./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 6c24879c 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-?-6c24879 [2022-07-12 15:54:47,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:54:47,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:54:47,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:54:47,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:54:47,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:54:47,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:54:47,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:54:47,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:54:47,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:54:47,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:54:47,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:54:47,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:54:47,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:54:47,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:54:47,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:54:47,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:54:47,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:54:47,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:54:47,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:54:47,658 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:54:47,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:54:47,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:54:47,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:54:47,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:54:47,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:54:47,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:54:47,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:54:47,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:54:47,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:54:47,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:54:47,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:54:47,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:54:47,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:54:47,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:54:47,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:54:47,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:54:47,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:54:47,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:54:47,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:54:47,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:54:47,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:54:47,680 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 15:54:47,700 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:54:47,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:54:47,701 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:54:47,701 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:54:47,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:54:47,702 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:54:47,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:54:47,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:54:47,702 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:54:47,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:54:47,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 15:54:47,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:54:47,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:54:47,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:54:47,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:54:47,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:54:47,704 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:54:47,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:54:47,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:54:47,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:54:47,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:54:47,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:54:47,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:54:47,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:54:47,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:54:47,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 15:54:47,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 15:54:47,706 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:54:47,706 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:54:47,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:54:47,707 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb901e431a7ee0706f0e51d89ec94e4336f8310f955de577abd9c91b26865dbf [2022-07-12 15:54:47,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:54:47,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:54:47,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:54:47,953 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:54:47,953 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:54:47,955 INFO L432 ainManager$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 [2022-07-12 15:54:48,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/765b0c75e/a7274025226a4864ba88dd23fb4a0aab/FLAG73b7dd6c2 [2022-07-12 15:54:48,848 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:54:48,849 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 [2022-07-12 15:54:48,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/765b0c75e/a7274025226a4864ba88dd23fb4a0aab/FLAG73b7dd6c2 [2022-07-12 15:54:49,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/765b0c75e/a7274025226a4864ba88dd23fb4a0aab [2022-07-12 15:54:49,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:54:49,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:54:49,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:54:49,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:54:49,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:54:49,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:54:49" (1/1) ... [2022-07-12 15:54:49,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f194170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:54:49, skipping insertion in model container [2022-07-12 15:54:49,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:54:49" (1/1) ... [2022-07-12 15:54:49,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:54:49,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:54:54,966 WARN L230 ndardFunctionHandler]: Function 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] [2022-07-12 15:54:54,969 WARN L230 ndardFunctionHandler]: Function 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] [2022-07-12 15:54:54,969 WARN L230 ndardFunctionHandler]: Function 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] [2022-07-12 15:54:54,969 WARN L230 ndardFunctionHandler]: Function 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] [2022-07-12 15:54:54,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:54:55,029 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:54:55,436 WARN L230 ndardFunctionHandler]: Function 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] [2022-07-12 15:54:55,437 WARN L230 ndardFunctionHandler]: Function 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] [2022-07-12 15:54:55,437 WARN L230 ndardFunctionHandler]: Function 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] [2022-07-12 15:54:55,437 WARN L230 ndardFunctionHandler]: Function 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] [2022-07-12 15:54:55,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:54:55,760 INFO L208 MainTranslator]: Completed translation [2022-07-12 15:54:55,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:54:55 WrapperNode [2022-07-12 15:54:55,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 15:54:55,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 15:54:55,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 15:54:55,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 15:54:55,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:54:55" (1/1) ... [2022-07-12 15:54:55,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:54:55" (1/1) ... [2022-07-12 15:54:56,305 INFO L137 Inliner]: procedures = 699, calls = 6873, calls flagged for inlining = 322, calls inlined = 303, statements flattened = 13740 [2022-07-12 15:54:56,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 15:54:56,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 15:54:56,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 15:54:56,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 15:54:56,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:54:55" (1/1) ... [2022-07-12 15:54:56,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:54:55" (1/1) ... [2022-07-12 15:54:56,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:54:55" (1/1) ... [2022-07-12 