./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.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 fb901e431a7ee0706f0e51d89ec94e4336f8310f955de577abd9c91b26865dbf --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:12:23,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:12:23,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:12:23,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:12:23,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:12:23,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:12:23,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:12:23,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:12:23,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:12:23,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:12:23,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:12:23,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:12:23,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:12:23,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:12:23,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:12:23,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:12:23,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:12:23,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:12:23,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:12:23,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:12:23,461 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:12:23,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:12:23,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:12:23,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:12:23,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:12:23,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:12:23,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:12:23,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:12:23,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:12:23,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:12:23,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:12:23,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:12:23,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:12:23,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:12:23,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:12:23,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:12:23,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:12:23,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:12:23,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:12:23,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:12:23,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:12:23,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:12:23,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:12:23,506 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:12:23,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:12:23,508 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:12:23,508 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:12:23,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:12:23,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:12:23,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:12:23,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:12:23,510 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:12:23,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:12:23,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:12:23,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:12:23,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:12:23,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:12:23,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:12:23,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:12:23,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:12:23,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:12:23,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:12:23,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:12:23,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:12:23,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:12:23,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:12:23,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:12:23,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:12:23,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:12:23,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:12:23,514 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:12:23,514 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:12:23,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:12:23,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb901e431a7ee0706f0e51d89ec94e4336f8310f955de577abd9c91b26865dbf [2022-07-23 03:12:23,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:12:23,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:12:23,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:12:23,743 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:12:23,743 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:12:23,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2022-07-23 03:12:23,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8036ecbb/7ea5e5b5526d4d6880309ca4891332c8/FLAG45b768e56 [2022-07-23 03:12:24,666 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:12:24,667 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2022-07-23 03:12:24,747 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8036ecbb/7ea5e5b5526d4d6880309ca4891332c8/FLAG45b768e56 [2022-07-23 03:12:24,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8036ecbb/7ea5e5b5526d4d6880309ca4891332c8 [2022-07-23 03:12:24,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:12:24,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:12:24,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:12:24,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:12:24,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:12:24,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:12:24" (1/1) ... [2022-07-23 03:12:24,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac39ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:12:24, skipping insertion in model container [2022-07-23 03:12:24,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:12:24" (1/1) ... [2022-07-23 03:12:24,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:12:25,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:12:31,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620437,620450] [2022-07-23 03:12:31,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620606,620619] [2022-07-23 03:12:32,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620773,620786] [2022-07-23 03:12:32,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620941,620954] [2022-07-23 03:12:32,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:12:32,092 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:12:32,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620437,620450] [2022-07-23 03:12:32,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620606,620619] [2022-07-23 03:12:32,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620773,620786] [2022-07-23 03:12:32,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620941,620954] [2022-07-23 03:12:32,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:12:32,878 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:12:32,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:12:32 WrapperNode [2022-07-23 03:12:32,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:12:32,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:12:32,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:12:32,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:12:32,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:12:32" (1/1) ... [2022-07-23 03:12:33,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:12:32" (1/1) ... [2022-07-23 03:12:33,364 INFO L137 Inliner]: procedures = 699, calls = 6873, calls flagged for inlining = 322, calls inlined = 303, statements flattened = 13740 [2022-07-23 03:12:33,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:12:33,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:12:33,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:12:33,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:12:33,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:12:32" (1/1) ... [2022-07-23 03:12:33,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:12:32" (1/1) ... [2022-07-23 03:12:33,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:12:32" (1/1) ... [2022-07-23 03:12:33,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:12:32" (1/1) ... [2022-07-23 03:12:33,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:12:32" (1/1) ... [2022-07-23 03:12:33,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:12:32" (1/1) ... [2022-07-23 03:12:33,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:12:32" (1/1) ... [2022-07-23 03:12:33,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:12:33,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:12:33,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:12:33,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:12:33,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:12:32" (1/1) ... [2022-07-23 03:12:33,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:12:33,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:12:33,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 03:12:33,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 03:12:33,903 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2022-07-23 03:12:33,904 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2022-07-23 03:12:33,904 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2022-07-23 03:12:33,904 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2022-07-23 03:12:33,904 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-23 03:12:33,904 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2022-07-23 03:12:33,904 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2022-07-23 03:12:33,904 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-23 03:12:33,905 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2022-07-23 03:12:33,905 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2022-07-23 03:12:33,905 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-23 03:12:33,905 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-23 03:12:33,905 