./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.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 26f15b7e6740f578c6e54d216b7f2e3d14f4b637cdec8f40f3de59ca32c0137e --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 05:26:47,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 05:26:47,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 05:26:47,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 05:26:47,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 05:26:47,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 05:26:47,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 05:26:47,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 05:26:47,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 05:26:47,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 05:26:47,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 05:26:47,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 05:26:47,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 05:26:47,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 05:26:47,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 05:26:47,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 05:26:47,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 05:26:47,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 05:26:47,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 05:26:47,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 05:26:47,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 05:26:47,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 05:26:47,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 05:26:47,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 05:26:47,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 05:26:47,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 05:26:47,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 05:26:47,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 05:26:47,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 05:26:47,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 05:26:47,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 05:26:47,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 05:26:47,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 05:26:47,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 05:26:47,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 05:26:47,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 05:26:47,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 05:26:47,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 05:26:47,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 05:26:47,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 05:26:47,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 05:26:47,250 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 05:26:47,277 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 05:26:47,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 05:26:47,278 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 05:26:47,278 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 05:26:47,279 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 05:26:47,279 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 05:26:47,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 05:26:47,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 05:26:47,279 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 05:26:47,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 05:26:47,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 05:26:47,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 05:26:47,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 05:26:47,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 05:26:47,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 05:26:47,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 05:26:47,281 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 05:26:47,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 05:26:47,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 05:26:47,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 05:26:47,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 05:26:47,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:26:47,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 05:26:47,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 05:26:47,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 05:26:47,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 05:26:47,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 05:26:47,284 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 05:26:47,284 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 05:26:47,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 05:26:47,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 05:26:47,284 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26f15b7e6740f578c6e54d216b7f2e3d14f4b637cdec8f40f3de59ca32c0137e [2021-12-16 05:26:47,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 05:26:47,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 05:26:47,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 05:26:47,527 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 05:26:47,528 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 05:26:47,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i [2021-12-16 05:26:47,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20fa41ee2/968699c7e1194426af2feb86485f9dc7/FLAG42aa6d27d [2021-12-16 05:26:48,286 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 05:26:48,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i [2021-12-16 05:26:48,343 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20fa41ee2/968699c7e1194426af2feb86485f9dc7/FLAG42aa6d27d [2021-12-16 05:26:48,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20fa41ee2/968699c7e1194426af2feb86485f9dc7 [2021-12-16 05:26:48,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 05:26:48,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 05:26:48,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 05:26:48,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 05:26:48,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 05:26:48,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:26:48" (1/1) ... [2021-12-16 05:26:48,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5675d834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:26:48, skipping insertion in model container [2021-12-16 05:26:48,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:26:48" (1/1) ... [2021-12-16 05:26:48,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 05:26:48,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 05:26:51,621 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---drivers--video--fbdev--s3fb.ko.cil.i[328297,328310] [2021-12-16 05:26:51,629 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---drivers--video--fbdev--s3fb.ko.cil.i[328442,328455] [2021-12-16 05:26:51,630 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---drivers--video--fbdev--s3fb.ko.cil.i[328588,328601] [2021-12-16 05:26:51,631 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---drivers--video--fbdev--s3fb.ko.cil.i[328753,328766] [2021-12-16 05:26:51,631 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---drivers--video--fbdev--s3fb.ko.cil.i[328911,328924] [2021-12-16 05:26:51,632 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---drivers--video--fbdev--s3fb.ko.cil.i[329069,329082] [2021-12-16 05:26:51,633 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---drivers--video--fbdev--s3fb.ko.cil.i[329227,329240] [2021-12-16 05:26:51,633 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---drivers--video--fbdev--s3fb.ko.cil.i[329387,329400] [2021-12-16 05:26:51,633 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---drivers--video--fbdev--s3fb.ko.cil.i[329546,329559] [2021-12-16 05:26:51,634 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---drivers--video--fbdev--s3fb.ko.cil.i[329685,329698] [2021-12-16 05:26:51,634 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---drivers--video--fbdev--s3fb.ko.cil.i[329827,329840] [2021-12-16 05:26:51,636 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---drivers--video--fbdev--s3fb.ko.cil.i[329976,329989] [2021-12-16 05:26:51,636 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---drivers--video--fbdev--s3fb.ko.cil.i[330115,330128] [2021-12-16 05:26:51,636 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---drivers--video--fbdev--s3fb.ko.cil.i[330270,330283] [2021-12-16 05:26:51,637 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---drivers--video--fbdev--s3fb.ko.cil.i[330430,330443] [2021-12-16 05:26:51,637 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---drivers--video--fbdev--s3fb.ko.cil.i[330581,330594] [2021-12-16 05:26:51,638 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---drivers--video--fbdev--s3fb.ko.cil.i[330732,330745] [2021-12-16 05:26:51,638 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---drivers--video--fbdev--s3fb.ko.cil.i[330884,330897] [2021-12-16 05:26:51,640 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---drivers--video--fbdev--s3fb.ko.cil.i[331033,331046] [2021-12-16 05:26:51,641 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---drivers--video--fbdev--s3fb.ko.cil.i[331181,331194] [2021-12-16 05:26:51,641 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---drivers--video--fbdev--s3fb.ko.cil.i[331338,331351] [2021-12-16 05:26:51,641 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---drivers--video--fbdev--s3fb.ko.cil.i[331487,331500] [2021-12-16 05:26:51,646 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---drivers--video--fbdev--s3fb.ko.cil.i[331643,331656] [2021-12-16 05:26:51,647 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---drivers--video--fbdev--s3fb.ko.cil.i[331796,331809] [2021-12-16 05:26:51,653 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---drivers--video--fbdev--s3fb.ko.cil.i[331942,331955] [2021-12-16 05:26:51,653 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---drivers--video--fbdev--s3fb.ko.cil.i[332085,332098] [2021-12-16 05:26:51,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332237,332250] [2021-12-16 05:26:51,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332383,332396] [2021-12-16 05:26:51,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332528,332541] [2021-12-16 05:26:51,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332682,332695] [2021-12-16 05:26:51,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332833,332846] [2021-12-16 05:26:51,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332988,333001] [2021-12-16 05:26:51,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333140,333153] [2021-12-16 05:26:51,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333295,333308] [2021-12-16 05:26:51,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333459,333472] [2021-12-16 05:26:51,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333615,333628] [2021-12-16 05:26:51,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333779,333792] [2021-12-16 05:26:51,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333921,333934] [2021-12-16 05:26:51,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334079,334092] [2021-12-16 05:26:51,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334246,334259] [2021-12-16 05:26:51,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334405,334418] [2021-12-16 05:26:51,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334564,334577] [2021-12-16 05:26:51,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334713,334726] [2021-12-16 05:26:51,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334860,334873] [2021-12-16 05:26:51,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334999,335012] [2021-12-16 05:26:51,666 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335162,335175] [2021-12-16 05:26:51,666 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335328,335341] [2021-12-16 05:26:51,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335492,335505] [2021-12-16 05:26:51,668 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335657,335670] [2021-12-16 05:26:51,668 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335822,335835] [2021-12-16 05:26:51,668 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335988,336001] [2021-12-16 05:26:51,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336153,336166] [2021-12-16 05:26:51,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336320,336333] [2021-12-16 05:26:51,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336480,336493] [2021-12-16 05:26:51,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336642,336655] [2021-12-16 05:26:51,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336801,336814] [2021-12-16 05:26:51,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336947,336960] [2021-12-16 05:26:51,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337090,337103] [2021-12-16 05:26:51,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337234,337247] [2021-12-16 05:26:51,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337377,337390] [2021-12-16 05:26:51,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337521,337534] [2021-12-16 05:26:51,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337662,337675] [2021-12-16 05:26:51,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337800,337813] [2021-12-16 05:26:51,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337958,337971] [2021-12-16 05:26:51,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338117,338130] [2021-12-16 05:26:51,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338273,338286] [2021-12-16 05:26:51,677 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338422,338435] [2021-12-16 05:26:51,677 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338574,338587] [2021-12-16 05:26:51,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338725,338738] [2021-12-16 05:26:51,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338874,338887] [2021-12-16 05:26:51,679 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339026,339039] [2021-12-16 05:26:51,679 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339174,339187] [2021-12-16 05:26:51,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339327,339340] [2021-12-16 05:26:51,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339478,339491] [2021-12-16 05:26:51,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339628,339641] [2021-12-16 05:26:51,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339775,339788] [2021-12-16 05:26:51,688 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339926,339939] [2021-12-16 05:26:51,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340077,340090] [2021-12-16 05:26:51,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340225,340238] [2021-12-16 05:26:51,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340391,340404] [2021-12-16 05:26:51,690 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340560,340573] [2021-12-16 05:26:51,690 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340727,340740] [2021-12-16 05:26:51,691 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340895,340908] [2021-12-16 05:26:51,691 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341045,341058] [2021-12-16 05:26:51,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341192,341205] [2021-12-16 05:26:51,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341353,341366] [2021-12-16 05:26:51,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341523,341536] [2021-12-16 05:26:51,693 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341685,341698] [2021-12-16 05:26:51,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:26:51,745 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 05:26:52,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328297,328310] [2021-12-16 05:26:52,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328442,328455] [2021-12-16 05:26:52,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328588,328601] [2021-12-16 05:26:52,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328753,328766] [2021-12-16 