./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 35987657 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-?-3598765 [2022-07-21 14:28:14,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:28:14,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:28:14,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:28:14,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:28:14,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:28:14,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:28:15,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:28:15,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:28:15,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:28:15,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:28:15,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:28:15,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:28:15,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:28:15,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:28:15,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:28:15,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:28:15,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:28:15,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:28:15,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:28:15,027 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:28:15,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:28:15,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:28:15,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:28:15,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:28:15,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:28:15,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:28:15,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:28:15,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:28:15,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:28:15,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:28:15,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:28:15,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:28:15,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:28:15,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:28:15,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:28:15,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:28:15,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:28:15,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:28:15,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:28:15,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:28:15,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:28:15,060 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:28:15,082 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:28:15,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:28:15,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:28:15,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:28:15,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:28:15,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:28:15,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:28:15,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:28:15,085 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:28:15,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:28:15,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:28:15,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:28:15,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:28:15,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:28:15,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:28:15,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:28:15,087 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:28:15,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:28:15,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:28:15,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:28:15,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:28:15,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:28:15,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:28:15,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:28:15,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:28:15,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:28:15,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:28:15,089 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:28:15,089 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:28:15,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:28:15,090 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb901e431a7ee0706f0e51d89ec94e4336f8310f955de577abd9c91b26865dbf [2022-07-21 14:28:15,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:28:15,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:28:15,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:28:15,435 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:28:15,435 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:28:15,437 INFO L432 ainManager$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 [2022-07-21 14:28:15,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ff86edb1/c2d624f41c7749b39eaf35c640091ad9/FLAGa3970bca0 [2022-07-21 14:28:16,403 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:28:16,404 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 [2022-07-21 14:28:16,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ff86edb1/c2d624f41c7749b39eaf35c640091ad9/FLAGa3970bca0 [2022-07-21 14:28:16,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ff86edb1/c2d624f41c7749b39eaf35c640091ad9 [2022-07-21 14:28:16,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:28:16,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:28:16,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:28:16,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:28:16,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:28:16,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:28:16" (1/1) ... [2022-07-21 14:28:16,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c7ea0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:28:16, skipping insertion in model container [2022-07-21 14:28:16,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:28:16" (1/1) ... [2022-07-21 14:28:16,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:28:16,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:28:22,364 WARN L230 ndardFunctionHandler]: Function 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] [2022-07-21 14:28:22,367 WARN L230 ndardFunctionHandler]: Function 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] [2022-07-21 14:28:22,368 WARN L230 ndardFunctionHandler]: Function 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] [2022-07-21 14:28:22,368 WARN L230 ndardFunctionHandler]: Function 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] [2022-07-21 14:28:22,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:28:22,471 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:28:23,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620437,620450] [2022-07-21 14:28:23,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620606,620619] [2022-07-21 14:28:23,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620773,620786] [2022-07-21 14:28:23,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620941,620954] [2022-07-21 14:28:23,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:28:23,614 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:28:23,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:28:23 WrapperNode [2022-07-21 14:28:23,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:28:23,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:28:23,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:28:23,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:28:23,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:28:23" (1/1) ... [2022-07-21 14:28:23,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:28:23" (1/1) ... [2022-07-21 14:28:24,070 INFO L137 Inliner]: procedures = 699, calls = 6873, calls flagged for inlining = 322, calls inlined = 303, statements flattened = 13740 [2022-07-21 14:28:24,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:28:24,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:28:24,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:28:24,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:28:24,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:28:23" (1/1) ... [2022-07-21 14:28:24,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:28:23" (1/1) ... [2022-07-21 14:28:24,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:28:23" (1/1) ... [2022-07-21 14:28:24,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:28:23" (1/1) ... [2022-07-21 14:28:24,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:28:23" (1/1) ... [2022-07-21 