./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-ethernet-marvell-sky2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-ethernet-marvell-sky2.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 91f73b42c8fe3db55fbb7a7497120df3b9b2fa6084f78fe538d2c182c8caed17 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:42:37,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:42:37,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:42:37,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:42:37,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:42:37,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:42:37,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:42:37,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:42:37,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:42:37,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:42:37,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:42:37,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:42:37,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:42:37,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:42:37,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:42:37,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:42:37,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:42:37,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:42:37,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:42:37,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:42:37,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:42:37,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:42:37,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:42:37,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:42:37,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:42:37,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:42:37,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:42:37,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:42:37,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:42:37,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:42:37,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:42:37,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:42:37,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:42:37,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:42:37,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:42:37,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:42:37,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:42:37,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:42:37,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:42:37,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:42:37,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:42:37,388 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:42:37,425 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:42:37,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:42:37,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:42:37,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:42:37,427 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:42:37,427 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:42:37,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:42:37,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:42:37,428 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:42:37,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:42:37,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:42:37,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:42:37,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:42:37,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:42:37,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:42:37,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:42:37,430 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:42:37,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:42:37,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:42:37,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:42:37,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:42:37,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:42:37,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:42:37,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:42:37,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:42:37,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:42:37,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:42:37,433 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:42:37,433 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:42:37,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:42:37,433 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:42:37,433 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91f73b42c8fe3db55fbb7a7497120df3b9b2fa6084f78fe538d2c182c8caed17 [2021-12-22 15:42:37,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:42:37,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:42:37,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:42:37,714 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:42:37,714 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:42:37,715 INFO L432 ainManager$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-ethernet-marvell-sky2.cil.i [2021-12-22 15:42:37,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30bd33ce5/46d4e6e445614fe682e252383c4db0b4/FLAG671db1c65 [2021-12-22 15:42:38,700 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:42:38,701 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-ethernet-marvell-sky2.cil.i [2021-12-22 15:42:38,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30bd33ce5/46d4e6e445614fe682e252383c4db0b4/FLAG671db1c65 [2021-12-22 15:42:39,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30bd33ce5/46d4e6e445614fe682e252383c4db0b4 [2021-12-22 15:42:39,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:42:39,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:42:39,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:42:39,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:42:39,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:42:39,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:42:39" (1/1) ... [2021-12-22 15:42:39,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aab1681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:39, skipping insertion in model container [2021-12-22 15:42:39,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:42:39" (1/1) ... [2021-12-22 15:42:39,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:42:39,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:42:45,146 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-ethernet-marvell-sky2.cil.i[583669,583682] [2021-12-22 15:42:45,150 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-ethernet-marvell-sky2.cil.i[583838,583851] [2021-12-22 15:42:45,151 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-ethernet-marvell-sky2.cil.i[584005,584018] [2021-12-22 15:42:45,152 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-ethernet-marvell-sky2.cil.i[584173,584186] [2021-12-22 15:42:45,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:42:45,250 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:42:45,698 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-ethernet-marvell-sky2.cil.i[583669,583682] [2021-12-22 15:42:45,699 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-ethernet-marvell-sky2.cil.i[583838,583851] [2021-12-22 15:42:45,699 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-ethernet-marvell-sky2.cil.i[584005,584018] [2021-12-22 15:42:45,699 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-ethernet-marvell-sky2.cil.i[584173,584186] [2021-12-22 15:42:45,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:42:45,965 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:42:45,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:45 WrapperNode [2021-12-22 15:42:45,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:42:45,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:42:45,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:42:45,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:42:45,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:45" (1/1) ... [2021-12-22 15:42:46,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:45" (1/1) ... [2021-12-22 15:42:46,338 INFO L137 Inliner]: procedures = 798, calls = 5626, calls flagged for inlining = 404, calls inlined = 343, statements flattened = 11117 [2021-12-22 15:42:46,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:42:46,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:42:46,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:42:46,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:42:46,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:45" (1/1) ... [2021-12-22 15:42:46,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:45" (1/1) ... [2021-12-22 15:42:46,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:45" (1/1) ... [2021-12-22 15:42:46,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:45" (1/1) ... [2021-12-22 15:42:46,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:45" (1/1) ... [2021-12-22 15:42:46,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:45" (1/1) ... [2021-12-22 15:42:46,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:45" (1/1) ... [2021-12-22 15:42:46,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:42:46,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:42:46,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:42:46,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:42:46,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:45" (1/1) ... [2021-12-22 15:42:46,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:42:46,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:42:46,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:42:46,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:42:46,815 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:42:46,815 