,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 04:15:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:39,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:15:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:39,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 04:15:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:39,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:39,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 04:15:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:39,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 04:15:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:39,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 04:15:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:39,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 04:15:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:15:39,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:15:39,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970854730] [2022-07-20 04:15:39,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970854730] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:15:39,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:15:39,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:15:39,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605874318] [2022-07-20 04:15:39,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:15:39,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:15:39,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:15:39,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:15:39,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:15:39,449 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) [2022-07-20 04:15:50,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:15:50,052 INFO L93 Difference]: Finished difference Result 5252 states and 7660 transitions. [2022-07-20 04:15:50,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:15:50,053 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 [2022-07-20 04:15:50,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:15:50,080 INFO L225 Difference]: With dead ends: 5252 [2022-07-20 04:15:50,081 INFO L226 Difference]: Without dead ends: 5250 [2022-07-20 04:15:50,086 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 [2022-07-20 04:15:50,087 INFO L413 NwaCegarLoop]: 7419 mSDtfsCounter, 7399 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6210 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s 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, 10.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:15:50,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8928 Valid, 18628 Invalid, 10708 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6210 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2022-07-20 04:15:50,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5250 states. [2022-07-20 04:15:50,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5250 to 5250. [2022-07-20 04:15:50,380 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) [2022-07-20 04:15:50,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5250 states to 5250 states and 7658 transitions. [2022-07-20 04:15:50,406 INFO L78 Accepts]: Start accepts. Automaton has 5250 states and 7658 transitions. Word has length 62 [2022-07-20 04:15:50,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:15:50,407 INFO L495 AbstractCegarLoop]: Abstraction has 5250 states and 7658 transitions. [2022-07-20 04:15:50,407 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) [2022-07-20 04:15:50,407 INFO L276 IsEmpty]: Start isEmpty. Operand 5250 states and 7658 transitions. [2022-07-20 04:15:50,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-07-20 04:15:50,412 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:15:50,412 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] [2022-07-20 04:15:50,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 04:15:50,413 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)] === [2022-07-20 04:15:50,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:15:50,414 INFO L85 PathProgramCache]: Analyzing trace with hash -670828120, now seen corresponding path program 1 times [2022-07-20 04:15:50,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:15:50,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739176892] [2022-07-20 04:15:50,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:15:50,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:15:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:50,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:15:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:50,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 04:15:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:50,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:15:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:50,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 04:15:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:50,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:15:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:50,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 04:15:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:50,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 04:15:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:50,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 04:15:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:50,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 04:15:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:50,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 04:15:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:15:50,811 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:15:50,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:15:50,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739176892] [2022-07-20 04:15:50,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739176892] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:15:50,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:15:50,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:15:50,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58590119] [2022-07-20 04:15:50,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:15:50,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:15:50,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:15:50,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:15:50,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:15:50,814 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) [2022-07-20 04:16:02,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:02,208 INFO L93 Difference]: Finished difference Result 5250 states and 7658 transitions. [2022-07-20 04:16:02,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:16:02,209 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 [2022-07-20 04:16:02,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:02,237 INFO L225 Difference]: With dead ends: 5250 [2022-07-20 04:16:02,237 INFO L226 Difference]: Without dead ends: 5248 [2022-07-20 04:16:02,243 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 [2022-07-20 04:16:02,245 INFO L413 NwaCegarLoop]: 7417 mSDtfsCounter, 7393 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6208 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s 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, 11.0s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:02,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8921 Valid, 18626 Invalid, 10706 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6208 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2022-07-20 04:16:02,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5248 states. [2022-07-20 04:16:02,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5248 to 5248. [2022-07-20 04:16:02,543 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) [2022-07-20 04:16:02,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5248 states to 5248 states and 7656 transitions. [2022-07-20 04:16:02,569 INFO L78 Accepts]: Start accepts. Automaton has 5248 states and 7656 transitions. Word has length 68 [2022-07-20 04:16:02,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:02,572 INFO L495 AbstractCegarLoop]: Abstraction has 5248 states and 7656 transitions. [2022-07-20 04:16:02,572 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) [2022-07-20 04:16:02,572 INFO L276 