05:26:52,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328911,328924] [2021-12-16 05:26:52,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329069,329082] [2021-12-16 05:26:52,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329227,329240] [2021-12-16 05:26:52,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329387,329400] [2021-12-16 05:26:52,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329546,329559] [2021-12-16 05:26:52,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329685,329698] [2021-12-16 05:26:52,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329827,329840] [2021-12-16 05:26:52,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329976,329989] [2021-12-16 05:26:52,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330115,330128] [2021-12-16 05:26:52,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330270,330283] [2021-12-16 05:26:52,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330430,330443] [2021-12-16 05:26:52,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330581,330594] [2021-12-16 05:26:52,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330732,330745] [2021-12-16 05:26:52,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330884,330897] [2021-12-16 05:26:52,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331033,331046] [2021-12-16 05:26:52,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331181,331194] [2021-12-16 05:26:52,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331338,331351] [2021-12-16 05:26:52,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331487,331500] [2021-12-16 05:26:52,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331643,331656] [2021-12-16 05:26:52,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331796,331809] [2021-12-16 05:26:52,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331942,331955] [2021-12-16 05:26:52,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332085,332098] [2021-12-16 05:26:52,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332237,332250] [2021-12-16 05:26:52,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332383,332396] [2021-12-16 05:26:52,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332528,332541] [2021-12-16 05:26:52,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332682,332695] [2021-12-16 05:26:52,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332833,332846] [2021-12-16 05:26:52,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332988,333001] [2021-12-16 05:26:52,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333140,333153] [2021-12-16 05:26:52,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333295,333308] [2021-12-16 05:26:52,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333459,333472] [2021-12-16 05:26:52,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333615,333628] [2021-12-16 05:26:52,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333779,333792] [2021-12-16 05:26:52,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333921,333934] [2021-12-16 05:26:52,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334079,334092] [2021-12-16 05:26:52,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334246,334259] [2021-12-16 05:26:52,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334405,334418] [2021-12-16 05:26:52,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334564,334577] [2021-12-16 05:26:52,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334713,334726] [2021-12-16 05:26:52,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334860,334873] [2021-12-16 05:26:52,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334999,335012] [2021-12-16 05:26:52,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335162,335175] [2021-12-16 05:26:52,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335328,335341] [2021-12-16 05:26:52,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335492,335505] [2021-12-16 05:26:52,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335657,335670] [2021-12-16 05:26:52,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335822,335835] [2021-12-16 05:26:52,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335988,336001] [2021-12-16 05:26:52,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336153,336166] [2021-12-16 05:26:52,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336320,336333] [2021-12-16 05:26:52,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336480,336493] [2021-12-16 05:26:52,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336642,336655] [2021-12-16 05:26:52,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336801,336814] [2021-12-16 05:26:52,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336947,336960] [2021-12-16 05:26:52,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337090,337103] [2021-12-16 05:26:52,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337234,337247] [2021-12-16 05:26:52,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337377,337390] [2021-12-16 05:26:52,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337521,337534] [2021-12-16 05:26:52,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337662,337675] [2021-12-16 05:26:52,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337800,337813] [2021-12-16 05:26:52,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337958,337971] [2021-12-16 05:26:52,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338117,338130] [2021-12-16 05:26:52,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338273,338286] [2021-12-16 05:26:52,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338422,338435] [2021-12-16 05:26:52,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338574,338587] [2021-12-16 05:26:52,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338725,338738] [2021-12-16 05:26:52,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338874,338887] [2021-12-16 05:26:52,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339026,339039] [2021-12-16 05:26:52,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339174,339187] [2021-12-16 05:26:52,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339327,339340] [2021-12-16 05:26:52,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339478,339491] [2021-12-16 05:26:52,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339628,339641] [2021-12-16 05:26:52,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339775,339788] [2021-12-16 05:26:52,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339926,339939] [2021-12-16 05:26:52,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340077,340090] [2021-12-16 05:26:52,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340225,340238] [2021-12-16 05:26:52,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340391,340404] [2021-12-16 05:26:52,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340560,340573] [2021-12-16 05:26:52,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340727,340740] [2021-12-16 05:26:52,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340895,340908] [2021-12-16 05:26:52,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341045,341058] [2021-12-16 05:26:52,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341192,341205] [2021-12-16 05:26:52,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341353,341366] [2021-12-16 05:26:52,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341523,341536] [2021-12-16 05:26:52,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341685,341698] [2021-12-16 05:26:52,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:26:52,277 INFO L208 MainTranslator]: Completed translation [2021-12-16 05:26:52,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:26:52 WrapperNode [2021-12-16 05:26:52,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 05:26:52,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 05:26:52,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 05:26:52,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 05:26:52,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:26:52" (1/1) ... [2021-12-16 05:26:52,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:26:52" (1/1) ... [2021-12-16 05:26:52,594 INFO L137 Inliner]: procedures = 583, calls = 2557, calls flagged for inlining = 277, calls inlined = 189, statements flattened = 5198 [2021-12-16 05:26:52,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 05:26:52,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 05:26:52,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 05:26:52,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 05:26:52,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:26:52" (1/1) ... [2021-12-16 05:26:52,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:26:52" (1/1) ... [2021-12-16 05:26:52,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:26:52" (1/1) ... [2021-12-16 05:26:52,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:26:52" (1/1) ... [2021-12-16 05:26:52,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:26:52" (1/1) ... [2021-12-16 05:26:52,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:26:52" (1/1) ... [2021-12-16 05:26:52,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:26:52" (1/1) ... [2021-12-16 05:26:52,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 05:26:52,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 05:26:52,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 05:26:52,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 05:26:52,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:26:52" (1/1) ... [2021-12-16 05:26:52,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:26:52,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 05:26:52,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 05:26:52,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 05:26:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure svga_wcrt_mask [2021-12-16 05:26:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_wcrt_mask [2021-12-16 05:26:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-16 05:26:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-16 05:26:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-16 05:26:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-16 05:26:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure s3fb_ddc_needs_mmio [2021-12-16 05:26:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure s3fb_ddc_needs_mmio [2021-12-16 05:26:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 05:26:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 05:26:52,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-16 05:26:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-16 05:26:52,949 INFO L130 BoogieDeclarations]: Found specification of procedure s3fb_ddc_read [2021-12-16 05:26:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure s3fb_ddc_read [2021-12-16 05:26:52,949 INFO L130 BoogieDeclarations]: Found specification of procedure s3fb_set_par [2021-12-16 05:26:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure s3fb_set_par [2021-12-16 05:26:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-16 05:26:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-16 05:26:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure svga_compute_pll [2021-12-16 05:26:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_compute_pll [2021-12-16 05:26:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-16 05:26:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-16 05:26:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure vga_wcrt [2021-12-16 05:26:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_wcrt [2021-12-16 05:26:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-16 05:26:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-16 05:26:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 05:26:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 05:26:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 05:26:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 05:26:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-16 05:26:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-16 05:26:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 05:26:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-16 05:26:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-16 05:26:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure vga_rseq [2021-12-16 05:26:52,953 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_rseq [2021-12-16 05:26:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure svga_match_format [2021-12-16 05:26:52,953 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_match_format [2021-12-16 05:26:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 05:26:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 05:26:52,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 05:26:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-16 05:26:52,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-16 05:26:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 05:26:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-16 05:26:52,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-16 05:26:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-16 05:26:52,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-16 05:26:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-16 05:26:52,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-16 05:26:52,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-16 05:26:52,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-16 05:26:52,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-16 05:26:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-16 05:26:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_lock_of_s3fb_info [2021-12-16 05:26:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_lock_of_s3fb_info [2021-12-16 05:26:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure vga_w [2021-12-16 05:26:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_w [2021-12-16 05:26:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure vga_r [2021-12-16 05:26:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_r [2021-12-16 05:26:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 05:26:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure svga_wseq_mask [2021-12-16 05:26:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_wseq_mask [2021-12-16 05:26:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 05:26:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 05:26:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 05:26:52,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 05:26:52,959 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 05:26:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 05:26:52,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_lock_of_s3fb_info [2021-12-16 05:26:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_lock_of_s3fb_info [2021-12-16 05:26:52,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-16 05:26:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-16 05:26:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure vga_w_fast [2021-12-16 05:26:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_w_fast [2021-12-16 05:26:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure svga_get_tilemax [2021-12-16 05:26:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_get_tilemax [2021-12-16 05:26:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2021-12-16 05:26:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2021-12-16 05:26:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-16 05:26:52,961 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-16 05:26:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 05:26:52,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 05:26:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure svga_wcrt_multi [2021-12-16 05:26:52,961 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_wcrt_multi [2021-12-16 05:26:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2021-12-16 05:26:52,962 