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:42:46,815 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2021-12-22 15:42:46,815 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2021-12-22 15:42:46,815 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2021-12-22 15:42:46,816 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2021-12-22 15:42:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2021-12-22 15:42:46,816 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2021-12-22 15:42:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:42:46,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:42:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2021-12-22 15:42:46,817 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2021-12-22 15:42:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2021-12-22 15:42:46,817 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2021-12-22 15:42:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:42:46,817 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:42:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-12-22 15:42:46,818 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-12-22 15:42:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:42:46,818 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:42:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2021-12-22 15:42:46,818 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2021-12-22 15:42:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-22 15:42:46,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-22 15:42:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-12-22 15:42:46,819 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-12-22 15:42:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2021-12-22 15:42:46,819 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2021-12-22 15:42:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:42:46,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:42:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:42:46,820 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:42:46,820 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2021-12-22 15:42:46,820 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2021-12-22 15:42:46,820 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-22 15:42:46,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-22 15:42:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 15:42:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 15:42:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-12-22 15:42:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-12-22 15:42:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2021-12-22 15:42:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2021-12-22 15:42:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 15:42:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 15:42:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2021-12-22 15:42:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2021-12-22 15:42:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:42:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:42:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:42:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:42:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2021-12-22 15:42:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2021-12-22 15:42:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:42:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2021-12-22 15:42:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2021-12-22 15:42:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2021-12-22 15:42:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2021-12-22 15:42:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-22 15:42:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-22 15:42:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:42:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:42:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-22 15:42:46,826 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-22 15:42:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-22 15:42:46,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-22 15:42:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-22 15:42:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-22 15:42:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:42:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:42:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-12-22 15:42:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-12-22 15:42:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-22 15:42:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-22 15:42:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:42:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:42:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:42:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2021-12-22 15:42:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2021-12-22 15:42:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-12-22 15:42:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-12-22 15:42:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:42:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2021-12-22 15:42:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2021-12-22 15:42:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2021-12-22 15:42:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2021-12-22 15:42:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2021-12-22 15:42:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2021-12-22 15:42:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:42:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:42:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:42:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:42:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:42:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 15:42:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2021-12-22 15:42:46,832 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2021-12-22 15:42:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-12-22 15:42:46,832 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-12-22 15:42:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2021-12-22 15:42:46,832 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2021-12-22 15:42:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-22 15:42:46,833 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-22 15:42:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:42:46,833 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:42:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2021-12-22 15:42:46,833 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2021-12-22 15:42:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:42:46,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:42:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2021-12-22 15:42:46,834 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2021-12-22 15:42:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:42:46,834 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:42:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2021-12-22 15:42:46,835 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2021-12-22 15:42:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:42:46,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:42:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2021-12-22 15:42:46,838 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2021-12-22 15:42:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 15:42:46,839 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 15:42:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2021-12-22 15:42:46,839 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2021-12-22 15:42:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:42:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:42:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:42:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:42:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:42:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-22 15:42:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-22 15:42:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-12-22 15:42:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-12-22 15:42:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:42:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:42:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2021-12-22 15:42:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2021-12-22 15:42:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-22 15:42:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2021-12-22 15:42:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2021-12-22 15:42:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:42:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:42:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2021-12-22 15:42:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2021-12-22 15:42:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2021-12-22 15:42:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2021-12-22 15:42:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-22 15:42:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-22 15:42:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-22 15:42:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-22 15:42:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-22 15:42:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-22 15:42:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2021-12-22 15:42:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2021-12-22 15:42:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:42:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:42:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-22 