IsEmpty]: Start isEmpty. Operand 5248 states and 7656 transitions. [2022-07-20 04:16:02,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-07-20 04:16:02,576 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:02,576 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] [2022-07-20 04:16:02,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 04:16:02,576 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)] === [2022-07-20 04:16:02,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:02,577 INFO L85 PathProgramCache]: Analyzing trace with hash -135949064, now seen corresponding path program 1 times [2022-07-20 04:16:02,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:02,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094369254] [2022-07-20 04:16:02,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:02,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:02,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:02,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 04:16:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:02,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:02,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 04:16:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:02,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:02,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 04:16:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:02,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 04:16:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:02,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 04:16:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:02,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 04:16:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:02,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 04:16:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:02,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-20 04:16:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:02,905 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:16:02,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:02,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094369254] [2022-07-20 04:16:02,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094369254] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:02,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:02,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:02,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890191691] [2022-07-20 04:16:02,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:02,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:02,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:02,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:02,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:02,909 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) [2022-07-20 04:16:14,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:14,454 INFO L93 Difference]: Finished difference Result 5248 states and 7656 transitions. [2022-07-20 04:16:14,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:16:14,454 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 [2022-07-20 04:16:14,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:14,481 INFO L225 Difference]: With dead ends: 5248 [2022-07-20 04:16:14,482 INFO L226 Difference]: Without dead ends: 5246 [2022-07-20 04:16:14,486 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 [2022-07-20 04:16:14,487 INFO L413 NwaCegarLoop]: 7415 mSDtfsCounter, 7387 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6206 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s 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, 11.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:14,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8914 Valid, 18624 Invalid, 10704 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6206 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2022-07-20 04:16:14,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5246 states. [2022-07-20 04:16:14,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5246 to 5246. [2022-07-20 04:16:14,772 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) [2022-07-20 04:16:14,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5246 states to 5246 states and 7654 transitions. [2022-07-20 04:16:14,800 INFO L78 Accepts]: Start accepts. Automaton has 5246 states and 7654 transitions. Word has length 74 [2022-07-20 04:16:14,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:14,800 INFO L495 AbstractCegarLoop]: Abstraction has 5246 states and 7654 transitions. [2022-07-20 04:16:14,800 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) [2022-07-20 04:16:14,801 INFO L276 IsEmpty]: Start isEmpty. Operand 5246 states and 7654 transitions. [2022-07-20 04:16:14,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-20 04:16:14,801 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:14,802 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] [2022-07-20 04:16:14,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 04:16:14,802 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)] === [2022-07-20 04:16:14,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:14,803 INFO L85 PathProgramCache]: Analyzing trace with hash -107039956, now seen corresponding path program 1 times [2022-07-20 04:16:14,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:14,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136149550] [2022-07-20 04:16:14,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:14,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:14,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 04:16:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:15,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:15,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 04:16:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:15,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:15,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 04:16:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:15,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 04:16:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 04:16:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 04:16:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:15,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 04:16:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-20 04:16:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:15,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 04:16:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:16:15,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:15,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136149550] [2022-07-20 04:16:15,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136149550] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:15,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:15,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:15,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748855867] [2022-07-20 04:16:15,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:15,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:15,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:15,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:15,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:15,146 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) [2022-07-20 04:16:17,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:16:27,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:27,240 INFO L93 Difference]: Finished difference Result 5246 states and 7654 transitions. [2022-07-20 04:16:27,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:16:27,241 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 [2022-07-20 04:16:27,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:27,267 INFO L225 Difference]: With dead ends: 5246 [2022-07-20 04:16:27,267 INFO L226 Difference]: Without dead ends: 5244 [2022-07-20 04:16:27,273 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 [2022-07-20 04:16:27,274 INFO L413 NwaCegarLoop]: 7413 mSDtfsCounter, 7381 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6204 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s 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, 11.6s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:27,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8907 Valid, 18622 Invalid, 10702 