14:28:24,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:28:23" (1/1) ... [2022-07-21 14:28:24,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:28:23" (1/1) ... [2022-07-21 14:28:24,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:28:24,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:28:24,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:28:24,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:28:24,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:28:23" (1/1) ... [2022-07-21 14:28:24,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:28:24,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:28:24,801 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) [2022-07-21 14:28:24,872 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 [2022-07-21 14:28:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2022-07-21 14:28:24,951 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2022-07-21 14:28:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2022-07-21 14:28:24,951 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2022-07-21 14:28:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-21 14:28:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2022-07-21 14:28:24,951 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2022-07-21 14:28:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-21 14:28:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2022-07-21 14:28:24,952 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2022-07-21 14:28:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-21 14:28:24,952 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-21 14:28:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2022-07-21 14:28:24,953 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2022-07-21 14:28:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:28:24,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:28:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2022-07-21 14:28:24,953 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2022-07-21 14:28:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 14:28:24,953 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 14:28:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:28:24,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:28:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2022-07-21 14:28:24,954 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2022-07-21 14:28:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2022-07-21 14:28:24,954 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2022-07-21 14:28:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 14:28:24,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 14:28:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2022-07-21 14:28:24,955 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2022-07-21 14:28:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2022-07-21 14:28:24,955 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2022-07-21 14:28:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-07-21 14:28:24,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-07-21 14:28:24,956 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-07-21 14:28:24,956 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-07-21 14:28:24,956 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 14:28:24,957 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 14:28:24,957 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2022-07-21 14:28:24,957 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2022-07-21 14:28:24,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2022-07-21 14:28:24,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2022-07-21 14:28:24,958 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2022-07-21 14:28:24,958 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2022-07-21 14:28:24,958 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2022-07-21 14:28:24,958 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2022-07-21 14:28:24,958 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 14:28:24,959 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 14:28:24,959 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2022-07-21 14:28:24,959 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2022-07-21 14:28:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-07-21 14:28:24,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-07-21 14:28:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-07-21 14:28:24,960 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-07-21 14:28:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-21 14:28:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-21 14:28:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2022-07-21 14:28:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2022-07-21 14:28:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-21 14:28:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2022-07-21 14:28:24,962 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2022-07-21 14:28:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 14:28:24,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 14:28:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:28:24,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:28:24,963 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-07-21 14:28:24,963 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-07-21 14:28:24,963 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2022-07-21 14:28:24,963 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2022-07-21 14:28:24,963 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-21 14:28:24,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-21 14:28:24,964 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 14:28:24,964 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 14:28:24,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:28:24,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:28:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2022-07-21 14:28:24,965 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2022-07-21 14:28:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2022-07-21 14:28:24,965 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2022-07-21 14:28:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:28:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 14:28:24,966 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 14:28:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2022-07-21 14:28:24,979 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2022-07-21 14:28:24,980 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2022-07-21 14:28:24,980 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2022-07-21 14:28:24,980 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-21 14:28:24,980 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-21 14:28:24,981 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2022-07-21 14:28:24,981 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2022-07-21 14:28:24,981 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 14:28:24,981 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 14:28:24,982 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 14:28:24,982 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 14:28:24,982 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 14:28:24,982 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 14:28:24,982 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2022-07-21 14:28:24,982 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2022-07-21 14:28:24,982 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-21 14:28:24,982 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-21 14:28:24,983 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2022-07-21 14:28:24,983 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2022-07-21 14:28:24,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 14:28:24,983 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-21 14:28:24,983 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-21 14:28:24,983 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2022-07-21 14:28:24,983 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2022-07-21 14:28:24,983 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 14:28:24,983 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 14:28:24,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-21 14:28:24,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-21 14:28:24,983 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 14:28:24,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 14:28:24,984 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2022-07-21 14:28:24,984 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2022-07-21 