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2021-12-16 05:26:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 05:26:52,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 05:26:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure vga_rcrt [2021-12-16 05:26:52,962 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_rcrt [2021-12-16 05:26:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2021-12-16 05:26:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2021-12-16 05:26:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-12-16 05:26:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-12-16 05:26:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure s3_pci_remove [2021-12-16 05:26:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure s3_pci_remove [2021-12-16 05:26:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 05:26:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 05:26:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-12-16 05:26:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-12-16 05:26:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-16 05:26:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-16 05:26:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-16 05:26:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-16 05:26:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 05:26:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-16 05:26:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-16 05:26:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 05:26:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2021-12-16 05:26:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2021-12-16 05:26:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-16 05:26:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-16 05:26:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 05:26:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-16 05:26:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-16 05:26:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-16 05:26:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-16 05:26:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 05:26:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 05:26:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure vga_wseq [2021-12-16 05:26:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_wseq [2021-12-16 05:26:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure s3_pci_resume [2021-12-16 05:26:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure s3_pci_resume [2021-12-16 05:26:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2021-12-16 05:26:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2021-12-16 05:26:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-16 05:26:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-16 05:26:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-16 05:26:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-16 05:26:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-16 05:26:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-16 05:26:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-16 05:26:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-16 05:26:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-16 05:26:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-16 05:26:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 05:26:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-16 05:26:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-16 05:26:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 05:26:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 05:26:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-16 05:26:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-16 05:26:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-16 05:26:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-16 05:26:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-12-16 05:26:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-12-16 05:26:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-12-16 05:26:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-12-16 05:26:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure expand_color [2021-12-16 05:26:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure expand_color [2021-12-16 05:26:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 05:26:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 05:26:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-16 05:26:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-16 05:26:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2021-12-16 05:26:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2021-12-16 05:26:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-16 05:26:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-16 05:26:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-16 05:26:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-16 05:26:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure s3fb_check_var [2021-12-16 05:26:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure s3fb_check_var [2021-12-16 05:26:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 05:26:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-16 05:26:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-16 05:26:53,681 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 05:26:53,686 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 05:26:53,757 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 05:26:56,132 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 05:26:56,151 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 05:26:56,151 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 05:26:56,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:26:56 BoogieIcfgContainer [2021-12-16 05:26:56,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 05:26:56,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 05:26:56,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 05:26:56,158 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 05:26:56,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:26:48" (1/3) ... [2021-12-16 05:26:56,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ce6bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:26:56, skipping insertion in model container [2021-12-16 05:26:56,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:26:52" (2/3) ... [2021-12-16 05:26:56,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ce6bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:26:56, skipping insertion in model container [2021-12-16 05:26:56,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:26:56" (3/3) ... [2021-12-16 05:26:56,161 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i [2021-12-16 05:26:56,164 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 05:26:56,165 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2021-12-16 05:26:56,209 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 05:26:56,218 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 05:26:56,218 INFO L340 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2021-12-16 05:26:56,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 1474 states, 1033 states have (on average 1.2952565343659246) internal successors, (1338), 1073 states have internal predecessors, (1338), 338 states have call successors, (338), 77 states have call predecessors, (338), 76 states have return successors, (334), 332 states have call predecessors, (334), 334 states have call successors, (334) [2021-12-16 05:26:56,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-16 05:26:56,259 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:26:56,259 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:26:56,260 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-16 05:26:56,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:26:56,264 INFO L85 PathProgramCache]: Analyzing trace with hash 2105616376, now seen corresponding path program 1 times [2021-12-16 05:26:56,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:26:56,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571776986] [2021-12-16 05:26:56,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:26:56,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:26:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:56,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:26:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:56,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:26:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:56,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:26:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:56,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:26:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:56,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:26:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:56,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:26:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:56,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:26:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:56,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:26:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:56,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:26:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:56,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:26:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:56,899 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-16 05:26:56,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:26:56,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571776986] [2021-12-16 05:26:56,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571776986] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:26:56,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:26:56,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:26:56,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166177966] [2021-12-16 05:26:56,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:26:56,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:26:56,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:26:56,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:26:56,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:26:56,925 INFO L87 Difference]: Start difference. First operand has 1474 states, 1033 states have (on average 1.2952565343659246) internal successors, (1338), 1073 states have internal predecessors, (1338), 338 states have call successors, (338), 77 states have call predecessors, (338), 76 states have return successors, (334), 332 states have call predecessors, (334), 334 states have call successors, (334) Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-16 05:27:01,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:27:01,828 INFO L93 Difference]: Finished difference Result 4351 states and 6064 transitions. [2021-12-16 05:27:01,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-16 05:27:01,830 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 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 71 [2021-12-16 05:27:01,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:27:01,872 INFO L225 Difference]: With dead ends: 4351 [2021-12-16 05:27:01,878 INFO L226 Difference]: Without dead ends: 2885 [2021-12-16 05:27:01,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-16 05:27:01,908 INFO L933 BasicCegarLoop]: 2003 mSDtfsCounter, 4214 mSDsluCounter, 3665 mSDsCounter, 0 mSdLazyCounter, 2858 mSolverCounterSat, 2246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4384 SdHoareTripleChecker+Valid, 5668 SdHoareTripleChecker+Invalid, 5104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2246 IncrementalHoareTripleChecker+Valid, 2858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-16 05:27:01,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4384 Valid, 5668 Invalid, 5104 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2246 Valid, 2858 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-16 05:27:01,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2885 states. [2021-12-16 05:27:02,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2885 to 2698. [2021-12-16 05:27:02,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2698 states, 1922 states have (on average 1.2726326742976066) internal successors, (2446), 1973 states have internal predecessors, (2446), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-16 05:27:02,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 3685 transitions. [2021-12-16 05:27:02,119 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 3685 transitions. Word has length 71 [2021-12-16 05:27:02,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:27:02,120 INFO L470 AbstractCegarLoop]: Abstraction has 2698 states and 3685 transitions. [2021-12-16 05:27:02,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-16 05:27:02,121 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 3685 transitions. [2021-12-16 05:27:02,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-16 05:27:02,123 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:27:02,123 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:27:02,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 05:27:02,124 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-16 05:27:02,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:27:02,124 INFO L85 PathProgramCache]: Analyzing trace with hash 703949107, now seen corresponding path program 1 times [2021-12-16 05:27:02,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:27:02,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693035197] [2021-12-16 05:27:02,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:27:02,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:27:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:02,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:27:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:02,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:27:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:02,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:27:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:02,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:27:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:02,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:27:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:02,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:27:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:02,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:27:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:02,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:02,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:27:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:02,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:27:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:02,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:27:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:02,342 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-16 05:27:02,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:27:02,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693035197] [2021-12-16 05:27:02,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693035197] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:27:02,343 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:27:02,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:27:02,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462317809] [2021-12-16 05:27:02,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:27:02,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:27:02,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:27:02,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:27:02,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:27:02,357 INFO L87 Difference]: Start difference. First operand 2698 states and 3685 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-16 05:27:04,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:27:04,721 