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6204 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2022-07-20 04:16:27,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5244 states. [2022-07-20 04:16:27,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5244 to 5244. [2022-07-20 04:16:27,593 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) [2022-07-20 04:16:27,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5244 states to 5244 states and 7652 transitions. [2022-07-20 04:16:27,622 INFO L78 Accepts]: Start accepts. Automaton has 5244 states and 7652 transitions. Word has length 80 [2022-07-20 04:16:27,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:27,623 INFO L495 AbstractCegarLoop]: Abstraction has 5244 states and 7652 transitions. [2022-07-20 04:16:27,623 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) [2022-07-20 04:16:27,624 INFO L276 IsEmpty]: Start isEmpty. Operand 5244 states and 7652 transitions. [2022-07-20 04:16:27,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-07-20 04:16:27,627 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:27,627 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] [2022-07-20 04:16:27,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 04:16:27,628 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)] === [2022-07-20 04:16:27,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:27,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1125642395, now seen corresponding path program 1 times [2022-07-20 04:16:27,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:27,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310467774] [2022-07-20 04:16:27,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:27,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 04:16:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 04:16:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 04:16:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 04:16:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 04:16:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 04:16:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 04:16:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-20 04:16:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 04:16:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-20 04:16:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:16:27,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:27,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310467774] [2022-07-20 04:16:27,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310467774] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:27,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:27,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:27,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703345631] [2022-07-20 04:16:27,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:27,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:27,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:27,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:27,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:27,977 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) [2022-07-20 04:16:30,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:16:40,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:40,808 INFO L93 Difference]: Finished difference Result 5244 states and 7652 transitions. [2022-07-20 04:16:40,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:16:40,808 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 [2022-07-20 04:16:40,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:40,828 INFO L225 Difference]: With dead ends: 5244 [2022-07-20 04:16:40,828 INFO L226 Difference]: Without dead ends: 5242 [2022-07-20 04:16:40,833 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 [2022-07-20 04:16:40,834 INFO L413 NwaCegarLoop]: 7411 mSDtfsCounter, 7375 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6202 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s 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, 12.4s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:40,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8900 Valid, 18620 Invalid, 10700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6202 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2022-07-20 04:16:40,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5242 states. [2022-07-20 04:16:41,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5242 to 5242. [2022-07-20 04:16:41,124 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) [2022-07-20 04:16:41,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5242 states to 5242 states and 7650 transitions. [2022-07-20 04:16:41,150 INFO L78 Accepts]: Start accepts. Automaton has 5242 states and 7650 transitions. Word has length 86 [2022-07-20 04:16:41,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:41,151 INFO L495 AbstractCegarLoop]: Abstraction has 5242 states and 7650 transitions. [2022-07-20 04:16:41,151 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) [2022-07-20 04:16:41,151 INFO L276 IsEmpty]: Start isEmpty. Operand 5242 states and 7650 transitions. [2022-07-20 04:16:41,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-20 04:16:41,154 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:41,155 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] [2022-07-20 04:16:41,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 04:16:41,155 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)] === [2022-07-20 04:16:41,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:41,156 INFO L85 PathProgramCache]: Analyzing trace with hash -800428171, now seen corresponding path program 1 times [2022-07-20 04:16:41,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:41,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752847270] [2022-07-20 04:16:41,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:41,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 04:16:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 04:16:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 04:16:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 04:16:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 04:16:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 04:16:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 04:16:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-20 04:16:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 04:16:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-20 04:16:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 04:16:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,507 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:16:41,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:41,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752847270] [2022-07-20 04:16:41,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752847270] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:41,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:41,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:41,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202727378] [2022-07-20 04:16:41,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:41,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:41,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:41,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:41,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:41,510 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) [2022-07-20 04:16:44,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:16:54,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:54,517 INFO L93 Difference]: Finished difference Result 5242 states and 7650 transitions. [2022-07-20 04:16:54,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:16:54,518 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 [2022-07-20 04:16:54,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:54,542 INFO L225 Difference]: With dead ends: 5242 [2022-07-20 04:16:54,542 INFO L226 Difference]: Without dead ends: 5240 [2022-07-20 04:16:54,549 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 [2022-07-20 04:16:54,550 INFO L413 NwaCegarLoop]: 7409 mSDtfsCounter, 7373 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6196 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s 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, 12.6s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:54,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8897 