15:42:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-22 15:42:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-22 15:42:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-22 15:42:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2021-12-22 15:42:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2021-12-22 15:42:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-22 15:42:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-22 15:42:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2021-12-22 15:42:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2021-12-22 15:42:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2021-12-22 15:42:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2021-12-22 15:42:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2021-12-22 15:42:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2021-12-22 15:42:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2021-12-22 15:42:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2021-12-22 15:42:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:42:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:42:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:42:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:42:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2021-12-22 15:42:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2021-12-22 15:42:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-22 15:42:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-22 15:42:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2021-12-22 15:42:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2021-12-22 15:42:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:42:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:42:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2021-12-22 15:42:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2021-12-22 15:42:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 15:42:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 15:42:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2021-12-22 15:42:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2021-12-22 15:42:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-22 15:42:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-22 15:42:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2021-12-22 15:42:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2021-12-22 15:42:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-22 15:42:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-22 15:42:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-22 15:42:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-22 15:42:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2021-12-22 15:42:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2021-12-22 15:42:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:42:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:42:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2021-12-22 15:42:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2021-12-22 15:42:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:42:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2021-12-22 15:42:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2021-12-22 15:42:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:42:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:42:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-12-22 15:42:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-12-22 15:42:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-22 15:42:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-22 15:42:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-12-22 15:42:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-12-22 15:42:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:42:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:42:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-22 15:42:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-22 15:42:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2021-12-22 15:42:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2021-12-22 15:42:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2021-12-22 15:42:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2021-12-22 15:42:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:42:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:42:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:42:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:42:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-22 15:42:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-22 15:42:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2021-12-22 15:42:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2021-12-22 15:42:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:42:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:42:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-22 15:42:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-22 15:42:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2021-12-22 15:42:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2021-12-22 15:42:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2021-12-22 15:42:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2021-12-22 15:42:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2021-12-22 15:42:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2021-12-22 15:42:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-12-22 15:42:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-12-22 15:42:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-12-22 15:42:46,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-12-22 15:42:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:42:46,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:42:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2021-12-22 15:42:46,869 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2021-12-22 15:42:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:42:46,870 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:42:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2021-12-22 15:42:46,871 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2021-12-22 15:42:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:42:46,871 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:42:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:42:46,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:42:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2021-12-22 15:42:46,872 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2021-12-22 15:42:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:42:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-22 15:42:46,872 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-22 15:42:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2021-12-22 15:42:46,872 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2021-12-22 15:42:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-22 15:42:46,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-22 15:42:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-22 15:42:46,873 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-22 15:42:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:42:46,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:42:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2021-12-22 15:42:46,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2021-12-22 15:42:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:42:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-22 15:42:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-22 15:42:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:42:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:42:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:42:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2021-12-22 15:42:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2021-12-22 15:42:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:42:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:42:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:42:46,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:42:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:42:46,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:42:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2021-12-22 15:42:46,875 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2021-12-22 15:42:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-12-22 15:42:46,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-12-22 15:42:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-12-22 15:42:46,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-12-22 15:42:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-22 15:42:46,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-22 15:42:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2021-12-22 15:42:46,876 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2021-12-22 15:42:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2021-12-22 15:42:46,876 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2021-12-22 15:42:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:42:46,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:42:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-12-22 15:42:46,877 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-12-22 15:42:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:42:46,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:42:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2021-12-22 15:42:46,877 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2021-12-22 15:42:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2021-12-22 15:42:46,878 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2021-12-22 15:42:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-22 