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2022-07-23 03:12:33,905 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2022-07-23 03:12:33,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:12:33,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:12:33,905 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2022-07-23 03:12:33,906 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2022-07-23 03:12:33,906 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 03:12:33,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 03:12:33,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:12:33,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:12:33,906 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2022-07-23 03:12:33,906 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2022-07-23 03:12:33,906 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2022-07-23 03:12:33,906 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2022-07-23 03:12:33,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 03:12:33,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 03:12:33,907 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2022-07-23 03:12:33,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2022-07-23 03:12:33,907 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2022-07-23 03:12:33,907 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2022-07-23 03:12:33,907 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-07-23 03:12:33,907 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-07-23 03:12:33,908 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-07-23 03:12:33,908 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-07-23 03:12:33,908 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 03:12:33,908 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 03:12:33,908 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2022-07-23 03:12:33,908 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2022-07-23 03:12:33,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2022-07-23 03:12:33,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2022-07-23 03:12:33,908 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2022-07-23 03:12:33,909 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2022-07-23 03:12:33,909 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2022-07-23 03:12:33,909 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2022-07-23 03:12:33,909 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 03:12:33,909 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 03:12:33,909 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2022-07-23 03:12:33,909 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2022-07-23 03:12:33,909 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-07-23 03:12:33,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-07-23 03:12:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-07-23 03:12:33,910 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-07-23 03:12:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-23 03:12:33,910 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-23 03:12:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2022-07-23 03:12:33,910 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2022-07-23 03:12:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-23 03:12:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2022-07-23 03:12:33,911 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2022-07-23 03:12:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 03:12:33,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 03:12:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:12:33,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:12:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-07-23 03:12:33,911 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-07-23 03:12:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2022-07-23 03:12:33,911 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2022-07-23 03:12:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-23 03:12:33,912 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-23 03:12:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 03:12:33,912 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 03:12:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:12:33,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:12:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2022-07-23 03:12:33,912 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2022-07-23 03:12:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2022-07-23 03:12:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2022-07-23 03:12:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:12:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 03:12:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 03:12:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2022-07-23 03:12:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2022-07-23 03:12:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2022-07-23 03:12:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2022-07-23 03:12:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-23 03:12:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-23 03:12:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2022-07-23 03:12:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2022-07-23 03:12:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-23 03:12:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-23 03:12:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 03:12:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 03:12:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 03:12:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 03:12:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2022-07-23 03:12:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2022-07-23 03:12:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-23 03:12:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-23 03:12:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2022-07-23 03:12:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2022-07-23 03:12:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 03:12:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-23 03:12:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-23 03:12:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2022-07-23 03:12:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2022-07-23 03:12:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 03:12:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 03:12:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-23 03:12:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-23 03:12:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 03:12:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 03:12:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2022-07-23 03:12:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2022-07-23 03:12:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 03:12:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:12:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:12:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 03:12:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2022-07-23 03:12:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2022-07-23 03:12:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2022-07-23 03:12:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2022-07-23 03:12:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2022-07-23 03:12:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2022-07-23 03:12:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:12:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:12:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:12:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:12:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2022-07-23 03:12:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2022-07-23 03:12:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-07-23 03:12:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-07-23 03:12:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-07-23 03:12:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-07-23 03:12:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:12:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:12:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2022-07-23 03:12:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2022-07-23 03:12:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-23 03:12:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-23 03:12:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 03:12:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 03:12:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 03:12:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 03:12:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-23 03:12:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-23 03:12:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 03:12:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 03:12:33,921 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2022-07-23 03:12:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2022-07-23 03:12:33,921 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2022-07-23 03:12:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2022-07-23 03:12:33,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:12:33,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-07-23 03:12:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-07-23 03:12:33,921 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2022-07-23 03:12:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2022-07-23 03:12:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:12:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:12:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:12:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 03:12:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 03:12:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:12:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2022-07-23 03:12:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2022-07-23 03:12:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 03:12:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2022-07-23 03:12:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2022-07-23 