Valid, 18618 Invalid, 10694 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6196 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2022-07-20 04:16:54,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5240 states. [2022-07-20 04:16:54,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5240 to 5240. [2022-07-20 04:16:54,877 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) [2022-07-20 04:16:54,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5240 states to 5240 states and 7648 transitions. [2022-07-20 04:16:54,905 INFO L78 Accepts]: Start accepts. Automaton has 5240 states and 7648 transitions. Word has length 92 [2022-07-20 04:16:54,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:54,905 INFO L495 AbstractCegarLoop]: Abstraction has 5240 states and 7648 transitions. [2022-07-20 04:16:54,906 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) [2022-07-20 04:16:54,906 INFO L276 IsEmpty]: Start isEmpty. Operand 5240 states and 7648 transitions. [2022-07-20 04:16:54,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-20 04:16:54,907 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:54,907 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] [2022-07-20 04:16:54,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 04:16:54,907 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)] === [2022-07-20 04:16:54,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:54,908 INFO L85 PathProgramCache]: Analyzing trace with hash -412192424, now seen corresponding path program 1 times [2022-07-20 04:16:54,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:54,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816096294] [2022-07-20 04:16:54,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:54,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:55,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:55,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 04:16:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:55,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:55,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 04:16:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:55,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:55,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 04:16:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:55,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 04:16:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:55,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 04:16:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:55,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 04:16:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:55,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 04:16:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:55,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-20 04:16:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:55,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 04:16:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:55,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-20 04:16:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:55,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 04:16:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:55,234 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:16:55,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:55,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816096294] [2022-07-20 04:16:55,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816096294] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:55,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:55,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:55,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580037389] [2022-07-20 04:16:55,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:55,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:55,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:55,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:55,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:55,237 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) [2022-07-20 04:16:57,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:17:09,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:09,222 INFO L93 Difference]: Finished difference Result 5240 states and 7648 transitions. [2022-07-20 04:17:09,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:09,222 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 [2022-07-20 04:17:09,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:09,246 INFO L225 Difference]: With dead ends: 5240 [2022-07-20 04:17:09,247 INFO L226 Difference]: Without dead ends: 5238 [2022-07-20 04:17:09,253 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 [2022-07-20 04:17:09,253 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, 13.5s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:09,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8885 Valid, 18616 Invalid, 10696 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6198 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2022-07-20 04:17:09,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5238 states. [2022-07-20 04:17:09,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5238 to 5238. [2022-07-20 04:17:09,589 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) [2022-07-20 04:17:09,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5238 states to 5238 states and 7646 transitions. [2022-07-20 04:17:09,616 INFO L78 Accepts]: Start accepts. Automaton has 5238 states and 7646 transitions. Word has length 94 [2022-07-20 04:17:09,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:09,616 INFO L495 AbstractCegarLoop]: Abstraction has 5238 states and 7646 transitions. [2022-07-20 04:17:09,617 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) [2022-07-20 04:17:09,617 INFO L276 IsEmpty]: Start isEmpty. Operand 5238 states and 7646 transitions. [2022-07-20 04:17:09,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-07-20 04:17:09,618 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:09,618 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] [2022-07-20 04:17:09,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 04:17:09,619 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)] === [2022-07-20 04:17:09,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:09,619 INFO L85 PathProgramCache]: Analyzing trace with hash 306975492, now seen corresponding path program 1 times [2022-07-20 04:17:09,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:09,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258489183] [2022-07-20 04:17:09,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:09,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 04:17:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 04:17:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 04:17:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 04:17:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 04:17:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 04:17:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 04:17:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-20 04:17:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 04:17:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:10,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-20 04:17:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:10,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 04:17:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:10,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 04:17:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:10,042 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:17:10,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:10,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258489183] [2022-07-20 04:17:10,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258489183] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:10,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:10,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:17:10,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946935138] [2022-07-20 04:17:10,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:10,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:10,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:10,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:10,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:17:10,045 