./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--usb--misc--iowarrior.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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--usb--misc--iowarrior.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 e43d327fd5285ee9795a48a69e4937bd1e92d15521fc1385d692744b7cf677e0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 16:06:23,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 16:06:23,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 16:06:23,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 16:06:23,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 16:06:23,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 16:06:23,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 16:06:23,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 16:06:23,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 16:06:23,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 16:06:23,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 16:06:23,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 16:06:23,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 16:06:23,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 16:06:23,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 16:06:23,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 16:06:23,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 16:06:23,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 16:06:23,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 16:06:23,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 16:06:23,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 16:06:23,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 16:06:23,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 16:06:23,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 16:06:23,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 16:06:23,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 16:06:23,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 16:06:23,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 16:06:23,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 16:06:23,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 16:06:23,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 16:06:23,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 16:06:23,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 16:06:23,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 16:06:23,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 16:06:23,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 16:06:23,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 16:06:23,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 16:06:23,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 16:06:23,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 16:06:23,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 16:06:23,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 16:06:23,241 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 16:06:23,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 16:06:23,242 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 16:06:23,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 16:06:23,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 16:06:23,243 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 16:06:23,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 16:06:23,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 16:06:23,244 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 16:06:23,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 16:06:23,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 16:06:23,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 16:06:23,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 16:06:23,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 16:06:23,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 16:06:23,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 16:06:23,247 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 16:06:23,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 16:06:23,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 16:06:23,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 16:06:23,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 16:06:23,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 16:06:23,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 16:06:23,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 16:06:23,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 16:06:23,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 16:06:23,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 16:06:23,249 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 16:06:23,249 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 16:06:23,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 16:06:23,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 16:06:23,251 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e43d327fd5285ee9795a48a69e4937bd1e92d15521fc1385d692744b7cf677e0 [2021-12-22 16:06:23,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 16:06:23,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 16:06:23,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 16:06:23,511 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 16:06:23,511 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 16:06:23,513 INFO L432 ainManager$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--usb--misc--iowarrior.ko.cil.i [2021-12-22 16:06:23,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b28708414/8b271df372c942329db2ae729e79ed81/FLAGdaa7aff4e [2021-12-22 16:06:24,269 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 16:06:24,270 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i [2021-12-22 16:06:24,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b28708414/8b271df372c942329db2ae729e79ed81/FLAGdaa7aff4e [2021-12-22 16:06:24,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b28708414/8b271df372c942329db2ae729e79ed81 [2021-12-22 16:06:24,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 16:06:24,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 16:06:24,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 16:06:24,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 16:06:24,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 16:06:24,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:06:24" (1/1) ... [2021-12-22 16:06:24,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5a76ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:24, skipping insertion in model container [2021-12-22 16:06:24,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:06:24" (1/1) ... [2021-12-22 16:06:24,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 16:06:24,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 16:06:26,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281249,281262] [2021-12-22 16:06:26,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281394,281407] [2021-12-22 16:06:26,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281540,281553] [2021-12-22 16:06:26,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281705,281718] [2021-12-22 16:06:26,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281863,281876] [2021-12-22 16:06:26,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282021,282034] [2021-12-22 16:06:26,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282179,282192] [2021-12-22 16:06:26,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282339,282352] [2021-12-22 16:06:26,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282498,282511] [2021-12-22 16:06:26,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282637,282650] [2021-12-22 16:06:26,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282779,282792] [2021-12-22 16:06:26,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282928,282941] [2021-12-22 16:06:26,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283067,283080] [2021-12-22 16:06:26,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283222,283235] [2021-12-22 16:06:26,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283382,283395] [2021-12-22 16:06:26,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283533,283546] [2021-12-22 16:06:26,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283684,283697] [2021-12-22 16:06:26,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283836,283849] [2021-12-22 16:06:26,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283985,283998] [2021-12-22 16:06:26,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284133,284146] [2021-12-22 16:06:26,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284290,284303] [2021-12-22 16:06:26,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284439,284452] [2021-12-22 16:06:26,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284595,284608] [2021-12-22 16:06:26,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284748,284761] [2021-12-22 16:06:26,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284894,284907] [2021-12-22 16:06:26,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285037,285050] [2021-12-22 16:06:26,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285189,285202] [2021-12-22 16:06:26,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285335,285348] [2021-12-22 16:06:26,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285480,285493] [2021-12-22 16:06:26,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285634,285647] [2021-12-22 16:06:26,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285785,285798] [2021-12-22 16:06:26,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285940,285953] [2021-12-22 16:06:26,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286092,286105] [2021-12-22 16:06:26,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286247,286260] [2021-12-22 16:06:26,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286411,286424] [2021-12-22 16:06:26,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286567,286580] [2021-12-22 16:06:26,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286731,286744] [2021-12-22 16:06:26,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286873,286886] [2021-12-22 16:06:26,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287031,287044] [2021-12-22 16:06:26,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287198,287211] [2021-12-22 16:06:26,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287357,287370] [2021-12-22 16:06:26,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287516,287529] [2021-12-22 16:06:26,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287665,287678] [2021-12-22 16:06:26,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287812,287825] [2021-12-22 16:06:26,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287951,287964] [2021-12-22 16:06:26,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288114,288127] [2021-12-22 16:06:26,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288280,288293] [2021-12-22 16:06:26,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288444,288457] [2021-12-22 16:06:26,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288609,288622] [2021-12-22 16:06:26,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288774,288787] [2021-12-22 16:06:26,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288940,288953] [2021-12-22 16:06:26,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289105,289118] [2021-12-22 16:06:26,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289272,289285] [2021-12-22 16:06:26,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289432,289445] [2021-12-22 16:06:26,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289594,289607] [2021-12-22 16:06:26,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289753,289766] [2021-12-22 16:06:26,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289899,289912] [2021-12-22 16:06:26,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290042,290055] [2021-12-22 16:06:26,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290186,290199] [2021-12-22 16:06:26,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290329,290342] [2021-12-22 16:06:26,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290473,290486] [2021-12-22 16:06:26,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290614,290627] [2021-12-22 16:06:26,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290752,290765] [2021-12-22 16:06:26,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290910,290923] [2021-12-22 16:06:26,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291069,291082] [2021-12-22 16:06:26,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291225,291238] [2021-12-22 16:06:26,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291374,291387] [2021-12-22 16:06:26,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291526,291539] [2021-12-22 16:06:26,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291677,291690] [2021-12-22 16:06:26,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291826,291839] [2021-12-22 16:06:26,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291978,291991] [2021-12-22 16:06:26,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292126,292139] [2021-12-22 16:06:26,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292279,292292] [2021-12-22 16:06:26,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292430,292443] [2021-12-22 16:06:26,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292580,292593] [2021-12-22 16:06:26,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292727,292740] [2021-12-22 16:06:26,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292878,292891] [2021-12-22 16:06:26,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293029,293042] [2021-12-22 16:06:26,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293177,293190] [2021-12-22 16:06:26,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293343,293356] [2021-12-22 16:06:26,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293512,293525] [2021-12-22 16:06:26,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293679,293692] [2021-12-22 16:06:26,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293847,293860] [2021-12-22 16:06:26,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293997,294010] [2021-12-22 16:06:26,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294144,294157] [2021-12-22 16:06:26,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294305,294318] [2021-12-22 16:06:26,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294475,294488] [2021-12-22 16:06:26,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294637,294650] [2021-12-22 16:06:26,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 16:06:26,650 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 16:06:26,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281249,281262] [2021-12-22 16:06:26,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281394,281407] [2021-12-22 16:06:26,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281540,281553] [2021-12-22 16:06:26,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281705,281718] [2021-12-22 16:06:26,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[281863,281876] [2021-12-22 16:06:26,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282021,282034] [2021-12-22 16:06:26,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282179,282192] [2021-12-22 16:06:26,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282339,282352] [2021-12-22 16:06:26,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282498,282511] [2021-12-22 16:06:26,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282637,282650] [2021-12-22 16:06:26,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282779,282792] [2021-12-22 16:06:26,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[282928,282941] [2021-12-22 16:06:26,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283067,283080] [2021-12-22 16:06:26,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283222,283235] [2021-12-22 16:06:26,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283382,283395] [2021-12-22 16:06:26,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283533,283546] [2021-12-22 16:06:26,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283684,283697] [2021-12-22 16:06:26,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283836,283849] [2021-12-22 16:06:26,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[283985,283998] [2021-12-22 16:06:26,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284133,284146] [2021-12-22 16:06:26,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284290,284303] [2021-12-22 16:06:26,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284439,284452] [2021-12-22 16:06:26,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284595,284608] [2021-12-22 16:06:26,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284748,284761] [2021-12-22 16:06:26,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[284894,284907] [2021-12-22 16:06:26,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285037,285050] [2021-12-22 16:06:26,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285189,285202] [2021-12-22 16:06:26,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285335,285348] [2021-12-22 16:06:26,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285480,285493] [2021-12-22 16:06:26,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285634,285647] [2021-12-22 16:06:26,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285785,285798] [2021-12-22 