14:28:24,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 14:28:24,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:28:24,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:28:24,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 14:28:24,984 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2022-07-21 14:28:24,984 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2022-07-21 14:28:24,984 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2022-07-21 14:28:24,984 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2022-07-21 14:28:24,984 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2022-07-21 14:28:24,984 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2022-07-21 14:28:24,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:28:24,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:28:24,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 14:28:24,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 14:28:24,985 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2022-07-21 14:28:24,985 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2022-07-21 14:28:24,985 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-07-21 14:28:24,985 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-07-21 14:28:24,985 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-07-21 14:28:24,985 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-07-21 14:28:24,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:28:24,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:28:24,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2022-07-21 14:28:24,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2022-07-21 14:28:24,985 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 14:28:24,985 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 14:28:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 14:28:24,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 14:28:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 14:28:24,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 14:28:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-21 14:28:24,986 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-21 14:28:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 14:28:24,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 14:28:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2022-07-21 14:28:24,986 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2022-07-21 14:28:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2022-07-21 14:28:24,986 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2022-07-21 14:28:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:28:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-07-21 14:28:24,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-07-21 14:28:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2022-07-21 14:28:24,987 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2022-07-21 14:28:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:28:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:28:24,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:28:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 14:28:24,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 14:28:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:28:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2022-07-21 14:28:24,987 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2022-07-21 14:28:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 14:28:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2022-07-21 14:28:24,987 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2022-07-21 14:28:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-07-21 14:28:24,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-07-21 14:28:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:28:24,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:28:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-21 14:28:24,988 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-21 14:28:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2022-07-21 14:28:24,988 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2022-07-21 14:28:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-21 14:28:24,988 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-21 14:28:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-21 14:28:24,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-21 14:28:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2022-07-21 14:28:24,989 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2022-07-21 14:28:24,989 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 14:28:24,989 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 14:28:24,989 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2022-07-21 14:28:24,989 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2022-07-21 14:28:24,989 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-21 14:28:24,989 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-21 14:28:24,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 14:28:24,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 14:28:24,989 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2022-07-21 14:28:24,989 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2022-07-21 14:28:24,989 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2022-07-21 14:28:24,989 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2022-07-21 14:28:24,989 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 14:28:24,990 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 14:28:24,990 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2022-07-21 14:28:24,990 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2022-07-21 14:28:24,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:28:24,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:28:24,990 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2022-07-21 14:28:24,990 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2022-07-21 14:28:24,990 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 14:28:24,990 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 14:28:24,990 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-07-21 14:28:24,990 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-07-21 14:28:24,990 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 14:28:24,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 14:28:24,990 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2022-07-21 14:28:24,991 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2022-07-21 14:28:24,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-21 14:28:24,991 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-21 14:28:24,991 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 14:28:24,991 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 14:28:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-07-21 14:28:24,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-07-21 14:28:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2022-07-21 14:28:24,994 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2022-07-21 14:28:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-21 14:28:24,994 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-21 14:28:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:28:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:28:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:28:24,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:28:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-07-21 14:28:24,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-07-21 14:28:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-07-21 14:28:24,996 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-07-21 14:28:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 14:28:24,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 14:28:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 14:28:24,996 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 14:28:24,996 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2022-07-21 14:28:24,996 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2022-07-21 14:28:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2022-07-21 14:28:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2022-07-21 14:28:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2022-07-21 14:28:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2022-07-21 14:28:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2022-07-21 14:28:24,998 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2022-07-21 14:28:25,016 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-07-21 14:28:25,016 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-07-21 14:28:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2022-07-21 14:28:25,017 