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) [2022-07-20 04:17:11,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:17:24,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:24,592 INFO L93 Difference]: Finished difference Result 5238 states and 7646 transitions. [2022-07-20 04:17:24,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:24,592 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 [2022-07-20 04:17:24,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:24,616 INFO L225 Difference]: With dead ends: 5238 [2022-07-20 04:17:24,616 INFO L226 Difference]: Without dead ends: 5236 [2022-07-20 04:17:24,622 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 [2022-07-20 04:17:24,623 INFO L413 NwaCegarLoop]: 7405 mSDtfsCounter, 7357 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6196 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s 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, 14.1s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:24,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8880 Valid, 18614 Invalid, 10694 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6196 Invalid, 0 Unknown, 0 Unchecked, 14.1s Time] [2022-07-20 04:17:24,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5236 states. [2022-07-20 04:17:25,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5236 to 5236. [2022-07-20 04:17:25,058 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) [2022-07-20 04:17:25,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 5236 states and 7644 transitions. [2022-07-20 04:17:25,086 INFO L78 Accepts]: Start accepts. Automaton has 5236 states and 7644 transitions. Word has length 100 [2022-07-20 04:17:25,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:25,086 INFO L495 AbstractCegarLoop]: Abstraction has 5236 states and 7644 transitions. [2022-07-20 04:17:25,087 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) [2022-07-20 04:17:25,087 INFO L276 IsEmpty]: Start isEmpty. Operand 5236 states and 7644 transitions. [2022-07-20 04:17:25,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-20 04:17:25,089 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:25,090 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] [2022-07-20 04:17:25,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 04:17:25,090 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)] === [2022-07-20 04:17:25,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:25,091 INFO L85 PathProgramCache]: Analyzing trace with hash 2136352058, now seen corresponding path program 1 times [2022-07-20 04:17:25,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:25,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024982198] [2022-07-20 04:17:25,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:25,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:25,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:25,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 04:17:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:25,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:25,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 04:17:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:25,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:25,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 04:17:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:25,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 04:17:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:25,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 04:17:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:25,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 04:17:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:25,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 04:17:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:25,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-20 04:17:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:25,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 04:17:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:25,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-20 04:17:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:25,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 04:17:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:25,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 04:17:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:25,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:17:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:25,431 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:17:25,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:25,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024982198] [2022-07-20 04:17:25,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024982198] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:25,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:25,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:17:25,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613216828] [2022-07-20 04:17:25,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:25,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:25,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:25,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:25,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:17:25,434 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) [2022-07-20 04:17:27,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 04:17:39,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:39,011 INFO L93 Difference]: Finished difference Result 5236 states and 7644 transitions. [2022-07-20 04:17:39,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:39,012 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 [2022-07-20 04:17:39,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:39,030 INFO L225 Difference]: With dead ends: 5236 [2022-07-20 04:17:39,031 INFO L226 Difference]: Without dead ends: 5234 [2022-07-20 04:17:39,036 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 [2022-07-20 04:17:39,037 INFO L413 NwaCegarLoop]: 7403 mSDtfsCounter, 7351 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6194 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s 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, 13.1s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:39,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8873 Valid, 18612 Invalid, 10692 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6194 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2022-07-20 04:17:39,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5234 states. [2022-07-20 04:17:39,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5234 to 5234. [2022-07-20 04:17:39,424 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) [2022-07-20 04:17:39,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5234 states to 5234 states and 7642 transitions. [2022-07-20 04:17:39,449 INFO L78 Accepts]: Start accepts. Automaton has 5234 states and 7642 transitions. Word has length 106 [2022-07-20 04:17:39,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:39,449 INFO L495 AbstractCegarLoop]: Abstraction has 5234 states and 7642 transitions. [2022-07-20 04:17:39,450 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) [2022-07-20 04:17:39,450 INFO L276 IsEmpty]: Start isEmpty. Operand 5234 states and 7642 transitions. [2022-07-20 04:17:39,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-20 04:17:39,452 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:39,452 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] [2022-07-20 04:17:39,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 04:17:39,452 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)] === [2022-07-20 04:17:39,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:39,453 INFO L85 PathProgramCache]: Analyzing trace with hash 869079226, now seen corresponding path program 1 times [2022-07-20 04:17:39,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:39,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580376287] [2022-07-20 04:17:39,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:39,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 04:17:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 04:17:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 