./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.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 32f9916f7f9134b7b5b1f7f2f6a1f8d1a864f890408a96f53f3c67d79fc8ddd5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 11:54:45,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 11:54:45,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 11:54:45,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 11:54:45,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 11:54:45,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 11:54:45,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 11:54:45,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 11:54:45,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 11:54:45,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 11:54:45,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 11:54:45,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 11:54:45,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 11:54:45,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 11:54:45,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 11:54:45,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 11:54:45,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 11:54:45,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 11:54:45,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 11:54:45,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 11:54:45,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 11:54:45,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 11:54:45,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 11:54:45,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 11:54:45,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 11:54:45,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 11:54:45,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 11:54:45,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 11:54:45,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 11:54:45,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 11:54:45,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 11:54:45,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 11:54:45,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 11:54:45,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 11:54:45,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 11:54:45,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 11:54:45,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 11:54:45,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 11:54:45,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 11:54:45,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 11:54:45,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 11:54:45,410 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 11:54:45,436 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 11:54:45,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 11:54:45,436 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 11:54:45,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 11:54:45,437 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 11:54:45,437 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 11:54:45,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 11:54:45,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 11:54:45,438 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 11:54:45,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 11:54:45,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 11:54:45,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 11:54:45,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 11:54:45,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 11:54:45,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 11:54:45,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 11:54:45,440 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 11:54:45,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 11:54:45,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 11:54:45,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 11:54:45,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 11:54:45,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 11:54:45,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 11:54:45,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 11:54:45,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 11:54:45,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 11:54:45,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 11:54:45,443 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 11:54:45,443 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 11:54:45,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 11:54:45,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 11:54:45,443 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32f9916f7f9134b7b5b1f7f2f6a1f8d1a864f890408a96f53f3c67d79fc8ddd5 [2021-11-17 11:54:45,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 11:54:45,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 11:54:45,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 11:54:45,655 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 11:54:45,656 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 11:54:45,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i [2021-11-17 11:54:45,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afa025969/8fb9ea68bb8f4ad8a13d43923637fac5/FLAG64d21eb95 [2021-11-17 11:54:46,545 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 11:54:46,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i [2021-11-17 11:54:46,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afa025969/8fb9ea68bb8f4ad8a13d43923637fac5/FLAG64d21eb95 [2021-11-17 11:54:46,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afa025969/8fb9ea68bb8f4ad8a13d43923637fac5 [2021-11-17 11:54:46,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 11:54:46,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 11:54:46,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 11:54:46,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 11:54:46,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 11:54:46,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:54:46" (1/1) ... [2021-11-17 11:54:46,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15cac1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:54:46, skipping insertion in model container [2021-11-17 11:54:46,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:54:46" (1/1) ... [2021-11-17 11:54:46,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 11:54:46,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 11:54:57,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i[837360,837373] [2021-11-17 11:54:57,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i[837529,837542] [2021-11-17 11:54:57,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i[837696,837709] [2021-11-17 11:54:57,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i[837864,837877] [2021-11-17 11:54:57,604 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 11:54:57,684 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 11:54:58,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i[837360,837373] [2021-11-17 11:54:58,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i[837529,837542] [2021-11-17 11:54:58,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i[837696,837709] [2021-11-17 11:54:58,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i[837864,837877] [2021-11-17 11:54:58,216 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 11:54:58,646 INFO L208 MainTranslator]: Completed translation [2021-11-17 11:54:58,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:54:58 WrapperNode [2021-11-17 11:54:58,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 11:54:58,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 11:54:58,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 11:54:58,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 11:54:58,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:54:58" (1/1) ... [2021-11-17 11:54:58,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:54:58" (1/1) ... [2021-11-17 11:54:59,390 INFO L137 Inliner]: procedures = 969, calls = 9487, calls flagged for inlining = 485, calls inlined = 457, statements flattened = 22181 [2021-11-17 11:54:59,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 11:54:59,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 11:54:59,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 11:54:59,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 11:54:59,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:54:58" (1/1) ... [2021-11-17 11:54:59,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:54:58" (1/1) ... [2021-11-17 11:54:59,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:54:58" (1/1) ... [2021-11-17 11:54:59,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:54:58" (1/1) ... [2021-11-17 11:55:00,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:54:58" (1/1) ... [2021-11-17 11:55:00,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:54:58" (1/1) ... [2021-11-17 11:55:00,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:54:58" (1/1) ... [2021-11-17 11:55:00,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 11:55:00,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 11:55:00,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 11:55:00,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 11:55:00,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:54:58" (1/1) ... [2021-11-17 11:55:00,297 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 11:55:00,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 11:55:00,320 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) [2021-11-17 11:55:00,337 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 [2021-11-17 11:55:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-17 11:55:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-17 11:55:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure be_setup_queues [2021-11-17 11:55:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure be_setup_queues [2021-11-17 11:55:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure be_fw_wait_ready [2021-11-17 11:55:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure be_fw_wait_ready [2021-11-17 11:55:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure be_setup [2021-11-17 11:55:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure be_setup [2021-11-17 11:55:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify_wait [2021-11-17 11:55:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify_wait [2021-11-17 11:55:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure amap_get [2021-11-17 11:55:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_get [2021-11-17 11:55:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-17 11:55:00,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-17 11:55:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 11:55:00,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 11:55:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_q_destroy [2021-11-17 11:55:00,351 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_q_destroy [2021-11-17 11:55:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 11:55:00,351 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 11:55:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 11:55:00,352 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 11:55:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure be_roce_dev_remove [2021-11-17 11:55:00,352 INFO L138 BoogieDeclarations]: Found implementation of procedure be_roce_dev_remove [2021-11-17 11:55:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-17 11:55:00,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-17 11:55:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure be_resume [2021-11-17 11:55:00,352 INFO L138 BoogieDeclarations]: Found implementation of procedure be_resume [2021-11-17 11:55:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-17 11:55:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-17 11:55:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-17 11:55:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-17 11:55:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure events_get [2021-11-17 11:55:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure events_get [2021-11-17 11:55:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure be_lock_napi [2021-11-17 11:55:00,353 INFO L138 BoogieDeclarations]: Found implementation of procedure be_lock_napi [2021-11-17 11:55:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-17 11:55:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure be_insert_vlan_in_pkt [2021-11-17 11:55:00,354 INFO L138 BoogieDeclarations]: Found implementation of procedure be_insert_vlan_in_pkt [2021-11-17 11:55:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure swap_dws [2021-11-17 11:55:00,354 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_dws [2021-11-17 11:55:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_write_object [2021-11-17 11:55:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_write_object [2021-11-17 11:55:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-11-17 11:55:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-11-17 11:55:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2021-11-17 11:55:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2021-11-17 11:55:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 11:55:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 11:55:00,356 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_rxq_create [2021-11-17 11:55:00,356 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_rxq_create [2021-11-17 11:55:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure be_msix_disable [2021-11-17 11:55:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure be_msix_disable [2021-11-17 11:55:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 11:55:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 11:55:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_physdev_ctrl [2021-11-17 11:55:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_physdev_ctrl [2021-11-17 11:55:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2021-11-17 11:55:00,358 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2021-11-17 11:55:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure be_flash_redboot [2021-11-17 11:55:00,358 INFO L138 BoogieDeclarations]: Found implementation of procedure be_flash_redboot [2021-11-17 11:55:00,358 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-17 11:55:00,358 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-17 11:55:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure unmap_tx_frag [2021-11-17 11:55:00,359 INFO L138 BoogieDeclarations]: Found implementation of procedure unmap_tx_frag [2021-11-17 11:55:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure db_bar [2021-11-17 11:55:00,359 INFO L138 BoogieDeclarations]: Found implementation of procedure db_bar [2021-11-17 11:55:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure be_msix_vec_get [2021-11-17 11:55:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure be_msix_vec_get [2021-11-17 11:55:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 11:55:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 11:55:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-17 11:55:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-17 11:55:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2021-11-17 11:55:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2021-11-17 11:55:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_free [2021-11-17 11:55:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_free [2021-11-17 11:55:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-17 11:55:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-17 11:55:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-17 11:55:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-17 11:55:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure qnq_async_evt_rcvd [2021-11-17 11:55:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure qnq_async_evt_rcvd [2021-11-17 11:55:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 11:55:00,362 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 11:55:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_fw_init [2021-11-17 11:55:00,362 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_fw_init [2021-11-17 11:55:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 11:55:00,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 11:55:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure index_inc [2021-11-17 11:55:00,363 INFO L138 BoogieDeclarations]: Found implementation of procedure index_inc [2021-11-17 11:55:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure be_eq_notify [2021-11-17 11:55:00,363 INFO L138 BoogieDeclarations]: Found implementation of procedure be_eq_notify [2021-11-17 11:55:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 11:55:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-17 11:55:00,364 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-17 11:55:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 11:55:00,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 11:55:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure be_unmap_pci_bars [2021-11-17 11:55:00,364 INFO L138 BoogieDeclarations]: Found implementation of procedure be_unmap_pci_bars [2021-11-17 11:55:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-17 11:55:00,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-17 11:55:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 11:55:00,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 11:55:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_profile_config [2021-11-17 11:55:00,365 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_profile_config [2021-11-17 11:55:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 11:55:00,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 11:55:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 11:55:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure be_decode_resp_hdr [2021-11-17 11:55:00,366 INFO L138 BoogieDeclarations]: Found implementation of procedure be_decode_resp_hdr [2021-11-17 11:55:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 11:55:00,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 11:55:00,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 11:55:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 11:55:00,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 11:55:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 11:55:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_inc [2021-11-17 11:55:00,370 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_inc [2021-11-17 11:55:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-17 11:55:00,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-17 11:55:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 11:55:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_allowed [2021-11-17 11:55:00,375 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_allowed [2021-11-17 11:55:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-17 11:55:00,375 