INFO L93 Difference]: Finished difference Result 2698 states and 3685 transitions. [2021-12-16 05:27:04,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:27:04,722 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 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 77 [2021-12-16 05:27:04,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:27:04,736 INFO L225 Difference]: With dead ends: 2698 [2021-12-16 05:27:04,737 INFO L226 Difference]: Without dead ends: 2696 [2021-12-16 05:27:04,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:27:04,740 INFO L933 BasicCegarLoop]: 1807 mSDtfsCounter, 2819 mSDsluCounter, 2350 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2989 SdHoareTripleChecker+Valid, 4157 SdHoareTripleChecker+Invalid, 2623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-16 05:27:04,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2989 Valid, 4157 Invalid, 2623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-16 05:27:04,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696 states. [2021-12-16 05:27:04,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696 to 2696. [2021-12-16 05:27:04,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2696 states, 1921 states have (on average 1.2722540343571056) internal successors, (2444), 1971 states have internal predecessors, (2444), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-16 05:27:04,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2696 states and 3683 transitions. [2021-12-16 05:27:04,840 INFO L78 Accepts]: Start accepts. Automaton has 2696 states and 3683 transitions. Word has length 77 [2021-12-16 05:27:04,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:27:04,841 INFO L470 AbstractCegarLoop]: Abstraction has 2696 states and 3683 transitions. [2021-12-16 05:27:04,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-16 05:27:04,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3683 transitions. [2021-12-16 05:27:04,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-16 05:27:04,843 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:27:04,843 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:27:04,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 05:27:04,844 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-16 05:27:04,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:27:04,844 INFO L85 PathProgramCache]: Analyzing trace with hash 2014047996, now seen corresponding path program 1 times [2021-12-16 05:27:04,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:27:04,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756274283] [2021-12-16 05:27:04,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:27:04,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:27:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:05,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:27:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:05,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:27:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:05,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:27:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:05,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:27:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:27:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:05,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:27:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:27:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:05,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:05,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:27:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:05,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:27:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:05,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:27:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:05,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:27:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:05,182 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-16 05:27:05,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:27:05,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756274283] [2021-12-16 05:27:05,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756274283] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:27:05,183 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:27:05,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:27:05,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928819039] [2021-12-16 05:27:05,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:27:05,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:27:05,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:27:05,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:27:05,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:27:05,186 INFO L87 Difference]: Start difference. First operand 2696 states and 3683 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-16 05:27:07,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:27:07,549 INFO L93 Difference]: Finished difference Result 2696 states and 3683 transitions. [2021-12-16 05:27:07,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:27:07,549 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 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 83 [2021-12-16 05:27:07,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:27:07,565 INFO L225 Difference]: With dead ends: 2696 [2021-12-16 05:27:07,565 INFO L226 Difference]: Without dead ends: 2694 [2021-12-16 05:27:07,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:27:07,569 INFO L933 BasicCegarLoop]: 1805 mSDtfsCounter, 2813 mSDsluCounter, 2350 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2982 SdHoareTripleChecker+Valid, 4155 SdHoareTripleChecker+Invalid, 2621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-16 05:27:07,570 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2982 Valid, 4155 Invalid, 2621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1347 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-16 05:27:07,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2021-12-16 05:27:07,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2694. [2021-12-16 05:27:07,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2694 states, 1920 states have (on average 1.271875) internal successors, (2442), 1969 states have internal predecessors, (2442), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-16 05:27:07,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2694 states and 3681 transitions. [2021-12-16 05:27:07,676 INFO L78 Accepts]: Start accepts. Automaton has 2694 states and 3681 transitions. Word has length 83 [2021-12-16 05:27:07,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:27:07,677 INFO L470 AbstractCegarLoop]: Abstraction has 2694 states and 3681 transitions. [2021-12-16 05:27:07,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-16 05:27:07,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2694 states and 3681 transitions. [2021-12-16 05:27:07,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-16 05:27:07,682 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:27:07,683 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:27:07,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 05:27:07,683 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-16 05:27:07,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:27:07,684 INFO L85 PathProgramCache]: Analyzing trace with hash -659640201, now seen corresponding path program 1 times [2021-12-16 05:27:07,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:27:07,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232524497] [2021-12-16 05:27:07,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:27:07,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:27:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:07,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:27:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:07,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:27:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:27:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:07,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:27:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:07,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:27:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:07,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:27:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:07,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:27:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:07,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:07,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:27:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:07,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:27:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:07,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:27:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:07,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:27:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:07,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:27:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:08,003 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-16 05:27:08,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:27:08,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232524497] [2021-12-16 05:27:08,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232524497] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:27:08,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:27:08,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:27:08,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945562699] [2021-12-16 05:27:08,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:27:08,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:27:08,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:27:08,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:27:08,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:27:08,008 INFO L87 Difference]: Start difference. First operand 2694 states and 3681 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-16 05:27:10,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:27:10,526 INFO L93 Difference]: Finished difference Result 2694 states and 3681 transitions. [2021-12-16 05:27:10,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:27:10,527 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 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 89 [2021-12-16 05:27:10,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:27:10,543 INFO L225 Difference]: With dead ends: 2694 [2021-12-16 05:27:10,543 INFO L226 Difference]: Without dead ends: 2692 [2021-12-16 05:27:10,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:27:10,548 INFO L933 BasicCegarLoop]: 1803 mSDtfsCounter, 2807 mSDsluCounter, 2350 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2975 SdHoareTripleChecker+Valid, 4153 SdHoareTripleChecker+Invalid, 2619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-16 05:27:10,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2975 Valid, 4153 Invalid, 2619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-16 05:27:10,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2021-12-16 05:27:10,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2021-12-16 05:27:10,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 1919 states have (on average 1.2714955706096926) internal successors, (2440), 1967 states have internal predecessors, (2440), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-16 05:27:10,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 3679 transitions. [2021-12-16 05:27:10,647 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 3679 transitions. Word has length 89 [2021-12-16 05:27:10,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:27:10,647 INFO L470 AbstractCegarLoop]: Abstraction has 2692 states and 3679 transitions. [2021-12-16 05:27:10,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-16 05:27:10,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 3679 transitions. [2021-12-16 05:27:10,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-16 05:27:10,650 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:27:10,651 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:27:10,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 05:27:10,651 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-16 05:27:10,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:27:10,651 INFO L85 PathProgramCache]: Analyzing trace with hash -972345359, now seen corresponding path program 1 times [2021-12-16 05:27:10,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:27:10,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681506995] [2021-12-16 05:27:10,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:27:10,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:27:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:10,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:27:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:10,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:27:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:10,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:27:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:10,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:27:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:10,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:27:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:10,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:27:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:10,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:27:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:10,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:10,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:27:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:10,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:27:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:10,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:27:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:10,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:27:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:10,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:27:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:10,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:27:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:10,973 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-16 05:27:10,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:27:10,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681506995] [2021-12-16 05:27:10,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681506995] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:27:10,974 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:27:10,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:27:10,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915241886] [2021-12-16 05:27:10,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:27:10,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:27:10,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:27:10,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:27:10,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:27:10,975 INFO L87 Difference]: Start difference. First operand 2692 states and 3679 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-16 05:27:12,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:27:12,869 INFO L93 Difference]: Finished difference Result 2692 states and 3679 transitions. [2021-12-16 05:27:12,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:27:12,869 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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 95 [2021-12-16 05:27:12,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:27:12,880 INFO L225 Difference]: With dead ends: 2692 [2021-12-16 05:27:12,881 INFO L226 Difference]: Without dead