04:17:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 04:17:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 04:17:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 04:17:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 04:17:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-20 04:17:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 04:17:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-20 04:17:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 04:17:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 04:17:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:17:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:17:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:17:39,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:39,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580376287] [2022-07-20 04:17:39,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580376287] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:39,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:39,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:17:39,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5199689] [2022-07-20 04:17:39,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:39,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:39,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:39,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:39,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:17:39,770 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) [2022-07-20 04:17:51,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:51,604 INFO L93 Difference]: Finished difference Result 5234 states and 7642 transitions. [2022-07-20 04:17:51,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:51,605 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 [2022-07-20 04:17:51,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:51,617 INFO L225 Difference]: With dead ends: 5234 [2022-07-20 04:17:51,617 INFO L226 Difference]: Without dead ends: 5232 [2022-07-20 04:17:51,620 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 [2022-07-20 04:17:51,621 INFO L413 NwaCegarLoop]: 7401 mSDtfsCounter, 7345 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6192 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8866 SdHoareTripleChecker+Valid, 18610 SdHoareTripleChecker+Invalid, 10690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 6192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:51,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8866 Valid, 18610 Invalid, 10690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6192 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-07-20 04:17:51,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5232 states. [2022-07-20 04:17:51,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5232 to 5232. [2022-07-20 04:17:51,932 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) [2022-07-20 04:17:51,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5232 states to 5232 states and 7640 transitions. [2022-07-20 04:17:51,958 INFO L78 Accepts]: Start accepts. Automaton has 5232 states and 7640 transitions. Word has length 112 [2022-07-20 04:17:51,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:51,959 INFO L495 AbstractCegarLoop]: Abstraction has 5232 states and 7640 transitions. [2022-07-20 04:17:51,959 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) [2022-07-20 04:17:51,959 INFO L276 IsEmpty]: Start isEmpty. Operand 5232 states and 7640 transitions. [2022-07-20 04:17:51,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-20 04:17:51,960 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:51,961 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:51,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 04:17:51,961 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)] === [2022-07-20 04:17:51,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:51,961 INFO L85 PathProgramCache]: Analyzing trace with hash -574328519, now seen corresponding path program 1 times [2022-07-20 04:17:51,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:51,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454689261] [2022-07-20 04:17:51,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:51,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 04:17:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 04:17:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 04:17:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 04:17:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 04:17:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 04:17:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 04:17:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-20 04:17:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 04:17:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-20 04:17:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 04:17:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 04:17:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:17:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:17:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-20 04:17:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,291 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:17:52,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:52,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454689261] [2022-07-20 04:17:52,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454689261] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:52,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:52,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:17:52,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815898609] [2022-07-20 04:17:52,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:52,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:52,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:52,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:52,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:17:52,294 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) [2022-07-20 04:17:54,992 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 [] [2022-07-20 04:18:07,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:18:07,022 INFO L93 Difference]: Finished difference Result 5232 states and 7640 transitions. [2022-07-20 04:18:07,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:18:07,023 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 [2022-07-20 04:18:07,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:18:07,040 INFO L225 Difference]: With dead ends: 5232 [2022-07-20 04:18:07,040 INFO L226 Difference]: Without dead ends: 5230 [2022-07-20 04:18:07,044 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 [2022-07-20 04:18:07,045 INFO L413 NwaCegarLoop]: 7399 mSDtfsCounter, 7339 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6189 mSolverCounterSat, 4498 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8859 SdHoareTripleChecker+Valid, 18608 SdHoareTripleChecker+Invalid, 10688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 6189 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:18:07,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8859 Valid, 18608 Invalid, 10688 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6189 Invalid, 1 Unknown, 0 Unchecked, 14.2s Time] [2022-07-20 04:18:07,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5230 states. [2022-07-20 04:18:07,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5230 to 5230. [2022-07-20 04:18:07,418 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) [2022-07-20 04:18:07,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5230 states to 5230 states and 7638 transitions. [2022-07-20 04:18:07,452 INFO L78 Accepts]: Start accepts. Automaton has 5230 states and 7638 transitions. Word has length 118 [2022-07-20 04:18:07,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:18:07,453 INFO L495 AbstractCegarLoop]: Abstraction has 5230 states and 7638 transitions. [2022-07-20 04:18:07,453 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) [2022-07-20 04:18:07,454 INFO L276 IsEmpty]: Start isEmpty. Operand 5230 states and 7638 transitions. [2022-07-20 04:18:07,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-20 04:18:07,455 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:18:07,455 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] [2022-07-20 04:18:07,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 