16:06:26,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[285940,285953] [2021-12-22 16:06:26,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286092,286105] [2021-12-22 16:06:26,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286247,286260] [2021-12-22 16:06:26,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286411,286424] [2021-12-22 16:06:26,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286567,286580] [2021-12-22 16:06:26,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286731,286744] [2021-12-22 16:06:26,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[286873,286886] [2021-12-22 16:06:26,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287031,287044] [2021-12-22 16:06:26,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287198,287211] [2021-12-22 16:06:26,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287357,287370] [2021-12-22 16:06:26,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287516,287529] [2021-12-22 16:06:26,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287665,287678] [2021-12-22 16:06:26,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287812,287825] [2021-12-22 16:06:26,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[287951,287964] [2021-12-22 16:06:26,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288114,288127] [2021-12-22 16:06:26,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288280,288293] [2021-12-22 16:06:26,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288444,288457] [2021-12-22 16:06:26,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288609,288622] [2021-12-22 16:06:26,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288774,288787] [2021-12-22 16:06:26,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[288940,288953] [2021-12-22 16:06:26,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289105,289118] [2021-12-22 16:06:26,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289272,289285] [2021-12-22 16:06:26,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289432,289445] [2021-12-22 16:06:26,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289594,289607] [2021-12-22 16:06:26,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289753,289766] [2021-12-22 16:06:26,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[289899,289912] [2021-12-22 16:06:26,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290042,290055] [2021-12-22 16:06:26,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290186,290199] [2021-12-22 16:06:26,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290329,290342] [2021-12-22 16:06:26,890 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290473,290486] [2021-12-22 16:06:26,891 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290614,290627] [2021-12-22 16:06:26,892 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290752,290765] [2021-12-22 16:06:26,894 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[290910,290923] [2021-12-22 16:06:26,894 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291069,291082] [2021-12-22 16:06:26,895 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291225,291238] [2021-12-22 16:06:26,895 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291374,291387] [2021-12-22 16:06:26,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291526,291539] [2021-12-22 16:06:26,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291677,291690] [2021-12-22 16:06:26,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291826,291839] [2021-12-22 16:06:26,898 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[291978,291991] [2021-12-22 16:06:26,901 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292126,292139] [2021-12-22 16:06:26,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292279,292292] [2021-12-22 16:06:26,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292430,292443] [2021-12-22 16:06:26,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292580,292593] [2021-12-22 16:06:26,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292727,292740] [2021-12-22 16:06:26,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[292878,292891] [2021-12-22 16:06:26,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293029,293042] [2021-12-22 16:06:26,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293177,293190] [2021-12-22 16:06:26,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293343,293356] [2021-12-22 16:06:26,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293512,293525] [2021-12-22 16:06:26,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293679,293692] [2021-12-22 16:06:26,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293847,293860] [2021-12-22 16:06:26,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[293997,294010] [2021-12-22 16:06:26,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294144,294157] [2021-12-22 16:06:26,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294305,294318] [2021-12-22 16:06:26,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294475,294488] [2021-12-22 16:06:26,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i[294637,294650] [2021-12-22 16:06:26,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 16:06:27,078 INFO L208 MainTranslator]: Completed translation [2021-12-22 16:06:27,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:27 WrapperNode [2021-12-22 16:06:27,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 16:06:27,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 16:06:27,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 16:06:27,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 16:06:27,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:27" (1/1) ... [2021-12-22 16:06:27,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:27" (1/1) ... [2021-12-22 16:06:27,325 INFO L137 Inliner]: procedures = 544, calls = 1509, calls flagged for inlining = 233, calls inlined = 144, statements flattened = 2948 [2021-12-22 16:06:27,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 16:06:27,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 16:06:27,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 16:06:27,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 16:06:27,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:27" (1/1) ... [2021-12-22 16:06:27,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:27" (1/1) ... [2021-12-22 16:06:27,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:27" (1/1) ... [2021-12-22 16:06:27,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:27" (1/1) ... [2021-12-22 16:06:27,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:27" (1/1) ... [2021-12-22 16:06:27,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:27" (1/1) ... [2021-12-22 16:06:27,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:27" (1/1) ... [2021-12-22 16:06:27,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 16:06:27,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 16:06:27,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 16:06:27,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 16:06:27,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:27" (1/1) ... [2021-12-22 16:06:27,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 16:06:27,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 16:06:27,564 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) [2021-12-22 16:06:27,585 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 [2021-12-22 16:06:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-22 16:06:27,599 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-22 16:06:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-22 16:06:27,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-22 16:06:27,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 16:06:27,600 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 16:06:27,600 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-22 16:06:27,600 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-22 16:06:27,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 16:06:27,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 16:06:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-22 16:06:27,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-22 16:06:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-22 16:06:27,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-22 16:06:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-22 16:06:27,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-22 16:06:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-22 16:06:27,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-22 16:06:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_iowarrior_mutex [2021-12-22 16:06:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_iowarrior_mutex [2021-12-22 16:06:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_report [2021-12-22 16:06:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_report [2021-12-22 16:06:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 16:06:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 16:06:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 16:06:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 16:06:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-22 16:06:27,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-22 16:06:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 16:06:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 16:06:27,603 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 16:06:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-22 16:06:27,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-22 16:06:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-22 16:06:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-22 16:06:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 16:06:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-22 16:06:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-22 16:06:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 16:06:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-22 16:06:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-22 16:06:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 16:06:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 16:06:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-22 16:06:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-22 16:06:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 16:06:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-22 16:06:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-22 16:06:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-22 16:06:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-22 16:06:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 16:06:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 16:06:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-22 16:06:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-22 16:06:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-22 16:06:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-22 16:06:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 16:06:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 16:06:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-22 16:06:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-22 16:06:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-22 16:06:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-22 16:06:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-22 16:06:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-22 16:06:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-22 16:06:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-22 16:06:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 16:06:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 16:06:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 16:06:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 16:06:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 16:06:27,609 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-22 16:06:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-22 16:06:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 16:06:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 16:06:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-22 16:06:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-22 16:06:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-22 16:06:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-22 16:06:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-22 16:06:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-22 16:06:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-22 16:06:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-22 16:06:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-22 16:06:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-22 16:06:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-22 16:06:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-22 16:06:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 16:06:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 16:06:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_iowarrior [2021-12-22 16:06:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_iowarrior [2021-12-22 16:06:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-22 16:06:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-22 16:06:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 16:06:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 16:06:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 16:06:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 16:06:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_disconnect [2021-12-22 16:06:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_disconnect [2021-12-22 16:06:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 16:06:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 16:06:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 16:06:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 16:06:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-22 16:06:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-22 16:06:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-22 16:06:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-22 16:06:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_delete [2021-12-22 16:06:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_delete [2021-12-22 16:06:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-22 16:06:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-22 16:06:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-22 16:06:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-22 16:06:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 16:06:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 16:06:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 16:06:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-22 16:06:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-22 16:06:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 16:06:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_iowarrior_mutex [2021-12-22 16:06:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_iowarrior_mutex [2021-12-22 16:06:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2021-12-22 16:06:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2021-12-22 16:06:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 16:06:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-22 16:06:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-22 16:06:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 16:06:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 16:06:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-22 16:06:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-22 16:06:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-22 16:06:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-22 16:06:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure read_index [2021-12-22 16:06:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure read_index [2021-12-22 16:06:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 16:06:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 16:06:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 16:06:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 16:06:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_iowarrior_open_disc_lock [2021-12-22 16:06:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_iowarrior_open_disc_lock [2021-12-22 16:06:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-22 16:06:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-22 16:06:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-22 16:06:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-22 16:06:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-22 16:06:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-22 16:06:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_iowarrior [2021-12-22 16:06:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_iowarrior [2021-12-22 16:06:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-22 16:06:27,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-22 16:06:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-22 16:06:27,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-22 16:06:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-22 16:06:27,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-22 16:06:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-22 16:06:27,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-22 16:06:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-22 