15:54:56,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:54:55" (1/1) ... [2022-07-12 15:54:56,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:54:55" (1/1) ... [2022-07-12 15:54:56,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:54:55" (1/1) ... [2022-07-12 15:54:56,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:54:55" (1/1) ... [2022-07-12 15:54:56,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 15:54:56,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 15:54:56,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 15:54:56,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 15:54:56,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:54:55" (1/1) ... [2022-07-12 15:54:56,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:54:57,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:54:57,023 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) [2022-07-12 15:54:57,048 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 [2022-07-12 15:54:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2022-07-12 15:54:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2022-07-12 15:54:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2022-07-12 15:54:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2022-07-12 15:54:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-12 15:54:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2022-07-12 15:54:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2022-07-12 15:54:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-12 15:54:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2022-07-12 15:54:57,066 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2022-07-12 15:54:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-12 15:54:57,066 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-12 15:54:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2022-07-12 15:54:57,066 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2022-07-12 15:54:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 15:54:57,066 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 15:54:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2022-07-12 15:54:57,067 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2022-07-12 15:54:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 15:54:57,067 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 15:54:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 15:54:57,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 15:54:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2022-07-12 15:54:57,067 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2022-07-12 15:54:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2022-07-12 15:54:57,068 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2022-07-12 15:54:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 15:54:57,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 15:54:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2022-07-12 15:54:57,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2022-07-12 15:54:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2022-07-12 15:54:57,069 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2022-07-12 15:54:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-07-12 15:54:57,069 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-07-12 15:54:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-07-12 15:54:57,069 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-07-12 15:54:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 15:54:57,069 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 15:54:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2022-07-12 15:54:57,070 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2022-07-12 15:54:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2022-07-12 15:54:57,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2022-07-12 15:54:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2022-07-12 15:54:57,071 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2022-07-12 15:54:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2022-07-12 15:54:57,071 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2022-07-12 15:54:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 15:54:57,071 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 15:54:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2022-07-12 15:54:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2022-07-12 15:54:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-07-12 15:54:57,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-07-12 15:54:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-07-12 15:54:57,073 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-07-12 15:54:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-12 15:54:57,073 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-12 15:54:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2022-07-12 15:54:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2022-07-12 15:54:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-12 15:54:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2022-07-12 15:54:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2022-07-12 15:54:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 15:54:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 15:54:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 15:54:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 15:54:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-07-12 15:54:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-07-12 15:54:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2022-07-12 15:54:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2022-07-12 15:54:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-12 15:54:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-12 15:54:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 15:54:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 15:54:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 15:54:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 15:54:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2022-07-12 15:54:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2022-07-12 15:54:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2022-07-12 15:54:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2022-07-12 15:54:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 15:54:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 15:54:57,077 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 15:54:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2022-07-12 15:54:57,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2022-07-12 15:54:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2022-07-12 15:54:57,078 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2022-07-12 15:54:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-12 15:54:57,078 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-12 15:54:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2022-07-12 15:54:57,079 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2022-07-12 15:54:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 15:54:57,079 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 15:54:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 15:54:57,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 15:54:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 15:54:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 15:54:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2022-07-12 15:54:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2022-07-12 15:54:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-12 15:54:57,080 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-12 15:54:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2022-07-12 15:54:57,081 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2022-07-12 15:54:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 15:54:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-12 15:54:57,081 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-12 15:54:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2022-07-12 15:54:57,081 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2022-07-12 15:54:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 15:54:57,082 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 15:54:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-12 15:54:57,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-12 15:54:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 15:54:57,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 15:54:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2022-07-12 15:54:57,083 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2022-07-12 15:54:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 15:54:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 15:54:57,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 15:54:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 15:54:57,083 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2022-07-12 15:54:57,083 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2022-07-12 15:54:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2022-07-12 15:54:57,084 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2022-07-12 15:54:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2022-07-12 15:54:57,084 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2022-07-12 15:54:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 15:54:57,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 15:54:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 15:54:57,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 15:54:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2022-07-12 15:54:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2022-07-12 15:54:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-07-12 15:54:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-07-12 15:54:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-07-12 15:54:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-07-12 15:54:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 15:54:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 15:54:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2022-07-12 15:54:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2022-07-12 15:54:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 15:54:57,086 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 15:54:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 15:54:57,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 15:54:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 15:54:57,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 15:54:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-12 15:54:57,086 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-12 15:54:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 15:54:57,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 15:54:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2022-07-12 15:54:57,087 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2022-07-12 15:54:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2022-07-12 15:54:57,087 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2022-07-12 15:54:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 15:54:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-07-12 15:54:57,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-07-12 15:54:57,087 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2022-07-12 15:54:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2022-07-12 15:54:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 15:54:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 15:54:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 15:54:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 15:54:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 15:54:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 15:54:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2022-07-12 15:54:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2022-07-12 15:54:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 15:54:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2022-07-12 15:54:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2022-07-12 15:54:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-07-12 15:54:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-07-12 15:54:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 15:54:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 15:54:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-12 15:54:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-12 15:54:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2022-07-12 15:54:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2022-07-12 15:54:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-12 15:54:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-12 15:54:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 15:54:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 15:54:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2022-07-12 15:54:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2022-07-12 15:54:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 15:54:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 15:54:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2022-07-12 15:54:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2022-07-12 15:54:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-12 15:54:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-12 15:54:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 15:54:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 15:54:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2022-07-12 15:54:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2022-07-12 15:54:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2022-07-12 15:54:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2022-07-12 15:54:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 15:54:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 15:54:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2022-07-12 15:54:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2022-07-12 15:54:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 15:54:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 15:54:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2022-07-12 15:54:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2022-07-12 15:54:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 15:54:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 15:54:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-07-12 15:54:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-07-12 15:54:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 15:54:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 15:54:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2022-07-12 15:54:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2022-07-12 15:54:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-12 15:54:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-12 15:54:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 15:54:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 15:54:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-07-12 15:54:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-07-12 15:54:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2022-07-12 15:54:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2022-07-12 15:54:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-12 15:54:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-12 15:54:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 15:54:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 15:54:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 15:54:57,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 15:54:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-07-12 15:54:57,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-07-12 15:54:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-07-12 15:54:57,095 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-07-12 15:54:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 15:54:57,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 15:54:57,096 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 15:54:57,096 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 15:54:57,096 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2022-07-12 15:54:57,096 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2022-07-12 15:54:57,096 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2022-07-12 15:54:57,096 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2022-07-12 15:54:57,096 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2022-07-12 15:54:57,096 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2022-07-12 15:54:57,096 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2022-07-12 15:54:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2022-07-12 15:54:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-07-12 15:54:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-07-12 15:54:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2022-07-12 15:54:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2022-07-12 15:54:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 15:54:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 15:54:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2022-07-12 15:54:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2022-07-12 15:54:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 15:54:57,098 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 15:54:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2022-07-12 15:54:57,098 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2022-07-12 15:54:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-12 15:54:57,098 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-12 15:54:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2022-07-12 15:54:57,098 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2022-07-12 15:54:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 15:54:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 15:54:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-12 15:54:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-12 15:54:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 15:54:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 15:54:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 15:54:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2022-07-12 15:54:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2022-07-12 15:54:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-07-12 15:54:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-07-12 15:54:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 15:54:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-12 15:54:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-12 15:54:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2022-07-12 15:54:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2022-07-12 15:54:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2022-07-12 15:54:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2022-07-12 15:54:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-12 15:54:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-12 15:54:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2022-07-12 15:54:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2022-07-12 15:54:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-12 15:54:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-12 15:54:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 15:54:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-12 15:54:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-12 15:54:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2022-07-12 15:54:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2022-07-12 15:54:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2022-07-12 15:54:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2022-07-12 15:54:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 15:54:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 15:54:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 15:54:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 15:54:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2022-07-12 15:54:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2022-07-12 15:54:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-12 15:54:57,103 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-12 15:54:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 15:54:57,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 15:54:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2022-07-12 15:54:57,103 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2022-07-12 15:54:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2022-07-12 15:54:57,103 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2022-07-12 15:54:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 15:54:57,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 15:54:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-12 15:54:57,104 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-12 15:54:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2022-07-12 15:54:57,104 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2022-07-12 15:54:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2022-07-12 15:54:57,104 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2022-07-12 15:54:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 15:54:57,104 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 15:54:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2022-07-12 15:54:57,104 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2022-07-12 15:54:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2022-07-12 15:54:57,105 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2022-07-12 15:54:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 15:54:57,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 15:54:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 15:54:57,105 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 15:54:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2022-07-12 15:54:57,105 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2022-07-12 15:54:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2022-07-12 15:54:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2022-07-12 15:54:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2022-07-12 15:54:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2022-07-12 15:54:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 15:54:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 15:54:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-12 15:54:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-12 15:54:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 15:54:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 15:54:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-07-12 15:54:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2022-07-12 15:54:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2022-07-12 15:54:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2022-07-12 15:54:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 15:54:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2022-07-12 15:54:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2022-07-12 15:54:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2022-07-12 15:54:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2022-07-12 15:54:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-12 15:54:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-12 15:54:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-12 15:54:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-12 15:54:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 15:54:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 15:54:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2022-07-12 15:54:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2022-07-12 15:54:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-07-12 15:54:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-07-12 15:54:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2022-07-12 15:54:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2022-07-12 15:54:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-12 15:54:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-12 15:54:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-12 15:54:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-12 15:54:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2022-07-12 15:54:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2022-07-12 15:54:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-12 15:54:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-12 15:54:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-07-12 15:54:57,110 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-07-12 15:54:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 15:54:57,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 15:54:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2022-07-12 15:54:57,110 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2022-07-12 15:54:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2022-07-12 15:54:57,110 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2022-07-12 15:54:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-12 15:54:57,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-12 15:54:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2022-07-12 15:54:57,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2022-07-12 15:54:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2022-07-12 15:54:57,111 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2022-07-12 15:54:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2022-07-12 15:54:57,111 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2022-07-12 15:54:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-12 15:54:57,112 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-12 15:54:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2022-07-12 15:54:57,112 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2022-07-12 15:54:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 15:54:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-07-12 15:54:57,112 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-07-12 15:54:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-12 15:54:57,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-12 15:54:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2022-07-12 15:54:57,112 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2022-07-12 15:54:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 15:54:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 15:54:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2022-07-12 15:54:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2022-07-12 15:54:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-12 15:54:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-12 15:54:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2022-07-12 15:54:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2022-07-12 15:54:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2022-07-12 15:54:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2022-07-12 15:54:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2022-07-12 15:54:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2022-07-12 15:54:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2022-07-12 15:54:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2022-07-12 15:54:58,401 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 15:54:58,404 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 15:54:58,678 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 15:55:42,772 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 15:55:42,806 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 15:55:42,806 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-12 15:55:42,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:55:42 BoogieIcfgContainer [2022-07-12 15:55:42,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 15:55:42,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 15:55:42,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 15:55:42,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 15:55:42,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:54:49" (1/3) ... [2022-07-12 15:55:42,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55028ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:55:42, skipping insertion in model container [2022-07-12 15:55:42,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:54:55" (2/3) ... [2022-07-12 15:55:42,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55028ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:55:42, skipping insertion in model container [2022-07-12 15:55:42,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:55:42" (3/3) ... [2022-07-12 15:55:42,819 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2022-07-12 15:55:42,830 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 15:55:42,831 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-12 15:55:42,951 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 15:55:42,958 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@3448baa3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4321643c [2022-07-12 15:55:42,959 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-12 15:55:42,975 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) [2022-07-12 15:55:42,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-12 15:55:42,985 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:55:42,986 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] [2022-07-12 15:55:42,989 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)] === [2022-07-12 15:55:42,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:55:42,995 INFO L85 PathProgramCache]: Analyzing trace with hash 272176373, now seen corresponding path program 1 times [2022-07-12 15:55:43,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:55:43,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543390791] [2022-07-12 15:55:43,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:55:43,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:55:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:55:43,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:55:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:55:43,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:55:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:55:43,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:55:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:55:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:55:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:55:43,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:55:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:55:43,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:55:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:55:43,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:55:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:55:43,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:55:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:55:43,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:55:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:55:43,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 15:55:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:55:43,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 15:55:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:55:44,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:55:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:55:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 15:55:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:55:44,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 15:55:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:55:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-12 15:55:44,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:55:44,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543390791] [2022-07-12 15:55:44,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543390791] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:55:44,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:55:44,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 15:55:44,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220423257] [2022-07-12 15:55:44,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:55:44,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:55:44,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:55:44,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:55:44,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:55:44,065 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) [2022-07-12 15:55:47,149 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 [] [2022-07-12 15:55:49,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:55:58,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:56:03,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:56:05,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:56:09,523 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:56:14,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:56:30,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:56:30,732 INFO L93 Difference]: Finished difference Result 9951 states and 15150 transitions. [2022-07-12 15:56:30,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:56:30,735 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 [2022-07-12 15:56:30,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:56:30,798 INFO L225 Difference]: With dead ends: 9951 [2022-07-12 15:56:30,798 INFO L226 Difference]: Without dead ends: 5458 [2022-07-12 15:56:30,841 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 [2022-07-12 15:56:30,849 INFO L413 NwaCegarLoop]: 7390 mSDtfsCounter, 1746 mSDsluCounter, 11990 mSDsCounter, 0 mSdLazyCounter, 5492 mSolverCounterSat, 1427 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2347 SdHoareTripleChecker+Valid, 19380 SdHoareTripleChecker+Invalid, 6926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1427 IncrementalHoareTripleChecker+Valid, 5492 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.5s IncrementalHoareTripleChecker+Time [2022-07-12 15:56:30,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2347 Valid, 19380 Invalid, 6926 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1427 Valid, 5492 Invalid, 7 Unknown, 0 Unchecked, 45.5s Time] [2022-07-12 15:56:30,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5458 states. [2022-07-12 15:56:31,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5458 to 4481. [2022-07-12 15:56:31,117 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) [2022-07-12 15:56:31,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4481 states to 4481 states and 6509 transitions. [2022-07-12 15:56:31,151 INFO L78 Accepts]: Start accepts. Automaton has 4481 states and 6509 transitions. Word has length 93 [2022-07-12 15:56:31,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:56:31,152 INFO L495 AbstractCegarLoop]: Abstraction has 4481 states and 6509 transitions. [2022-07-12 15:56:31,152 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) [2022-07-12 15:56:31,153 INFO L276 IsEmpty]: Start isEmpty. Operand 4481 states and 6509 transitions. [2022-07-12 15:56:31,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-12 15:56:31,155 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:56:31,155 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] [2022-07-12 15:56:31,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 15:56:31,156 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)] === [2022-07-12 15:56:31,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:56:31,156 INFO L85 PathProgramCache]: Analyzing trace with hash 546935987, now seen corresponding path program 1 times [2022-07-12 15:56:31,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:56:31,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123285100] [2022-07-12 15:56:31,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:56:31,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:56:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:56:31,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:56:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:56:31,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:56:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:56:31,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:56:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:56:31,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:56:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:56:31,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:56:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:56:31,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:56:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:56:31,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:56:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:56:31,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:56:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:56:31,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:56:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:56:31,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 15:56:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:56:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 15:56:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:56:31,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:56:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:56:31,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 15:56:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:56:31,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 15:56:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:56:31,953 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-12 15:56:31,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:56:31,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123285100] [2022-07-12 15:56:31,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123285100] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:56:31,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:56:31,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 15:56:31,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164323943] [2022-07-12 15:56:31,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:56:31,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 15:56:31,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:56:31,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 15:56:31,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:56:31,956 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) [2022-07-12 15:56:35,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:56:37,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:56:49,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:56:56,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:56:58,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:57:02,107 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:57:03,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:57:05,535 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:57:07,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:57:09,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:57:14,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:57:35,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:57:35,891 INFO L93 Difference]: Finished difference Result 4702 states and 6993 transitions. [2022-07-12 15:57:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 15:57:35,891 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 [2022-07-12 15:57:35,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:57:35,915 INFO L225 Difference]: With dead ends: 4702 [2022-07-12 15:57:35,915 INFO L226 Difference]: Without dead ends: 4700 [2022-07-12 15:57:35,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-12 15:57:35,918 INFO L413 NwaCegarLoop]: 6216 mSDtfsCounter, 6348 mSDsluCounter, 15529 mSDsCounter, 0 mSdLazyCounter, 6984 mSolverCounterSat, 2021 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7247 SdHoareTripleChecker+Valid, 21745 SdHoareTripleChecker+Invalid, 9011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2021 IncrementalHoareTripleChecker+Valid, 6984 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.8s IncrementalHoareTripleChecker+Time [2022-07-12 15:57:35,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7247 Valid, 21745 Invalid, 9011 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2021 Valid, 6984 Invalid, 6 Unknown, 0 Unchecked, 62.8s Time] [2022-07-12 15:57:35,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4700 states. [2022-07-12 15:57:36,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4700 to 4485. [2022-07-12 15:57:36,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4485 states, 2988 states have (on average 1.3075635876840697) internal successors, (3907), 3146 states have internal predecessors, (3907), 1304 states have call successors, (1304), 191 states have call predecessors, (1304), 190 states have return successors, (1301), 1238 states have call predecessors, (1301), 1301 states have call successors, (1301) [2022-07-12 15:57:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4485 states to 4485 states and 6512 transitions. [2022-07-12 15:57:36,088 INFO L78 Accepts]: Start accepts. Automaton has 4485 states and 6512 transitions. Word has length 93 [2022-07-12 15:57:36,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:57:36,090 INFO L495 AbstractCegarLoop]: Abstraction has 4485 states and 6512 transitions. [2022-07-12 15:57:36,090 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) [2022-07-12 15:57:36,091 INFO L276 IsEmpty]: Start isEmpty. Operand 4485 states and 6512 transitions. [2022-07-12 15:57:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-12 15:57:36,096 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:57:36,097 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] [2022-07-12 15:57:36,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 15:57:36,097 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)] === [2022-07-12 15:57:36,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:57:36,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1658310587, now seen corresponding path program 1 times [2022-07-12 15:57:36,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:57:36,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168221430] [2022-07-12 15:57:36,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:57:36,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:57:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:57:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:57:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:57:36,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:57:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:57:36,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:57:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:57:36,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:57:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:57:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:57:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:57:36,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:57:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:57:36,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:57:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:57:36,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:57:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:57:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:57:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:57:36,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 