04:18:07,455 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)] === [2022-07-20 04:18:07,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:18:07,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1828773943, now seen corresponding path program 1 times [2022-07-20 04:18:07,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:18:07,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916477043] [2022-07-20 04:18:07,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:18:07,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:18:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:18:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 04:18:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 04:18:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 04:18:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 04:18:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 04:18:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 04:18:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 04:18:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-20 04:18:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 04:18:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-20 04:18:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 04:18:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 04:18:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:18:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:18:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-20 04:18:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 04:18:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:07,834 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:18:07,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:18:07,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916477043] [2022-07-20 04:18:07,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916477043] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:18:07,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:18:07,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:18:07,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35380345] [2022-07-20 04:18:07,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:18:07,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:18:07,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:18:07,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:18:07,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:18:07,838 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) [2022-07-20 04:18:21,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:18:21,311 INFO L93 Difference]: Finished difference Result 5230 states and 7638 transitions. [2022-07-20 04:18:21,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:18:21,312 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 [2022-07-20 04:18:21,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:18:21,334 INFO L225 Difference]: With dead ends: 5230 [2022-07-20 04:18:21,335 INFO L226 Difference]: Without dead ends: 5228 [2022-07-20 04:18:21,340 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 [2022-07-20 04:18:21,340 INFO L413 NwaCegarLoop]: 7397 mSDtfsCounter, 7333 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 6188 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s 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, 13.0s IncrementalHoareTripleChecker+Time [2022-07-20 04:18:21,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8852 Valid, 18606 Invalid, 10686 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6188 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2022-07-20 04:18:21,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5228 states. [2022-07-20 04:18:21,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5228 to 5228. [2022-07-20 04:18:21,667 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) [2022-07-20 04:18:21,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5228 states to 5228 states and 7636 transitions. [2022-07-20 04:18:21,693 INFO L78 Accepts]: Start accepts. Automaton has 5228 states and 7636 transitions. Word has length 124 [2022-07-20 04:18:21,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:18:21,693 INFO L495 AbstractCegarLoop]: Abstraction has 5228 states and 7636 transitions. [2022-07-20 04:18:21,693 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) [2022-07-20 04:18:21,694 INFO L276 IsEmpty]: Start isEmpty. Operand 5228 states and 7636 transitions. [2022-07-20 04:18:21,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-20 04:18:21,695 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:18:21,695 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] [2022-07-20 04:18:21,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 04:18:21,695 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)] === [2022-07-20 04:18:21,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:18:21,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1873078433, now seen corresponding path program 1 times [2022-07-20 04:18:21,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:18:21,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306006348] [2022-07-20 04:18:21,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:18:21,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:18:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:21,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:18:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:21,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 04:18:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:21,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:21,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 04:18:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:21,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:21,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 04:18:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:21,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 04:18:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:21,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 04:18:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:21,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 04:18:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:21,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 04:18:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:21,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-20 04:18:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:22,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 04:18:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:22,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-20 04:18:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:22,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 04:18:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:22,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 04:18:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:22,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:18:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:22,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:18:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:22,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-20 04:18:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:22,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 04:18:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:22,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-20 04:18:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:22,174 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:18:22,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:18:22,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306006348] [2022-07-20 04:18:22,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306006348] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:18:22,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:18:22,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:18:22,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442370989] [2022-07-20 04:18:22,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:18:22,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:18:22,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:18:22,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:18:22,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:18:22,176 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)