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-17 11:55:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure be_intr_set [2021-11-17 11:55:00,375 INFO L138 BoogieDeclarations]: Found implementation of procedure be_intr_set [2021-11-17 11:55:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure be_get_nic_desc [2021-11-17 11:55:00,375 INFO L138 BoogieDeclarations]: Found implementation of procedure be_get_nic_desc [2021-11-17 11:55:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_be_eq_obj [2021-11-17 11:55:00,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_be_eq_obj [2021-11-17 11:55:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure be_tx_compl_get [2021-11-17 11:55:00,376 INFO L138 BoogieDeclarations]: Found implementation of procedure be_tx_compl_get [2021-11-17 11:55:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_if_create [2021-11-17 11:55:00,376 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_if_create [2021-11-17 11:55:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 11:55:00,376 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 11:55:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 11:55:00,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 11:55:00,377 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_if_destroy [2021-11-17 11:55:00,377 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_if_destroy [2021-11-17 11:55:00,377 INFO L130 BoogieDeclarations]: Found specification of procedure be_error [2021-11-17 11:55:00,377 INFO L138 BoogieDeclarations]: Found implementation of procedure be_error [2021-11-17 11:55:00,377 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 11:55:00,377 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 11:55:00,377 INFO L130 BoogieDeclarations]: Found specification of procedure use_mcc [2021-11-17 11:55:00,377 INFO L138 BoogieDeclarations]: Found implementation of procedure use_mcc [2021-11-17 11:55:00,377 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-17 11:55:00,378 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-17 11:55:00,378 INFO L130 BoogieDeclarations]: Found specification of procedure be_copy_nic_desc [2021-11-17 11:55:00,378 INFO L138 BoogieDeclarations]: Found implementation of procedure be_copy_nic_desc [2021-11-17 11:55:00,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 11:55:00,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 11:55:00,378 INFO L130 BoogieDeclarations]: Found specification of procedure be_flash [2021-11-17 11:55:00,378 INFO L138 BoogieDeclarations]: Found implementation of procedure be_flash [2021-11-17 11:55:00,378 INFO L130 BoogieDeclarations]: Found specification of procedure be_vid_config [2021-11-17 11:55:00,379 INFO L138 BoogieDeclarations]: Found implementation of procedure be_vid_config [2021-11-17 11:55:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_mac_addr_query [2021-11-17 11:55:00,379 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_mac_addr_query [2021-11-17 11:55:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 11:55:00,379 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 11:55:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 11:55:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure be_link_status_update [2021-11-17 11:55:00,379 INFO L138 BoogieDeclarations]: Found implementation of procedure be_link_status_update [2021-11-17 11:55:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 11:55:00,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 11:55:00,380 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-17 11:55:00,380 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-17 11:55:00,380 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-17 11:55:00,380 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-17 11:55:00,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 11:55:00,380 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 11:55:00,380 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 11:55:00,380 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_test_and_set_rdy_state [2021-11-17 11:55:00,381 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_test_and_set_rdy_state [2021-11-17 11:55:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_fw_ver [2021-11-17 11:55:00,381 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_fw_ver [2021-11-17 11:55:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 11:55:00,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 11:55:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_flow_control [2021-11-17 11:55:00,381 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_flow_control [2021-11-17 11:55:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 11:55:00,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 11:55:00,382 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_link_status_query [2021-11-17 11:55:00,382 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_link_status_query [2021-11-17 11:55:00,382 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-17 11:55:00,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-17 11:55:00,382 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-17 11:55:00,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-17 11:55:00,382 INFO L130 BoogieDeclarations]: Found specification of procedure be_ipv6_tx_stall_chk [2021-11-17 11:55:00,382 INFO L138 BoogieDeclarations]: Found implementation of procedure be_ipv6_tx_stall_chk [2021-11-17 11:55:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 11:55:00,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 11:55:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_put_tag [2021-11-17 11:55:00,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_put_tag [2021-11-17 11:55:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_rss_config [2021-11-17 11:55:00,383 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_rss_config [2021-11-17 11:55:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_get_file_len [2021-11-17 11:55:00,383 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_get_file_len [2021-11-17 11:55:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-17 11:55:00,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-17 11:55:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-17 11:55:00,384 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-17 11:55:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure be_get_tx_vlan_tag [2021-11-17 11:55:00,384 INFO L138 BoogieDeclarations]: Found implementation of procedure be_get_tx_vlan_tag [2021-11-17 11:55:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 11:55:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 11:55:00,384 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 11:55:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_be_eq_obj [2021-11-17 11:55:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_be_eq_obj [2021-11-17 11:55:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 11:55:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-17 11:55:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-17 11:55:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure be_setup_wol [2021-11-17 11:55:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure be_setup_wol [2021-11-17 11:55:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2021-11-17 11:55:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2021-11-17 11:55:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure be_get_eeprom_len [2021-11-17 11:55:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure be_get_eeprom_len [2021-11-17 11:55:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2021-11-17 11:55:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2021-11-17 11:55:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure be_post_rx_frags [2021-11-17 11:55:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure be_post_rx_frags [2021-11-17 11:55:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-17 11:55:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-17 11:55:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure be_process_rx [2021-11-17 11:55:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure be_process_rx [2021-11-17 11:55:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_pmac_add [2021-11-17 11:55:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_pmac_add [2021-11-17 11:55:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-17 11:55:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-17 11:55:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 11:55:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 11:55:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-17 11:55:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-17 11:55:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure _be_roce_dev_open [2021-11-17 11:55:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure _be_roce_dev_open [2021-11-17 11:55:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-17 11:55:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-17 11:55:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_91 [2021-11-17 11:55:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_91 [2021-11-17 11:55:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-17 11:55:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-17 11:55:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_loopback [2021-11-17 11:55:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_loopback [2021-11-17 11:55:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure be_hw_error [2021-11-17 11:55:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure be_hw_error [2021-11-17 11:55:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-17 11:55:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-17 11:55:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_85 [2021-11-17 11:55:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_85 [2021-11-17 11:55:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_81 [2021-11-17 11:55:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_81 [2021-11-17 11:55:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_mac [2021-11-17 11:55:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_mac [2021-11-17 11:55:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_db_ready_wait [2021-11-17 11:55:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_db_ready_wait [2021-11-17 11:55:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-17 11:55:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-17 11:55:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 11:55:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 11:55:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_ext_fat_capabilites [2021-11-17 11:55:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_ext_fat_capabilites [2021-11-17 11:55:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure be_eeh_resume [2021-11-17 11:55:00,395 INFO L138 BoogieDeclarations]: Found implementation of procedure be_eeh_resume [2021-11-17 11:55:00,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 11:55:00,395 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_set_page [2021-11-17 11:55:00,395 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_set_page [2021-11-17 11:55:00,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 11:55:00,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 11:55:00,395 INFO L130 BoogieDeclarations]: Found specification of procedure be_clear_queues [2021-11-17 11:55:00,395 INFO L138 BoogieDeclarations]: Found implementation of procedure be_clear_queues [2021-11-17 11:55:00,395 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-11-17 11:55:00,396 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-11-17 11:55:00,396 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_wait_ready [2021-11-17 11:55:00,396 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_wait_ready [2021-11-17 11:55:00,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2021-11-17 11:55:00,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2021-11-17 11:55:00,396 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-17 11:55:00,396 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-17 11:55:00,396 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-17 11:55:00,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-17 11:55:00,396 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-17 11:55:00,397 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-17 11:55:00,397 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-17 11:55:00,397 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-17 11:55:00,397 INFO L130 BoogieDeclarations]: Found specification of procedure be_busy_poll [2021-11-17 11:55:00,397 INFO L138 BoogieDeclarations]: Found implementation of procedure be_busy_poll [2021-11-17 11:55:00,397 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 11:55:00,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 11:55:00,397 INFO L130 BoogieDeclarations]: Found specification of procedure amap_mask [2021-11-17 11:55:00,397 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_mask [2021-11-17 11:55:00,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 11:55:00,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 11:55:00,398 INFO L130 BoogieDeclarations]: Found specification of procedure be_encoded_q_len [2021-11-17 11:55:00,398 INFO L138 BoogieDeclarations]: Found implementation of procedure be_encoded_q_len [2021-11-17 11:55:00,398 INFO L130 BoogieDeclarations]: Found specification of procedure __get_unaligned_cpu32 [2021-11-17 11:55:00,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_unaligned_cpu32 [2021-11-17 11:55:00,398 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_reset_function [2021-11-17 11:55:00,398 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_reset_function [2021-11-17 11:55:00,398 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-17 11:55:00,398 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-17 11:55:00,399 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-17 11:55:00,399 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_beacon_state [2021-11-17 11:55:00,399 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_beacon_state [2021-11-17 11:55:00,399 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2021-11-17 11:55:00,399 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2021-11-17 11:55:00,399 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-17 11:55:00,399 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-17 11:55:00,399 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_flow_control [2021-11-17 11:55:00,399 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_flow_control [2021-11-17 11:55:00,400 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_use [2021-11-17 11:55:00,400 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_use [2021-11-17 11:55:00,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 11:55:00,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 11:55:00,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 11:55:00,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 11:55:00,400 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_hash [2021-11-17 11:55:00,400 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_hash [2021-11-17 11:55:00,400 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-17 11:55:00,400 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-17 11:55:00,401 INFO L130 BoogieDeclarations]: Found specification of procedure pci_num_vf [2021-11-17 11:55:00,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_num_vf [2021-11-17 11:55:00,401 INFO L130 BoogieDeclarations]: Found specification of procedure be_tx_compl_process [2021-11-17 11:55:00,401 INFO L138 BoogieDeclarations]: Found implementation of procedure be_tx_compl_process [2021-11-17 11:55:00,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 11:55:00,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 11:55:00,401 INFO L130 BoogieDeclarations]: Found specification of procedure be_close [2021-11-17 11:55:00,401 INFO L138 BoogieDeclarations]: Found implementation of procedure be_close [2021-11-17 11:55:00,401 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 11:55:00,402 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 11:55:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-17 11:55:00,402 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-17 11:55:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_is_new [2021-11-17 11:55:00,402 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_is_new [2021-11-17 11:55:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure be_roce_unregister_driver [2021-11-17 11:55:00,402 INFO L138 BoogieDeclarations]: Found implementation of procedure be_roce_unregister_driver [2021-11-17 11:55:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_add [2021-11-17 11:55:00,402 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_add [2021-11-17 11:55:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mcc_cq_lock_of_be_adapter [2021-11-17 11:55:00,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mcc_cq_lock_of_be_adapter [2021-11-17 11:55:00,403 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_qos [2021-11-17 11:55:00,403 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_qos [2021-11-17 11:55:00,403 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-11-17 11:55:00,403 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-11-17 11:55:00,403 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 11:55:00,403 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 11:55:00,403 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-17 11:55:00,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-17 11:55:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 11:55:00,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 11:55:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure be_set_rx_mode [2021-11-17 11:55:00,404 INFO L138 BoogieDeclarations]: Found implementation of procedure be_set_rx_mode [2021-11-17 11:55:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-17 11:55:00,404 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-17 11:55:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_page_addrs_prepare [2021-11-17 11:55:00,404 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_page_addrs_prepare [2021-11-17 11:55:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 11:55:00,404 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 11:55:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 11:55:00,405 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 11:55:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 11:55:00,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 11:55:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_notify_wait [2021-11-17 11:55:00,405 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_notify_wait [2021-11-17 11:55:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-17 11:55:00,405 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-17 11:55:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 11:55:00,406 INFO L130 BoogieDeclarations]: Found specification of procedure be_cancel_worker [2021-11-17 11:55:00,406 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cancel_worker [2021-11-17 11:55:00,406 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_read_file [2021-11-17 11:55:00,406 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_read_file [2021-11-17 11:55:00,406 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 11:55:00,406 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 11:55:00,406 INFO L130 BoogieDeclarations]: Found specification of procedure be_ctrl_cleanup [2021-11-17 11:55:00,406 INFO L138 BoogieDeclarations]: Found implementation of procedure be_ctrl_cleanup [2021-11-17 11:55:00,406 INFO L130 BoogieDeclarations]: Found specification of procedure be_cq_notify [2021-11-17 11:55:00,407 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cq_notify [2021-11-17 11:55:00,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 11:55:00,407 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_mac_from_list [2021-11-17 11:55:00,407 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_mac_from_list [2021-11-17 11:55:00,407 INFO L130 BoogieDeclarations]: Found specification of procedure be_shutdown [2021-11-17 11:55:00,407 INFO L138 BoogieDeclarations]: Found implementation of procedure be_shutdown [2021-11-17 11:55:00,407 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 11:55:00,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 11:55:00,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 11:55:00,407 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_fill [2021-11-17 11:55:00,408 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_fill [2021-11-17 11:55:00,408 INFO L130 BoogieDeclarations]: Found specification of procedure be_set_msg_level [2021-11-17 11:55:00,408 INFO L138 BoogieDeclarations]: Found implementation of procedure be_set_msg_level [2021-11-17 11:55:00,408 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 11:55:00,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 11:55:00,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_82 [2021-11-17 11:55:00,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_82 [2021-11-17 11:55:00,408 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_queue_mapping [2021-11-17 11:55:00,408 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_queue_mapping [2021-11-17 11:55:00,408 INFO L130 BoogieDeclarations]: Found specification of procedure be_loopback_test [2021-11-17 11:55:00,409 INFO L138 BoogieDeclarations]: Found implementation of procedure be_loopback_test [2021-11-17 11:55:00,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 11:55:00,409 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 11:55:00,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_86 [2021-11-17 11:55:00,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_86 [2021-11-17 11:55:00,409 INFO L130 BoogieDeclarations]: Found specification of procedure be_open [2021-11-17 11:55:00,409 INFO L138 BoogieDeclarations]: Found implementation of procedure be_open [2021-11-17 11:55:00,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 11:55:00,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 11:55:00,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 11:55:00,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 11:55:00,410 INFO L130 BoogieDeclarations]: Found specification of procedure be_schedule_worker [2021-11-17 11:55:00,410 INFO L138 BoogieDeclarations]: Found implementation of procedure be_schedule_worker [2021-11-17 11:55:00,410 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mccq [2021-11-17 11:55:00,410 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mccq [2021-11-17 11:55:00,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-11-17 11:55:00,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-11-17 11:55:00,410 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-17 11:55:00,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-17 11:55:00,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_92 [2021-11-17 11:55:00,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_92 [2021-11-17 11:55:00,411 INFO L130 BoogieDeclarations]: Found specification of procedure amap_set [2021-11-17 11:55:00,411 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_set [2021-11-17 11:55:00,411 INFO L130 BoogieDeclarations]: Found specification of procedure be_max_qs [2021-11-17 11:55:00,411 INFO L138 BoogieDeclarations]: Found implementation of procedure be_max_qs [2021-11-17 11:55:00,411 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_process [2021-11-17 11:55:00,411 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_process [2021-11-17 11:55:00,411 INFO L130 BoogieDeclarations]: Found specification of procedure embedded_payload [2021-11-17 11:55:00,412 INFO L138 BoogieDeclarations]: Found implementation of procedure embedded_payload [2021-11-17 11:55:00,412 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-17 11:55:00,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-17 11:55:00,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2021-11-17 11:55:00,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2021-11-17 11:55:00,412 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-17 11:55:00,412 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-17 11:55:00,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mcc_cq_lock_of_be_adapter [2021-11-17 11:55:00,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mcc_cq_lock_of_be_adapter [2021-11-17 11:55:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-17 11:55:00,413 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-17 11:55:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 11:55:00,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 11:55:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure be_clear [2021-11-17 11:55:00,413 INFO L138 BoogieDeclarations]: Found implementation of procedure be_clear [2021-11-17 11:55:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure _be_roce_dev_remove [2021-11-17 11:55:00,413 INFO L138 BoogieDeclarations]: Found implementation of procedure _be_roce_dev_remove [2021-11-17 11:55:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure MODULO [2021-11-17 11:55:00,413 INFO L138 BoogieDeclarations]: Found implementation of procedure MODULO [2021-11-17 11:55:00,414 INFO L130 BoogieDeclarations]: Found specification of procedure be_pause_supported [2021-11-17 11:55:00,414 INFO L138 BoogieDeclarations]: Found implementation of procedure be_pause_supported [2021-11-17 11:55:00,414 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-17 11:55:00,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-17 11:55:00,414 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-17 11:55:00,414 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-17 11:55:00,414 INFO L130 BoogieDeclarations]: Found specification of procedure dump_present [2021-11-17 11:55:00,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_present [2021-11-17 11:55:00,414 INFO L130 BoogieDeclarations]: Found specification of procedure convert_to_et_setting [2021-11-17 11:55:00,414 INFO L138 BoogieDeclarations]: Found implementation of procedure convert_to_et_setting [2021-11-17 11:55:00,415 INFO L130 BoogieDeclarations]: Found specification of procedure queue_head_node [2021-11-17 11:55:00,415 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_head_node [2021-11-17 11:55:00,415 INFO L130 BoogieDeclarations]: Found specification of procedure be_flash_BEx [2021-11-17 11:55:00,415 INFO L138 BoogieDeclarations]: Found implementation of procedure be_flash_BEx [2021-11-17 11:55:00,415 INFO L130 BoogieDeclarations]: Found specification of procedure get_fsec_info [2021-11-17 11:55:00,415 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fsec_info [2021-11-17 11:55:00,415 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-11-17 11:55:00,415 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-11-17 11:55:00,415 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-17 11:55:00,416 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-17 11:55:00,416 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-17 11:55:00,416 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-17 11:55:00,416 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_alloc [2021-11-17 11:55:00,416 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_alloc [2021-11-17 11:55:00,416 INFO L130 BoogieDeclarations]: Found specification of procedure nic_name [2021-11-17 11:55:00,416 INFO L138 BoogieDeclarations]: Found implementation of procedure nic_name [2021-11-17 11:55:00,416 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_read_object [2021-11-17 11:55:00,416 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_read_object [2021-11-17 11:55:00,416 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_node [2021-11-17 11:55:00,417 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_node [2021-11-17 11:55:00,417 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_wait_idle [2021-11-17 11:55:00,417 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_wait_idle [2021-11-17 11:55:00,417 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-17 11:55:00,417 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-17 11:55:00,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-17 11:55:00,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-17 11:55:00,417 INFO L130 BoogieDeclarations]: Found specification of procedure be_clear_all_error [2021-11-17 11:55:00,417 INFO L138 BoogieDeclarations]: Found implementation of procedure be_clear_all_error [2021-11-17 11:55:00,418 INFO L130 BoogieDeclarations]: Found specification of procedure check_privilege [2021-11-17 11:55:00,418 INFO L138 BoogieDeclarations]: Found implementation of procedure check_privilege [2021-11-17 11:55:00,418 INFO L130 BoogieDeclarations]: Found specification of procedure rol32 [2021-11-17 11:55:00,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rol32 [2021-11-17 11:55:00,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 11:55:00,418 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify_wait [2021-11-17 11:55:00,418 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify_wait [2021-11-17 11:55:00,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 11:55:00,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 11:55:00,418 INFO L130 BoogieDeclarations]: Found specification of procedure be_rx_compl_get [2021-11-17 11:55:00,419 INFO L138 BoogieDeclarations]: Found implementation of procedure be_rx_compl_get [2021-11-17 11:55:00,419 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-17 11:55:00,419 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-17 11:55:00,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 11:55:00,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 11:55:00,419 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 11:55:00,419 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 11:55:00,419 INFO L130 BoogieDeclarations]: Found specification of procedure queue_head_inc [2021-11-17 11:55:00,419 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_head_inc [2021-11-17 11:55:00,420 INFO L130 BoogieDeclarations]: Found specification of procedure be_msix_enable [2021-11-17 11:55:00,420 INFO L138 BoogieDeclarations]: Found implementation of procedure be_msix_enable [2021-11-17 11:55:00,420 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_fn_privileges [2021-11-17 11:55:00,420 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_fn_privileges [2021-11-17 11:55:00,420 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-17 11:55:00,422 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-17 11:55:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-17 11:55:00,423 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-17 11:55:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-11-17 11:55:00,423 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-11-17 11:55:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-17 11:55:00,423 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-17 11:55:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mark_napi_id [2021-11-17 11:55:00,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mark_napi_id [2021-11-17 11:55:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure be_aic_update [2021-11-17 11:55:00,423 INFO L138 BoogieDeclarations]: Found implementation of procedure be_aic_update [2021-11-17 11:55:00,424 INFO L130 BoogieDeclarations]: Found specification of procedure be_stats_cleanup [2021-11-17 11:55:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure be_stats_cleanup [2021-11-17 11:55:00,424 INFO L130 BoogieDeclarations]: Found specification of procedure be_eq_clean [2021-11-17 11:55:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure be_eq_clean [2021-11-17 11:55:00,424 INFO L130 BoogieDeclarations]: Found specification of procedure be_process_mcc [2021-11-17 11:55:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure be_process_mcc [2021-11-17 11:55:00,424 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_cq_create [2021-11-17 11:55:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_cq_create [2021-11-17 11:55:00,424 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2021-11-17 11:55:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2021-11-17 11:55:00,425 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-17 11:55:00,425 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-17 11:55:00,425 INFO L130 BoogieDeclarations]: Found specification of procedure fill_wrb_tags [2021-11-17 11:55:00,425 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_wrb_tags [2021-11-17 11:55:00,425 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_cnt_for_skb [2021-11-17 11:55:00,425 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_cnt_for_skb [2021-11-17 11:55:00,425 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-17 11:55:00,425 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-17 11:55:00,425 INFO L130 BoogieDeclarations]: Found specification of procedure be_multi_rxq [2021-11-17 11:55:00,426 INFO L138 BoogieDeclarations]: Found implementation of procedure be_multi_rxq [2021-11-17 11:55:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-17 11:55:00,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-17 11:55:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 11:55:00,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 11:55:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure be_detect_error [2021-11-17 11:55:00,426 INFO L138 BoogieDeclarations]: Found implementation of procedure be_detect_error [2021-11-17 11:55:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_active_mac [2021-11-17 11:55:00,426 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_active_mac [2021-11-17 11:55:00,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-17 11:55:00,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-17 11:55:00,427 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-17 11:55:00,427 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-17 11:55:00,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 11:55:00,427 INFO L130 BoogieDeclarations]: Found specification of procedure be_get_reg_len [2021-11-17 11:55:00,427 INFO L138 BoogieDeclarations]: Found implementation of procedure be_get_reg_len [2021-11-17 11:55:00,427 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-17 11:55:00,427 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-17 11:55:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify [2021-11-17 11:55:00,428 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify [2021-11-17 11:55:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-17 11:55:00,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-17 11:55:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 11:55:00,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 11:55:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-17 11:55:00,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-17 11:55:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 11:55:00,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 11:55:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2021-11-17 11:55:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2021-11-17 11:55:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-17 11:55:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-17 11:55:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_phy_info [2021-11-17 11:55:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_phy_info [2021-11-17 11:55:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure be_is_mc [2021-11-17 11:55:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure be_is_mc [2021-11-17 11:55:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure be_wrb_cmd_hdr_prepare [2021-11-17 11:55:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure be_wrb_cmd_hdr_prepare [2021-11-17 11:55:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-17 11:55:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-17 11:55:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 11:55:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 11:55:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2021-11-17 11:55:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2021-11-17 11:55:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_enable_magic_wol [2021-11-17 11:55:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_enable_magic_wol [2021-11-17 11:55:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-17 11:55:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-17 11:55:00,431 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 11:55:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 11:55:00,431 INFO L130 BoogieDeclarations]: Found specification of procedure be_vf_clear [2021-11-17 11:55:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure be_vf_clear [2021-11-17 11:55:00,431 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_hsw_config [2021-11-17 11:55:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_hsw_config [2021-11-17 11:55:00,431 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_provisioning_error [2021-11-17 11:55:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_provisioning_error [2021-11-17 11:55:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure be_netpoll [2021-11-17 11:55:00,432 INFO L138 BoogieDeclarations]: Found implementation of procedure be_netpoll [2021-11-17 11:55:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 11:55:00,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 11:55:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure get_rx_page_info [2021-11-17 11:55:00,432 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rx_page_info [2021-11-17 11:55:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 11:55:00,432 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 11:55:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-11-17 11:55:00,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-11-17 11:55:00,433 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_pmac_del [2021-11-17 11:55:00,433 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_pmac_del [2021-11-17 11:55:00,433 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-17 11:55:00,433 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-17 11:55:00,433 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-17 11:55:00,433 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-17 11:55:00,433 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-17 11:55:00,433 