16:06:27,625 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-22 16:06:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 16:06:27,625 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 16:06:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-22 16:06:27,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-22 16:06:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 16:06:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-22 16:06:27,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-22 16:06:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 16:06:27,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 16:06:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-22 16:06:27,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-22 16:06:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_iowarrior_open_disc_lock [2021-12-22 16:06:27,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_iowarrior_open_disc_lock [2021-12-22 16:06:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-22 16:06:27,626 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-22 16:06:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-22 16:06:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-22 16:06:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 16:06:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 16:06:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 16:06:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 16:06:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-22 16:06:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-22 16:06:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 16:06:28,134 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 16:06:28,137 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 16:06:28,253 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 16:06:30,145 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 16:06:30,163 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 16:06:30,164 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 16:06:30,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:06:30 BoogieIcfgContainer [2021-12-22 16:06:30,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 16:06:30,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 16:06:30,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 16:06:30,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 16:06:30,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 04:06:24" (1/3) ... [2021-12-22 16:06:30,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2021489a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:06:30, skipping insertion in model container [2021-12-22 16:06:30,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:27" (2/3) ... [2021-12-22 16:06:30,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2021489a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:06:30, skipping insertion in model container [2021-12-22 16:06:30,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:06:30" (3/3) ... [2021-12-22 16:06:30,179 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--iowarrior.ko.cil.i [2021-12-22 16:06:30,184 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 16:06:30,184 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2021-12-22 16:06:30,239 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 16:06:30,245 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 [2021-12-22 16:06:30,246 INFO L340 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-12-22 16:06:30,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 1112 states, 716 states have (on average 1.2807262569832403) internal successors, (917), 764 states have internal predecessors, (917), 284 states have call successors, (284), 83 states have call predecessors, (284), 82 states have return successors, (279), 274 states have call predecessors, (279), 279 states have call successors, (279) [2021-12-22 16:06:30,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-22 16:06:30,304 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:30,305 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:30,305 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:06:30,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:30,310 INFO L85 PathProgramCache]: Analyzing trace with hash 727129283, now seen corresponding path program 1 times [2021-12-22 16:06:30,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:30,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018835552] [2021-12-22 16:06:30,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:30,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:30,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:30,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:06:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:30,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:30,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:30,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:06:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:30,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:06:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:30,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:06:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:30,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:30,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:06:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:30,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:06:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:30,853 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:06:30,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:30,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018835552] [2021-12-22 16:06:30,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018835552] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:30,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:30,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:06:30,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286671293] [2021-12-22 16:06:30,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:30,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:06:30,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:30,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:06:30,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:06:30,908 INFO L87 Difference]: Start difference. First operand has 1112 states, 716 states have (on average 1.2807262569832403) internal successors, (917), 764 states have internal predecessors, (917), 284 states have call successors, (284), 83 states have call predecessors, (284), 82 states have return successors, (279), 274 states have call predecessors, (279), 279 states have call successors, (279) Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-22 16:06:32,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:32,888 INFO L93 Difference]: Finished difference Result 2174 states and 2986 transitions. [2021-12-22 16:06:32,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:06:32,892 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 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 [2021-12-22 16:06:32,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:32,923 INFO L225 Difference]: With dead ends: 2174 [2021-12-22 16:06:32,923 INFO L226 Difference]: Without dead ends: 1094 [2021-12-22 16:06:32,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:06:32,940 INFO L933 BasicCegarLoop]: 1384 mSDtfsCounter, 1845 mSDsluCounter, 2008 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2055 SdHoareTripleChecker+Valid, 3392 SdHoareTripleChecker+Invalid, 1748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 806 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:32,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2055 Valid, 3392 Invalid, 1748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [806 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-22 16:06:32,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2021-12-22 16:06:33,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 1094. [2021-12-22 16:06:33,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 706 states have (on average 1.2351274787535411) internal successors, (872), 749 states have internal predecessors, (872), 279 states have call successors, (279), 82 states have call predecessors, (279), 81 states have return successors, (277), 272 states have call predecessors, (277), 277 states have call successors, (277) [2021-12-22 16:06:33,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1428 transitions. [2021-12-22 16:06:33,086 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1428 transitions. Word has length 71 [2021-12-22 16:06:33,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:33,087 INFO L470 AbstractCegarLoop]: Abstraction has 1094 states and 1428 transitions. [2021-12-22 16:06:33,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-22 16:06:33,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1428 transitions. [2021-12-22 16:06:33,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-22 16:06:33,091 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:33,091 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:33,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 16:06:33,091 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:06:33,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:33,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1273100994, now seen corresponding path program 1 times [2021-12-22 16:06:33,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:33,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270602708] [2021-12-22 16:06:33,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:33,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:33,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:33,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:06:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:33,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:33,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:33,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:06:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:33,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:06:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:33,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:06:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:33,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:33,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:06:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:33,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:06:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:33,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:06:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:33,404 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:06:33,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:33,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270602708] [2021-12-22 16:06:33,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270602708] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:33,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:33,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:06:33,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911341500] [2021-12-22 16:06:33,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:33,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:06:33,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:33,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:06:33,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:06:33,408 INFO L87 Difference]: Start difference. First operand 1094 states and 1428 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (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) [2021-12-22 16:06:35,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:35,062 INFO L93 Difference]: Finished difference Result 1094 states and 1428 transitions. [2021-12-22 16:06:35,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:06:35,062 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (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 [2021-12-22 16:06:35,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:35,069 INFO L225 Difference]: With dead ends: 1094 [2021-12-22 16:06:35,069 INFO L226 Difference]: Without dead ends: 1092 [2021-12-22 16:06:35,070 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 [2021-12-22 16:06:35,070 INFO L933 BasicCegarLoop]: 1364 mSDtfsCounter, 1811 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2018 SdHoareTripleChecker+Valid, 3350 SdHoareTripleChecker+Invalid, 1726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:35,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2018 Valid, 3350 Invalid, 1726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-22 16:06:35,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2021-12-22 16:06:35,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1092. [2021-12-22 16:06:35,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 705 states have (on average 1.2340425531914894) internal successors, (870), 747 states have internal predecessors, (870), 279 states have call successors, (279), 82 states have call predecessors, (279), 81 states have return successors, (277), 272 states have call predecessors, (277), 277 states have call successors, (277) [2021-12-22 16:06:35,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1426 transitions. [2021-12-22 16:06:35,149 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1426 transitions. Word has length 77 [2021-12-22 16:06:35,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:35,150 INFO L470 AbstractCegarLoop]: Abstraction has 1092 states and 1426 transitions. [2021-12-22 16:06:35,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (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) [2021-12-22 16:06:35,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1426 transitions. [2021-12-22 16:06:35,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-22 16:06:35,152 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:35,152 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:35,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 16:06:35,152 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:06:35,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:35,153 INFO L85 PathProgramCache]: Analyzing trace with hash 676994359, now seen corresponding path program 1 times [2021-12-22 16:06:35,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:35,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199464136] [2021-12-22 16:06:35,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:35,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:35,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:35,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:06:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:35,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:35,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:35,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:06:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:35,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:06:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:35,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:06:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:35,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:35,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:06:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:35,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:06:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:35,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:06:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:35,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:06:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:35,443 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:06:35,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:35,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199464136] [2021-12-22 16:06:35,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199464136] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:35,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:35,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:06:35,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338539811] [2021-12-22 16:06:35,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:35,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:06:35,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:35,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:06:35,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:06:35,446 INFO L87 Difference]: Start difference. First operand 1092 states and 1426 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-22 16:06:37,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:37,056 INFO L93 Difference]: Finished difference Result 1092 states and 1426 transitions. [2021-12-22 16:06:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:06:37,057 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83 [2021-12-22 16:06:37,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:37,062 INFO L225 Difference]: With dead ends: 1092 [2021-12-22 16:06:37,062 INFO L226 Difference]: Without dead ends: 1090 [2021-12-22 16:06:37,063 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 [2021-12-22 16:06:37,063 INFO L933 BasicCegarLoop]: 1362 mSDtfsCounter, 1805 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2011 