ends: 2690 [2021-12-16 05:27:12,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:27:12,882 INFO L933 BasicCegarLoop]: 1801 mSDtfsCounter, 2801 mSDsluCounter, 2350 mSDsCounter, 0 mSdLazyCounter, 1343 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2968 SdHoareTripleChecker+Valid, 4151 SdHoareTripleChecker+Invalid, 2617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-16 05:27:12,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2968 Valid, 4151 Invalid, 2617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1343 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-16 05:27:12,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2021-12-16 05:27:12,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2690. [2021-12-16 05:27:12,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2690 states, 1918 states have (on average 1.2711157455683002) internal successors, (2438), 1965 states have internal predecessors, (2438), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-16 05:27:12,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3677 transitions. [2021-12-16 05:27:12,964 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3677 transitions. Word has length 95 [2021-12-16 05:27:12,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:27:12,965 INFO L470 AbstractCegarLoop]: Abstraction has 2690 states and 3677 transitions. [2021-12-16 05:27:12,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-16 05:27:12,965 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3677 transitions. [2021-12-16 05:27:12,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-16 05:27:12,968 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:27:12,968 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:27:12,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 05:27:12,969 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-16 05:27:12,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:27:12,970 INFO L85 PathProgramCache]: Analyzing trace with hash -889472889, now seen corresponding path program 1 times [2021-12-16 05:27:12,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:27:12,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197491116] [2021-12-16 05:27:12,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:27:12,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:27:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:27:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:27:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:27:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:27:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 05:27:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:27:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:27:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 05:27:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:27:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:27:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-16 05:27:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:27:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:27:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-16 05:27:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 05:27:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:27:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-16 05:27:13,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:27:13,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197491116] [2021-12-16 05:27:13,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197491116] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:27:13,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:27:13,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:27:13,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259793242] [2021-12-16 05:27:13,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:27:13,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:27:13,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:27:13,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:27:13,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:27:13,236 INFO L87 Difference]: Start difference. First operand 2690 states and 3677 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-16 05:27:16,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:27:16,166 INFO L93 Difference]: Finished difference Result 5357 states and 7328 transitions. [2021-12-16 05:27:16,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:27:16,167 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2021-12-16 05:27:16,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:27:16,180 INFO L225 Difference]: With dead ends: 5357 [2021-12-16 05:27:16,180 INFO L226 Difference]: Without dead ends: 2692 [2021-12-16 05:27:16,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-16 05:27:16,193 INFO L933 BasicCegarLoop]: 1612 mSDtfsCounter, 3095 mSDsluCounter, 1792 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 1664 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3278 SdHoareTripleChecker+Valid, 3404 SdHoareTripleChecker+Invalid, 3065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1664 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-16 05:27:16,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3278 Valid, 3404 Invalid, 3065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1664 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-16 05:27:16,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2021-12-16 05:27:16,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2684. [2021-12-16 05:27:16,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2684 states, 1913 states have (on average 1.2697334030318872) internal successors, (2429), 1959 states have internal predecessors, (2429), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-16 05:27:16,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2684 states and 3668 transitions. [2021-12-16 05:27:16,295 INFO L78 Accepts]: Start accepts. Automaton has 2684 states and 3668 transitions. Word has length 119 [2021-12-16 05:27:16,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:27:16,296 INFO L470 AbstractCegarLoop]: Abstraction has 2684 states and 3668 transitions. [2021-12-16 05:27:16,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-16 05:27:16,296 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 3668 transitions. [2021-12-16 05:27:16,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-16 05:27:16,297 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:27:16,297 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:27:16,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 05:27:16,298 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-16 05:27:16,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:27:16,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1960994551, now seen corresponding path program 1 times [2021-12-16 05:27:16,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:27:16,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052354942] [2021-12-16 05:27:16,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:27:16,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:27:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:16,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:27:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:16,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:27:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:16,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:27:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:16,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:27:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:16,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:27:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:16,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:27:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:16,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:27:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:16,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:16,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:27:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:16,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:27:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:16,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:27:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:16,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:27:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:16,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:27:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:16,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:27:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:16,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:27:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:16,553 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-16 05:27:16,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:27:16,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052354942] [2021-12-16 05:27:16,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052354942] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:27:16,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:27:16,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:27:16,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795898521] [2021-12-16 05:27:16,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:27:16,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:27:16,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:27:16,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:27:16,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:27:16,556 INFO L87 Difference]: Start difference. First operand 2684 states and 3668 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, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-16 05:27:18,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:27:18,687 INFO L93 Difference]: Finished difference Result 2684 states and 3668 transitions. [2021-12-16 05:27:18,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:27:18,688 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, (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 101 [2021-12-16 05:27:18,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:27:18,701 INFO L225 Difference]: With dead ends: 2684 [2021-12-16 05:27:18,712 INFO L226 Difference]: Without dead ends: 2682 [2021-12-16 05:27:18,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:27:18,716 INFO L933 BasicCegarLoop]: 1794 mSDtfsCounter, 2790 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2956 SdHoareTripleChecker+Valid, 4130 SdHoareTripleChecker+Invalid, 2614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-16 05:27:18,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2956 Valid, 4130 Invalid, 2614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1340 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-16 05:27:18,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2682 states. [2021-12-16 05:27:18,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2682 to 2682. [2021-12-16 05:27:18,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2682 states, 1912 states have (on average 1.2693514644351465) internal successors, (2427), 1957 states have internal predecessors, (2427), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-16 05:27:18,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2682 states to 2682 states and 3666 transitions. [2021-12-16 05:27:18,824 INFO L78 Accepts]: Start accepts. Automaton has 2682 states and 3666 transitions. Word has length 101 [2021-12-16 05:27:18,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:27:18,825 INFO L470 AbstractCegarLoop]: Abstraction has 2682 states and 3666 transitions. [2021-12-16 05:27:18,826 INFO L471 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, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-16 05:27:18,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 3666 transitions. [2021-12-16 05:27:18,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-12-16 05:27:18,827 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:27:18,827 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:27:18,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 05:27:18,828 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-16 05:27:18,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:27:18,828 INFO L85 PathProgramCache]: Analyzing trace with hash -2092571914, now seen corresponding path program 1 times [2021-12-16 05:27:18,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:27:18,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767900055] [2021-12-16 05:27:18,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:27:18,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:27:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:18,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:27:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:18,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:27:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:18,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:27:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:18,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:27:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:18,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 05:27:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:18,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:18,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:27:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:18,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:27:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:18,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 05:27:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:19,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:19,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:27:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:19,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:27:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:19,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-16 05:27:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:19,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:19,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:27:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:19,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:27:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:19,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-16 05:27:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:19,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 05:27:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:19,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:27:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:19,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 05:27:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:19,070 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-12-16 05:27:19,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:27:19,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767900055] [2021-12-16 05:27:19,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767900055] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 05:27:19,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495674639] [2021-12-16 05:27:19,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:27:19,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 05:27:19,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 05:27:19,073 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 05:27:19,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 05:27:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:19,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 3469 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 05:27:19,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 05:27:20,108 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-16 05:27:20,109 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 