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-17 11:55:00,434 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stats_from_cmd [2021-11-17 11:55:00,434 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stats_from_cmd [2021-11-17 11:55:00,434 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-17 11:55:00,434 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-17 11:55:00,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 11:55:00,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 11:55:00,434 INFO L130 BoogieDeclarations]: Found specification of procedure _be_roce_dev_add [2021-11-17 11:55:00,434 INFO L138 BoogieDeclarations]: Found implementation of procedure _be_roce_dev_add [2021-11-17 11:55:00,434 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-17 11:55:00,434 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-17 11:55:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure be_remove [2021-11-17 11:55:00,435 INFO L138 BoogieDeclarations]: Found implementation of procedure be_remove [2021-11-17 11:55:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-17 11:55:00,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-17 11:55:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mbox [2021-11-17 11:55:00,435 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mbox [2021-11-17 11:55:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_rx_filter [2021-11-17 11:55:00,435 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_rx_filter [2021-11-17 11:55:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-17 11:55:00,436 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-17 11:55:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 11:55:00,436 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 11:55:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 11:55:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure be_rx_compl_discard [2021-11-17 11:55:00,436 INFO L138 BoogieDeclarations]: Found implementation of procedure be_rx_compl_discard [2021-11-17 11:55:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 11:55:00,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 11:55:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-17 11:55:00,437 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-17 11:55:02,043 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 11:55:02,049 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 11:55:02,356 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 12:08:12,883 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 12:08:12,915 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 12:08:12,916 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-17 12:08:12,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:08:12 BoogieIcfgContainer [2021-11-17 12:08:12,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 12:08:12,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 12:08:12,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 12:08:12,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 12:08:12,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 11:54:46" (1/3) ... [2021-11-17 12:08:12,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177a8efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:08:12, skipping insertion in model container [2021-11-17 12:08:12,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:54:58" (2/3) ... [2021-11-17 12:08:12,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177a8efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:08:12, skipping insertion in model container [2021-11-17 12:08:12,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:08:12" (3/3) ... [2021-11-17 12:08:12,932 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-emulex-benet-be2net.cil.i [2021-11-17 12:08:12,941 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 12:08:12,941 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-17 12:08:13,001 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 12:08:13,006 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 [2021-11-17 12:08:13,007 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-17 12:08:13,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 6822 states, 4747 states have (on average 1.325679376448283) internal successors, (6293), 4853 states have internal predecessors, (6293), 1765 states have call successors, (1765), 310 states have call predecessors, (1765), 309 states have return successors, (1761), 1741 states have call predecessors, (1761), 1761 states have call successors, (1761) [2021-11-17 12:08:13,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-17 12:08:13,115 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:08:13,116 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:08:13,116 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 12:08:13,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:08:13,121 INFO L85 PathProgramCache]: Analyzing trace with hash -895983646, now seen corresponding path program 1 times [2021-11-17 12:08:13,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:08:13,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602925627] [2021-11-17 12:08:13,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:08:13,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:08:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:14,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:14,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:08:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:14,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:08:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:14,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:14,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 12:08:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:14,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 12:08:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:14,202 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 12:08:14,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:08:14,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602925627] [2021-11-17 12:08:14,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602925627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:08:14,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:08:14,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 12:08:14,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388149492] [2021-11-17 12:08:14,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:08:14,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 12:08:14,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:08:14,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 12:08:14,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 12:08:14,240 INFO L87 Difference]: Start difference. First operand has 6822 states, 4747 states have (on average 1.325679376448283) internal successors, (6293), 4853 states have internal predecessors, (6293), 1765 states have call successors, (1765), 310 states have call predecessors, (1765), 309 states have return successors, (1761), 1741 states have call predecessors, (1761), 1761 states have call successors, (1761) Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-17 12:08:15,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:08:15,073 INFO L93 Difference]: Finished difference Result 13621 states and 20058 transitions. [2021-11-17 12:08:15,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:08:15,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 50 [2021-11-17 12:08:15,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:08:15,142 INFO L225 Difference]: With dead ends: 13621 [2021-11-17 12:08:15,143 INFO L226 Difference]: Without dead ends: 6814 [2021-11-17 12:08:15,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:08:15,204 INFO L933 BasicCegarLoop]: 9747 mSDtfsCounter, 9689 mSDsluCounter, 19523 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9706 SdHoareTripleChecker+Valid, 29270 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:08:15,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9706 Valid, 29270 Invalid, 27 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 12:08:15,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6814 states. [2021-11-17 12:08:15,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6814 to 6812. [2021-11-17 12:08:15,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6812 states, 4731 states have (on average 1.3174804481082223) internal successors, (6233), 4837 states have internal predecessors, (6233), 1762 states have call successors, (1762), 317 states have call predecessors, (1762), 316 states have return successors, (1759), 1739 states have call predecessors, (1759), 1759 states have call successors, (1759) [2021-11-17 12:08:15,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 9754 transitions. [2021-11-17 12:08:15,601 INFO L78 Accepts]: Start accepts. Automaton has 6812 states and 9754 transitions. Word has length 50 [2021-11-17 12:08:15,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:08:15,602 INFO L470 AbstractCegarLoop]: Abstraction has 6812 states and 9754 transitions. [2021-11-17 12:08:15,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-17 12:08:15,603 INFO L276 IsEmpty]: Start isEmpty. Operand 6812 states and 9754 transitions. [2021-11-17 12:08:15,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-17 12:08:15,606 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:08:15,606 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:08:15,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 12:08:15,607 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 12:08:15,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:08:15,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1306101349, now seen corresponding path program 1 times [2021-11-17 12:08:15,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:08:15,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879019377] [2021-11-17 12:08:15,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:08:15,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:08:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:16,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:16,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:08:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:16,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:08:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:16,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:16,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 12:08:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:16,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 12:08:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:16,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 12:08:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:16,316 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 12:08:16,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:08:16,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879019377] [2021-11-17 12:08:16,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879019377] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:08:16,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:08:16,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 12:08:16,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071746842] [2021-11-17 12:08:16,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:08:16,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 12:08:16,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:08:16,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 12:08:16,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 12:08:16,319 INFO L87 Difference]: Start difference. First operand 6812 states and 9754 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-17 12:08:16,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:08:16,785 INFO L93 Difference]: Finished difference Result 6818 states and 9759 transitions. [2021-11-17 12:08:16,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:08:16,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2021-11-17 12:08:16,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:08:16,821 INFO L225 Difference]: With dead ends: 6818 [2021-11-17 12:08:16,822 INFO L226 Difference]: Without dead ends: 6816 [2021-11-17 12:08:16,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:08:16,831 INFO L933 BasicCegarLoop]: 9719 mSDtfsCounter, 9684 mSDsluCounter, 19414 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9699 SdHoareTripleChecker+Valid, 29133 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 12:08:16,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9699 Valid, 29133 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 12:08:16,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6816 states. [2021-11-17 12:08:17,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6816 to 6816. [2021-11-17 12:08:17,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6816 states, 4734 states have (on average 1.3172792564427545) internal successors, (6236), 4840 states have internal predecessors, (6236), 1762 states have call successors, (1762), 318 states have call predecessors, (1762), 317 states have return successors, (1759), 1739 states have call predecessors, (1759), 1759 states have call successors, (1759) [2021-11-17 12:08:17,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6816 states to 6816 states and 9757 transitions. [2021-11-17 12:08:17,039 INFO L78 Accepts]: Start accepts. Automaton has 6816 states and 9757 transitions. Word has length 55 [2021-11-17 12:08:17,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:08:17,040 INFO L470 AbstractCegarLoop]: Abstraction has 6816 states and 9757 transitions. [2021-11-17 12:08:17,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-17 12:08:17,040 INFO L276 IsEmpty]: Start isEmpty. Operand 6816 states and 9757 transitions. [2021-11-17 12:08:17,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-17 12:08:17,046 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:08:17,046 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:08:17,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 12:08:17,046 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 12:08:17,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:08:17,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1661473154, now seen corresponding path program 1 times [2021-11-17 12:08:17,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:08:17,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932094976] [2021-11-17 12:08:17,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:08:17,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:08:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:17,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:17,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:08:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:17,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:08:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:17,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:17,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 12:08:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:17,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 12:08:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:17,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 12:08:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:17,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 12:08:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:17,514 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-17 12:08:17,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:08:17,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932094976] [2021-11-17 12:08:17,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932094976] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:08:17,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:08:17,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 12:08:17,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142925311] [2021-11-17 12:08:17,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:08:17,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 12:08:17,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:08:17,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 12:08:17,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 12:08:17,516 INFO L87 Difference]: Start difference. First operand 6816 states and 9757 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-17 12:08:17,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:08:17,985 INFO L93 Difference]: Finished difference Result 6822 states and 9762 transitions. [2021-11-17 12:08:17,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:08:17,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 60 [2021-11-17 12:08:17,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:08:18,014 INFO L225 Difference]: With dead ends: 6822 [2021-11-17 12:08:18,015 INFO L226 Difference]: Without dead ends: 6820 [2021-11-17 12:08:18,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:08:18,020 INFO L933 BasicCegarLoop]: 9719 mSDtfsCounter, 9684 mSDsluCounter, 19414 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9698 SdHoareTripleChecker+Valid, 29133 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 12:08:18,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9698 Valid, 29133 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 12:08:18,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6820 states. [2021-11-17 12:08:18,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6820 to 6820. [2021-11-17 12:08:18,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6820 states, 4737 states have (on average 1.3170783196115685) internal successors, (6239), 4843 states have internal predecessors, (6239), 1762 states have call successors, (1762), 319 states have call predecessors, (1762), 318 states have return successors, (1759), 1739 states have call predecessors, (1759), 1759 states have call successors, (1759) [2021-11-17 12:08:18,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6820 states to 6820 states and 9760 transitions. [2021-11-17 12:08:18,213 INFO L78 Accepts]: Start accepts. Automaton has 6820 states and 9760 transitions. Word has length 60 [2021-11-17 12:08:18,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:08:18,213 INFO L470 AbstractCegarLoop]: Abstraction has 6820 states and 9760 transitions. [2021-11-17 12:08:18,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-17 12:08:18,213 INFO L276 IsEmpty]: Start isEmpty. Operand 6820 states and 9760 transitions. [2021-11-17 12:08:18,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-17 12:08:18,214 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:08:18,214 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:08:18,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 12:08:18,215 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 12:08:18,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:08:18,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1110308795, now seen corresponding path program 1 times [2021-11-17 12:08:18,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:08:18,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215176977] [2021-11-17 