03:12:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-07-23 03:12:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-07-23 03:12:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:12:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:12:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-23 03:12:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-23 03:12:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2022-07-23 03:12:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2022-07-23 03:12:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-23 03:12:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-23 03:12:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 03:12:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 03:12:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2022-07-23 03:12:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2022-07-23 03:12:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 03:12:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 03:12:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2022-07-23 03:12:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2022-07-23 03:12:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-23 03:12:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-23 03:12:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 03:12:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 03:12:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2022-07-23 03:12:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2022-07-23 03:12:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2022-07-23 03:12:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2022-07-23 03:12:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 03:12:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 03:12:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2022-07-23 03:12:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2022-07-23 03:12:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:12:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:12:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2022-07-23 03:12:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2022-07-23 03:12:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 03:12:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 03:12:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-07-23 03:12:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-07-23 03:12:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-23 03:12:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-23 03:12:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2022-07-23 03:12:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2022-07-23 03:12:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-23 03:12:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-23 03:12:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 03:12:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 03:12:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-07-23 03:12:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-07-23 03:12:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2022-07-23 03:12:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2022-07-23 03:12:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-23 03:12:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-23 03:12:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:12:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:12:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:12:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:12:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-07-23 03:12:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-07-23 03:12:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-07-23 03:12:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-07-23 03:12:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 03:12:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 03:12:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-23 03:12:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-23 03:12:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2022-07-23 03:12:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2022-07-23 03:12:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2022-07-23 03:12:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2022-07-23 03:12:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2022-07-23 03:12:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2022-07-23 03:12:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2022-07-23 03:12:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2022-07-23 03:12:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-07-23 03:12:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-07-23 03:12:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2022-07-23 03:12:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2022-07-23 03:12:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 03:12:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 03:12:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2022-07-23 03:12:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2022-07-23 03:12:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 03:12:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 03:12:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2022-07-23 03:12:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2022-07-23 03:12:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-23 03:12:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-23 03:12:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2022-07-23 03:12:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2022-07-23 03:12:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 03:12:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 03:12:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-23 03:12:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-23 03:12:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:12:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 03:12:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 03:12:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2022-07-23 03:12:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2022-07-23 03:12:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-07-23 03:12:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-07-23 03:12:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:12:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-23 03:12:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-23 03:12:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2022-07-23 03:12:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2022-07-23 03:12:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2022-07-23 03:12:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2022-07-23 03:12:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-23 03:12:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-23 03:12:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2022-07-23 03:12:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2022-07-23 03:12:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-23 03:12:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-23 03:12:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:12:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-23 03:12:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-23 03:12:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2022-07-23 03:12:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2022-07-23 03:12:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2022-07-23 03:12:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2022-07-23 03:12:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 03:12:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 03:12:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-23 03:12:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-23 03:12:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2022-07-23 03:12:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2022-07-23 03:12:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-23 03:12:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-23 03:12:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:12:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:12:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2022-07-23 03:12:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2022-07-23 03:12:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2022-07-23 03:12:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2022-07-23 03:12:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 03:12:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 03:12:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-23 03:12:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-23 03:12:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2022-07-23 03:12:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2022-07-23 03:12:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2022-07-23 03:12:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2022-07-23 03:12:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-23 03:12:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-23 03:12:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2022-07-23 03:12:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2022-07-23 03:12:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2022-07-23 03:12:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2022-07-23 03:12:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 03:12:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 03:12:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 03:12:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 03:12:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2022-07-23 03:12:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2022-07-23 03:12:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2022-07-23 03:12:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2022-07-23 03:12:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2022-07-23 03:12:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2022-07-23 03:12:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 03:12:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 03:12:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-23 