SdHoareTripleChecker+Valid, 3348 SdHoareTripleChecker+Invalid, 1724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:37,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2011 Valid, 3348 Invalid, 1724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 928 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-22 16:06:37,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2021-12-22 16:06:37,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1090. [2021-12-22 16:06:37,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 704 states have (on average 1.2329545454545454) internal successors, (868), 745 states have internal predecessors, (868), 279 states have call successors, (279), 82 states have call predecessors, (279), 81 states have return successors, (277), 272 states have call predecessors, (277), 277 states have call successors, (277) [2021-12-22 16:06:37,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1424 transitions. [2021-12-22 16:06:37,110 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1424 transitions. Word has length 83 [2021-12-22 16:06:37,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:37,111 INFO L470 AbstractCegarLoop]: Abstraction has 1090 states and 1424 transitions. [2021-12-22 16:06:37,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-22 16:06:37,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1424 transitions. [2021-12-22 16:06:37,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-22 16:06:37,117 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:37,117 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:37,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 16:06:37,118 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:06:37,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:37,118 INFO L85 PathProgramCache]: Analyzing trace with hash -2061908722, now seen corresponding path program 1 times [2021-12-22 16:06:37,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:37,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329472639] [2021-12-22 16:06:37,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:37,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:37,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:06:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:37,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:37,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:37,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:06:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:37,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:06:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:37,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:06:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:37,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:37,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:06:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:37,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:06:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:37,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:06:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:37,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:06:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:37,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:06:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:37,366 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:06:37,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:37,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329472639] [2021-12-22 16:06:37,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329472639] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:37,367 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:37,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:06:37,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15328036] [2021-12-22 16:06:37,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:37,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:06:37,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:37,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:06:37,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:06:37,369 INFO L87 Difference]: Start difference. First operand 1090 states and 1424 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-22 16:06:38,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:38,948 INFO L93 Difference]: Finished difference Result 1090 states and 1424 transitions. [2021-12-22 16:06:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:06:38,948 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 89 [2021-12-22 16:06:38,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:38,954 INFO L225 Difference]: With dead ends: 1090 [2021-12-22 16:06:38,955 INFO L226 Difference]: Without dead ends: 1088 [2021-12-22 16:06:38,955 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 [2021-12-22 16:06:38,956 INFO L933 BasicCegarLoop]: 1360 mSDtfsCounter, 1799 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2004 SdHoareTripleChecker+Valid, 3346 SdHoareTripleChecker+Invalid, 1722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:38,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2004 Valid, 3346 Invalid, 1722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-22 16:06:38,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2021-12-22 16:06:38,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 1088. [2021-12-22 16:06:39,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 703 states have (on average 1.231863442389758) internal successors, (866), 743 states have internal predecessors, (866), 279 states have call successors, (279), 82 states have call predecessors, (279), 81 states have return successors, (277), 272 states have call predecessors, (277), 277 states have call successors, (277) [2021-12-22 16:06:39,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1422 transitions. [2021-12-22 16:06:39,008 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1422 transitions. Word has length 89 [2021-12-22 16:06:39,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:39,009 INFO L470 AbstractCegarLoop]: Abstraction has 1088 states and 1422 transitions. [2021-12-22 16:06:39,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-22 16:06:39,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1422 transitions. [2021-12-22 16:06:39,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-22 16:06:39,011 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:39,011 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:39,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 16:06:39,012 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:06:39,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:39,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1485188023, now seen corresponding path program 1 times [2021-12-22 16:06:39,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:39,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345387575] [2021-12-22 16:06:39,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:39,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:39,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:39,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:06:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:39,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:39,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:39,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:06:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:39,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:06:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:39,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:06:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:39,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:39,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:06:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:39,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:06:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:39,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:06:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:39,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:06:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:39,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:06:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:39,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:06:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:39,254 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:06:39,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:39,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345387575] [2021-12-22 16:06:39,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345387575] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:39,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:39,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:06:39,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299672650] [2021-12-22 16:06:39,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:39,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:06:39,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:39,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:06:39,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:06:39,257 INFO L87 Difference]: Start difference. First operand 1088 states and 1422 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-22 16:06:40,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:40,686 INFO L93 Difference]: Finished difference Result 1088 states and 1422 transitions. [2021-12-22 16:06:40,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:06:40,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2021-12-22 16:06:40,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:40,693 INFO L225 Difference]: With dead ends: 1088 [2021-12-22 16:06:40,693 INFO L226 Difference]: Without dead ends: 1086 [2021-12-22 16:06:40,694 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 [2021-12-22 16:06:40,694 INFO L933 BasicCegarLoop]: 1358 mSDtfsCounter, 1793 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1997 SdHoareTripleChecker+Valid, 3344 SdHoareTripleChecker+Invalid, 1720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:40,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1997 Valid, 3344 Invalid, 1720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 924 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-22 16:06:40,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2021-12-22 16:06:40,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1086. [2021-12-22 16:06:40,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 702 states have (on average 1.2307692307692308) internal successors, (864), 741 states have internal predecessors, (864), 279 states have call successors, (279), 82 states have call predecessors, (279), 81 states have return successors, (277), 272 states have call predecessors, (277), 277 states have call successors, (277) [2021-12-22 16:06:40,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1420 transitions. [2021-12-22 16:06:40,739 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1420 transitions. Word has length 95 [2021-12-22 16:06:40,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:40,740 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1420 transitions. [2021-12-22 16:06:40,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-22 16:06:40,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1420 transitions. [2021-12-22 16:06:40,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-22 16:06:40,742 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:40,742 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:40,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 16:06:40,742 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:06:40,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:40,743 INFO L85 PathProgramCache]: Analyzing trace with hash -974461198, now seen corresponding path program 1 times [2021-12-22 16:06:40,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:40,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462738911] [2021-12-22 16:06:40,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:40,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:40,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:40,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:06:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:40,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:40,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:40,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:06:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:40,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:06:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:40,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:06:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:40,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:40,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:06:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:40,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:06:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:40,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:06:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:40,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:06:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:40,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:06:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:40,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:06:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:40,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:06:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:06:40,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:40,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462738911] [2021-12-22 16:06:40,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462738911] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:40,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:40,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:06:40,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366120458] [2021-12-22 16:06:40,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:40,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:06:40,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:40,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:06:40,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:06:40,965 INFO L87 Difference]: Start difference. First operand 1086 states and 1420 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-22 16:06:42,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:42,492 INFO L93 Difference]: Finished difference Result 1086 states and 1420 transitions. [2021-12-22 16:06:42,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:06:42,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2021-12-22 16:06:42,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:42,499 INFO L225 Difference]: With dead ends: 1086 [2021-12-22 16:06:42,499 INFO L226 Difference]: Without dead ends: 1084 [2021-12-22 16:06:42,500 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 [2021-12-22 16:06:42,501 INFO L933 BasicCegarLoop]: 1356 mSDtfsCounter, 1787 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1990 SdHoareTripleChecker+Valid, 3342 SdHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:42,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1990 Valid, 3342 Invalid, 1718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 922 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-22 16:06:42,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2021-12-22 16:06:42,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1084. [2021-12-22 16:06:42,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 701 states have (on average 1.2296718972895864) internal successors, (862), 739 states have internal predecessors, (862), 279 states have call successors, (279), 82 states have call predecessors, (279), 81 states have return successors, (277), 272 states have call predecessors, (277), 277 states have call successors, (277) [2021-12-22 16:06:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1418 transitions. [2021-12-22 16:06:42,543 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1418 transitions. Word has length 101 [2021-12-22 16:06:42,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:42,544 INFO L470 AbstractCegarLoop]: Abstraction has 1084 states and 1418 transitions. [2021-12-22 16:06:42,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-22 16:06:42,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1418 transitions. [2021-12-22 16:06:42,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-22 16:06:42,547 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:42,547 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:42,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 16:06:42,547 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:06:42,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:42,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1872481852, now seen corresponding path program 1 times [2021-12-22 16:06:42,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:42,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753201708] [2021-12-22 