12:08:18,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:08:18,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:08:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:18,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:18,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:08:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:18,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:08:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:18,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:18,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 12:08:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:18,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 12:08:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:18,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 12:08:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:18,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 12:08:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:18,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 12:08:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:18,745 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:08:18,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:08:18,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215176977] [2021-11-17 12:08:18,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215176977] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:08:18,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:08:18,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 12:08:18,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199957410] [2021-11-17 12:08:18,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:08:18,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 12:08:18,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:08:18,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 12:08:18,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 12:08:18,747 INFO L87 Difference]: Start difference. First operand 6820 states and 9760 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 12:08:19,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:08:19,232 INFO L93 Difference]: Finished difference Result 6826 states and 9765 transitions. [2021-11-17 12:08:19,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:08:19,232 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2021-11-17 12:08:19,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:08:19,263 INFO L225 Difference]: With dead ends: 6826 [2021-11-17 12:08:19,263 INFO L226 Difference]: Without dead ends: 6824 [2021-11-17 12:08:19,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:08:19,270 INFO L933 BasicCegarLoop]: 9719 mSDtfsCounter, 9684 mSDsluCounter, 19414 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9697 SdHoareTripleChecker+Valid, 29133 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 12:08:19,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9697 Valid, 29133 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 12:08:19,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6824 states. [2021-11-17 12:08:19,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6824 to 6824. [2021-11-17 12:08:19,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6824 states, 4740 states have (on average 1.3168776371308017) internal successors, (6242), 4846 states have internal predecessors, (6242), 1762 states have call successors, (1762), 320 states have call predecessors, (1762), 319 states have return successors, (1759), 1739 states have call predecessors, (1759), 1759 states have call successors, (1759) [2021-11-17 12:08:19,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6824 states to 6824 states and 9763 transitions. [2021-11-17 12:08:19,578 INFO L78 Accepts]: Start accepts. Automaton has 6824 states and 9763 transitions. Word has length 65 [2021-11-17 12:08:19,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:08:19,579 INFO L470 AbstractCegarLoop]: Abstraction has 6824 states and 9763 transitions. [2021-11-17 12:08:19,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 12:08:19,580 INFO L276 IsEmpty]: Start isEmpty. Operand 6824 states and 9763 transitions. [2021-11-17 12:08:19,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-17 12:08:19,581 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:08:19,581 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:08:19,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 12:08:19,582 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 12:08:19,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:08:19,582 INFO L85 PathProgramCache]: Analyzing trace with hash -844109022, now seen corresponding path program 1 times [2021-11-17 12:08:19,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:08:19,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416551327] [2021-11-17 12:08:19,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:08:19,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:08:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:19,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:20,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:08:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:20,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:08:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:20,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:20,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 12:08:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:20,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 12:08:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:20,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 12:08:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:20,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 12:08:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:20,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 12:08:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:20,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 12:08:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:20,097 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-17 12:08:20,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:08:20,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416551327] [2021-11-17 12:08:20,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416551327] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:08:20,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:08:20,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 12:08:20,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983328308] [2021-11-17 12:08:20,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:08:20,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 12:08:20,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:08:20,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 12:08:20,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 12:08:20,099 INFO L87 Difference]: Start difference. First operand 6824 states and 9763 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-17 12:08:20,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:08:20,602 INFO L93 Difference]: Finished difference Result 6830 states and 9768 transitions. [2021-11-17 12:08:20,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:08:20,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 70 [2021-11-17 12:08:20,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:08:20,624 INFO L225 Difference]: With dead ends: 6830 [2021-11-17 12:08:20,624 INFO L226 Difference]: Without dead ends: 6828 [2021-11-17 12:08:20,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:08:20,628 INFO L933 BasicCegarLoop]: 9719 mSDtfsCounter, 9684 mSDsluCounter, 19414 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9696 SdHoareTripleChecker+Valid, 29133 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:08:20,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9696 Valid, 29133 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 12:08:20,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6828 states. [2021-11-17 12:08:20,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6828 to 6828. [2021-11-17 12:08:20,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6828 states, 4743 states have (on average 1.3166772085178158) internal successors, (6245), 4849 states have internal predecessors, (6245), 1762 states have call successors, (1762), 321 states have call predecessors, (1762), 320 states have return successors, (1759), 1739 states have call predecessors, (1759), 1759 states have call successors, (1759) [2021-11-17 12:08:20,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6828 states to 6828 states and 9766 transitions. [2021-11-17 12:08:20,813 INFO L78 Accepts]: Start accepts. Automaton has 6828 states and 9766 transitions. Word has length 70 [2021-11-17 12:08:20,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:08:20,813 INFO L470 AbstractCegarLoop]: Abstraction has 6828 states and 9766 transitions. [2021-11-17 12:08:20,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-17 12:08:20,813 INFO L276 IsEmpty]: Start isEmpty. Operand 6828 states and 9766 transitions. [2021-11-17 12:08:20,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-17 12:08:20,814 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:08:20,814 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:08:20,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 12:08:20,815 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 12:08:20,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:08:20,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1080779301, now seen corresponding path program 1 times [2021-11-17 12:08:20,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:08:20,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964022982] [2021-11-17 12:08:20,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:08:20,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:08:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:21,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:21,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:08:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:21,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:08:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:21,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:21,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 12:08:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:21,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 12:08:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:21,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 12:08:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:21,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 12:08:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:21,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 12:08:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:21,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 12:08:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:21,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:08:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:21,412 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-17 12:08:21,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:08:21,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964022982] [2021-11-17 12:08:21,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964022982] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:08:21,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:08:21,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 12:08:21,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681557094] [2021-11-17 12:08:21,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:08:21,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 12:08:21,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:08:21,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 12:08:21,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 12:08:21,414 INFO L87 Difference]: Start difference. First operand 6828 states and 9766 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-17 12:08:21,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:08:21,976 INFO L93 Difference]: Finished difference Result 6834 states and 9771 transitions. [2021-11-17 12:08:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:08:21,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75 [2021-11-17 12:08:21,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:08:22,003 INFO L225 Difference]: With dead ends: 6834 [2021-11-17 12:08:22,004 INFO L226 Difference]: Without dead ends: 6832 [2021-11-17 12:08:22,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:08:22,013 INFO L933 BasicCegarLoop]: 9719 mSDtfsCounter, 9684 mSDsluCounter, 19414 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9695 SdHoareTripleChecker+Valid, 29133 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:08:22,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9695 Valid, 29133 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 12:08:22,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6832 states. [2021-11-17 12:08:22,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6832 to 6832. [2021-11-17 12:08:22,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6832 states, 4746 states have (on average 1.3164770332911926) internal successors, (6248), 4852 states have internal predecessors, (6248), 1762 states have call successors, (1762), 322 states have call predecessors, (1762), 321 states have return successors, (1759), 1739 states have call predecessors, (1759), 1759 states have call successors, (1759) [2021-11-17 12:08:22,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6832 states to 6832 states and 9769 transitions. [2021-11-17 12:08:22,253 INFO L78 Accepts]: Start accepts. Automaton has 6832 states and 9769 transitions. Word has length 75 [2021-11-17 12:08:22,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:08:22,253 INFO L470 AbstractCegarLoop]: Abstraction has 6832 states and 9769 transitions. [2021-11-17 12:08:22,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-17 12:08:22,254 INFO L276 IsEmpty]: Start isEmpty. Operand 6832 states and 9769 transitions. [2021-11-17 12:08:22,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-17 12:08:22,254 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:08:22,254 INFO L514 BasicCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:08:22,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 12:08:22,255 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 12:08:22,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:08:22,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1618865346, now seen corresponding path program 1 times [2021-11-17 12:08:22,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:08:22,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373406492] [2021-11-17 12:08:22,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:08:22,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:08:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:22,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:22,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:08:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:22,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:08:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:22,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:22,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 12:08:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:22,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 12:08:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:22,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 12:08:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:22,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 12:08:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:22,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 12:08:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:22,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 12:08:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:22,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:08:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:22,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 12:08:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:22,827 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-17 12:08:22,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:08:22,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373406492] [2021-11-17 12:08:22,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373406492] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:08:22,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:08:22,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 12:08:22,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486013675] [2021-11-17 12:08:22,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:08:22,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 12:08:22,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:08:22,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 12:08:22,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 12:08:22,829 INFO L87 Difference]: Start difference. First operand 6832 states and 9769 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 12:08:23,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:08:23,387 INFO L93 Difference]: Finished difference Result 6862 states and 9792 transitions. [2021-11-17 12:08:23,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:08:23,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2021-11-17 12:08:23,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:08:23,416 INFO L225 Difference]: With dead ends: 6862 [2021-11-17 12:08:23,416 INFO L226 Difference]: Without dead ends: 6860 [2021-11-17 12:08:23,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:08:23,425 INFO L933 BasicCegarLoop]: 9724 mSDtfsCounter, 9632 mSDsluCounter, 19492 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9642 SdHoareTripleChecker+Valid, 29216 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:08:23,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9642 Valid, 29216 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 12:08:23,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6860 states. [2021-11-17 12:08:23,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6860 to 6858. [2021-11-17 12:08:23,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6858 states, 4765 states have (on average 1.3154249737670514) internal successors, (6268), 4871 states have internal predecessors, (6268), 1762 states have call successors, (1762), 329 states have call predecessors, (1762), 328 states have return successors, (1759), 1739 states have call predecessors, (1759), 1759 states have call successors, (1759) [2021-11-17 12:08:23,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6858 states to 6858 states and 9789 transitions. [2021-11-17 12:08:23,657 INFO L78 Accepts]: Start accepts. Automaton has 6858 states and 9789 transitions. Word has length 80 [2021-11-17 12:08:23,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:08:23,658 INFO L470 AbstractCegarLoop]: Abstraction has 6858 states and 9789 transitions. [2021-11-17 12:08:23,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 12:08:23,658 INFO L276 IsEmpty]: Start isEmpty. Operand 6858 states and 9789 transitions. [2021-11-17 12:08:23,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-17 12:08:23,663 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:08:23,663 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 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] [2021-11-17 12:08:23,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 12:08:23,664 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 12:08:23,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:08:23,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1482965691, now seen corresponding path program 1 times [2021-11-17 12:08:23,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:08:23,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378107742] [2021-11-17 12:08:23,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:08:23,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:08:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:24,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:24,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:08:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:24,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:08:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:24,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:24,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 12:08:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:24,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 12:08:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:24,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 12:08:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:24,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 12:08:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:24,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 12:08:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:24,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 12:08:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:24,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 12:08:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:24,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-17 12:08:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:24,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:08:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:24,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 12:08:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:24,270 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-17 12:08:24,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:08:24,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378107742] [2021-11-17 12:08:24,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378107742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:08:24,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:08:24,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 12:08:24,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035996125] [2021-11-17 12:08:24,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:08:24,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 12:08:24,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:08:24,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 12:08:24,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 12:08:24,273 INFO L87 Difference]: Start difference. First operand 6858 states and 9789 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 12:08:24,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:08:24,847 INFO L93 Difference]: Finished difference Result 6864 states and 9794 transitions. [2021-11-17 12:08:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:08:24,847 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 98 [2021-11-17 12:08:24,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:08:24,870 INFO L225 Difference]: With dead ends: 6864 [2021-11-17 12:08:24,870 INFO L226 Difference]: Without dead ends: 6862 [2021-11-17 12:08:24,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:08:24,876 INFO L933 BasicCegarLoop]: 9719 mSDtfsCounter, 9674 mSDsluCounter, 19414 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9683 SdHoareTripleChecker+Valid, 29133 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 12:08:24,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9683 Valid, 29133 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 12:08:24,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6862 states. [2021-11-17 12:08:25,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6862 to 6862. [2021-11-17 12:08:25,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6862 states, 4768 states have (on average 1.315226510067114) internal successors, (6271), 4874 states have internal predecessors, (6271), 1762 states have call successors, (1762), 330 states have call predecessors, (1762), 329 states have return successors, (1759), 1739 states have call predecessors, (1759), 1759 states have call successors, (1759) [2021-11-17 12:08:25,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6862 states to 6862 states and 9792 transitions. [2021-11-17 12:08:25,086 INFO L78 Accepts]: Start accepts. Automaton has 6862 states and 9792 transitions. Word has length 98 [2021-11-17 12:08:25,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:08:25,086 INFO L470 AbstractCegarLoop]: Abstraction has 6862 states and 9792 transitions. [2021-11-17 12:08:25,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 12:08:25,086 INFO L276 IsEmpty]: Start isEmpty. Operand 6862 states and 9792 transitions. [2021-11-17 12:08:25,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-17 12:08:25,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:08:25,089 INFO L514 BasicCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:08:25,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 12:08:25,089 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 12:08:25,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:08:25,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1608521314, now seen corresponding path program 1 times [2021-11-17 12:08:25,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:08:25,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248006689] [2021-11-17 12:08:25,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:08:25,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:08:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:25,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:25,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:08:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:25,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:08:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:25,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:25,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 12:08:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:25,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 12:08:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:25,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 12:08:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:25,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 12:08:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:25,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 12:08:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:25,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 12:08:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:25,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:08:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:25,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 12:08:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:25,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 12:08:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:25,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 12:08:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:25,601 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-17 12:08:25,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:08:25,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248006689] [2021-11-17 12:08:25,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248006689] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:08:25,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:08:25,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 12:08:25,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444800960] [2021-11-17 12:08:25,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:08:25,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 12:08:25,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:08:25,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 12:08:25,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 12:08:25,604 INFO L87 Difference]: Start difference. First operand 6862 states and 9792 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 12:08:26,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:08:26,146 INFO L93 Difference]: Finished difference Result 6868 states and 9797 transitions. [2021-11-17 12:08:26,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:08:26,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 90 [2021-11-17 12:08:26,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:08:26,166 INFO L225 Difference]: With dead ends: 6868 [2021-11-17 12:08:26,166 INFO L226 Difference]: Without dead ends: 6866 [2021-11-17 12:08:26,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:08:26,170 INFO L933 BasicCegarLoop]: 9719 mSDtfsCounter, 9684 mSDsluCounter, 19414 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9692 SdHoareTripleChecker+Valid, 29133 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:08:26,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9692 Valid, 29133 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 12:08:26,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6866 states. [2021-11-17 12:08:26,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6866 to 6866. [2021-11-17 12:08:26,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6866 states, 4771 states have (on average 1.3150282959547264) internal successors, (6274), 4877 states have internal predecessors, (6274), 1762 states have call successors, (1762), 331 states have call predecessors, (1762), 330 states have return successors, (1759), 1739 states have call predecessors, (1759), 1759 states have call successors, (1759) [2021-11-17 12:08:26,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6866 states to 6866 states and 9795 transitions. [2021-11-17 12:08:26,367 INFO L78 Accepts]: Start accepts. Automaton has 6866 states and 9795 transitions. Word has length 90 [2021-11-17 12:08:26,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:08:26,368 INFO L470 AbstractCegarLoop]: Abstraction has 6866 states and 9795 transitions. [2021-11-17 12:08:26,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 12:08:26,368 INFO L276 IsEmpty]: Start isEmpty. Operand 6866 states and 9795 transitions. [2021-11-17 12:08:26,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-17 12:08:26,369 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:08:26,369 INFO L514 BasicCegarLoop]: trace histogram [10, 9, 9, 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] [2021-11-17 12:08:26,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 12:08:26,369 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 12:08:26,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:08:26,370 INFO L85 PathProgramCache]: Analyzing trace with hash 55238939, now seen corresponding path program 1 times [2021-11-17 12:08:26,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:08:26,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369560476] [2021-11-17 12:08:26,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:08:26,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:08:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:26,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:26,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:08:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:26,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:08:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:26,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:26,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 12:08:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:26,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 12:08:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:26,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 12:08:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:26,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 12:08:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:26,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 12:08:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:26,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 12:08:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:26,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 12:08:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:26,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-17 12:08:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:26,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:08:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:26,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 12:08:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:26,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 12:08:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:26,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 12:08:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:26,884 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-11-17 12:08:26,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:08:26,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369560476] [2021-11-17 12:08:26,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369560476] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:08:26,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:08:26,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 12:08:26,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314726893] [2021-11-17 12:08:26,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:08:26,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 12:08:26,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:08:26,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 12:08:26,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 12:08:26,886 INFO L87 Difference]: Start difference. First operand 6866 states and 9795 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 12:08:27,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:08:27,459 INFO L93 Difference]: Finished difference Result 7038 states and 10006 transitions. [2021-11-17 12:08:27,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:08:27,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 108 [2021-11-17 12:08:27,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:08:27,480 INFO L225 Difference]: With dead ends: 7038 [2021-11-17 12:08:27,480 INFO L226 Difference]: Without dead ends: 7036 [2021-11-17 12:08:27,482 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:08:27,483 INFO L933 BasicCegarLoop]: 9879 mSDtfsCounter, 9558 mSDsluCounter, 20057 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9565 SdHoareTripleChecker+Valid, 29936 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:08:27,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9565 Valid, 29936 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 12:08:27,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7036 states. [2021-11-17 12:08:27,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7036 to 7034. [2021-11-17 12:08:27,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7034 states, 4898 states have (on average 1.31523070641078) internal successors, (6442), 5006 states have internal predecessors, (6442), 1782 states have call successors, (1782), 352 states have call predecessors, (1782), 351 states have return successors, (1779), 1759 states have call predecessors, (1779), 1779 states have call successors, (1779) [2021-11-17 12:08:27,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7034 states to 7034 states and 10003 transitions. [2021-11-17 12:08:27,694 INFO L78 Accepts]: Start accepts. Automaton has 7034 states and 10003 transitions. Word has length 108 [2021-11-17 12:08:27,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:08:27,694 INFO L470 AbstractCegarLoop]: Abstraction has 7034 states and 10003 transitions. [2021-11-17 12:08:27,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 12:08:27,695 INFO L276 IsEmpty]: Start isEmpty. Operand 7034 states and 10003 transitions. [2021-11-17 12:08:27,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-17 12:08:27,698 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:08:27,698 INFO L514 BasicCegarLoop]: trace histogram [11, 10, 10, 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] [2021-11-17 12:08:27,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 12:08:27,698 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 12:08:27,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:08:27,699 INFO L85 PathProgramCache]: Analyzing trace with hash 937014924, now seen corresponding path program 1 times [2021-11-17 12:08:27,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:08:27,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150811332] [2021-11-17 12:08:27,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:08:27,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:08:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:28,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:28,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:08:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:28,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:08:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:28,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:28,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 12:08:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:28,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 12:08:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 12:08:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:28,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 12:08:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:28,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 12:08:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:28,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 12:08:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:28,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 12:08:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:28,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-17 12:08:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:28,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:08:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:28,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 12:08:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:28,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 12:08:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:28,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 12:08:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:28,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 12:08:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:28,215 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-11-17 12:08:28,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:08:28,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150811332] [2021-11-17 12:08:28,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150811332] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:08:28,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:08:28,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 12:08:28,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495121136] [2021-11-17 12:08:28,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:08:28,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 12:08:28,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:08:28,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 12:08:28,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 12:08:28,218 INFO L87 Difference]: Start difference. First operand 7034 states and 10003 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 12:08:29,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:08:29,062 INFO L93 Difference]: Finished difference Result 12827 states and 18235 transitions. [2021-11-17 12:08:29,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:08:29,063 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 113 [2021-11-17 12:08:29,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:08:29,122 INFO L225 Difference]: With dead ends: 12827 [2021-11-17 12:08:29,123 INFO L226 Difference]: Without dead ends: 12825 [2021-11-17 12:08:29,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:08:29,133 INFO L933 BasicCegarLoop]: 11834 mSDtfsCounter, 8737 mSDsluCounter, 32538 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8743 SdHoareTripleChecker+Valid, 44372 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:08:29,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8743 Valid, 44372 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 12:08:29,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12825 states. [2021-11-17 12:08:29,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12825 to 12817. [2021-11-17 12:08:29,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12817 states, 8945 states have (on average 1.3129122414756846) internal successors, (11744), 9209 states have internal predecessors, (11744), 3193 states have call successors, (3193), 698 states have call predecessors, (3193), 676 states have return successors, (3291), 3066 states have call predecessors, (3291), 3187 states have call successors, (3291) [2021-11-17 12:08:29,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12817 states to 12817 states and 18228 transitions. [2021-11-17 12:08:29,580 INFO L78 Accepts]: Start accepts. Automaton has 12817 states and 18228 transitions. Word has length 113 [2021-11-17 12:08:29,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:08:29,581 INFO L470 AbstractCegarLoop]: Abstraction has 12817 states and 18228 transitions. [2021-11-17 12:08:29,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 12:08:29,581 INFO L276 IsEmpty]: Start isEmpty. Operand 12817 states and 18228 transitions. [2021-11-17 12:08:29,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-17 12:08:29,582 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:08:29,582 INFO L514 BasicCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:08:29,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 12:08:29,582 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 12:08:29,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:08:29,582 INFO L85 PathProgramCache]: Analyzing trace with hash -743407675, now seen corresponding path program 1 times [2021-11-17 12:08:29,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:08:29,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744123710] [2021-11-17 12:08:29,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:08:29,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:08:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:30,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:30,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:08:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:30,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:08:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:30,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:30,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 12:08:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:30,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 12:08:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:30,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 12:08:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:30,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 12:08:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:30,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 12:08:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:30,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 12:08:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:30,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:08:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:30,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 12:08:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:30,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 12:08:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:30,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 12:08:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:30,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:08:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:30,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 12:08:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:30,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:08:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:30,120 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-17 12:08:30,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:08:30,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744123710] [2021-11-17 12:08:30,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744123710] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:08:30,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:08:30,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 12:08:30,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595341136] [2021-11-17 12:08:30,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:08:30,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 12:08:30,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:08:30,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 12:08:30,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 12:08:30,122 INFO L87 Difference]: Start difference. First operand 12817 states and 18228 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 12:08:30,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:08:30,807 INFO L93 Difference]: Finished difference Result 12827 states and 18237 transitions. [2021-11-17 12:08:30,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:08:30,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 105 [2021-11-17 12:08:30,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:08:30,868 INFO L225 Difference]: With dead ends: 12827 [2021-11-17 12:08:30,869 INFO L226 Difference]: Without dead ends: 12825 [2021-11-17 12:08:30,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:08:30,880 INFO L933 BasicCegarLoop]: 9719 mSDtfsCounter, 9684 mSDsluCounter, 19414 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9689 SdHoareTripleChecker+Valid, 29133 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:08:30,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9689 Valid, 29133 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 12:08:30,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12825 states. [2021-11-17 12:08:31,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12825 to 12825. [2021-11-17 12:08:31,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12825 states, 8951 states have (on average 1.3127024913417495) internal successors, (11750), 9215 states have internal predecessors, (11750), 3193 states have call successors, (3193), 700 states have call predecessors, (3193), 678 states have return successors, (3291), 3066 states have call predecessors, (3291), 3187 states have call successors, (3291) [2021-11-17 12:08:31,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12825 states to 12825 states and 18234 transitions. [2021-11-17 12:08:31,395 INFO L78 Accepts]: Start accepts. Automaton has 12825 states and 18234 transitions. Word has length 105 [2021-11-17 12:08:31,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:08:31,395 INFO L470 AbstractCegarLoop]: Abstraction has 12825 states and 18234 transitions. [2021-11-17 12:08:31,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 12:08:31,396 INFO L276 IsEmpty]: Start isEmpty. Operand 12825 states and 18234 transitions. [2021-11-17 12:08:31,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-17 12:08:31,397 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:08:31,397 INFO L514 BasicCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:08:31,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 12:08:31,397 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 12:08:31,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:08:31,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1634147934, now seen corresponding path program 1 times [2021-11-17 12:08:31,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:08:31,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064394573] [2021-11-17 12:08:31,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:08:31,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:08:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:31,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:08:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:31,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:08:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:31,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:31,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 12:08:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:31,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 12:08:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:31,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 12:08:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:31,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 12:08:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:31,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 12:08:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:31,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 12:08:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:31,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:08:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:31,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 12:08:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:32,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 12:08:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:32,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 12:08:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:32,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:08:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:32,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 12:08:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:32,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:08:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:32,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-17 12:08:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:32,047 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-11-17 12:08:32,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:08:32,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064394573] [2021-11-17 12:08:32,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064394573] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:08:32,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:08:32,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 12:08:32,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054324871] [2021-11-17 12:08:32,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:08:32,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 12:08:32,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:08:32,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 12:08:32,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 12:08:32,049 INFO L87 Difference]: Start difference. First operand 12825 states and 18234 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 12:08:32,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:08:32,853 INFO L93 Difference]: Finished difference Result 12835 states and 18243 transitions. [2021-11-17 12:08:32,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:08:32,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 110 [2021-11-17 12:08:32,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:08:32,899 INFO L225 Difference]: With dead ends: 12835 [2021-11-17 12:08:32,899 INFO L226 Difference]: Without dead ends: 12833 [2021-11-17 12:08:32,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:08:32,907 INFO L933 BasicCegarLoop]: 9719 mSDtfsCounter, 9684 mSDsluCounter, 19414 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9688 SdHoareTripleChecker+Valid, 29133 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:08:32,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9688 Valid, 29133 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 12:08:32,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12833 states. [2021-11-17 12:08:33,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12833 to 12833. [2021-11-17 12:08:33,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12833 states, 8957 states have (on average 1.3124930222172602) internal successors, (11756), 9221 states have internal predecessors, (11756), 3193 states have call successors, (3193), 702 states have call predecessors, (3193), 680 states have return successors, (3291), 3066 states have call predecessors, (3291), 3187 states have call successors, (3291) [2021-11-17 12:08:33,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12833 states to 12833 states and 18240 transitions. [2021-11-17 12:08:33,326 INFO L78 Accepts]: Start accepts. Automaton has 12833 states and 18240 transitions. Word has length 110 [2021-11-17 12:08:33,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:08:33,328 INFO L470 AbstractCegarLoop]: Abstraction has 12833 states and 18240 transitions. [2021-11-17 12:08:33,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 12:08:33,329 INFO L276 IsEmpty]: Start isEmpty. Operand 12833 states and 18240 transitions. [2021-11-17 12:08:33,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-17 12:08:33,331 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:08:33,331 INFO L514 BasicCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:08:33,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 12:08:33,332 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 12:08:33,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:08:33,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1677801893, now seen corresponding path program 1 times [2021-11-17 12:08:33,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:08:33,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479953663] [2021-11-17 12:08:33,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:08:33,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:08:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:08:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:08:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 12:08:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 12:08:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 12:08:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 12:08:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 12:08:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 12:08:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:08:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 12:08:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 12:08:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 12:08:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 12:08:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 12:08:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:08:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-17 12:08:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-17 12:08:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:33,868 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2021-11-17 12:08:33,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:08:33,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479953663] [2021-11-17 12:08:33,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479953663] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:08:33,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:08:33,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 12:08:33,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088943514] [2021-11-17 12:08:33,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:08:33,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 12:08:33,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:08:33,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 12:08:33,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 12:08:33,870 INFO L87 Difference]: Start difference. First operand 12833 states and 18240 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 12:08:34,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:08:34,521 INFO L93 Difference]: Finished difference Result 12843 states and 18249 transitions. [2021-11-17 12:08:34,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:08:34,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (21), 3 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 115 [2021-11-17 12:08:34,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:08:34,567 INFO L225 Difference]: With dead ends: 12843 [2021-11-17 12:08:34,567 INFO L226 Difference]: Without dead ends: 12841 [2021-11-17 12:08:34,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:08:34,575 INFO L933 BasicCegarLoop]: 9719 mSDtfsCounter, 9684 mSDsluCounter, 19414 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9687 SdHoareTripleChecker+Valid, 29133 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:08:34,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9687 Valid, 29133 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 12:08:34,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12841 states. [2021-11-17 12:08:34,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12841 to 12841. [2021-11-17 12:08:34,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12841 states, 8963 states have (on average 1.312283833537878) internal successors, (11762), 9227 states have internal predecessors, (11762), 3193 states have call successors, (3193), 704 states have call predecessors, (3193), 682 states have return successors, (3291), 3066 states have call predecessors, (3291), 3187 states have call successors, (3291) [2021-11-17 12:08:34,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12841 states to 12841 states and 18246 transitions. [2021-11-17 