05:27:20,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495674639] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:27:20,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 05:27:20,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-12-16 05:27:20,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363332846] [2021-12-16 05:27:20,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:27:20,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 05:27:20,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:27:20,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 05:27:20,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:27:20,111 INFO L87 Difference]: Start difference. First operand 2682 states and 3666 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-16 05:27:20,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:27:20,229 INFO L93 Difference]: Finished difference Result 5333 states and 7288 transitions. [2021-12-16 05:27:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 05:27:20,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2021-12-16 05:27:20,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:27:20,246 INFO L225 Difference]: With dead ends: 5333 [2021-12-16 05:27:20,246 INFO L226 Difference]: Without dead ends: 2676 [2021-12-16 05:27:20,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 160 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:27:20,257 INFO L933 BasicCegarLoop]: 1942 mSDtfsCounter, 1924 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1924 SdHoareTripleChecker+Valid, 1942 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:27:20,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1924 Valid, 1942 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 05:27:20,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2021-12-16 05:27:20,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 2676. [2021-12-16 05:27:20,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2676 states, 1907 states have (on average 1.2679601468274777) internal successors, (2418), 1951 states have internal predecessors, (2418), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-16 05:27:20,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2676 states and 3657 transitions. [2021-12-16 05:27:20,383 INFO L78 Accepts]: Start accepts. Automaton has 2676 states and 3657 transitions. Word has length 125 [2021-12-16 05:27:20,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:27:20,383 INFO L470 AbstractCegarLoop]: Abstraction has 2676 states and 3657 transitions. [2021-12-16 05:27:20,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-16 05:27:20,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3657 transitions. [2021-12-16 05:27:20,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-16 05:27:20,386 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:27:20,386 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:27:20,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-16 05:27:20,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 05:27:20,616 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-16 05:27:20,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:27:20,616 INFO L85 PathProgramCache]: Analyzing trace with hash -2087155998, now seen corresponding path program 1 times [2021-12-16 05:27:20,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:27:20,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966490100] [2021-12-16 05:27:20,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:27:20,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:27:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:20,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:27:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:20,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:27:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:20,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:27:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:20,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:27:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:20,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:27:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:20,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:27:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:20,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:27:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:20,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:20,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:27:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:20,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:27:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:20,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:27:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:20,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:27:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:20,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:27:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:20,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:27:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:20,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:27:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:20,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:27:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:20,928 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-16 05:27:20,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:27:20,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966490100] [2021-12-16 05:27:20,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966490100] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:27:20,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:27:20,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:27:20,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575839429] [2021-12-16 05:27:20,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:27:20,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:27:20,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:27:20,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:27:20,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:27:20,931 INFO L87 Difference]: Start difference. First operand 2676 states and 3657 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, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-16 05:27:23,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:27:23,047 INFO L93 Difference]: Finished difference Result 2676 states and 3657 transitions. [2021-12-16 05:27:23,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:27:23,047 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, (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 107 [2021-12-16 05:27:23,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:27:23,057 INFO L225 Difference]: With dead ends: 2676 [2021-12-16 05:27:23,057 INFO L226 Difference]: Without dead ends: 2674 [2021-12-16 05:27:23,058 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:27:23,059 INFO L933 BasicCegarLoop]: 1787 mSDtfsCounter, 2779 mSDsluCounter, 2322 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2944 SdHoareTripleChecker+Valid, 4109 SdHoareTripleChecker+Invalid, 2611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:27:23,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2944 Valid, 4109 Invalid, 2611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1337 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-16 05:27:23,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2021-12-16 05:27:23,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2674. [2021-12-16 05:27:23,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 1906 states have (on average 1.267576075550892) internal successors, (2416), 1949 states have internal predecessors, (2416), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-16 05:27:23,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3655 transitions. [2021-12-16 05:27:23,159 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3655 transitions. Word has length 107 [2021-12-16 05:27:23,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:27:23,160 INFO L470 AbstractCegarLoop]: Abstraction has 2674 states and 3655 transitions. [2021-12-16 05:27:23,160 INFO L471 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, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-16 05:27:23,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3655 transitions. [2021-12-16 05:27:23,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-16 05:27:23,161 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:27:23,161 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:27:23,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 05:27:23,162 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-16 05:27:23,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:27:23,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1777313544, now seen corresponding path program 1 times [2021-12-16 05:27:23,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:27:23,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067306762] [2021-12-16 05:27:23,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:27:23,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:27:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:23,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:27:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:23,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:27:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:23,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:27:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:23,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:27:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:23,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:27:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:23,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:27:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:23,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:27:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:23,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:23,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:27:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:23,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:27:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:23,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:27:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:23,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:27:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:23,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:27:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:23,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:27:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:23,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:27:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:23,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:27:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:23,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:27:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:23,419 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-16 05:27:23,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:27:23,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067306762] [2021-12-16 05:27:23,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067306762] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:27:23,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:27:23,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:27:23,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277403041] [2021-12-16 05:27:23,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:27:23,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:27:23,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:27:23,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:27:23,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:27:23,421 INFO L87 Difference]: Start difference. First operand 2674 states and 3655 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, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-16 05:27:25,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:27:25,619 INFO L93 Difference]: Finished difference Result 2674 states and 3655 transitions. [2021-12-16 05:27:25,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:27:25,619 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, (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 113 [2021-12-16 05:27:25,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:27:25,635 INFO L225 Difference]: With dead ends: 2674 [2021-12-16 05:27:25,635 INFO L226 Difference]: Without dead ends: 2672 [2021-12-16 05:27:25,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:27:25,637 INFO L933 BasicCegarLoop]: 1785 mSDtfsCounter, 2777 mSDsluCounter, 2322 mSDsCounter, 0 mSdLazyCounter, 1331 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2941 SdHoareTripleChecker+Valid, 4107 SdHoareTripleChecker+Invalid, 2605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:27:25,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2941 Valid, 4107 Invalid, 2605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1331 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-16 05:27:25,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2672 states. [2021-12-16 05:27:25,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2672 to 2672. [2021-12-16 05:27:25,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2672 states, 1905 states have (on average 1.2671916010498687) internal successors, (2414), 1947 states have internal predecessors, (2414), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-16 05:27:25,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 3653 transitions. [2021-12-16 05:27:25,744 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 3653 transitions. Word has length 113 [2021-12-16 05:27:25,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:27:25,746 INFO L470 AbstractCegarLoop]: Abstraction has 2672 states and 3653 transitions. [2021-12-16 05:27:25,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-16 05:27:25,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3653 transitions. [2021-12-16 05:27:25,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-16 05:27:25,747 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:27:25,747 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:27:25,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-16 05:27:25,748 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-16 05:27:25,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:27:25,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1398799483, now seen corresponding path program 1 times [2021-12-16 05:27:25,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:27:25,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995162826] [2021-12-16 05:27:25,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:27:25,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:27:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:25,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:27:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:25,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:27:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:25,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:27:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:25,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:27:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:25,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:27:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:25,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:27:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:25,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:27:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:25,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:25,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:27:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:25,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:27:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:25,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:27:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:25,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:27:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:25,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:27:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:25,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:27:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:25,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:27:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:25,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:27:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:25,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:27:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:25,972 