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2022-07-21 14:28:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 14:28:25,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 14:28:25,018 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2022-07-21 14:28:25,018 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2022-07-21 14:28:25,019 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 14:28:25,023 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 14:28:25,024 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2022-07-21 14:28:25,024 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2022-07-21 14:28:25,024 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-21 14:28:25,024 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-21 14:28:25,024 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2022-07-21 14:28:25,024 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2022-07-21 14:28:25,025 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 14:28:25,025 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 14:28:25,025 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 14:28:25,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 14:28:25,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:28:25,025 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 14:28:25,025 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 14:28:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2022-07-21 14:28:25,026 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2022-07-21 14:28:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-07-21 14:28:25,026 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-07-21 14:28:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:28:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-21 14:28:25,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-21 14:28:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2022-07-21 14:28:25,027 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2022-07-21 14:28:25,027 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2022-07-21 14:28:25,027 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2022-07-21 14:28:25,027 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-21 14:28:25,027 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-21 14:28:25,027 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2022-07-21 14:28:25,027 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2022-07-21 14:28:25,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-21 14:28:25,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-21 14:28:25,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:28:25,028 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-21 14:28:25,028 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-21 14:28:25,028 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2022-07-21 14:28:25,028 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2022-07-21 14:28:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2022-07-21 14:28:25,029 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2022-07-21 14:28:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 14:28:25,029 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 14:28:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 14:28:25,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 14:28:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2022-07-21 14:28:25,029 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2022-07-21 14:28:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-21 14:28:25,030 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-21 14:28:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:28:25,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:28:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2022-07-21 14:28:25,030 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2022-07-21 14:28:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2022-07-21 14:28:25,031 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2022-07-21 14:28:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 14:28:25,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 14:28:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-21 14:28:25,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-21 14:28:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2022-07-21 14:28:25,031 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2022-07-21 14:28:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2022-07-21 14:28:25,032 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2022-07-21 14:28:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 14:28:25,032 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 14:28:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2022-07-21 14:28:25,032 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2022-07-21 14:28:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2022-07-21 14:28:25,032 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2022-07-21 14:28:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 14:28:25,033 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 14:28:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 14:28:25,033 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 14:28:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2022-07-21 14:28:25,033 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2022-07-21 14:28:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2022-07-21 14:28:25,034 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2022-07-21 14:28:25,034 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2022-07-21 14:28:25,034 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2022-07-21 14:28:25,034 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 14:28:25,034 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 14:28:25,034 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-21 14:28:25,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-21 14:28:25,034 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 14:28:25,035 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 14:28:25,035 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-07-21 14:28:25,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2022-07-21 14:28:25,035 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2022-07-21 14:28:25,035 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2022-07-21 14:28:25,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 14:28:25,035 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2022-07-21 14:28:25,036 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2022-07-21 14:28:25,036 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2022-07-21 14:28:25,036 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2022-07-21 14:28:25,036 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-21 14:28:25,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-21 14:28:25,036 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-21 14:28:25,036 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-21 14:28:25,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:28:25,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:28:25,037 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2022-07-21 14:28:25,037 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2022-07-21 14:28:25,037 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-07-21 14:28:25,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-07-21 14:28:25,037 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2022-07-21 14:28:25,037 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2022-07-21 14:28:25,038 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 14:28:25,038 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 14:28:25,038 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-21 14:28:25,038 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-21 14:28:25,038 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2022-07-21 14:28:25,038 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2022-07-21 14:28:25,038 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-21 14:28:25,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-21 14:28:25,039 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-07-21 14:28:25,039 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-07-21 14:28:25,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:28:25,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:28:25,039 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2022-07-21 14:28:25,039 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2022-07-21 14:28:25,040 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2022-07-21 14:28:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2022-07-21 14:28:25,043 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 14:28:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 14:28:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2022-07-21 14:28:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2022-07-21 14:28:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2022-07-21 14:28:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2022-07-21 14:28:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2022-07-21 14:28:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2022-07-21 14:28:25,045 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-21 14:28:25,046 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-21 14:28:25,046 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2022-07-21 14:28:25,046 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2022-07-21 14:28:25,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 14:28:25,046 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-07-21 14:28:25,046 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-07-21 14:28:25,046 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-21 14:28:25,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-21 14:28:25,047 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2022-07-21 14:28:25,047 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2022-07-21 14:28:25,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:28:25,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:28:25,047 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2022-07-21 14:28:25,047 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2022-07-21 14:28:25,047 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-21 14:28:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-21 14:28:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2022-07-21 14:28:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2022-07-21 14:28:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2022-07-21 14:28:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2022-07-21 14:28:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2022-07-21 14:28:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2022-07-21 14:28:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2022-07-21 14:28:25,049 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2022-07-21 14:28:26,440 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:28:26,444 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:28:26,751 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:29:07,872 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:29:07,904 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:29:07,905 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-21 14:29:07,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:29:07 BoogieIcfgContainer [2022-07-21 14:29:07,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:29:07,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:29:07,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:29:07,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:29:07,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:28:16" (1/3) ... [2022-07-21 14:29:07,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@315272f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:29:07, skipping insertion in model container [2022-07-21 14:29:07,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:28:23" (2/3) ... [2022-07-21 14:29:07,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@315272f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:29:07, skipping insertion in model container [2022-07-21 14:29:07,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:29:07" (3/3) ... [2022-07-21 14:29:07,921 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2022-07-21 14:29:07,936 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:29:07,936 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-21 14:29:08,059 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:29:08,066 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@4372951e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@56d34cca [2022-07-21 14:29:08,066 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-21 14:29:08,080 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) [2022-07-21 14:29:08,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-21 14:29:08,090 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:29:08,091 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] [2022-07-21 14:29:08,092 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)] === [2022-07-21 14:29:08,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:29:08,096 INFO L85 PathProgramCache]: Analyzing trace with hash 272176373, now seen corresponding path program 1 times [2022-07-21 14:29:08,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:29:08,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115485007] [2022-07-21 14:29:08,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:29:08,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:29:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:29:08,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:29:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:29:08,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:29:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:29:08,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:29:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:29:08,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:29:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:29:08,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:29:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:29:09,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:29:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:29:09,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:29:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:29:09,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:29:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:29:09,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:29:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:29:09,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 14:29:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:29:09,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 14:29:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:29:09,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:29:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:29:09,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 14:29:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:29:09,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 14:29:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:29:09,177 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-21 14:29:09,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:29:09,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115485007] [2022-07-21 14:29:09,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115485007] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:29:09,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:29:09,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:29:09,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081772945] [2022-07-21 14:29:09,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:29:09,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:29:09,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:29:09,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:29:09,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:29:09,219 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) [2022-07-21 14:29:12,374 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 [] [2022-07-21 14:29:14,390 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:29:22,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:29:27,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:29:29,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:29:32,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:29:34,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:29:36,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:29:38,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:29:43,469 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 [] [2022-07-21 14:30:00,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:30:00,996 INFO L93 Difference]: Finished difference Result 9951 states and 15150 transitions. [2022-07-21 14:30:01,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:30:01,001 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 [2022-07-21 14:30:01,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:30:01,069 INFO L225 Difference]: With dead ends: 9951 [2022-07-21 14:30:01,069 INFO L226 Difference]: Without dead ends: 5458 [2022-07-21 14:30:01,116 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 [2022-07-21 14:30:01,121 INFO L413 NwaCegarLoop]: 7392 mSDtfsCounter, 1746 mSDsluCounter, 11992 mSDsCounter, 0 mSdLazyCounter, 5500 mSolverCounterSat, 1427 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2349 SdHoareTripleChecker+Valid, 19384 SdHoareTripleChecker+Invalid, 6935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1427 IncrementalHoareTripleChecker+Valid, 5500 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.8s IncrementalHoareTripleChecker+Time [2022-07-21 14:30:01,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2349 Valid, 19384 Invalid, 6935 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1427 Valid, 5500 Invalid, 8 Unknown, 0 Unchecked, 50.8s Time] [2022-07-21 14:30:01,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5458 states. [2022-07-21 14:30:01,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5458 to 4481. [2022-07-21 14:30:01,465 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) [2022-07-21 14:30:01,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4481 states to 4481 states and 6509 transitions. [2022-07-21 14:30:01,519 INFO L78 Accepts]: Start accepts. Automaton has 4481 states and 6509 transitions. Word has length 93 [2022-07-21 14:30:01,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:30:01,520 INFO L495 AbstractCegarLoop]: Abstraction has 4481 states and 6509 transitions. [2022-07-21 14:30:01,520 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) [2022-07-21 14:30:01,521 INFO L276 IsEmpty]: Start isEmpty. Operand 4481 states and 6509 transitions. [2022-07-21 14:30:01,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-21 14:30:01,530 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:30:01,531 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] [2022-07-21 14:30:01,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 14:30:01,532 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)] === [2022-07-21 14:30:01,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:30:01,533 INFO L85 PathProgramCache]: Analyzing trace with hash 546935987, now seen corresponding path program 1 times [2022-07-21 14:30:01,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:30:01,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401074679] [2022-07-21 14:30:01,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:30:01,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:30:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:30:02,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:30:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:30:02,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:30:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:30:02,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:30:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:30:02,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:30:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:30:02,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:30:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:30:02,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:30:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:30:02,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:30:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:30:02,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:30:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:30:02,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:30:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:30:02,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 14:30:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:30:02,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 14:30:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:30:02,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:30:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:30:02,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 14:30:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:30:02,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 14:30:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:30:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-21 14:30:02,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:30:02,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401074679] [2022-07-21 14:30:02,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401074679] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:30:02,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:30:02,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:30:02,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640507515] [2022-07-21 14:30:02,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:30:02,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:30:02,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:30:02,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:30:02,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:30:02,617 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) [2022-07-21 14:30:06,575 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 [] [2022-07-21 14:30:08,591 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:30:20,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:30:26,360 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:30:28,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:30:32,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:30:38,146 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:30:39,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:31:01,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:31:01,719 INFO L93 Difference]: Finished difference Result 4866 states and 7200 transitions. [2022-07-21 14:31:01,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 14:31:01,719 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 [2022-07-21 14:31:01,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:31:01,759 INFO L225 Difference]: With dead ends: 4866 [2022-07-21 14:31:01,760 INFO L226 Difference]: Without dead ends: 4864 [2022-07-21 14:31:01,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-21 14:31:01,764 INFO L413 NwaCegarLoop]: 6269 mSDtfsCounter, 6387 mSDsluCounter, 15593 mSDsCounter, 0 mSdLazyCounter, 7396 mSolverCounterSat, 2049 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7308 SdHoareTripleChecker+Valid, 21862 SdHoareTripleChecker+Invalid, 9452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2049 IncrementalHoareTripleChecker+Valid, 7396 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.9s IncrementalHoareTripleChecker+Time [2022-07-21 14:31:01,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7308 Valid, 21862 Invalid, 9452 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2049 Valid, 7396 Invalid, 7 Unknown, 0 Unchecked, 57.9s Time] [2022-07-21 14:31:01,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4864 states. [2022-07-21 14:31:01,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4864 to 4644. [2022-07-21 14:31:01,969 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) [2022-07-21 14:31:02,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4644 states to 4644 states and 6715 transitions. [2022-07-21 14:31:02,001 INFO L78 Accepts]: Start accepts. Automaton has 4644 states and 6715 transitions. Word has length 93 [2022-07-21 14:31:02,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:31:02,004 INFO L495 AbstractCegarLoop]: Abstraction has 4644 states and 6715 transitions. [2022-07-21 14:31:02,005 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) [2022-07-21 14:31:02,005 INFO L276 IsEmpty]: Start isEmpty. Operand 4644 states and 6715 transitions. [2022-07-21 14:31:02,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-21 14:31:02,008 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:31:02,009 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] [2022-07-21 14:31:02,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 14:31:02,009 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)] === [2022-07-21 14:31:02,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:31:02,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1658310587, now seen corresponding path program 1 times [2022-07-21 14:31:02,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:31:02,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101552373] [2022-07-21 