15:42:46,878 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-22 15:42:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2021-12-22 15:42:46,878 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2021-12-22 15:42:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-12-22 15:42:46,878 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-12-22 15:42:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-22 15:42:46,879 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-22 15:42:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2021-12-22 15:42:46,879 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2021-12-22 15:42:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:42:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:42:46,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:42:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2021-12-22 15:42:46,879 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2021-12-22 15:42:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:42:46,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:42:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2021-12-22 15:42:46,880 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2021-12-22 15:42:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-22 15:42:46,880 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-22 15:42:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2021-12-22 15:42:46,880 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2021-12-22 15:42:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2021-12-22 15:42:46,881 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2021-12-22 15:42:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-22 15:42:46,881 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-22 15:42:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2021-12-22 15:42:46,881 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2021-12-22 15:42:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-22 15:42:46,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-22 15:42:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-22 15:42:46,882 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-22 15:42:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2021-12-22 15:42:46,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2021-12-22 15:42:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2021-12-22 15:42:46,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2021-12-22 15:42:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-22 15:42:46,883 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-22 15:42:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2021-12-22 15:42:46,883 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2021-12-22 15:42:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_sky2_port [2021-12-22 15:42:46,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_sky2_port [2021-12-22 15:42:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2021-12-22 15:42:46,883 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2021-12-22 15:42:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-22 15:42:46,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-22 15:42:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-22 15:42:46,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-22 15:42:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:42:46,884 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:42:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-22 15:42:46,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-22 15:42:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:42:46,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:42:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:42:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2021-12-22 15:42:46,885 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2021-12-22 15:42:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:42:46,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:42:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-22 15:42:46,885 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-22 15:42:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-22 15:42:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-22 15:42:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-22 15:42:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-22 15:42:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-22 15:42:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-22 15:42:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:42:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:42:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2021-12-22 15:42:46,887 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2021-12-22 15:42:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2021-12-22 15:42:46,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2021-12-22 15:42:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-22 15:42:46,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-22 15:42:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2021-12-22 15:42:46,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2021-12-22 15:42:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2021-12-22 15:42:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2021-12-22 15:42:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2021-12-22 15:42:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2021-12-22 15:42:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:42:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:42:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-22 15:42:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-22 15:42:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-22 15:42:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-22 15:42:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2021-12-22 15:42:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2021-12-22 15:42:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:42:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:42:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-22 15:42:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-22 15:42:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-22 15:42:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-22 15:42:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2021-12-22 15:42:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2021-12-22 15:42:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:42:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:42:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2021-12-22 15:42:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2021-12-22 15:42:46,891 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-22 15:42:46,891 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-22 15:42:46,891 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2021-12-22 15:42:46,891 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2021-12-22 15:42:46,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:42:46,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:42:46,891 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-22 15:42:46,891 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-22 15:42:46,892 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2021-12-22 15:42:46,892 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2021-12-22 15:42:46,892 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2021-12-22 15:42:46,892 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2021-12-22 15:42:46,892 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-22 15:42:46,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-22 15:42:46,892 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 15:42:46,892 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 15:42:46,893 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2021-12-22 15:42:46,893 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2021-12-22 15:42:46,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:42:46,893 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2021-12-22 15:42:46,893 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2021-12-22 15:42:46,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:42:46,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:42:46,893 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-22 15:42:46,894 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-22 15:42:46,894 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2021-12-22 15:42:46,894 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2021-12-22 15:42:46,894 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-22 15:42:48,117 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:42:48,130 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:42:48,242 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:42:58,350 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:42:58,378 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:42:58,379 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-12-22 15:42:58,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:42:58 BoogieIcfgContainer [2021-12-22 15:42:58,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:42:58,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:42:58,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:42:58,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:42:58,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:42:39" (1/3) ... [2021-12-22 15:42:58,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c08500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:42:58, skipping insertion in model container [2021-12-22 15:42:58,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:42:45" (2/3) ... [2021-12-22 15:42:58,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c08500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:42:58, skipping