03:12:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-23 03:12:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 03:12:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 03:12:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-07-23 03:12:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2022-07-23 03:12:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2022-07-23 03:12:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2022-07-23 03:12:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 03:12:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2022-07-23 03:12:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2022-07-23 03:12:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2022-07-23 03:12:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2022-07-23 03:12:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-23 03:12:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-23 03:12:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-23 03:12:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-23 03:12:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:12:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:12:33,942 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2022-07-23 03:12:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2022-07-23 03:12:33,942 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-07-23 03:12:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-07-23 03:12:33,942 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2022-07-23 03:12:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2022-07-23 03:12:33,942 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-23 03:12:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-23 03:12:33,942 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-23 03:12:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-23 03:12:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2022-07-23 03:12:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2022-07-23 03:12:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-23 03:12:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-23 03:12:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-07-23 03:12:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-07-23 03:12:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:12:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:12:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2022-07-23 03:12:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2022-07-23 03:12:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2022-07-23 03:12:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2022-07-23 03:12:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-23 03:12:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-23 03:12:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2022-07-23 03:12:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2022-07-23 03:12:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2022-07-23 03:12:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2022-07-23 03:12:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2022-07-23 03:12:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2022-07-23 03:12:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-23 03:12:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-23 03:12:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2022-07-23 03:12:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2022-07-23 03:12:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 03:12:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-07-23 03:12:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-07-23 03:12:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-23 03:12:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-23 03:12:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2022-07-23 03:12:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2022-07-23 03:12:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:12:33,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:12:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2022-07-23 03:12:33,947 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2022-07-23 03:12:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-23 03:12:33,947 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-23 03:12:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2022-07-23 03:12:33,947 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2022-07-23 03:12:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2022-07-23 03:12:33,947 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2022-07-23 03:12:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2022-07-23 03:12:33,948 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2022-07-23 03:12:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2022-07-23 03:12:33,948 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2022-07-23 03:12:35,167 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:12:35,170 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:12:35,359 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:13:19,929 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:13:19,965 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:13:19,965 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-23 03:13:19,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:13:19 BoogieIcfgContainer [2022-07-23 03:13:19,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:13:19,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:13:19,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:13:19,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:13:19,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:12:24" (1/3) ... [2022-07-23 03:13:19,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622e5959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:13:19, skipping insertion in model container [2022-07-23 03:13:19,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:12:32" (2/3) ... [2022-07-23 03:13:19,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622e5959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:13:19, skipping insertion in model container [2022-07-23 03:13:19,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:13:19" (3/3) ... [2022-07-23 03:13:19,986 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2022-07-23 03:13:19,998 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:13:19,999 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-23 03:13:20,124 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:13:20,131 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@f866a37, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2d9292c7 [2022-07-23 03:13:20,132 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-23 03:13:20,147 INFO L276 IsEmpty]: Start isEmpty. Operand has 4512 states, 2999 states have (on average 1.3284428142714237) internal successors, (3984), 3166 states have internal predecessors, (3984), 1320 states have call successors, (1320), 191 states have call predecessors, (1320), 190 states have return successors, (1307), 1244 states have call predecessors, (1307), 1307 states have call successors, (1307) [2022-07-23 03:13:20,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-23 03:13:20,156 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:13:20,156 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:13:20,157 INFO L420 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)] === [2022-07-23 03:13:20,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:13:20,161 INFO L85 PathProgramCache]: Analyzing trace with hash 272176373, now seen corresponding path program 1 times [2022-07-23 03:13:20,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:13:20,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097267770] [2022-07-23 03:13:20,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:13:20,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:13:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:20,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:13:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:20,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:13:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:20,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:13:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:20,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:13:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:20,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:13:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:20,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:13:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:20,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:13:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:21,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:13:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:21,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:13:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:21,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 03:13:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:21,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 03:13:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:21,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:13:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:21,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:13:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:21,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:13:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:21,140 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-23 03:13:21,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:13:21,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097267770] [2022-07-23 03:13:21,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097267770] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:13:21,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:13:21,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:13:21,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212588983] [2022-07-23 03:13:21,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:13:21,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:13:21,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:13:21,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:13:21,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:13:21,182 