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-16 05:27:25,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:27:25,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995162826] [2021-12-16 05:27:25,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995162826] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:27:25,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:27:25,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:27:25,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851709579] [2021-12-16 05:27:25,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:27:25,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:27:25,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:27:25,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:27:25,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:27:25,975 INFO L87 Difference]: Start difference. First operand 2672 states and 3653 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-16 05:27:28,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:27:28,123 INFO L93 Difference]: Finished difference Result 2672 states and 3653 transitions. [2021-12-16 05:27:28,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:27:28,124 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (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 115 [2021-12-16 05:27:28,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:27:28,157 INFO L225 Difference]: With dead ends: 2672 [2021-12-16 05:27:28,158 INFO L226 Difference]: Without dead ends: 2670 [2021-12-16 05:27:28,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:27:28,165 INFO L933 BasicCegarLoop]: 1783 mSDtfsCounter, 2765 mSDsluCounter, 2322 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2929 SdHoareTripleChecker+Valid, 4105 SdHoareTripleChecker+Invalid, 2607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:27:28,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2929 Valid, 4105 Invalid, 2607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-16 05:27:28,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2670 states. [2021-12-16 05:27:28,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2670 to 2670. [2021-12-16 05:27:28,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2670 states, 1904 states have (on average 1.2668067226890756) internal successors, (2412), 1945 states have internal predecessors, (2412), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-16 05:27:28,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 3651 transitions. [2021-12-16 05:27:28,336 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 3651 transitions. Word has length 115 [2021-12-16 05:27:28,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:27:28,337 INFO L470 AbstractCegarLoop]: Abstraction has 2670 states and 3651 transitions. [2021-12-16 05:27:28,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-16 05:27:28,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 3651 transitions. [2021-12-16 05:27:28,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-16 05:27:28,338 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:27:28,338 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:27:28,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-16 05:27:28,339 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-16 05:27:28,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:27:28,339 INFO L85 PathProgramCache]: Analyzing trace with hash 735494935, now seen corresponding path program 1 times [2021-12-16 05:27:28,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:27:28,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086555210] [2021-12-16 05:27:28,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:27:28,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:27:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:27:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:27:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:27:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:27:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:27:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:27:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:27:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:27:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:27:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:27:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:27:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:27:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:27:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:27:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:27:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:27:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-16 05:27:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:28,538 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-16 05:27:28,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:27:28,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086555210] [2021-12-16 05:27:28,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086555210] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:27:28,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:27:28,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:27:28,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686067223] [2021-12-16 05:27:28,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:27:28,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:27:28,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:27:28,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:27:28,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:27:28,540 INFO L87 Difference]: Start difference. First operand 2670 states and 3651 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-16 05:27:32,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-16 05:27:33,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:27:33,225 INFO L93 Difference]: Finished difference Result 2670 states and 3651 transitions. [2021-12-16 05:27:33,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:27:33,225 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (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 121 [2021-12-16 05:27:33,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:27:33,236 INFO L225 Difference]: With dead ends: 2670 [2021-12-16 05:27:33,236 INFO L226 Difference]: Without dead ends: 2668 [2021-12-16 05:27:33,238 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:27:33,239 INFO L933 BasicCegarLoop]: 1781 mSDtfsCounter, 2761 mSDsluCounter, 2322 mSDsCounter, 0 mSdLazyCounter, 1330 mSolverCounterSat, 1274 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2924 SdHoareTripleChecker+Valid, 4103 SdHoareTripleChecker+Invalid, 2605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1330 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-16 05:27:33,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2924 Valid, 4103 Invalid, 2605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1330 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2021-12-16 05:27:33,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-12-16 05:27:33,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 2668. [2021-12-16 05:27:33,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2668 states, 1903 states have (on average 1.2664214398318445) internal successors, (2410), 1943 states have internal predecessors, (2410), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-16 05:27:33,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 2668 states and 3649 transitions. [2021-12-16 05:27:33,363 INFO L78 Accepts]: Start accepts. Automaton has 2668 states and 3649 transitions. Word has length 121 [2021-12-16 05:27:33,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:27:33,364 INFO L470 AbstractCegarLoop]: Abstraction has 2668 states and 3649 transitions. [2021-12-16 05:27:33,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-16 05:27:33,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2668 states and 3649 transitions. [2021-12-16 05:27:33,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-16 05:27:33,365 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:27:33,366 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:27:33,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-16 05:27:33,366 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-16 05:27:33,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:27:33,366 INFO L85 PathProgramCache]: Analyzing trace with hash 565397070, now seen corresponding path program 1 times [2021-12-16 05:27:33,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:27:33,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511141315] [2021-12-16 05:27:33,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:27:33,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:27:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:27:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:27:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:27:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:27:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:27:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:27:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:27:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:27:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:27:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:27:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:27:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:27:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:27:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:27:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:27:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:27:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-16 05:27:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 05:27:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:33,749 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-16 05:27:33,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:27:33,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511141315] [2021-12-16 05:27:33,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511141315] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:27:33,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:27:33,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:27:33,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136488971] [2021-12-16 05:27:33,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:27:33,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:27:33,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:27:33,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:27:33,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:27:33,750 INFO L87 Difference]: Start difference. First operand 2668 states and 3649 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-16 05:27:35,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:27:35,851 INFO L93 Difference]: Finished difference Result 2668 states and 3649 transitions. [2021-12-16 05:27:35,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:27:35,852 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 4 states have internal predecessors, (77), 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 127 [2021-12-16 05:27:35,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:27:35,862 INFO L225 Difference]: With dead ends: 2668 [2021-12-16 05:27:35,862 INFO L226 Difference]: Without dead ends: 2666 [2021-12-16 05:27:35,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:27:35,865 INFO L933 BasicCegarLoop]: 1779 mSDtfsCounter, 2755 mSDsluCounter, 2322 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2917 SdHoareTripleChecker+Valid, 4101 SdHoareTripleChecker+Invalid, 2603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-16 05:27:35,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2917 Valid, 4101 Invalid, 2603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-16 05:27:35,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states. [2021-12-16 05:27:36,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 2666. [2021-12-16 05:27:36,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2666 states, 1902 states have (on average 1.2660357518401681) internal successors, (2408), 1941 states have internal predecessors, (2408), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-16 05:27:36,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2666 states and 3647 transitions. [2021-12-16 05:27:36,017 INFO L78 Accepts]: Start accepts. Automaton has 2666 states and 3647 transitions. Word has length 127 [2021-12-16 05:27:36,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:27:36,017 INFO L470 AbstractCegarLoop]: Abstraction has 2666 states and 3647 transitions. [2021-12-16 05:27:36,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-16 05:27:36,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 3647 transitions. [2021-12-16 05:27:36,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-16 05:27:36,018 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:27:36,018 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:27:36,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-16 05:27:36,019 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-16 05:27:36,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:27:36,019 INFO L85 PathProgramCache]: Analyzing trace with hash 517482079, now seen corresponding path program 1 times [2021-12-16 05:27:36,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:27:36,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549845521] [2021-12-16 05:27:36,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:27:36,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:27:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:27:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:27:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:27:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:27:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:27:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:27:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:27:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:27:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:27:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:27:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:27:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:27:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:27:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:27:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:27:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:27:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-16 05:27:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 05:27:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-16 05:27:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:36,276 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-16 05:27:36,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:27:36,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549845521] [2021-12-16 05:27:36,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549845521] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:27:36,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:27:36,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:27:36,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896952846] [2021-12-16 05:27:36,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:27:36,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:27:36,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:27:36,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:27:36,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:27:36,280 INFO L87 Difference]: Start difference. First operand 2666 states and 3647 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-16 05:27:38,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:27:38,388 INFO L93 Difference]: Finished difference Result 2666 states and 3647 transitions. [2021-12-16 05:27:38,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:27:38,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 133 [2021-12-16 05:27:38,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:27:38,405 INFO L225 Difference]: With dead ends: 2666 [2021-12-16 05:27:38,405 INFO L226 Difference]: Without dead ends: 2664 [2021-12-16 05:27:38,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:27:38,410 INFO L933 BasicCegarLoop]: 1777 mSDtfsCounter, 2749 mSDsluCounter, 2322 mSDsCounter, 0 mSdLazyCounter, 1327 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2910 SdHoareTripleChecker+Valid, 4099 SdHoareTripleChecker+Invalid, 2601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-16 05:27:38,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2910 Valid, 4099 Invalid, 2601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1327 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-16 05:27:38,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2664 states. [2021-12-16 05:27:38,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2664 to 2664. [2021-12-16 05:27:38,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2664 states, 1901 states have (on average 1.2656496580746974) internal successors, (2406), 1939 states have internal predecessors, (2406), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-16 05:27:38,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2664 states and 3645 transitions. [2021-12-16 05:27:38,552 INFO L78 Accepts]: Start accepts. Automaton has 2664 states and 3645 transitions. Word has length 133 [2021-12-16 05:27:38,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:27:38,553 INFO L470 AbstractCegarLoop]: Abstraction has 2664 states and 3645 transitions. [2021-12-16 05:27:38,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-16 05:27:38,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 3645 transitions. [2021-12-16 05:27:38,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-12-16 05:27:38,554 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:27:38,554 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:27:38,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-16 05:27:38,555 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-16 05:27:38,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:27:38,555 INFO L85 PathProgramCache]: Analyzing trace with hash -442601232, now seen corresponding path program 1 times [2021-12-16 05:27:38,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:27:38,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135402333] [2021-12-16 05:27:38,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:27:38,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:27:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:27:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:27:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:27:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:27:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:27:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:27:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:27:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:27:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:27:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:27:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:27:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:27:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:27:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:27:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:27:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:27:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-16 05:27:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 05:27:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-16 05:27:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-16 05:27:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:38,776 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-16 05:27:38,776 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:27:38,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135402333] [2021-12-16 05:27:38,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135402333] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:27:38,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:27:38,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:27:38,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36027118] [2021-12-16 05:27:38,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:27:38,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:27:38,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:27:38,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:27:38,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:27:38,780 INFO L87 Difference]: Start difference. First operand 2664 states and 3645 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-16 05:27:41,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:27:41,358 INFO L93 Difference]: Finished difference Result 2664 states and 3645 transitions. [2021-12-16 05:27:41,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:27:41,359 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2021-12-16 05:27:41,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:27:41,366 INFO L225 Difference]: With dead ends: 2664 [2021-12-16 05:27:41,367 INFO L226 Difference]: Without dead ends: 2662 [2021-12-16 05:27:41,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:27:41,369 INFO L933 BasicCegarLoop]: 1775 mSDtfsCounter, 2743 mSDsluCounter, 2322 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2903 SdHoareTripleChecker+Valid, 4097 SdHoareTripleChecker+Invalid, 2599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-16 05:27:41,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2903 Valid, 4097 Invalid, 2599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1325 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-16 05:27:41,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2662 states. [2021-12-16 05:27:41,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2662 to 2662. [2021-12-16 05:27:41,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2662 states, 1900 states have (on average 1.2652631578947369) internal successors, (2404), 1937 states have internal predecessors, (2404), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-16 05:27:41,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2662 states and 3643 transitions. [2021-12-16 05:27:41,474 INFO L78 Accepts]: Start accepts. Automaton has 2662 states and 3643 transitions. Word has length 139 [2021-12-16 05:27:41,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:27:41,475 INFO L470 AbstractCegarLoop]: Abstraction has 2662 states and 3643 transitions. [2021-12-16 05:27:41,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-16 05:27:41,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 3643 transitions. [2021-12-16 05:27:41,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-16 05:27:41,476 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:27:41,477 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:27:41,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-16 05:27:41,477 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-16 05:27:41,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:27:41,477 INFO L85 PathProgramCache]: Analyzing trace with hash 834405942, now seen corresponding path program 1 times [2021-12-16 05:27:41,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:27:41,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803769369] [2021-12-16 05:27:41,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:27:41,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:27:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:27:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:27:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:27:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:27:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:27:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:27:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:27:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:27:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:27:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:27:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:27:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:27:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:27:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:27:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:27:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:27:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-16 05:27:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 05:27:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-16 05:27:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-16 05:27:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:27:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:41,787 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-16 05:27:41,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:27:41,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803769369] [2021-12-16 05:27:41,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803769369] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:27:41,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:27:41,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:27:41,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898670445] [2021-12-16 05:27:41,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:27:41,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:27:41,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:27:41,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:27:41,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:27:41,791 INFO L87 Difference]: Start difference. First operand 2662 states and 3643 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-16 05:27:44,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:27:44,726 INFO L93 Difference]: Finished difference Result 2662 states and 3643 transitions. [2021-12-16 05:27:44,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:27:44,726 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 145 [2021-12-16 05:27:44,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:27:44,733 INFO L225 Difference]: With dead ends: 2662 [2021-12-16 05:27:44,733 INFO L226 Difference]: Without dead ends: 2660 [2021-12-16 05:27:44,734 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:27:44,735 INFO L933 BasicCegarLoop]: 1773 mSDtfsCounter, 2737 mSDsluCounter, 2322 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2896 SdHoareTripleChecker+Valid, 4095 SdHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-16 05:27:44,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2896 Valid, 4095 Invalid, 2597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-16 05:27:44,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2660 states. [2021-12-16 05:27:44,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 2660. [2021-12-16 05:27:44,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2660 states, 1899 states have (on average 1.2648762506582412) internal successors, (2402), 1935 states have internal predecessors, (2402), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-16 05:27:44,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 3641 transitions. [2021-12-16 05:27:44,837 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 3641 transitions. Word has length 145 [2021-12-16 05:27:44,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:27:44,837 INFO L470 AbstractCegarLoop]: Abstraction has 2660 states and 3641 transitions. [2021-12-16 05:27:44,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-16 05:27:44,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 3641 transitions. [2021-12-16 05:27:44,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-16 05:27:44,839 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:27:44,839 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:27:44,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-16 05:27:44,839 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-16 05:27:44,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:27:44,840 INFO L85 PathProgramCache]: Analyzing trace with hash -2142227729, now seen corresponding path program 1 times [2021-12-16 05:27:44,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:27:44,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964388067] [2021-12-16 05:27:44,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:27:44,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:27:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:27:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:27:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:27:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:27:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 05:27:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:27:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:27:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 05:27:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:27:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:27:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-16 05:27:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:27:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:27:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-16 05:27:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 05:27:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:27:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 05:27:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-16 05:27:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-16 05:27:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:27:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-16 05:27:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 05:27:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-16 05:27:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-16 05:27:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-16 05:27:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:27:45,219 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2021-12-16 05:27:45,219 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:27:45,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964388067] [2021-12-16 05:27:45,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964388067] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:27:45,220 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:27:45,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 05:27:45,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962257680] [2021-12-16 05:27:45,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:27:45,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 05:27:45,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:27:45,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 05:27:45,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:27:45,222 INFO L87 Difference]: Start difference. First operand 2660 states and 3641 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)