insertion in model container [2021-12-22 15:42:58,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:42:58" (3/3) ... [2021-12-22 15:42:58,390 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-12-22 15:42:58,396 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:42:58,396 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-22 15:42:58,446 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:42:58,461 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:42:58,464 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-22 15:42:58,546 INFO L276 IsEmpty]: Start isEmpty. Operand has 3880 states, 2516 states have (on average 1.273449920508744) internal successors, (3204), 2622 states have internal predecessors, (3204), 1154 states have call successors, (1154), 208 states have call predecessors, (1154), 207 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2021-12-22 15:42:58,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-22 15:42:58,554 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:42:58,555 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:42:58,555 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:42:58,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:42:58,560 INFO L85 PathProgramCache]: Analyzing trace with hash -2091117277, now seen corresponding path program 1 times [2021-12-22 15:42:58,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:42:58,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60844328] [2021-12-22 15:42:58,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:42:58,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:42:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:42:59,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:42:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:42:59,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:42:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:42:59,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:42:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:42:59,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-22 15:42:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:42:59,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:42:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:42:59,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:42:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:42:59,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 15:42:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:42:59,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 15:42:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:42:59,456 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-22 15:42:59,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:42:59,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60844328] [2021-12-22 15:42:59,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60844328] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:42:59,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:42:59,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:42:59,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128862545] [2021-12-22 15:42:59,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:42:59,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:42:59,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:42:59,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:42:59,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:42:59,496 INFO L87 Difference]: Start difference. First operand has 3880 states, 2516 states have (on average 1.273449920508744) internal successors, (3204), 2622 states have internal predecessors, (3204), 1154 states have call successors, (1154), 208 states have call predecessors, (1154), 207 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-22 15:43:07,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:43:07,823 INFO L93 Difference]: Finished difference Result 7981 states and 11548 transitions. [2021-12-22 15:43:07,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 15:43:07,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 62 [2021-12-22 15:43:07,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:43:07,862 INFO L225 Difference]: With dead ends: 7981 [2021-12-22 15:43:07,862 INFO L226 Difference]: Without dead ends: 4172 [2021-12-22 15:43:07,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-22 15:43:07,886 INFO L933 BasicCegarLoop]: 4957 mSDtfsCounter, 5569 mSDsluCounter, 9834 mSDsCounter, 0 mSdLazyCounter, 4550 mSolverCounterSat, 2914 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6158 SdHoareTripleChecker+Valid, 14791 SdHoareTripleChecker+Invalid, 7464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2914 IncrementalHoareTripleChecker+Valid, 4550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2021-12-22 15:43:07,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6158 Valid, 14791 Invalid, 7464 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2914 Valid, 4550 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2021-12-22 15:43:07,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4172 states. [2021-12-22 15:43:08,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4172 to 3850. [2021-12-22 15:43:08,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3850 states, 2484 states have (on average 1.2536231884057971) internal successors, (3114), 2587 states have internal predecessors, (3114), 1149 states have call successors, (1149), 215 states have call predecessors, (1149), 214 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2021-12-22 15:43:08,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3850 states to 3850 states and 5409 transitions. [2021-12-22 15:43:08,103 INFO L78 Accepts]: Start accepts. Automaton has 3850 states and 5409 transitions. Word has length 62 [2021-12-22 15:43:08,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:43:08,104 INFO L470 AbstractCegarLoop]: Abstraction has 3850 states and 5409 transitions. [2021-12-22 15:43:08,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-22 15:43:08,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3850 states and 5409 transitions. [2021-12-22 15:43:08,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-12-22 15:43:08,106 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:43:08,107 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2021-12-22 15:43:08,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:43:08,107 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:43:08,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:43:08,108 INFO L85 PathProgramCache]: Analyzing trace with hash 828887405, now seen corresponding path program 1 times [2021-12-22 15:43:08,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:43:08,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314773270] [2021-12-22 15:43:08,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:43:08,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:43:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:08,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:43:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:08,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:43:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:08,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:43:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:08,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-22 15:43:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:08,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:43:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:08,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:43:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:08,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 15:43:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:08,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 15:43:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:08,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:43:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:08,526 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-22 15:43:08,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:43:08,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314773270] [2021-12-22 15:43:08,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314773270] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:43:08,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:43:08,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:43:08,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848159707] [2021-12-22 15:43:08,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:43:08,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:43:08,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:43:08,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:43:08,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:43:08,530 INFO L87 Difference]: Start difference. First operand 3850 states and 5409 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 15:43:18,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:43:20,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:43:21,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:43:21,435 INFO L93 Difference]: Finished difference Result 4176 states and 5943 transitions. [2021-12-22 15:43:21,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:43:21,435 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 67 [2021-12-22 15:43:21,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:43:21,460 INFO L225 Difference]: With dead ends: 4176 [2021-12-22 15:43:21,461 INFO L226 Difference]: Without dead ends: 4174 [2021-12-22 15:43:21,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-22 15:43:21,466 INFO L933 BasicCegarLoop]: 4920 mSDtfsCounter, 5535 mSDsluCounter, 9779 mSDsCounter, 0 mSdLazyCounter, 4448 mSolverCounterSat, 2887 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6143 SdHoareTripleChecker+Valid, 14699 SdHoareTripleChecker+Invalid, 7337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2887 IncrementalHoareTripleChecker+Valid, 4448 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2021-12-22 15:43:21,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6143 Valid, 14699 Invalid, 7337 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2887 Valid, 4448 Invalid, 2 Unknown, 0 Unchecked, 12.4s Time] [2021-12-22 15:43:21,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4174 states. [2021-12-22 15:43:21,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4174 to 3854. [2021-12-22 15:43:21,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3854 states, 2487 states have (on average 1.253317249698432) internal successors, (3117), 2590 states have internal predecessors, (3117), 1149 states have call successors, (1149), 216 states have call predecessors, (1149), 215 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2021-12-22 15:43:21,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3854 states to 3854 states and 5412 transitions. [2021-12-22 15:43:21,602 INFO L78 Accepts]: Start accepts. Automaton has 3854 states and 5412 transitions. Word has length 67 [2021-12-22 15:43:21,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:43:21,602 INFO L470 AbstractCegarLoop]: Abstraction has 3854 states and 5412 transitions. [2021-12-22 15:43:21,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 15:43:21,603 INFO L276 IsEmpty]: Start isEmpty. Operand 3854 states and 5412 transitions. [2021-12-22 15:43:21,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-12-22 15:43:21,604 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:43:21,605 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:43:21,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:43:21,605 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:43:21,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:43:21,607 INFO L85 PathProgramCache]: Analyzing trace with hash -541766877, now seen corresponding path program 1 times [2021-12-22 15:43:21,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:43:21,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885836995] [2021-12-22 15:43:21,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:43:21,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:43:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:21,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:43:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:21,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:43:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:21,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:43:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:21,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-22 15:43:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:21,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:43:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:21,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:43:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:21,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 15:43:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:21,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 15:43:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:21,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:43:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:21,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 15:43:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:22,002 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-22 15:43:22,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:43:22,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885836995] [2021-12-22 15:43:22,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885836995] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:43:22,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:43:22,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:43:22,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361202419] [2021-12-22 15:43:22,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:43:22,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:43:22,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:43:22,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:43:22,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:43:22,005 INFO L87 Difference]: Start difference. First operand 3854 states and 5412 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-22 15:43:30,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:43:30,155 INFO L93 Difference]: Finished difference Result 4180 states and 5946 transitions. [2021-12-22 15:43:30,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:43:30,156 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 72 [2021-12-22 15:43:30,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:43:30,179 INFO L225 Difference]: With dead ends: 4180 [2021-12-22 15:43:30,180 INFO L226 Difference]: Without dead ends: 4178 [2021-12-22 15:43:30,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-22 15:43:30,186 INFO L933 BasicCegarLoop]: 4919 mSDtfsCounter, 5534 mSDsluCounter, 9775 mSDsCounter, 0 mSdLazyCounter, 4450 mSolverCounterSat, 2886 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6144 SdHoareTripleChecker+Valid, 14694 SdHoareTripleChecker+Invalid, 7336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2886 IncrementalHoareTripleChecker+Valid, 4450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:43:30,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6144 Valid, 14694 Invalid, 7336 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2886 Valid, 4450 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2021-12-22 15:43:30,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4178 states. [2021-12-22 15:43:30,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4178 to 3858. [2021-12-22 15:43:30,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3858 states, 2490 states have (on average 1.2530120481927711) internal successors, (3120), 2593 states have internal predecessors, (3120), 1149 states have call successors, (1149), 217 states have call predecessors, (1149), 216 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2021-12-22 15:43:30,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 5415 transitions. [2021-12-22 15:43:30,445 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 5415 transitions. Word has length 72 [2021-12-22 15:43:30,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:43:30,446 INFO L470 AbstractCegarLoop]: Abstraction has 3858 states and 5415 transitions. [2021-12-22 15:43:30,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-22 15:43:30,447 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 5415 transitions. [2021-12-22 15:43:30,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-22 15:43:30,449 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:43:30,449 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:43:30,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:43:30,449 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:43:30,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:43:30,450 INFO L85 PathProgramCache]: Analyzing trace with hash -895841555, now seen corresponding path program 1 times [2021-12-22 15:43:30,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:43:30,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603367890] [2021-12-22 15:43:30,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:43:30,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:43:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:30,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:43:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:30,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:43:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:30,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:43:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:30,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-22 15:43:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:30,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:43:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:30,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:43:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:30,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 15:43:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:30,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 15:43:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:30,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:43:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:30,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 15:43:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:30,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-22 15:43:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:43:30,836 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 15:43:30,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:43:30,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603367890] [2021-12-22 15:43:30,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603367890] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:43:30,838 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:43:30,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:43:30,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157620044] [2021-12-22 15:43:30,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:43:30,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:43:30,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:43:30,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:43:30,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:43:30,840 INFO L87 Difference]: Start difference. First operand 3858 states and 5415 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 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)