14:31:02,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:31:02,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:31:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:02,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:31:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:02,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:31:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:02,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:31:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:02,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:31:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:02,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:31:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:02,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:31:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:02,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:31:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:02,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:31:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:02,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:31:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:02,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 14:31:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:02,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 14:31:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:02,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:31:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:02,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 14:31:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:02,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 14:31:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:02,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 14:31:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:02,910 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-21 14:31:02,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:31:02,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101552373] [2022-07-21 14:31:02,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101552373] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:31:02,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:31:02,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:31:02,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748294922] [2022-07-21 14:31:02,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:31:02,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:31:02,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:31:02,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:31:02,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:31:02,916 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) [2022-07-21 14:31:07,025 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 [] [2022-07-21 14:31:21,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:31:24,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:31:25,841 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:31:26,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:31:28,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:31:31,996 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:31:45,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:31:45,498 INFO L93 Difference]: Finished difference Result 4870 states and 7203 transitions. [2022-07-21 14:31:45,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 14:31:45,499 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 [2022-07-21 14:31:45,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:31:45,534 INFO L225 Difference]: With dead ends: 4870 [2022-07-21 14:31:45,535 INFO L226 Difference]: Without dead ends: 4868 [2022-07-21 14:31:45,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-21 14:31:45,542 INFO L413 NwaCegarLoop]: 6225 mSDtfsCounter, 7020 mSDsluCounter, 12952 mSDsCounter, 0 mSdLazyCounter, 5172 mSolverCounterSat, 3493 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7916 SdHoareTripleChecker+Valid, 19177 SdHoareTripleChecker+Invalid, 8667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3493 IncrementalHoareTripleChecker+Valid, 5172 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:31:45,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7916 Valid, 19177 Invalid, 8667 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3493 Valid, 5172 Invalid, 2 Unknown, 0 Unchecked, 41.5s Time] [2022-07-21 14:31:45,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4868 states. [2022-07-21 14:31:45,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4868 to 4648. [2022-07-21 14:31:45,726 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) [2022-07-21 14:31:45,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4648 states to 4648 states and 6718 transitions. [2022-07-21 14:31:45,753 INFO L78 Accepts]: Start accepts. Automaton has 4648 states and 6718 transitions. Word has length 98 [2022-07-21 14:31:45,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:31:45,755 INFO L495 AbstractCegarLoop]: Abstraction has 4648 states and 6718 transitions. [2022-07-21 14:31:45,755 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) [2022-07-21 14:31:45,756 INFO L276 IsEmpty]: Start isEmpty. Operand 4648 states and 6718 transitions. [2022-07-21 14:31:45,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-21 14:31:45,761 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:31:45,761 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] [2022-07-21 14:31:45,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 14:31:45,762 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)] === [2022-07-21 14:31:45,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:31:45,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1828040333, now seen corresponding path program 1 times [2022-07-21 14:31:45,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:31:45,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458706551] [2022-07-21 14:31:45,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:31:45,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:31:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:46,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:31:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:46,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:31:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:46,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:31:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:46,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:31:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:46,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:31:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:46,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:31:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:46,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:31:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:46,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:31:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:46,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:31:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:46,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 14:31:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:46,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 14:31:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:46,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:31:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:46,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 14:31:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 14:31:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:46,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 14:31:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:46,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 14:31:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:31:46,654 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-07-21 14:31:46,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:31:46,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458706551] [2022-07-21 14:31:46,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458706551] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:31:46,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:31:46,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:31:46,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800452409] [2022-07-21 14:31:46,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:31:46,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:31:46,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:31:46,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:31:46,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:31:46,657 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) [2022-07-21 14:31:50,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:31:52,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:32:06,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:32:12,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:32:14,924 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:32:19,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:32:20,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:32:22,968 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []