./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 eb692b52 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-?-eb692b5 [2022-07-20 02:57:37,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:57:37,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:57:37,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:57:37,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:57:37,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:57:37,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:57:37,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:57:37,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:57:37,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:57:37,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:57:37,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:57:37,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:57:37,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:57:37,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:57:37,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:57:37,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:57:37,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:57:37,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:57:37,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:57:37,570 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:57:37,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:57:37,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:57:37,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:57:37,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:57:37,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:57:37,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:57:37,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:57:37,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:57:37,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:57:37,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:57:37,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:57:37,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:57:37,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:57:37,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:57:37,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:57:37,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:57:37,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:57:37,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:57:37,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:57:37,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:57:37,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:57:37,589 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:57:37,611 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:57:37,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:57:37,611 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:57:37,612 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:57:37,612 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:57:37,612 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:57:37,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:57:37,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:57:37,613 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:57:37,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:57:37,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:57:37,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:57:37,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:57:37,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:57:37,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:57:37,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:57:37,615 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:57:37,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:57:37,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:57:37,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:57:37,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:57:37,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:57:37,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:57:37,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:57:37,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:57:37,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:57:37,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:57:37,617 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:57:37,617 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:57:37,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:57:37,618 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb901e431a7ee0706f0e51d89ec94e4336f8310f955de577abd9c91b26865dbf [2022-07-20 02:57:37,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:57:37,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:57:37,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:57:37,840 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:57:37,841 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:57:37,842 INFO L432 ainManager$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 [2022-07-20 02:57:37,881 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67ce937fc/8383b5e920fb4365be11958f82000bc4/FLAGb0681f6ce [2022-07-20 02:57:38,645 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:57:38,646 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 [2022-07-20 02:57:38,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67ce937fc/8383b5e920fb4365be11958f82000bc4/FLAGb0681f6ce [2022-07-20 02:57:38,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67ce937fc/8383b5e920fb4365be11958f82000bc4 [2022-07-20 02:57:38,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:57:38,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:57:38,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:57:38,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:57:38,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:57:38,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:57:38" (1/1) ... [2022-07-20 02:57:38,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51889d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:57:38, skipping insertion in model container [2022-07-20 02:57:38,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:57:38" (1/1) ... [2022-07-20 02:57:38,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:57:39,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:57:43,966 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] [2022-07-20 02:57:43,968 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] [2022-07-20 02:57:43,969 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] [2022-07-20 02:57:43,969 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] [2022-07-20 02:57:43,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:57:44,034 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:57:44,452 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] [2022-07-20 02:57:44,453 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] [2022-07-20 02:57:44,453 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] [2022-07-20 02:57:44,454 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] [2022-07-20 02:57:44,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:57:44,681 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:57:44,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:57:44 WrapperNode [2022-07-20 02:57:44,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:57:44,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:57:44,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:57:44,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:57:44,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:57:44" (1/1) ... [2022-07-20 02:57:44,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:57:44" (1/1) ... [2022-07-20 02:57:45,093 INFO L137 Inliner]: procedures = 699, calls = 6873, calls flagged for inlining = 322, calls inlined = 303, statements flattened = 13740 [2022-07-20 02:57:45,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:57:45,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:57:45,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:57:45,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:57:45,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:57:44" (1/1) ... [2022-07-20 02:57:45,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:57:44" (1/1) ... [2022-07-20 02:57:45,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:57:44" (1/1) ... [2022-07-20 02:57:45,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:57:44" (1/1) ... [2022-07-20 02:57:45,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:57:44" (1/1) ... [2022-07-20 02:57:45,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:57:44" (1/1) ... [2022-07-20 02:57:45,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:57:44" (1/1) ... [2022-07-20 02:57:45,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:57:45,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:57:45,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:57:45,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:57:45,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:57:44" (1/1) ... [2022-07-20 02:57:45,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:57:45,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:57:45,601 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) [2022-07-20 02:57:45,631 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 [2022-07-20 02:57:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2022-07-20 02:57:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2022-07-20 02:57:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2022-07-20 02:57:45,643 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2022-07-20 02:57:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-20 02:57:45,643 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2022-07-20 02:57:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2022-07-20 02:57:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-20 02:57:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2022-07-20 02:57:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2022-07-20 02:57:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-20 02:57:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-20 02:57:45,644 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2022-07-20 02:57:45,644 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2022-07-20 02:57:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 02:57:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 02:57:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2022-07-20 02:57:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2022-07-20 02:57:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 02:57:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 02:57:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:57:45,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:57:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2022-07-20 02:57:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2022-07-20 02:57:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2022-07-20 02:57:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2022-07-20 02:57:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:57:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:57:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2022-07-20 02:57:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2022-07-20 02:57:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2022-07-20 02:57:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2022-07-20 02:57:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-07-20 02:57:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-07-20 02:57:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-07-20 02:57:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-07-20 02:57:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 02:57:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 02:57:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2022-07-20 02:57:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2022-07-20 02:57:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2022-07-20 02:57:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2022-07-20 02:57:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2022-07-20 02:57:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2022-07-20 02:57:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2022-07-20 02:57:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2022-07-20 02:57:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 02:57:45,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 02:57:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2022-07-20 02:57:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2022-07-20 02:57:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-07-20 02:57:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-07-20 02:57:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-07-20 02:57:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-07-20 02:57:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-20 02:57:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-20 02:57:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2022-07-20 02:57:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2022-07-20 02:57:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-20 02:57:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2022-07-20 02:57:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2022-07-20 02:57:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 02:57:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 02:57:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:57:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:57:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-07-20 02:57:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-07-20 02:57:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2022-07-20 02:57:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2022-07-20 02:57:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-20 02:57:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-20 02:57:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 02:57:45,654 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 02:57:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:57:45,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:57:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2022-07-20 02:57:45,654 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2022-07-20 02:57:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2022-07-20 02:57:45,654 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2022-07-20 02:57:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:57:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 02:57:45,655 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 02:57:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2022-07-20 02:57:45,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2022-07-20 02:57:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2022-07-20 02:57:45,655 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2022-07-20 02:57:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-20 02:57:45,656 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-20 02:57:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2022-07-20 02:57:45,656 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2022-07-20 02:57:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 02:57:45,656 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 02:57:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 02:57:45,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 02:57:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 02:57:45,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 02:57:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2022-07-20 02:57:45,657 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2022-07-20 02:57:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-20 02:57:45,657 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-20 02:57:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2022-07-20 02:57:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2022-07-20 02:57:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 02:57:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-20 02:57:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-20 02:57:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2022-07-20 02:57:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2022-07-20 02:57:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 02:57:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 02:57:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-20 02:57:45,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-20 02:57:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 02:57:45,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 02:57:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2022-07-20 02:57:45,662 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2022-07-20 02:57:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 02:57:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:57:45,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:57:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 02:57:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2022-07-20 02:57:45,663 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2022-07-20 02:57:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2022-07-20 02:57:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2022-07-20 02:57:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2022-07-20 02:57:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2022-07-20 02:57:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 02:57:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 02:57:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 02:57:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 02:57:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2022-07-20 02:57:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2022-07-20 02:57:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-07-20 02:57:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-07-20 02:57:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-07-20 02:57:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-07-20 02:57:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 02:57:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 02:57:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2022-07-20 02:57:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2022-07-20 02:57:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 02:57:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 02:57:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 02:57:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 02:57:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 02:57:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 02:57:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-20 02:57:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-20 02:57:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:57:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:57:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2022-07-20 02:57:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2022-07-20 02:57:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2022-07-20 02:57:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2022-07-20 02:57:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:57:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-07-20 02:57:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-07-20 02:57:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2022-07-20 02:57:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2022-07-20 02:57:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:57:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:57:45,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:57:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 02:57:45,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 02:57:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:57:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2022-07-20 02:57:45,671 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2022-07-20 02:57:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 02:57:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2022-07-20 02:57:45,671 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2022-07-20 02:57:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-07-20 02:57:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-07-20 02:57:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:57:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:57:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-20 02:57:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-20 02:57:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2022-07-20 02:57:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2022-07-20 02:57:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-20 02:57:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-20 02:57:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 02:57:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 02:57:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2022-07-20 02:57:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2022-07-20 02:57:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 02:57:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 02:57:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2022-07-20 02:57:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2022-07-20 02:57:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-20 02:57:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-20 02:57:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 02:57:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 02:57:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2022-07-20 02:57:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2022-07-20 02:57:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2022-07-20 02:57:45,675 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2022-07-20 02:57:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 02:57:45,675 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 02:57:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2022-07-20 02:57:45,675 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2022-07-20 02:57:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:57:45,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:57:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2022-07-20 02:57:45,675 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2022-07-20 02:57:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 02:57:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 02:57:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-07-20 02:57:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-07-20 02:57:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-20 02:57:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-20 02:57:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2022-07-20 02:57:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2022-07-20 02:57:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-20 02:57:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-20 02:57:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 02:57:45,677 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 02:57:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-07-20 02:57:45,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-07-20 02:57:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2022-07-20 02:57:45,677 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2022-07-20 02:57:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-20 02:57:45,677 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-20 02:57:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:57:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:57:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:57:45,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:57:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-07-20 02:57:45,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-07-20 02:57:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-07-20 02:57:45,678 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-07-20 02:57:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:57:45,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:57:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-20 02:57:45,678 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-20 02:57:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2022-07-20 02:57:45,678 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2022-07-20 02:57:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2022-07-20 02:57:45,679 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2022-07-20 02:57:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2022-07-20 02:57:45,679 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2022-07-20 02:57:45,679 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2022-07-20 02:57:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2022-07-20 02:57:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-07-20 02:57:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-07-20 02:57:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2022-07-20 02:57:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2022-07-20 02:57:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 02:57:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 02:57:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2022-07-20 02:57:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2022-07-20 02:57:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 02:57:45,684 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 02:57:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2022-07-20 02:57:45,684 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2022-07-20 02:57:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-20 02:57:45,684 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-20 02:57:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2022-07-20 02:57:45,684 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2022-07-20 02:57:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 02:57:45,684 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 02:57:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-20 02:57:45,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-20 02:57:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:57:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 02:57:45,685 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 02:57:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2022-07-20 02:57:45,685 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2022-07-20 02:57:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-07-20 02:57:45,685 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-07-20 02:57:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:57:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-20 02:57:45,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-20 02:57:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2022-07-20 02:57:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2022-07-20 02:57:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2022-07-20 02:57:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2022-07-20 02:57:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-20 02:57:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-20 02:57:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2022-07-20 02:57:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2022-07-20 02:57:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-20 02:57:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-20 02:57:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:57:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-20 02:57:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-20 02:57:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2022-07-20 02:57:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2022-07-20 02:57:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2022-07-20 02:57:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2022-07-20 02:57:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 02:57:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 02:57:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-20 02:57:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-20 02:57:45,688 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2022-07-20 02:57:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2022-07-20 02:57:45,688 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-20 02:57:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-20 02:57:45,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:57:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:57:45,688 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2022-07-20 02:57:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2022-07-20 02:57:45,688 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2022-07-20 02:57:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2022-07-20 02:57:45,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 02:57:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 02:57:45,689 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-20 02:57:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-20 02:57:45,689 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2022-07-20 02:57:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2022-07-20 02:57:45,689 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2022-07-20 02:57:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2022-07-20 02:57:45,689 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 02:57:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 02:57:45,689 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2022-07-20 02:57:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2022-07-20 02:57:45,690 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2022-07-20 02:57:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2022-07-20 02:57:45,690 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 02:57:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 02:57:45,690 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 02:57:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 02:57:45,690 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2022-07-20 02:57:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2022-07-20 02:57:45,690 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2022-07-20 02:57:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2022-07-20 02:57:45,690 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2022-07-20 02:57:45,691 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2022-07-20 02:57:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 02:57:45,691 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 02:57:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-20 02:57:45,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-20 02:57:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 02:57:45,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 02:57:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-07-20 02:57:45,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2022-07-20 02:57:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2022-07-20 02:57:45,692 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2022-07-20 02:57:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 02:57:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2022-07-20 02:57:45,692 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2022-07-20 02:57:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2022-07-20 02:57:45,692 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2022-07-20 02:57:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-20 02:57:45,692 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-20 02:57:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-20 02:57:45,692 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-20 02:57:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 02:57:45,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 02:57:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2022-07-20 02:57:45,693 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2022-07-20 02:57:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-07-20 02:57:45,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-07-20 02:57:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2022-07-20 02:57:45,693 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2022-07-20 02:57:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-20 02:57:45,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-20 02:57:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-20 02:57:45,693 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-20 02:57:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2022-07-20 02:57:45,694 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2022-07-20 02:57:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-20 02:57:45,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-20 02:57:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-07-20 02:57:45,694 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-07-20 02:57:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:57:45,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:57:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2022-07-20 02:57:45,694 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2022-07-20 02:57:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2022-07-20 02:57:45,695 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2022-07-20 02:57:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-20 02:57:45,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-20 02:57:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2022-07-20 02:57:45,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2022-07-20 02:57:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2022-07-20 02:57:45,695 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2022-07-20 02:57:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2022-07-20 02:57:45,695 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2022-07-20 02:57:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-20 02:57:45,696 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-20 02:57:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2022-07-20 02:57:45,696 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2022-07-20 02:57:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 02:57:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-07-20 02:57:45,696 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-07-20 02:57:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-20 02:57:45,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-20 02:57:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2022-07-20 02:57:45,696 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2022-07-20 02:57:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:57:45,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:57:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2022-07-20 02:57:45,697 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2022-07-20 02:57:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-20 02:57:45,697 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-20 02:57:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2022-07-20 02:57:45,697 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2022-07-20 02:57:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2022-07-20 02:57:45,697 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2022-07-20 02:57:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2022-07-20 02:57:45,697 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2022-07-20 02:57:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2022-07-20 02:57:45,698 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2022-07-20 02:57:46,964 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:57:46,971 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:57:47,395 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:58:28,690 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:58:28,716 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:58:28,716 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-20 02:58:28,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:58:28 BoogieIcfgContainer [2022-07-20 02:58:28,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:58:28,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:58:28,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:58:28,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:58:28,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:57:38" (1/3) ... [2022-07-20 02:58:28,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec2c72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:58:28, skipping insertion in model container [2022-07-20 02:58:28,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:57:44" (2/3) ... [2022-07-20 02:58:28,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec2c72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:58:28, skipping insertion in model container [2022-07-20 02:58:28,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:58:28" (3/3) ... [2022-07-20 02:58:28,731 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2022-07-20 02:58:28,741 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:58:28,741 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-20 02:58:28,844 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:58:28,848 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@1e32c76, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5973e305 [2022-07-20 02:58:28,848 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-20 02:58:28,860 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) [2022-07-20 02:58:28,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-20 02:58:28,868 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:58:28,868 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] [2022-07-20 02:58:28,869 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)] === [2022-07-20 02:58:28,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:58:28,872 INFO L85 PathProgramCache]: Analyzing trace with hash 272176373, now seen corresponding path program 1 times [2022-07-20 02:58:28,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:58:28,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555901974] [2022-07-20 02:58:28,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:58:28,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:58:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:58:29,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:58:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:58:29,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:58:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:58:29,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:58:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:58:29,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:58:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:58:29,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:58:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:58:29,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:58:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:58:29,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:58:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:58:29,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:58:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:58:29,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:58:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:58:29,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 02:58:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:58:29,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 02:58:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:58:29,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:58:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:58:29,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 02:58:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:58:29,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 02:58:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:58:29,798 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-20 02:58:29,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:58:29,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555901974] [2022-07-20 02:58:29,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555901974] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:58:29,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:58:29,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 02:58:29,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833661047] [2022-07-20 02:58:29,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:58:29,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:58:29,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:58:29,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:58:29,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:58:29,829 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) [2022-07-20 02:58:32,828 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 [] [2022-07-20 02:58:34,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:58:43,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:58:48,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:58:50,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:58:52,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:58:54,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:58:56,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:58:57,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:59:17,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:59:17,600 INFO L93 Difference]: Finished difference Result 9951 states and 15150 transitions. [2022-07-20 02:59:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:59:17,603 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 [2022-07-20 02:59:17,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:59:17,665 INFO L225 Difference]: With dead ends: 9951 [2022-07-20 02:59:17,666 INFO L226 Difference]: Without dead ends: 5458 [2022-07-20 02:59:17,710 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 [2022-07-20 02:59:17,713 INFO L413 NwaCegarLoop]: 7385 mSDtfsCounter, 1746 mSDsluCounter, 11974 mSDsCounter, 0 mSdLazyCounter, 5511 mSolverCounterSat, 1427 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2354 SdHoareTripleChecker+Valid, 19359 SdHoareTripleChecker+Invalid, 6943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1427 IncrementalHoareTripleChecker+Valid, 5511 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.8s IncrementalHoareTripleChecker+Time [2022-07-20 02:59:17,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2354 Valid, 19359 Invalid, 6943 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1427 Valid, 5511 Invalid, 5 Unknown, 0 Unchecked, 46.8s Time] [2022-07-20 02:59:17,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5458 states. [2022-07-20 02:59:17,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5458 to 4481. [2022-07-20 02:59:17,961 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) [2022-07-20 02:59:17,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4481 states to 4481 states and 6509 transitions. [2022-07-20 02:59:18,000 INFO L78 Accepts]: Start accepts. Automaton has 4481 states and 6509 transitions. Word has length 93 [2022-07-20 02:59:18,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:59:18,001 INFO L495 AbstractCegarLoop]: Abstraction has 4481 states and 6509 transitions. [2022-07-20 02:59:18,001 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) [2022-07-20 02:59:18,001 INFO L276 IsEmpty]: Start isEmpty. Operand 4481 states and 6509 transitions. [2022-07-20 02:59:18,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-20 02:59:18,008 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:59:18,009 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] [2022-07-20 02:59:18,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 02:59:18,009 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)] === [2022-07-20 02:59:18,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:59:18,010 INFO L85 PathProgramCache]: Analyzing trace with hash 546935987, now seen corresponding path program 1 times [2022-07-20 02:59:18,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:59:18,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651039365] [2022-07-20 02:59:18,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:59:18,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:59:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:59:18,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:59:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:59:18,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:59:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:59:18,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:59:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:59:18,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:59:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:59:18,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:59:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:59:18,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:59:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:59:18,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:59:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:59:18,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:59:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:59:18,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:59:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:59:18,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 02:59:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:59:18,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 02:59:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:59:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:59:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:59:18,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 02:59:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:59:18,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 02:59:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:59:18,763 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-20 02:59:18,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:59:18,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651039365] [2022-07-20 02:59:18,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651039365] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:59:18,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:59:18,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:59:18,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914291669] [2022-07-20 02:59:18,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:59:18,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:59:18,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:59:18,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:59:18,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:59:18,766 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) [2022-07-20 02:59:22,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:59:24,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:59:37,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:59:43,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:59:46,026 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:59:49,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:59:51,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:59:53,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:59:55,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:59:57,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:00:25,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:00:25,518 INFO L93 Difference]: Finished difference Result 4702 states and 6993 transitions. [2022-07-20 03:00:25,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 03:00:25,518 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 93 [2022-07-20 03:00:25,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:00:25,551 INFO L225 Difference]: With dead ends: 4702 [2022-07-20 03:00:25,551 INFO L226 Difference]: Without dead ends: 4700 [2022-07-20 03:00:25,557 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 [2022-07-20 03:00:25,558 INFO L413 NwaCegarLoop]: 6212 mSDtfsCounter, 6348 mSDsluCounter, 15517 mSDsCounter, 0 mSdLazyCounter, 6978 mSolverCounterSat, 2021 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7251 SdHoareTripleChecker+Valid, 21729 SdHoareTripleChecker+Invalid, 9007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2021 IncrementalHoareTripleChecker+Valid, 6978 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.6s IncrementalHoareTripleChecker+Time [2022-07-20 03:00:25,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7251 Valid, 21729 Invalid, 9007 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2021 Valid, 6978 Invalid, 8 Unknown, 0 Unchecked, 65.6s Time] [2022-07-20 03:00:25,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4700 states. [2022-07-20 03:00:25,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4700 to 4485. [2022-07-20 03:00:25,701 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) [2022-07-20 03:00:25,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4485 states to 4485 states and 6512 transitions. [2022-07-20 03:00:25,727 INFO L78 Accepts]: Start accepts. Automaton has 4485 states and 6512 transitions. Word has length 93 [2022-07-20 03:00:25,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:00:25,727 INFO L495 AbstractCegarLoop]: Abstraction has 4485 states and 6512 transitions. [2022-07-20 03:00:25,728 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) [2022-07-20 03:00:25,728 INFO L276 IsEmpty]: Start isEmpty. Operand 4485 states and 6512 transitions. [2022-07-20 03:00:25,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-20 03:00:25,731 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:00:25,731 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] [2022-07-20 03:00:25,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 03:00:25,732 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)] === [2022-07-20 03:00:25,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:00:25,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1658310587, now seen corresponding path program 1 times [2022-07-20 03:00:25,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:00:25,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448737236] [2022-07-20 03:00:25,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:00:25,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:00:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:00:26,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:00:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:00:26,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:00:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:00:26,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:00:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:00:26,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:00:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:00:26,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:00:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:00:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:00:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:00:26,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:00:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:00:26,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:00:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:00:26,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:00:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:00:26,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 03:00:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:00:26,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 03:00:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:00:26,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:00:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:00:26,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:00:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:00:26,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 03:00:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:00:26,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-20 03:00:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:00:26,672 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-20 03:00:26,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:00:26,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448737236] [2022-07-20 03:00:26,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448737236] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:00:26,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:00:26,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 03:00:26,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250853852] [2022-07-20 03:00:26,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:00:26,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 03:00:26,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:00:26,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 03:00:26,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 03:00:26,677 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) [2022-07-20 03:00:30,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:00:32,802 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:00:47,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:00:54,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:00:56,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:01:01,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:01:08,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:01:34,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:01:34,194 INFO L93 Difference]: Finished difference Result 4870 states and 7203 transitions. [2022-07-20 03:01:34,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 03:01:34,195 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 [2022-07-20 03:01:34,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:01:34,231 INFO L225 Difference]: With dead ends: 4870 [2022-07-20 03:01:34,231 INFO L226 Difference]: Without dead ends: 4868 [2022-07-20 03:01:34,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-20 03:01:34,239 INFO L413 NwaCegarLoop]: 6264 mSDtfsCounter, 6381 mSDsluCounter, 15557 mSDsCounter, 0 mSdLazyCounter, 7402 mSolverCounterSat, 2049 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7307 SdHoareTripleChecker+Valid, 21821 SdHoareTripleChecker+Invalid, 9457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2049 IncrementalHoareTripleChecker+Valid, 7402 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.2s IncrementalHoareTripleChecker+Time [2022-07-20 03:01:34,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7307 Valid, 21821 Invalid, 9457 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2049 Valid, 7402 Invalid, 6 Unknown, 0 Unchecked, 66.2s Time] [2022-07-20 03:01:34,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4868 states. [2022-07-20 03:01:34,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4868 to 4648. [2022-07-20 03:01:34,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4648 states, 3100 states have (on average 1.3054838709677419) internal successors, (4047), 3264 states have internal predecessors, (4047), 1337 states have call successors, (1337), 209 states have call predecessors, (1337), 208 states have return successors, (1334), 1271 states have call predecessors, (1334), 1334 states have call successors, (1334) [2022-07-20 03:01:34,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4648 states to 4648 states and 6718 transitions. [2022-07-20 03:01:34,435 INFO L78 Accepts]: Start accepts. Automaton has 4648 states and 6718 transitions. Word has length 98 [2022-07-20 03:01:34,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:01:34,437 INFO L495 AbstractCegarLoop]: Abstraction has 4648 states and 6718 transitions. [2022-07-20 03:01:34,438 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) [2022-07-20 03:01:34,438 INFO L276 IsEmpty]: Start isEmpty. Operand 4648 states and 6718 transitions. [2022-07-20 03:01:34,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-20 03:01:34,443 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:01:34,443 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] [2022-07-20 03:01:34,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 03:01:34,444 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)] === [2022-07-20 03:01:34,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:01:34,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1828040333, now seen corresponding path program 1 times [2022-07-20 03:01:34,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:01:34,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839198083] [2022-07-20 03:01:34,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:01:34,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:01:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:01:35,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:01:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:01:35,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:01:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:01:35,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:01:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:01:35,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:01:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:01:35,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:01:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:01:35,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:01:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:01:35,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:01:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:01:35,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:01:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:01:35,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:01:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:01:35,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 03:01:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:01:35,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 03:01:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:01:35,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:01:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:01:35,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 03:01:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:01:35,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 03:01:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:01:35,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-20 03:01:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:01:35,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-20 03:01:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:01:35,415 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-07-20 03:01:35,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:01:35,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839198083] [2022-07-20 03:01:35,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839198083] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:01:35,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:01:35,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 03:01:35,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858943857] [2022-07-20 03:01:35,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:01:35,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 03:01:35,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:01:35,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 03:01:35,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 03:01:35,419 INFO L87 Difference]: Start difference. First operand 4648 states and 6718 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-20 03:01:39,414 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 [] [2022-07-20 03:01:54,813 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 []