12:08:34,990 INFO L78 Accepts]: Start accepts. Automaton has 12841 states and 18246 transitions. Word has length 115 [2021-11-17 12:08:34,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:08:34,990 INFO L470 AbstractCegarLoop]: Abstraction has 12841 states and 18246 transitions. [2021-11-17 12:08:34,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 12:08:34,991 INFO L276 IsEmpty]: Start isEmpty. Operand 12841 states and 18246 transitions. [2021-11-17 12:08:34,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-17 12:08:34,993 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:08:34,993 INFO L514 BasicCegarLoop]: trace histogram [15, 14, 14, 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] [2021-11-17 12:08:34,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 12:08:34,993 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 12:08:34,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:08:34,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1361193164, now seen corresponding path program 1 times [2021-11-17 12:08:34,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:08:34,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068479872] [2021-11-17 12:08:34,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:08:34,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:08:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:08:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:08:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 12:08:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 12:08:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 12:08:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 12:08:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 12:08:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 12:08:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 12:08:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-17 12:08:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:08:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 12:08:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 12:08:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 12:08:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 12:08:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 12:08:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 12:08:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 12:08:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 12:08:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:35,714 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2021-11-17 12:08:35,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:08:35,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068479872] [2021-11-17 12:08:35,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068479872] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:08:35,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:08:35,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 12:08:35,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154258543] [2021-11-17 12:08:35,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:08:35,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 12:08:35,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:08:35,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 12:08:35,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 12:08:35,716 INFO L87 Difference]: Start difference. First operand 12841 states and 18246 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 12:08:36,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:08:36,422 INFO L93 Difference]: Finished difference Result 12851 states and 18255 transitions. [2021-11-17 12:08:36,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:08:36,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 133 [2021-11-17 12:08:36,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:08:36,461 INFO L225 Difference]: With dead ends: 12851 [2021-11-17 12:08:36,462 INFO L226 Difference]: Without dead ends: 12849 [2021-11-17 12:08:36,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:08:36,469 INFO L933 BasicCegarLoop]: 9719 mSDtfsCounter, 9674 mSDsluCounter, 19414 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9676 SdHoareTripleChecker+Valid, 29133 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:08:36,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9676 Valid, 29133 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 12:08:36,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12849 states. [2021-11-17 12:08:36,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12849 to 12849. [2021-11-17 12:08:36,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12849 states, 8969 states have (on average 1.3120749247407737) internal successors, (11768), 9233 states have internal predecessors, (11768), 3193 states have call successors, (3193), 706 states have call predecessors, (3193), 684 states have return successors, (3291), 3066 states have call predecessors, (3291), 3187 states have call successors, (3291) [2021-11-17 12:08:36,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12849 states to 12849 states and 18252 transitions. [2021-11-17 12:08:36,923 INFO L78 Accepts]: Start accepts. Automaton has 12849 states and 18252 transitions. Word has length 133 [2021-11-17 12:08:36,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:08:36,924 INFO L470 AbstractCegarLoop]: Abstraction has 12849 states and 18252 transitions. [2021-11-17 12:08:36,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 12:08:36,924 INFO L276 IsEmpty]: Start isEmpty. Operand 12849 states and 18252 transitions. [2021-11-17 12:08:36,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-17 12:08:36,925 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:08:36,925 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 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] [2021-11-17 12:08:36,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-17 12:08:36,926 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 12:08:36,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:08:36,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1326582843, now seen corresponding path program 1 times [2021-11-17 12:08:36,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:08:36,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279308856] [2021-11-17 12:08:36,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:08:36,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:08:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:08:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:08:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 12:08:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 12:08:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 12:08:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 12:08:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 12:08:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 12:08:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 12:08:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-17 12:08:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:08:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 12:08:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 12:08:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 12:08:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 12:08:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 12:08:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 12:08:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 12:08:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 12:08:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-17 12:08:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:37,471 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-11-17 12:08:37,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:08:37,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279308856] [2021-11-17 12:08:37,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279308856] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:08:37,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:08:37,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 12:08:37,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10076932] [2021-11-17 12:08:37,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:08:37,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 12:08:37,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:08:37,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 12:08:37,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 12:08:37,473 INFO L87 Difference]: Start difference. First operand 12849 states and 18252 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 12:08:38,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:08:38,186 INFO L93 Difference]: Finished difference Result 12859 states and 18261 transitions. [2021-11-17 12:08:38,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:08:38,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 138 [2021-11-17 12:08:38,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:08:38,226 INFO L225 Difference]: With dead ends: 12859 [2021-11-17 12:08:38,226 INFO L226 Difference]: Without dead ends: 12855 [2021-11-17 12:08:38,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:08:38,234 INFO L933 BasicCegarLoop]: 9719 mSDtfsCounter, 9674 mSDsluCounter, 19414 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9675 SdHoareTripleChecker+Valid, 29133 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:08:38,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9675 Valid, 29133 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 12:08:38,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12855 states. [2021-11-17 12:08:38,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12855 to 12855. [2021-11-17 12:08:38,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12855 states, 8974 states have (on average 1.3117896144417205) internal successors, (11772), 9237 states have internal predecessors, (11772), 3193 states have call successors, (3193), 708 states have call predecessors, (3193), 685 states have return successors, (3291), 3066 states have call predecessors, (3291), 3187 states have call successors, (3291) [2021-11-17 12:08:38,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12855 states to 12855 states and 18256 transitions. [2021-11-17 12:08:38,887 INFO L78 Accepts]: Start accepts. Automaton has 12855 states and 18256 transitions. Word has length 138 [2021-11-17 12:08:38,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:08:38,887 INFO L470 AbstractCegarLoop]: Abstraction has 12855 states and 18256 transitions. [2021-11-17 12:08:38,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 12:08:38,888 INFO L276 IsEmpty]: Start isEmpty. Operand 12855 states and 18256 transitions. [2021-11-17 12:08:38,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-17 12:08:38,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:08:38,890 INFO L514 BasicCegarLoop]: trace histogram [17, 16, 16, 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] [2021-11-17 12:08:38,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-17 12:08:38,890 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 12:08:38,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:08:38,890 INFO L85 PathProgramCache]: Analyzing trace with hash -937488916, now seen corresponding path program 1 times [2021-11-17 12:08:38,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:08:38,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421891879] [2021-11-17 12:08:38,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:08:38,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:08:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:08:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:08:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 12:08:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 12:08:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 12:08:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 12:08:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 12:08:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 12:08:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 12:08:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-17 12:08:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:08:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 12:08:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 12:08:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 12:08:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 12:08:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 12:08:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 12:08:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 12:08:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 12:08:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-17 12:08:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 12:08:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:39,366 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-11-17 12:08:39,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:08:39,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421891879] [2021-11-17 12:08:39,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421891879] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:08:39,366 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:08:39,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 12:08:39,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055349792] [2021-11-17 12:08:39,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:08:39,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 12:08:39,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:08:39,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 12:08:39,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 12:08:39,368 INFO L87 Difference]: Start difference. First operand 12855 states and 18256 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 12:08:40,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:08:40,055 INFO L93 Difference]: Finished difference Result 12861 states and 18261 transitions. [2021-11-17 12:08:40,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 12:08:40,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2021-11-17 12:08:40,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:08:40,101 INFO L225 Difference]: With dead ends: 12861 [2021-11-17 12:08:40,101 INFO L226 Difference]: Without dead ends: 12695 [2021-11-17 12:08:40,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:08:40,111 INFO L933 BasicCegarLoop]: 9720 mSDtfsCounter, 9674 mSDsluCounter, 19416 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9674 SdHoareTripleChecker+Valid, 29136 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 12:08:40,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9674 Valid, 29136 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 12:08:40,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12695 states. [2021-11-17 12:08:40,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12695 to 12695. [2021-11-17 12:08:40,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12695 states, 8874 states have (on average 1.314514311471715) internal successors, (11665), 9134 states have internal predecessors, (11665), 3155 states have call successors, (3155), 685 states have call predecessors, (3155), 663 states have return successors, (3256), 3031 states have call predecessors, (3256), 3152 states have call successors, (3256) [2021-11-17 12:08:40,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12695 states to 12695 states and 18076 transitions. [2021-11-17 12:08:40,643 INFO L78 Accepts]: Start accepts. Automaton has 12695 states and 18076 transitions. Word has length 143 [2021-11-17 12:08:40,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:08:40,644 INFO L470 AbstractCegarLoop]: Abstraction has 12695 states and 18076 transitions. [2021-11-17 12:08:40,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 12:08:40,644 INFO L276 IsEmpty]: Start isEmpty. Operand 12695 states and 18076 transitions. [2021-11-17 12:08:40,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-17 12:08:40,647 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:08:40,648 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:08:40,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-17 12:08:40,648 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 12:08:40,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:08:40,648 INFO L85 PathProgramCache]: Analyzing trace with hash 595321118, now seen corresponding path program 1 times [2021-11-17 12:08:40,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:08:40,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849185108] [2021-11-17 12:08:40,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:08:40,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:08:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 12:08:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 12:08:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:08:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 12:08:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:08:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 12:08:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:08:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:08:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 12:08:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 12:08:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-17 12:08:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 12:08:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:08:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:08:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 12:08:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-17 12:08:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 12:08:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 12:08:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-17 12:08:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 12:08:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:08:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-17 12:08:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:08:41,463 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-11-17 12:08:41,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:08:41,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849185108] [2021-11-17 12:08:41,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849185108] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:08:41,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:08:41,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 12:08:41,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471149365] [2021-11-17 12:08:41,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:08:41,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 12:08:41,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:08:41,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 12:08:41,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 12:08:41,465 INFO L87 Difference]: Start difference. First operand 12695 states and 18076 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 12:08:43,601 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:08:54,078 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15