INFO L87 Difference]: Start difference. First operand has 4512 states, 2999 states have (on average 1.3284428142714237) internal successors, (3984), 3166 states have internal predecessors, (3984), 1320 states have call successors, (1320), 191 states have call predecessors, (1320), 190 states have return successors, (1307), 1244 states have call predecessors, (1307), 1307 states have call successors, (1307) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-23 03:13:24,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:13:26,202 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:13:35,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:13:40,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:13:42,841 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:13:45,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:13:47,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:13:48,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:13:50,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:13:55,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:14:11,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:14:11,448 INFO L93 Difference]: Finished difference Result 9951 states and 15150 transitions. [2022-07-23 03:14:11,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:14:11,450 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (13), 4 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 93 [2022-07-23 03:14:11,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:14:11,506 INFO L225 Difference]: With dead ends: 9951 [2022-07-23 03:14:11,507 INFO L226 Difference]: Without dead ends: 5458 [2022-07-23 03:14:11,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:14:11,548 INFO L413 NwaCegarLoop]: 7401 mSDtfsCounter, 1746 mSDsluCounter, 12006 mSDsCounter, 0 mSdLazyCounter, 5514 mSolverCounterSat, 1427 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2348 SdHoareTripleChecker+Valid, 19407 SdHoareTripleChecker+Invalid, 6947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1427 IncrementalHoareTripleChecker+Valid, 5514 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.2s IncrementalHoareTripleChecker+Time [2022-07-23 03:14:11,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2348 Valid, 19407 Invalid, 6947 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1427 Valid, 5514 Invalid, 6 Unknown, 0 Unchecked, 49.2s Time] [2022-07-23 03:14:11,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5458 states. [2022-07-23 03:14:11,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5458 to 4481. [2022-07-23 03:14:11,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4481 states, 2985 states have (on average 1.3078726968174204) internal successors, (3904), 3143 states have internal predecessors, (3904), 1304 states have call successors, (1304), 190 states have call predecessors, (1304), 189 states have return successors, (1301), 1238 states have call predecessors, (1301), 1301 states have call successors, (1301) [2022-07-23 03:14:11,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4481 states to 4481 states and 6509 transitions. [2022-07-23 03:14:11,859 INFO L78 Accepts]: Start accepts. Automaton has 4481 states and 6509 transitions. Word has length 93 [2022-07-23 03:14:11,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:14:11,859 INFO L495 AbstractCegarLoop]: Abstraction has 4481 states and 6509 transitions. [2022-07-23 03:14:11,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-23 03:14:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 4481 states and 6509 transitions. [2022-07-23 03:14:11,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-23 03:14:11,868 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:14:11,869 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:14:11,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 03:14:11,869 INFO L420 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)] === [2022-07-23 03:14:11,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:14:11,870 INFO L85 PathProgramCache]: Analyzing trace with hash 546935987, now seen corresponding path program 1 times [2022-07-23 03:14:11,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:14:11,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058478639] [2022-07-23 03:14:11,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:14:11,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:14:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:14:12,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:14:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:14:12,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:14:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:14:12,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:14:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:14:12,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:14:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:14:12,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:14:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:14:12,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:14:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:14:12,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:14:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:14:12,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:14:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:14:12,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:14:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:14:12,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 03:14:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:14:12,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 03:14:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:14:12,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:14:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:14:12,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:14:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:14:12,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:14:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:14:12,696 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-23 03:14:12,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:14:12,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058478639] [2022-07-23 03:14:12,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058478639] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:14:12,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:14:12,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 03:14:12,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473023862] [2022-07-23 03:14:12,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:14:12,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 03:14:12,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:14:12,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 03:14:12,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:14:12,700 INFO L87 Difference]: Start difference. First operand 4481 states and 6509 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-23 03:14:16,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:14:18,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:14:31,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:14:38,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:14:40,768 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:14:45,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:14:51,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:15:14,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:15:14,511 INFO L93 Difference]: Finished difference Result 4866 states and 7200 transitions. [2022-07-23 03:15:14,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 03:15:14,518 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 5 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 93 [2022-07-23 03:15:14,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:15:14,553 INFO L225 Difference]: With dead ends: 4866 [2022-07-23 03:15:14,553 INFO L226 Difference]: Without dead ends: 4864 [2022-07-23 03:15:14,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-23 03:15:14,556 INFO L413 NwaCegarLoop]: 6274 mSDtfsCounter, 6387 mSDsluCounter, 15601 mSDsCounter, 0 mSdLazyCounter, 7409 mSolverCounterSat, 2049 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7303 SdHoareTripleChecker+Valid, 21875 SdHoareTripleChecker+Invalid, 9464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2049 IncrementalHoareTripleChecker+Valid, 7409 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.6s IncrementalHoareTripleChecker+Time [2022-07-23 03:15:14,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7303 Valid, 21875 Invalid, 9464 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2049 Valid, 7409 Invalid, 6 Unknown, 0 Unchecked, 60.6s Time] [2022-07-23 03:15:14,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4864 states. [2022-07-23 03:15:14,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4864 to 4644. [2022-07-23 03:15:14,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4644 states, 3097 states have (on average 1.3057797868905392) internal successors, (4044), 3261 states have internal predecessors, (4044), 1337 states have call successors, (1337), 208 states have call predecessors, (1337), 207 states have return successors, (1334), 1271 states have call predecessors, (1334), 1334 states have call successors, (1334) [2022-07-23 03:15:14,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4644 states to 4644 states and 6715 transitions. [2022-07-23 03:15:14,776 INFO L78 Accepts]: Start accepts. Automaton has 4644 states and 6715 transitions. Word has length 93 [2022-07-23 03:15:14,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:15:14,778 INFO L495 AbstractCegarLoop]: Abstraction has 4644 states and 6715 transitions. [2022-07-23 03:15:14,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-23 03:15:14,779 INFO L276 IsEmpty]: Start isEmpty. Operand 4644 states and 6715 transitions. [2022-07-23 03:15:14,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-23 03:15:14,782 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:15:14,782 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:15:14,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 03:15:14,782 INFO L420 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)] === [2022-07-23 