16:06:42,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:42,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:42,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:42,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:06:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:42,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:42,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:42,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:06:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:42,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:06:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:42,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:06:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:42,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:42,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:06:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:42,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:06:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:42,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:06:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:42,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:06:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:42,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:06:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:42,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:06:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:42,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:06:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:42,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:06:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:06:42,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:42,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753201708] [2021-12-22 16:06:42,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753201708] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:42,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:42,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:06:42,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974069623] [2021-12-22 16:06:42,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:42,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:06:42,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:42,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:06:42,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:06:42,784 INFO L87 Difference]: Start difference. First operand 1084 states and 1418 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 16:06:44,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:44,322 INFO L93 Difference]: Finished difference Result 1084 states and 1418 transitions. [2021-12-22 16:06:44,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:06:44,323 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2021-12-22 16:06:44,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:44,328 INFO L225 Difference]: With dead ends: 1084 [2021-12-22 16:06:44,329 INFO L226 Difference]: Without dead ends: 1082 [2021-12-22 16:06:44,330 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 [2021-12-22 16:06:44,330 INFO L933 BasicCegarLoop]: 1354 mSDtfsCounter, 1781 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1983 SdHoareTripleChecker+Valid, 3340 SdHoareTripleChecker+Invalid, 1716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:44,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1983 Valid, 3340 Invalid, 1716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-22 16:06:44,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2021-12-22 16:06:44,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 1082. [2021-12-22 16:06:44,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 700 states have (on average 1.2285714285714286) internal successors, (860), 737 states have internal predecessors, (860), 279 states have call successors, (279), 82 states have call predecessors, (279), 81 states have return successors, (277), 272 states have call predecessors, (277), 277 states have call successors, (277) [2021-12-22 16:06:44,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1416 transitions. [2021-12-22 16:06:44,381 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1416 transitions. Word has length 107 [2021-12-22 16:06:44,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:44,381 INFO L470 AbstractCegarLoop]: Abstraction has 1082 states and 1416 transitions. [2021-12-22 16:06:44,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 16:06:44,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1416 transitions. [2021-12-22 16:06:44,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-22 16:06:44,386 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:44,386 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:44,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 16:06:44,387 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:06:44,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:44,388 INFO L85 PathProgramCache]: Analyzing trace with hash 223171500, now seen corresponding path program 1 times [2021-12-22 16:06:44,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:44,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537658995] [2021-12-22 16:06:44,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:44,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:44,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:44,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:06:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:44,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:44,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:44,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:06:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:44,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:06:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:44,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:06:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:44,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:44,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:06:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:44,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:06:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:44,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:06:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:44,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:06:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:44,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:06:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:44,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:06:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:44,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:06:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:44,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:06:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:44,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:06:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:44,624 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:06:44,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:44,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537658995] [2021-12-22 16:06:44,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537658995] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:44,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:44,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:06:44,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131700977] [2021-12-22 16:06:44,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:44,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:06:44,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:44,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:06:44,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:06:44,626 INFO L87 Difference]: Start difference. First operand 1082 states and 1416 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-22 16:06:46,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:46,274 INFO L93 Difference]: Finished difference Result 1082 states and 1416 transitions. [2021-12-22 16:06:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:06:46,275 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 113 [2021-12-22 16:06:46,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:46,280 INFO L225 Difference]: With dead ends: 1082 [2021-12-22 16:06:46,280 INFO L226 Difference]: Without dead ends: 1080 [2021-12-22 16:06:46,281 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 [2021-12-22 16:06:46,282 INFO L933 BasicCegarLoop]: 1352 mSDtfsCounter, 1779 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1980 SdHoareTripleChecker+Valid, 3338 SdHoareTripleChecker+Invalid, 1710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:46,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1980 Valid, 3338 Invalid, 1710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-22 16:06:46,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2021-12-22 16:06:46,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 1080. [2021-12-22 16:06:46,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1080 states, 699 states have (on average 1.2274678111587982) internal successors, (858), 735 states have internal predecessors, (858), 279 states have call successors, (279), 82 states have call predecessors, (279), 81 states have return successors, (277), 272 states have call predecessors, (277), 277 states have call successors, (277) [2021-12-22 16:06:46,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1414 transitions. [2021-12-22 16:06:46,326 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1414 transitions. Word has length 113 [2021-12-22 16:06:46,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:46,326 INFO L470 AbstractCegarLoop]: Abstraction has 1080 states and 1414 transitions. [2021-12-22 16:06:46,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-22 16:06:46,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1414 transitions. [2021-12-22 16:06:46,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-22 16:06:46,328 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:46,328 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:46,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-22 16:06:46,328 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:06:46,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:46,329 INFO L85 PathProgramCache]: Analyzing trace with hash -280421617, now seen corresponding path program 1 times [2021-12-22 16:06:46,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:46,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160041720] [2021-12-22 16:06:46,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:46,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:06:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:06:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:06:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:06:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:06:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:06:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:06:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:06:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:06:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:06:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:06:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:06:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:06:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,560 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:06:46,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:46,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160041720] [2021-12-22 16:06:46,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160041720] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:46,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:46,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:06:46,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588454838] [2021-12-22 16:06:46,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:46,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:06:46,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:46,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:06:46,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:06:46,563 INFO L87 Difference]: Start difference. First operand 1080 states and 1414 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) [2021-12-22 16:06:48,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:48,138 INFO L93 Difference]: Finished difference Result 1080 states and 1414 transitions. [2021-12-22 16:06:48,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:06:48,139 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 115 [2021-12-22 16:06:48,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:48,144 INFO L225 Difference]: With dead ends: 1080 [2021-12-22 16:06:48,144 INFO L226 Difference]: Without dead ends: 1078 [2021-12-22 16:06:48,145 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 [2021-12-22 16:06:48,147 INFO L933 BasicCegarLoop]: 1350 mSDtfsCounter, 1767 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1968 SdHoareTripleChecker+Valid, 3336 SdHoareTripleChecker+Invalid, 1712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:48,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1968 Valid, 3336 Invalid, 1712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-22 16:06:48,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2021-12-22 16:06:48,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1078. [2021-12-22 16:06:48,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 698 states have (on average 1.2263610315186246) internal successors, (856), 733 states have internal predecessors, (856), 279 states have call successors, (279), 82 states have call predecessors, (279), 81 states have return successors, (277), 272 states have call predecessors, (277), 277 states have call successors, (277) [2021-12-22 16:06:48,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1412 transitions. [2021-12-22 16:06:48,207 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1412 transitions. Word has length 115 [2021-12-22 16:06:48,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:48,208 INFO L470 AbstractCegarLoop]: Abstraction has 1078 states and 1412 transitions. [2021-12-22 16:06:48,208 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) [2021-12-22 16:06:48,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1412 transitions. [2021-12-22 16:06:48,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-12-22 16:06:48,210 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:48,210 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:48,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-22 16:06:48,211 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:06:48,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:48,211 INFO L85 PathProgramCache]: Analyzing trace with hash -558610758, now seen corresponding path program 1 times [2021-12-22 16:06:48,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:48,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913147441] [2021-12-22 16:06:48,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:48,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:06:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:06:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:06:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:06:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:06:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:06:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 16:06:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-22 16:06:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:06:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:06:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 16:06:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:06:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:06:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 16:06:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:06:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:06:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 16:06:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-22 16:06:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:48,538 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-12-22 16:06:48,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:48,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913147441] [2021-12-22 16:06:48,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913147441] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:48,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:48,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 16:06:48,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238951285] [2021-12-22 16:06:48,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:48,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 16:06:48,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:48,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 16:06:48,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-22 16:06:48,541 INFO L87 Difference]: Start difference. First operand 1078 states and 1412 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-22 16:06:51,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:51,175 INFO L93 Difference]: Finished difference Result 1259 states and 1608 transitions. [2021-12-22 16:06:51,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-22 16:06:51,175 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2021-12-22 16:06:51,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:51,182 INFO L225 Difference]: With dead ends: 1259 [2021-12-22 16:06:51,183 INFO L226 Difference]: Without dead ends: 1257 [2021-12-22 16:06:51,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2021-12-22 16:06:51,184 INFO L933 BasicCegarLoop]: 1438 mSDtfsCounter, 2131 mSDsluCounter, 3669 mSDsCounter, 0 mSdLazyCounter, 1998 mSolverCounterSat, 1242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2316 SdHoareTripleChecker+Valid, 5107 SdHoareTripleChecker+Invalid, 3240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1242 IncrementalHoareTripleChecker+Valid, 1998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:51,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2316 Valid, 5107 Invalid, 3240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1242 Valid, 1998 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-22 16:06:51,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2021-12-22 16:06:51,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1225. [2021-12-22 16:06:51,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 793 states have (on average 1.21437578814628) internal successors, (963), 828 states have internal predecessors, (963), 304 states have call successors, (304), 109 states have call predecessors, (304), 108 states have return successors, (302), 297 states have call predecessors, (302), 302 states have call successors, (302) [2021-12-22 16:06:51,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1569 transitions. [2021-12-22 16:06:51,287 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1569 transitions. Word has length 152 [2021-12-22 16:06:51,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:51,288 INFO L470 AbstractCegarLoop]: Abstraction has 1225 states and 1569 transitions. [2021-12-22 16:06:51,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-22 16:06:51,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1569 transitions. [2021-12-22 16:06:51,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-22 16:06:51,290 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:51,290 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:51,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-22 16:06:51,291 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:06:51,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:51,291 INFO L85 PathProgramCache]: Analyzing trace with hash -927564128, now seen corresponding path program 1 times [2021-12-22 16:06:51,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:51,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609382567] [2021-12-22 16:06:51,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:51,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:06:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:06:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:06:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:06:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:06:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:06:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:06:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:06:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:06:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:06:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:06:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:06:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:06:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 16:06:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:51,554 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:06:51,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:51,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609382567] [2021-12-22 16:06:51,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609382567] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:51,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:51,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:06:51,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504621700] [2021-12-22 16:06:51,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:51,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:06:51,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:51,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:06:51,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:06:51,557 INFO L87 Difference]: Start difference. First operand 1225 states and 1569 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (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) [2021-12-22 16:06:52,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:52,970 INFO L93 Difference]: Finished difference Result 1225 states and 1569 transitions. [2021-12-22 16:06:52,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:06:52,971 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (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 [2021-12-22 16:06:52,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:52,977 INFO L225 Difference]: With dead ends: 1225 [2021-12-22 16:06:52,977 INFO L226 Difference]: Without dead ends: 1223 [2021-12-22 16:06:52,978 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 [2021-12-22 16:06:52,978 INFO L933 BasicCegarLoop]: 1348 mSDtfsCounter, 1763 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1963 SdHoareTripleChecker+Valid, 3334 SdHoareTripleChecker+Invalid, 1710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:52,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1963 Valid, 3334 Invalid, 1710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-22 16:06:52,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2021-12-22 16:06:53,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1223. [2021-12-22 16:06:53,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 792 states have (on average 1.2133838383838385) internal successors, (961), 826 states have internal predecessors, (961), 304 states have call successors, (304), 109 states have call predecessors, (304), 108 states have return successors, (302), 297 states have call predecessors, (302), 302 states have call successors, (302) [2021-12-22 16:06:53,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1567 transitions. [2021-12-22 16:06:53,036 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1567 transitions. Word has length 121 [2021-12-22 16:06:53,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:53,037 INFO L470 AbstractCegarLoop]: Abstraction has 1223 states and 1567 transitions. [2021-12-22 16:06:53,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (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) [2021-12-22 16:06:53,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1567 transitions. [2021-12-22 16:06:53,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-22 16:06:53,039 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:53,039 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:53,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-22 16:06:53,039 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:06:53,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:53,040 INFO L85 PathProgramCache]: Analyzing trace with hash -2011994448, now seen corresponding path program 1 times [2021-12-22 16:06:53,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:53,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507634218] [2021-12-22 16:06:53,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:53,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:06:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-22 16:06:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:06:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:06:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 16:06:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:06:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:06:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 16:06:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:06:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:06:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 16:06:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:06:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:06:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 16:06:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:06:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:06:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 16:06:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 16:06:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-22 16:06:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-22 16:06:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,386 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-22 16:06:53,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:53,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507634218] [2021-12-22 16:06:53,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507634218] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:53,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:53,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 16:06:53,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265156449] [2021-12-22 16:06:53,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:53,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 16:06:53,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:53,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 16:06:53,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-22 16:06:53,389 INFO L87 Difference]: Start difference. First operand 1223 states and 1567 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 16:06:55,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:55,734 INFO L93 Difference]: Finished difference Result 2430 states and 3121 transitions. [2021-12-22 16:06:55,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-22 16:06:55,735 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 168 [2021-12-22 16:06:55,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:55,741 INFO L225 Difference]: With dead ends: 2430 [2021-12-22 16:06:55,741 INFO L226 Difference]: Without dead ends: 1247 [2021-12-22 16:06:55,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-12-22 16:06:55,745 INFO L933 BasicCegarLoop]: 1342 mSDtfsCounter, 2114 mSDsluCounter, 3987 mSDsCounter, 0 mSdLazyCounter, 2525 mSolverCounterSat, 1157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2327 SdHoareTripleChecker+Valid, 5329 SdHoareTripleChecker+Invalid, 3682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1157 IncrementalHoareTripleChecker+Valid, 2525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:55,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2327 Valid, 5329 Invalid, 3682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1157 Valid, 2525 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-22 16:06:55,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2021-12-22 16:06:55,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 1223. [2021-12-22 16:06:55,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 792 states have (on average 1.2108585858585859) internal successors, (959), 826 states have internal predecessors, (959), 304 states have call successors, (304), 109 states have call predecessors, (304), 108 states have return successors, (302), 297 states have call predecessors, (302), 302 states have call successors, (302) [2021-12-22 16:06:55,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1565 transitions. [2021-12-22 16:06:55,806 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1565 transitions. Word has length 168 [2021-12-22 16:06:55,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:55,806 INFO L470 AbstractCegarLoop]: Abstraction has 1223 states and 1565 transitions. [2021-12-22 16:06:55,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 16:06:55,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1565 transitions. [2021-12-22 16:06:55,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-22 16:06:55,809 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:55,809 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:55,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-22 16:06:55,809 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:06:55,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:55,810 INFO L85 PathProgramCache]: Analyzing trace with hash -2011934866, now seen corresponding path program 1 times [2021-12-22 16:06:55,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:55,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237930429] [2021-12-22 16:06:55,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:55,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:55,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:55,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:06:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:55,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:55,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:55,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-22 16:06:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:55,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:06:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:55,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:06:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 16:06:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:06:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:06:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 16:06:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:06:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:06:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 16:06:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:06:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:06:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 16:06:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:06:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:06:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 16:06:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 16:06:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-22 16:06:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-22 16:06:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,152 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-22 16:06:56,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:56,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237930429] [2021-12-22 16:06:56,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237930429] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:56,152 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:56,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 16:06:56,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675197450] [2021-12-22 16:06:56,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:56,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 16:06:56,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:56,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 16:06:56,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-22 16:06:56,154 INFO L87 Difference]: Start difference. First operand 1223 states and 1565 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2021-12-22 16:06:58,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:58,061 INFO L93 Difference]: Finished difference Result 1247 states and 1598 transitions. [2021-12-22 16:06:58,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 16:06:58,062 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 168 [2021-12-22 16:06:58,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:58,069 INFO L225 Difference]: With dead ends: 1247 [2021-12-22 16:06:58,069 INFO L226 Difference]: Without dead ends: 1245 [2021-12-22 16:06:58,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-12-22 16:06:58,071 INFO L933 BasicCegarLoop]: 1341 mSDtfsCounter, 1058 mSDsluCounter, 3491 mSDsCounter, 0 mSdLazyCounter, 1605 mSolverCounterSat, 1022 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 4832 SdHoareTripleChecker+Invalid, 2627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1022 IncrementalHoareTripleChecker+Valid, 1605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:58,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1058 Valid, 4832 Invalid, 2627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1022 Valid, 1605 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-22 16:06:58,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2021-12-22 16:06:58,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1221. [2021-12-22 16:06:58,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 791 states have (on average 1.2085967130214919) internal successors, (956), 824 states have internal predecessors, (956), 304 states have call successors, (304), 109 states have call predecessors, (304), 108 states have return successors, (302), 297 states have call predecessors, (302), 302 states have call successors, (302) [2021-12-22 16:06:58,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1562 transitions. [2021-12-22 16:06:58,133 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1562 transitions. Word has length 168 [2021-12-22 16:06:58,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:58,133 INFO L470 AbstractCegarLoop]: Abstraction has 1221 states and 1562 transitions. [2021-12-22 16:06:58,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2021-12-22 16:06:58,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1562 transitions. [2021-12-22 16:06:58,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-22 16:06:58,135 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:58,135 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:58,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-22 16:06:58,136 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:06:58,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:58,136 INFO L85 PathProgramCache]: Analyzing trace with hash 580402103, now seen corresponding path program 1 times [2021-12-22 16:06:58,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:58,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691237842] [2021-12-22 16:06:58,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:58,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:06:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:06:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:06:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:06:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:06:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:06:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:06:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:06:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:06:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:06:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:06:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:06:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:06:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 16:06:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 16:06:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,359 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:06:58,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:58,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691237842] [2021-12-22 16:06:58,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691237842] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:58,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:58,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:06:58,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205961689] [2021-12-22 16:06:58,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:58,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:06:58,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:58,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:06:58,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:06:58,362 INFO L87 Difference]: Start difference. First operand 1221 states and 1562 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-22 16:06:59,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:59,754 INFO L93 Difference]: Finished difference Result 1221 states and 1562 transitions. [2021-12-22 16:06:59,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:06:59,755 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 127 [2021-12-22 16:06:59,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:59,765 INFO L225 Difference]: With dead ends: 1221 [2021-12-22 16:06:59,765 INFO L226 Difference]: Without dead ends: 1219 [2021-12-22 16:06:59,766 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 [2021-12-22 16:06:59,767 INFO L933 BasicCegarLoop]: 1343 mSDtfsCounter, 1748 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1947 SdHoareTripleChecker+Valid, 3329 SdHoareTripleChecker+Invalid, 1705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:59,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1947 Valid, 3329 Invalid, 1705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-22 16:06:59,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2021-12-22 16:06:59,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1219. [2021-12-22 16:06:59,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 790 states have (on average 1.2075949367088608) internal successors, (954), 822 states have internal predecessors, (954), 304 states have call successors, (304), 109 states have call predecessors, (304), 108 states have return successors, (302), 297 states have call predecessors, (302), 302 states have call successors, (302) [2021-12-22 16:06:59,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1560 transitions. [2021-12-22 16:06:59,854 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1560 transitions. Word has length 127 [2021-12-22 16:06:59,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:59,855 INFO L470 AbstractCegarLoop]: Abstraction has 1219 states and 1560 transitions. [2021-12-22 16:06:59,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-22 16:06:59,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1560 transitions. [2021-12-22 16:06:59,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-12-22 16:06:59,857 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:59,857 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:59,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-22 16:06:59,858 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:06:59,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:59,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1398525959, now seen corresponding path program 1 times [2021-12-22 16:06:59,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:59,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11030752] [2021-12-22 16:06:59,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:59,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:59,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:59,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:06:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:59,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:59,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-22 16:07:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:07:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:07:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 16:07:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:07:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:07:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 16:07:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:07:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:07:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 16:07:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:07:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:07:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 16:07:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:07:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:07:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 16:07:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 16:07:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-22 16:07:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 16:07:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:00,137 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-22 16:07:00,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:07:00,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11030752] [2021-12-22 16:07:00,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11030752] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:07:00,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:07:00,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:07:00,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867966620] [2021-12-22 16:07:00,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:07:00,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:07:00,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:07:00,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:07:00,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:07:00,140 INFO L87 Difference]: Start difference. First operand 1219 states and 1560 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-22 16:07:01,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:07:01,534 INFO L93 Difference]: Finished difference Result 2416 states and 3100 transitions. [2021-12-22 16:07:01,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:07:01,534 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 175 [2021-12-22 16:07:01,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:07:01,540 INFO L225 Difference]: With dead ends: 2416 [2021-12-22 16:07:01,540 INFO L226 Difference]: Without dead ends: 1237 [2021-12-22 16:07:01,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:07:01,545 INFO L933 BasicCegarLoop]: 1335 mSDtfsCounter, 2075 mSDsluCounter, 1501 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 1152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2288 SdHoareTripleChecker+Valid, 2836 SdHoareTripleChecker+Invalid, 1933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1152 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-22 16:07:01,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2288 Valid, 2836 Invalid, 1933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1152 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-22 16:07:01,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2021-12-22 16:07:01,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1213. [2021-12-22 16:07:01,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1213 states, 785 states have (on average 1.2038216560509554) internal successors, (945), 816 states have internal predecessors, (945), 304 states have call successors, (304), 109 states have call predecessors, (304), 108 states have return successors, (302), 297 states have call predecessors, (302), 302 states have call successors, (302) [2021-12-22 16:07:01,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1551 transitions. [2021-12-22 16:07:01,642 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1551 transitions. Word has length 175 [2021-12-22 16:07:01,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:07:01,643 INFO L470 AbstractCegarLoop]: Abstraction has 1213 states and 1551 transitions. [2021-12-22 16:07:01,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-22 16:07:01,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1551 transitions. [2021-12-22 16:07:01,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-22 16:07:01,645 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:07:01,645 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:07:01,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-22 16:07:01,645 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:07:01,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:07:01,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1629950819, now seen corresponding path program 1 times [2021-12-22 16:07:01,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:07:01,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960438432] [2021-12-22 16:07:01,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:07:01,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:07:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:07:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:07:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:07:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:07:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:07:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:07:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:07:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:07:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:07:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:07:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:07:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:07:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:07:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:07:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:07:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:07:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 16:07:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 16:07:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-22 16:07:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,849 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:07:01,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:07:01,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960438432] [2021-12-22 16:07:01,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960438432] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:07:01,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:07:01,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:07:01,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256318781] [2021-12-22 16:07:01,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:07:01,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:07:01,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:07:01,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:07:01,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:07:01,854 INFO L87 Difference]: Start difference. First operand 1213 states and 1551 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-22 16:07:03,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:07:03,319 INFO L93 Difference]: Finished difference Result 1213 states and 1551 transitions. [2021-12-22 16:07:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:07:03,320 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 133 [2021-12-22 16:07:03,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:07:03,324 INFO L225 Difference]: With dead ends: 1213 [2021-12-22 16:07:03,324 INFO L226 Difference]: Without dead ends: 1211 [2021-12-22 16:07:03,325 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 [2021-12-22 16:07:03,325 INFO L933 BasicCegarLoop]: 1336 mSDtfsCounter, 1727 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1925 SdHoareTripleChecker+Valid, 3322 SdHoareTripleChecker+Invalid, 1698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-22 16:07:03,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1925 Valid, 3322 Invalid, 1698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-22 16:07:03,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2021-12-22 16:07:03,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1211. [2021-12-22 16:07:03,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 784 states have (on average 1.2028061224489797) internal successors, (943), 814 states have internal predecessors, (943), 304 states have call successors, (304), 109 states have call predecessors, (304), 108 states have return successors, (302), 297 states have call predecessors, (302), 302 states have call successors, (302) [2021-12-22 16:07:03,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1549 transitions. [2021-12-22 16:07:03,385 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1549 transitions. Word has length 133 [2021-12-22 16:07:03,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:07:03,386 INFO L470 AbstractCegarLoop]: Abstraction has 1211 states and 1549 transitions. [2021-12-22 16:07:03,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-22 16:07:03,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1549 transitions. [2021-12-22 16:07:03,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-12-22 16:07:03,388 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:07:03,388 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:07:03,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-22 16:07:03,389 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:07:03,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:07:03,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1041085785, now seen corresponding path program 1 times [2021-12-22 16:07:03,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:07:03,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508311958] [2021-12-22 16:07:03,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:07:03,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:07:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:07:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:07:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:07:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:07:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:07:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:07:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:07:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:07:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:07:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:07:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:07:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:07:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:07:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:07:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:07:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:07:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 16:07:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 16:07:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-22 16:07:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-22 16:07:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:03,602 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:07:03,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:07:03,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508311958] [2021-12-22 16:07:03,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508311958] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:07:03,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:07:03,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:07:03,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094533501] [2021-12-22 16:07:03,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:07:03,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:07:03,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:07:03,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:07:03,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:07:03,605 INFO L87 Difference]: Start difference. First operand 1211 states and 1549 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-22 16:07:05,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:07:05,019 INFO L93 Difference]: Finished difference Result 1211 states and 1549 transitions. [2021-12-22 16:07:05,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:07:05,020 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2021-12-22 16:07:05,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:07:05,024 INFO L225 Difference]: With dead ends: 1211 [2021-12-22 16:07:05,025 INFO L226 Difference]: Without dead ends: 1209 [2021-12-22 16:07:05,025 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:07:05,026 INFO L933 BasicCegarLoop]: 1334 mSDtfsCounter, 1721 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1918 SdHoareTripleChecker+Valid, 3320 SdHoareTripleChecker+Invalid, 1696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-22 16:07:05,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1918 Valid, 3320 Invalid, 1696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-22 16:07:05,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2021-12-22 16:07:05,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1209. [2021-12-22 16:07:05,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 783 states have (on average 1.2017879948914432) internal successors, (941), 812 states have internal predecessors, (941), 304 states have call successors, (304), 109 states have call predecessors, (304), 108 states have return successors, (302), 297 states have call predecessors, (302), 302 states have call successors, (302) [2021-12-22 16:07:05,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1547 transitions. [2021-12-22 16:07:05,091 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1547 transitions. Word has length 139 [2021-12-22 16:07:05,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:07:05,092 INFO L470 AbstractCegarLoop]: Abstraction has 1209 states and 1547 transitions. [2021-12-22 16:07:05,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-22 16:07:05,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1547 transitions. [2021-12-22 16:07:05,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-12-22 16:07:05,094 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:07:05,094 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:07:05,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-22 16:07:05,095 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:07:05,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:07:05,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1401231752, now seen corresponding path program 1 times [2021-12-22 16:07:05,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:07:05,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142870962] [2021-12-22 16:07:05,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:07:05,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:07:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:07:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:07:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:07:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:07:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:07:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:07:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:07:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:07:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:07:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 16:07:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-22 16:07:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:07:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:07:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 16:07:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:07:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:07:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 16:07:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:07:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:07:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 16:07:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-22 16:07:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 16:07:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 16:07:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,438 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-22 16:07:05,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:07:05,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142870962] [2021-12-22 16:07:05,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142870962] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:07:05,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:07:05,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 16:07:05,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692036892] [2021-12-22 16:07:05,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:07:05,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 16:07:05,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:07:05,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 16:07:05,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-22 16:07:05,440 INFO L87 Difference]: Start difference. First operand 1209 states and 1547 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-22 16:07:08,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:07:08,043 INFO L93 Difference]: Finished difference Result 1243 states and 1587 transitions. [2021-12-22 16:07:08,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-22 16:07:08,043 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 177 [2021-12-22 16:07:08,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:07:08,048 INFO L225 Difference]: With dead ends: 1243 [2021-12-22 16:07:08,048 INFO L226 Difference]: Without dead ends: 1241 [2021-12-22 16:07:08,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 60 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2021-12-22 16:07:08,049 INFO L933 BasicCegarLoop]: 1343 mSDtfsCounter, 1866 mSDsluCounter, 4583 mSDsCounter, 0 mSdLazyCounter, 2658 mSolverCounterSat, 1616 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1884 SdHoareTripleChecker+Valid, 5926 SdHoareTripleChecker+Invalid, 4274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1616 IncrementalHoareTripleChecker+Valid, 2658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-22 16:07:08,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1884 Valid, 5926 Invalid, 4274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1616 Valid, 2658 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-22 16:07:08,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2021-12-22 16:07:08,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1213. [2021-12-22 16:07:08,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1213 states, 786 states have (on average 1.2010178117048347) internal successors, (944), 815 states have internal predecessors, (944), 304 states have call successors, (304), 110 states have call predecessors, (304), 109 states have return successors, (302), 297 states have call predecessors, (302), 302 states have call successors, (302) [2021-12-22 16:07:08,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1550 transitions. [2021-12-22 16:07:08,112 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1550 transitions. Word has length 177 [2021-12-22 16:07:08,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:07:08,112 INFO L470 AbstractCegarLoop]: Abstraction has 1213 states and 1550 transitions. [2021-12-22 16:07:08,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-22 16:07:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1550 transitions. [2021-12-22 16:07:08,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-12-22 16:07:08,115 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:07:08,115 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-22 16:07:08,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-22 16:07:08,115 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:07:08,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:07:08,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1594030973, now seen corresponding path program 1 times [2021-12-22 16:07:08,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:07:08,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130624328] [2021-12-22 16:07:08,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:07:08,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:07:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:07:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:07:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:07:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:07:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:07:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:07:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:07:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:07:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:07:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 16:07:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-22 16:07:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:07:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:07:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 16:07:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:07:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:07:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 16:07:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:07:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:07:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 16:07:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-22 16:07:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 16:07:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 16:07:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,442 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-22 16:07:08,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:07:08,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130624328] [2021-12-22 16:07:08,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130624328] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:07:08,442 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:07:08,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-22 16:07:08,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710035101] [2021-12-22 16:07:08,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:07:08,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-22 16:07:08,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:07:08,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-22 16:07:08,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:07:08,445 INFO L87 Difference]: Start difference. First operand 1213 states and 1550 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-12-22 16:07:11,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:07:11,763 INFO L93 Difference]: Finished difference Result 2521 states and 3295 transitions. [2021-12-22 16:07:11,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-22 16:07:11,763 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 177 [2021-12-22 16:07:11,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:07:11,769 INFO L225 Difference]: With dead ends: 2521 [2021-12-22 16:07:11,769 INFO L226 Difference]: Without dead ends: 1590 [2021-12-22 16:07:11,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2021-12-22 16:07:11,771 INFO L933 BasicCegarLoop]: 1494 mSDtfsCounter, 1979 mSDsluCounter, 6425 mSDsCounter, 0 mSdLazyCounter, 3129 mSolverCounterSat, 2024 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1980 SdHoareTripleChecker+Valid, 7919 SdHoareTripleChecker+Invalid, 5153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2024 IncrementalHoareTripleChecker+Valid, 3129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-22 16:07:11,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1980 Valid, 7919 Invalid, 5153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2024 Valid, 3129 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-22 16:07:11,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2021-12-22 16:07:11,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1218. [2021-12-22 16:07:11,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 790 states have (on average 1.2) internal successors, (948), 819 states have internal predecessors, (948), 304 states have call successors, (304), 110 states have call predecessors, (304), 110 states have return successors, (303), 298 states have call predecessors, (303), 302 states have call successors, (303) [2021-12-22 16:07:11,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1555 transitions. [2021-12-22 16:07:11,847 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1555 transitions. Word has length 177 [2021-12-22 16:07:11,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:07:11,847 INFO L470 AbstractCegarLoop]: Abstraction has 1218 states and 1555 transitions. [2021-12-22 16:07:11,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-12-22 16:07:11,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1555 transitions. [2021-12-22 16:07:11,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-22 16:07:11,849 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:07:11,850 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:07:11,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-22 16:07:11,850 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:07:11,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:07:11,850 INFO L85 PathProgramCache]: Analyzing trace with hash -973270628, now seen corresponding path program 1 times [2021-12-22 16:07:11,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:07:11,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893220620] [2021-12-22 16:07:11,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:07:11,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:07:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:11,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:07:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:11,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:07:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:11,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:07:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:11,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:07:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:11,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:07:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:11,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:07:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:11,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:07:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:11,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:11,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:07:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:11,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:07:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:11,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:07:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:11,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:07:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:12,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:07:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:12,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:07:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:12,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:07:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:12,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:07:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:12,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:07:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:12,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 16:07:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:12,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 16:07:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:12,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-22 16:07:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:12,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-22 16:07:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 16:07:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:07:12,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:07:12,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893220620] [2021-12-22 16:07:12,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893220620] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:07:12,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:07:12,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:07:12,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536970639] [2021-12-22 16:07:12,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:07:12,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:07:12,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:07:12,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:07:12,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:07:12,061 INFO L87 Difference]: Start difference. First operand 1218 states and 1555 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)