15:57:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:57:36,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 15:57:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:57:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:57:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:57:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 15:57:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:57:36,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 15:57:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:57:36,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 15:57:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:57:36,891 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-12 15:57:36,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:57:36,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168221430] [2022-07-12 15:57:36,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168221430] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:57:36,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:57:36,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 15:57:36,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202319024] [2022-07-12 15:57:36,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:57:36,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 15:57:36,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:57:36,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 15:57:36,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:57:36,895 INFO L87 Difference]: Start difference. First operand 4485 states and 6512 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) [2022-07-12 15:57:40,802 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 [] [2022-07-12 15:57:42,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:57:56,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:58:03,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:58:05,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:58:09,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:58:11,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:58:13,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:58:14,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:58:16,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:58:22,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:58:24,247 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:58:45,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:58:45,209 INFO L93 Difference]: Finished difference Result 4706 states and 6996 transitions. [2022-07-12 15:58:45,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 15:58:45,210 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 [2022-07-12 15:58:45,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:58:45,239 INFO L225 Difference]: With dead ends: 4706 [2022-07-12 15:58:45,239 INFO L226 Difference]: Without dead ends: 4704 [2022-07-12 15:58:45,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-12 15:58:45,252 INFO L413 NwaCegarLoop]: 6228 mSDtfsCounter, 6338 mSDsluCounter, 15553 mSDsCounter, 0 mSdLazyCounter, 6987 mSolverCounterSat, 2020 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7230 SdHoareTripleChecker+Valid, 21781 SdHoareTripleChecker+Invalid, 9016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2020 IncrementalHoareTripleChecker+Valid, 6987 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.1s IncrementalHoareTripleChecker+Time [2022-07-12 15:58:45,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7230 Valid, 21781 Invalid, 9016 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2020 Valid, 6987 Invalid, 9 Unknown, 0 Unchecked, 67.1s Time] [2022-07-12 15:58:45,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4704 states. [2022-07-12 15:58:45,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4704 to 4489. [2022-07-12 15:58:45,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4489 states, 2991 states have (on average 1.307255098629221) internal successors, (3910), 3149 states have internal predecessors, (3910), 1304 states have call successors, (1304), 192 states have call predecessors, (1304), 191 states have return successors, (1301), 1238 states have call predecessors, (1301), 1301 states have call successors, (1301) [2022-07-12 15:58:45,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4489 states to 4489 states and 6515 transitions. [2022-07-12 15:58:45,471 INFO L78 Accepts]: Start accepts. Automaton has 4489 states and 6515 transitions. Word has length 98 [2022-07-12 15:58:45,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:58:45,473 INFO L495 AbstractCegarLoop]: Abstraction has 4489 states and 6515 transitions. [2022-07-12 15:58:45,474 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) [2022-07-12 15:58:45,474 INFO L276 IsEmpty]: Start isEmpty. Operand 4489 states and 6515 transitions. [2022-07-12 15:58:45,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-12 15:58:45,480 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:58:45,480 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] [2022-07-12 15:58:45,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 15:58:45,481 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)] === [2022-07-12 15:58:45,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:58:45,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1828040333, now seen corresponding path program 1 times [2022-07-12 15:58:45,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:58:45,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195728393] [2022-07-12 15:58:45,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:58:45,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:58:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:58:46,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:58:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:58:46,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:58:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:58:46,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:58:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:58:46,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:58:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:58:46,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:58:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:58:46,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:58:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:58:46,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:58:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:58:46,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:58:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:58:46,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:58:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:58:46,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 15:58:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:58:46,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 15:58:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:58:46,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:58:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:58:46,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 15:58:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:58:46,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 15:58:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:58:46,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 15:58:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:58:46,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 15:58:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:58:46,368 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-07-12 15:58:46,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:58:46,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195728393] [2022-07-12 15:58:46,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195728393] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:58:46,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:58:46,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 15:58:46,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314596593] [2022-07-12 15:58:46,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:58:46,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 15:58:46,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:58:46,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 15:58:46,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:58:46,370 INFO L87 Difference]: Start difference. First operand 4489 states and 6515 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) [2022-07-12 15:58:50,274 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 [] [2022-07-12 15:58:52,289 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 []