03:15:14,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:15:14,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1658310587, now seen corresponding path program 1 times [2022-07-23 03:15:14,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:15:14,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627518038] [2022-07-23 03:15:14,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:15:14,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:15:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:15:15,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:15:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:15:15,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:15:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:15:15,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:15:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:15:15,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:15:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:15:15,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:15:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:15:15,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:15:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:15:15,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:15:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:15:15,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:15:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:15:15,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:15:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:15:15,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 03:15:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:15:15,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 03:15:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:15:15,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:15:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:15:15,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:15:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:15:15,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:15:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:15:15,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-23 03:15:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:15:15,639 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-23 03:15:15,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:15:15,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627518038] [2022-07-23 03:15:15,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627518038] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:15:15,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:15:15,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 03:15:15,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746766060] [2022-07-23 03:15:15,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:15:15,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 03:15:15,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:15:15,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 03:15:15,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:15:15,645 INFO L87 Difference]: Start difference. First operand 4644 states and 6715 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-23 03:15:19,404 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:15:34,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:15:37,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:15:38,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:15:40,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:15:43,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:16:00,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:16:00,483 INFO L93 Difference]: Finished difference Result 4870 states and 7203 transitions. [2022-07-23 03:16:00,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 03:16:00,484 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (14), 5 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 98 [2022-07-23 03:16:00,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:16:00,507 INFO L225 Difference]: With dead ends: 4870 [2022-07-23 03:16:00,508 INFO L226 Difference]: Without dead ends: 4868 [2022-07-23 03:16:00,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-23 03:16:00,511 INFO L413 NwaCegarLoop]: 6211 mSDtfsCounter, 7022 mSDsluCounter, 12921 mSDsCounter, 0 mSdLazyCounter, 5158 mSolverCounterSat, 3494 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7930 SdHoareTripleChecker+Valid, 19132 SdHoareTripleChecker+Invalid, 8656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3494 IncrementalHoareTripleChecker+Valid, 5158 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:16:00,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7930 Valid, 19132 Invalid, 8656 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3494 Valid, 5158 Invalid, 4 Unknown, 0 Unchecked, 43.9s Time] [2022-07-23 03:16:00,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4868 states. [2022-07-23 03:16:00,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4868 to 4648. [2022-07-23 03:16:00,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4648 states, 3100 states have (on average 1.3054838709677419) internal successors, (4047), 3264 states have internal predecessors, (4047), 1337 states have call successors, (1337), 209 states have call predecessors, (1337), 208 states have return successors, (1334), 1271 states have call predecessors, (1334), 1334 states have call successors, (1334) [2022-07-23 03:16:00,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4648 states to 4648 states and 6718 transitions. [2022-07-23 03:16:00,674 INFO L78 Accepts]: Start accepts. Automaton has 4648 states and 6718 transitions. Word has length 98 [2022-07-23 03:16:00,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:16:00,675 INFO L495 AbstractCegarLoop]: Abstraction has 4648 states and 6718 transitions. [2022-07-23 03:16:00,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-23 03:16:00,676 INFO L276 IsEmpty]: Start isEmpty. Operand 4648 states and 6718 transitions. [2022-07-23 03:16:00,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-23 03:16:00,680 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:16:00,680 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:16:00,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 03:16:00,681 INFO L420 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)] === [2022-07-23 03:16:00,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:16:00,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1828040333, now seen corresponding path program 1 times [2022-07-23 03:16:00,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:16:00,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847681614] [2022-07-23 03:16:00,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:16:00,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:16:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:16:01,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:16:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:16:01,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:16:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:16:01,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:16:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:16:01,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:16:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:16:01,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:16:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:16:01,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:16:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:16:01,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:16:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:16:01,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:16:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:16:01,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:16:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:16:01,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 03:16:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:16:01,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 03:16:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:16:01,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:16:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:16:01,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 03:16:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:16:01,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:16:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:16:01,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-23 03:16:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:16:01,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-23 03:16:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:16:01,343 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-07-23 03:16:01,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:16:01,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847681614] [2022-07-23 03:16:01,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847681614] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:16:01,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:16:01,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 03:16:01,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176851850] [2022-07-23 03:16:01,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:16:01,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 03:16:01,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:16:01,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 03:16:01,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:16:01,347 INFO L87 Difference]: Start difference. First operand 4648 states and 6718 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-23 03:16:05,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:16:07,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:16:20,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:16:27,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:16:29,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:16:33,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:16:35,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:16:37,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:16:39,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:16:41,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []