./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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-challenges/linux-3.14_complex_emg_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 678d1ed0889f06c506279e4c19484f47385b64dd1d4a949ec484624bf8468835 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:59:44,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:59:44,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:59:44,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:59:44,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:59:44,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:59:44,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:59:44,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:59:44,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:59:44,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:59:44,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:59:44,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:59:44,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:59:44,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:59:44,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:59:44,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:59:44,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:59:44,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:59:44,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:59:44,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:59:44,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:59:44,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:59:44,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:59:44,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:59:44,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:59:44,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:59:44,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:59:44,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:59:44,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:59:44,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:59:44,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:59:44,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:59:44,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:59:44,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:59:44,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:59:44,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:59:44,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:59:44,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:59:44,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:59:44,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:59:44,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:59:44,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:59:44,335 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:59:44,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:59:44,336 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:59:44,336 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:59:44,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:59:44,337 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:59:44,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:59:44,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:59:44,338 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:59:44,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:59:44,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:59:44,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:59:44,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:59:44,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:59:44,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:59:44,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:59:44,339 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:59:44,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:59:44,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:59:44,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:59:44,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:59:44,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:59:44,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:59:44,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:59:44,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:59:44,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:59:44,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:59:44,341 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:59:44,341 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:59:44,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:59:44,341 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:59:44,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 678d1ed0889f06c506279e4c19484f47385b64dd1d4a949ec484624bf8468835 [2021-12-14 18:59:44,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:59:44,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:59:44,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:59:44,532 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:59:44,532 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:59:44,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-12-14 18:59:44,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81b0da553/e6c3f7ccbfe24dbb9ec0eec16e72ca95/FLAG693d320e6 [2021-12-14 18:59:45,321 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:59:45,322 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-12-14 18:59:45,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81b0da553/e6c3f7ccbfe24dbb9ec0eec16e72ca95/FLAG693d320e6 [2021-12-14 18:59:45,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81b0da553/e6c3f7ccbfe24dbb9ec0eec16e72ca95 [2021-12-14 18:59:45,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:59:45,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:59:45,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:59:45,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:59:45,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:59:45,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:59:45" (1/1) ... [2021-12-14 18:59:45,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f7b9145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:45, skipping insertion in model container [2021-12-14 18:59:45,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:59:45" (1/1) ... [2021-12-14 18:59:45,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:59:45,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:59:51,431 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596672,596685] [2021-12-14 18:59:51,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596841,596854] [2021-12-14 18:59:51,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597008,597021] [2021-12-14 18:59:51,438 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597176,597189] [2021-12-14 18:59:51,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:59:51,523 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:59:51,970 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596672,596685] [2021-12-14 18:59:51,970 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596841,596854] [2021-12-14 18:59:51,970 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597008,597021] [2021-12-14 18:59:51,971 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597176,597189] [2021-12-14 18:59:51,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:59:52,199 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:59:52,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:52 WrapperNode [2021-12-14 18:59:52,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:59:52,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:59:52,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:59:52,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:59:52,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:52" (1/1) ... [2021-12-14 18:59:52,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:52" (1/1) ... [2021-12-14 18:59:52,651 INFO L137 Inliner]: procedures = 824, calls = 5679, calls flagged for inlining = 430, calls inlined = 371, statements flattened = 11405 [2021-12-14 18:59:52,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:59:52,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:59:52,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:59:52,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:59:52,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:52" (1/1) ... [2021-12-14 18:59:52,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:52" (1/1) ... [2021-12-14 18:59:52,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:52" (1/1) ... [2021-12-14 18:59:52,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:52" (1/1) ... [2021-12-14 18:59:52,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:52" (1/1) ... [2021-12-14 18:59:52,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:52" (1/1) ... [2021-12-14 18:59:52,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:52" (1/1) ... [2021-12-14 18:59:53,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:59:53,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:59:53,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:59:53,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:59:53,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:52" (1/1) ... [2021-12-14 18:59:53,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:59:53,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:59:53,035 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) [2021-12-14 18:59:53,039 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 [2021-12-14 18:59:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:59:53,057 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:59:53,057 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2021-12-14 18:59:53,057 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2021-12-14 18:59:53,057 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2021-12-14 18:59:53,057 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2021-12-14 18:59:53,057 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2021-12-14 18:59:53,057 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2021-12-14 18:59:53,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:59:53,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:59:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2021-12-14 18:59:53,058 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2021-12-14 18:59:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2021-12-14 18:59:53,058 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2021-12-14 18:59:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:59:53,058 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:59:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-12-14 18:59:53,058 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-12-14 18:59:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:59:53,059 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:59:53,059 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2021-12-14 18:59:53,059 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2021-12-14 18:59:53,059 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 18:59:53,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 18:59:53,059 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-12-14 18:59:53,059 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-12-14 18:59:53,059 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2021-12-14 18:59:53,060 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2021-12-14 18:59:53,060 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:59:53,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:59:53,060 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:59:53,060 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:59:53,060 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2021-12-14 18:59:53,060 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2021-12-14 18:59:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 18:59:53,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 18:59:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 18:59:53,061 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 18:59:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-12-14 18:59:53,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-12-14 18:59:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2021-12-14 18:59:53,061 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2021-12-14 18:59:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:59:53,062 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:59:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2021-12-14 18:59:53,062 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2021-12-14 18:59:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:59:53,062 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:59:53,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:59:53,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:59:53,063 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2021-12-14 18:59:53,064 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2021-12-14 18:59:53,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:59:53,064 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2021-12-14 18:59:53,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2021-12-14 18:59:53,065 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2021-12-14 18:59:53,065 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2021-12-14 18:59:53,065 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-14 18:59:53,065 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-14 18:59:53,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:59:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:59:53,066 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-14 18:59:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-14 18:59:53,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-14 18:59:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-14 18:59:53,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 18:59:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 18:59:53,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:59:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:59:53,066 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-12-14 18:59:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-12-14 18:59:53,067 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-14 18:59:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-14 18:59:53,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:59:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:59:53,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:59:53,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:59:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:59:53,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:59:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:59:53,068 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2021-12-14 18:59:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2021-12-14 18:59:53,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-14 18:59:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-14 18:59:53,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-14 18:59:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-14 18:59:53,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-12-14 18:59:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-12-14 18:59:53,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-12-14 18:59:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-12-14 18:59:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-14 18:59:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-14 18:59:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:59:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2021-12-14 18:59:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2021-12-14 18:59:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2021-12-14 18:59:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2021-12-14 18:59:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2021-12-14 18:59:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2021-12-14 18:59:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:59:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:59:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:59:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:59:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:59:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:59:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2021-12-14 18:59:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2021-12-14 18:59:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 18:59:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 18:59:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-12-14 18:59:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-12-14 18:59:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2021-12-14 18:59:53,073 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2021-12-14 18:59:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-14 18:59:53,074 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-14 18:59:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:59:53,074 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:59:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2021-12-14 18:59:53,075 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2021-12-14 18:59:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:59:53,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:59:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2021-12-14 18:59:53,075 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2021-12-14 18:59:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:59:53,075 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:59:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2021-12-14 18:59:53,075 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2021-12-14 18:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:59:53,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2021-12-14 18:59:53,076 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2021-12-14 18:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 18:59:53,076 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 18:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2021-12-14 18:59:53,076 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2021-12-14 18:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 18:59:53,076 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 18:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 18:59:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 18:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-14 18:59:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-14 18:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-12-14 18:59:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-12-14 18:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:59:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2021-12-14 18:59:53,078 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2021-12-14 18:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-14 18:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2021-12-14 18:59:53,078 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2021-12-14 18:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 18:59:53,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 18:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2021-12-14 18:59:53,078 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2021-12-14 18:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2021-12-14 18:59:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2021-12-14 18:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:59:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-14 18:59:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-14 18:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-14 18:59:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-14 18:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2021-12-14 18:59:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2021-12-14 18:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:59:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:59:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-14 18:59:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-14 18:59:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-14 18:59:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-14 18:59:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2021-12-14 18:59:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2021-12-14 18:59:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-14 18:59:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-14 18:59:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2021-12-14 18:59:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2021-12-14 18:59:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2021-12-14 18:59:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2021-12-14 18:59:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2021-12-14 18:59:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2021-12-14 18:59:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2021-12-14 18:59:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2021-12-14 18:59:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:59:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:59:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:59:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:59:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2021-12-14 18:59:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2021-12-14 18:59:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-14 18:59:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-14 18:59:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2021-12-14 18:59:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2021-12-14 18:59:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:59:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:59:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2021-12-14 18:59:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2021-12-14 18:59:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 18:59:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 18:59:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2021-12-14 18:59:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2021-12-14 18:59:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-14 18:59:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-14 18:59:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2021-12-14 18:59:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2021-12-14 18:59:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 18:59:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 18:59:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-14 18:59:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-14 18:59:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2021-12-14 18:59:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2021-12-14 18:59:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:59:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:59:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2021-12-14 18:59:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2021-12-14 18:59:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:59:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2021-12-14 18:59:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2021-12-14 18:59:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:59:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:59:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-12-14 18:59:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-12-14 18:59:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-14 18:59:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-14 18:59:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-12-14 18:59:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-12-14 18:59:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 18:59:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 18:59:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-14 18:59:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-14 18:59:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-14 18:59:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-14 18:59:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2021-12-14 18:59:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2021-12-14 18:59:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2021-12-14 18:59:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2021-12-14 18:59:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:59:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:59:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:59:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:59:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-14 18:59:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-14 18:59:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2021-12-14 18:59:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2021-12-14 18:59:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:59:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:59:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-14 18:59:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-14 18:59:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2021-12-14 18:59:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2021-12-14 18:59:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2021-12-14 18:59:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2021-12-14 18:59:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2021-12-14 18:59:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2021-12-14 18:59:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-12-14 18:59:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-12-14 18:59:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-12-14 18:59:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-12-14 18:59:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:59:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:59:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2021-12-14 18:59:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2021-12-14 18:59:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 18:59:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 18:59:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2021-12-14 18:59:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2021-12-14 18:59:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:59:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:59:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:59:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:59:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2021-12-14 18:59:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2021-12-14 18:59:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:59:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-14 18:59:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-14 18:59:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2021-12-14 18:59:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2021-12-14 18:59:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-14 18:59:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-14 18:59:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-14 18:59:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-14 18:59:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:59:53,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:59:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2021-12-14 18:59:53,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2021-12-14 18:59:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:59:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-14 18:59:53,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-14 18:59:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:59:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:59:53,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:59:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2021-12-14 18:59:53,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2021-12-14 18:59:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:59:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:59:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 18:59:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 18:59:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:59:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:59:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2021-12-14 18:59:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2021-12-14 18:59:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-14 18:59:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-14 18:59:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2021-12-14 18:59:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2021-12-14 18:59:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2021-12-14 18:59:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2021-12-14 18:59:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:59:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:59:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-12-14 18:59:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-12-14 18:59:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:59:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:59:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2021-12-14 18:59:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2021-12-14 18:59:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2021-12-14 18:59:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2021-12-14 18:59:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-14 18:59:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-14 18:59:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2021-12-14 18:59:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2021-12-14 18:59:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-12-14 18:59:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-12-14 18:59:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-14 18:59:53,096 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-14 18:59:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2021-12-14 18:59:53,096 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2021-12-14 18:59:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:59:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:59:53,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:59:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2021-12-14 18:59:53,096 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2021-12-14 18:59:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:59:53,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:59:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2021-12-14 18:59:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2021-12-14 18:59:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-14 18:59:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-14 18:59:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2021-12-14 18:59:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2021-12-14 18:59:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2021-12-14 18:59:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2021-12-14 18:59:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-14 18:59:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-14 18:59:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2021-12-14 18:59:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2021-12-14 18:59:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-14 18:59:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-14 18:59:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-14 18:59:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-14 18:59:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2021-12-14 18:59:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2021-12-14 18:59:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2021-12-14 18:59:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2021-12-14 18:59:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-14 18:59:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-14 18:59:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2021-12-14 18:59:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2021-12-14 18:59:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_sky2_port [2021-12-14 18:59:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_sky2_port [2021-12-14 18:59:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2021-12-14 18:59:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2021-12-14 18:59:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-14 18:59:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-14 18:59:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-14 18:59:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-14 18:59:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:59:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:59:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-14 18:59:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-14 18:59:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:59:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:59:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:59:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2021-12-14 18:59:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2021-12-14 18:59:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 18:59:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 18:59:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-14 18:59:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-14 18:59:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-14 18:59:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-14 18:59:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-14 18:59:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-14 18:59:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-14 18:59:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-14 18:59:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:59:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:59:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2021-12-14 18:59:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2021-12-14 18:59:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2021-12-14 18:59:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2021-12-14 18:59:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-14 18:59:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-14 18:59:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2021-12-14 18:59:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2021-12-14 18:59:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2021-12-14 18:59:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2021-12-14 18:59:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2021-12-14 18:59:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2021-12-14 18:59:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:59:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:59:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-14 18:59:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-14 18:59:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2021-12-14 18:59:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2021-12-14 18:59:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-14 18:59:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-14 18:59:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2021-12-14 18:59:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2021-12-14 18:59:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:59:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:59:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-14 18:59:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-14 18:59:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-14 18:59:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-14 18:59:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2021-12-14 18:59:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2021-12-14 18:59:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 18:59:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 18:59:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2021-12-14 18:59:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2021-12-14 18:59:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-14 18:59:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-14 18:59:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-14 18:59:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-14 18:59:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2021-12-14 18:59:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2021-12-14 18:59:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:59:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:59:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-14 18:59:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-14 18:59:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2021-12-14 18:59:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2021-12-14 18:59:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2021-12-14 18:59:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2021-12-14 18:59:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-14 18:59:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-14 18:59:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:59:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:59:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2021-12-14 18:59:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2021-12-14 18:59:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:59:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2021-12-14 18:59:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2021-12-14 18:59:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:59:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:59:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-14 18:59:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-14 18:59:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2021-12-14 18:59:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2021-12-14 18:59:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-14 18:59:54,297 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:59:54,301 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:59:54,410 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 19:00:05,594 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 19:00:05,667 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 19:00:05,684 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 19:00:05,684 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-12-14 19:00:05,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:00:05 BoogieIcfgContainer [2021-12-14 19:00:05,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 19:00:05,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 19:00:05,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 19:00:05,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 19:00:05,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:59:45" (1/3) ... [2021-12-14 19:00:05,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600282ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:00:05, skipping insertion in model container [2021-12-14 19:00:05,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:52" (2/3) ... [2021-12-14 19:00:05,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600282ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:00:05, skipping insertion in model container [2021-12-14 19:00:05,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:00:05" (3/3) ... [2021-12-14 19:00:05,697 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-12-14 19:00:05,701 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 19:00:05,702 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-14 19:00:05,744 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 19:00:05,748 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 [2021-12-14 19:00:05,748 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-14 19:00:05,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 4377 states, 2916 states have (on average 1.2908093278463648) internal successors, (3764), 2997 states have internal predecessors, (3764), 1244 states have call successors, (1244), 216 states have call predecessors, (1244), 215 states have return successors, (1234), 1209 states have call predecessors, (1234), 1234 states have call successors, (1234) [2021-12-14 19:00:05,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-12-14 19:00:05,823 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:00:05,825 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:00:05,825 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)] === [2021-12-14 19:00:05,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:00:05,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1796799361, now seen corresponding path program 1 times [2021-12-14 19:00:05,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:00:05,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969955162] [2021-12-14 19:00:05,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:00:05,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:00:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:00:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:00:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:00:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:00:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:00:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:00:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:00:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:00:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:00:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:00:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:00:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:00:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:00:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:00:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:06,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:00:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 19:00:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 19:00:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 19:00:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 19:00:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 19:00:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 19:00:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 19:00:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 19:00:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 19:00:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 19:00:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 19:00:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 19:00:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 19:00:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 19:00:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 19:00:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 19:00:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 19:00:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-14 19:00:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-14 19:00:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2021-12-14 19:00:07,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:00:07,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969955162] [2021-12-14 19:00:07,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969955162] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:00:07,346 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:00:07,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:00:07,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885375463] [2021-12-14 19:00:07,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:00:07,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:00:07,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:00:07,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:00:07,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:00:07,376 INFO L87 Difference]: Start difference. First operand has 4377 states, 2916 states have (on average 1.2908093278463648) internal successors, (3764), 2997 states have internal predecessors, (3764), 1244 states have call successors, (1244), 216 states have call predecessors, (1244), 215 states have return successors, (1234), 1209 states have call predecessors, (1234), 1234 states have call successors, (1234) Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-14 19:00:18,694 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 [] [2021-12-14 19:00:19,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:00:19,802 INFO L93 Difference]: Finished difference Result 13275 states and 19411 transitions. [2021-12-14 19:00:19,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 19:00:19,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 382 [2021-12-14 19:00:19,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:00:19,894 INFO L225 Difference]: With dead ends: 13275 [2021-12-14 19:00:19,895 INFO L226 Difference]: Without dead ends: 8951 [2021-12-14 19:00:19,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 19:00:19,928 INFO L933 BasicCegarLoop]: 6397 mSDtfsCounter, 7658 mSDsluCounter, 6786 mSDsCounter, 0 mSdLazyCounter, 4332 mSolverCounterSat, 4168 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8819 SdHoareTripleChecker+Valid, 13183 SdHoareTripleChecker+Invalid, 8501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4168 IncrementalHoareTripleChecker+Valid, 4332 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2021-12-14 19:00:19,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8819 Valid, 13183 Invalid, 8501 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4168 Valid, 4332 Invalid, 1 Unknown, 0 Unchecked, 11.6s Time] [2021-12-14 19:00:19,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8951 states. [2021-12-14 19:00:20,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8951 to 8419. [2021-12-14 19:00:20,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8419 states, 5601 states have (on average 1.2776289948223531) internal successors, (7156), 5762 states have internal predecessors, (7156), 2389 states have call successors, (2389), 427 states have call predecessors, (2389), 426 states have return successors, (2385), 2335 states have call predecessors, (2385), 2385 states have call successors, (2385) [2021-12-14 19:00:20,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8419 states to 8419 states and 11930 transitions. [2021-12-14 19:00:20,433 INFO L78 Accepts]: Start accepts. Automaton has 8419 states and 11930 transitions. Word has length 382 [2021-12-14 19:00:20,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:00:20,436 INFO L470 AbstractCegarLoop]: Abstraction has 8419 states and 11930 transitions. [2021-12-14 19:00:20,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-14 19:00:20,437 INFO L276 IsEmpty]: Start isEmpty. Operand 8419 states and 11930 transitions. [2021-12-14 19:00:20,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2021-12-14 19:00:20,452 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:00:20,452 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:00:20,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 19:00:20,453 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_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)] === [2021-12-14 19:00:20,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:00:20,454 INFO L85 PathProgramCache]: Analyzing trace with hash 259100557, now seen corresponding path program 1 times [2021-12-14 19:00:20,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:00:20,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694224965] [2021-12-14 19:00:20,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:00:20,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:00:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:20,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:00:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:20,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:20,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:00:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:20,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:20,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:00:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:20,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:20,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:00:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:20,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:20,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:00:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:20,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:20,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:00:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:20,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:20,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:00:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:20,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:20,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:00:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:20,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:20,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:00:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:00:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:00:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:00:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:00:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:00:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:00:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 19:00:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 19:00:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 19:00:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 19:00:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 19:00:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 19:00:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 19:00:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 19:00:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 19:00:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 19:00:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 19:00:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 19:00:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 19:00:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 19:00:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 19:00:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 19:00:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 19:00:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-14 19:00:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-14 19:00:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-14 19:00:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:21,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2021-12-14 19:00:21,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:00:21,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694224965] [2021-12-14 19:00:21,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694224965] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:00:21,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:00:21,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:00:21,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966479308] [2021-12-14 19:00:21,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:00:21,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:00:21,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:00:21,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:00:21,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:00:21,417 INFO L87 Difference]: Start difference. First operand 8419 states and 11930 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-14 19:00:33,894 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 [] [2021-12-14 19:00:35,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:00:35,476 INFO L93 Difference]: Finished difference Result 21018 states and 29973 transitions. [2021-12-14 19:00:35,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 19:00:35,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 415 [2021-12-14 19:00:35,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:00:35,565 INFO L225 Difference]: With dead ends: 21018 [2021-12-14 19:00:35,565 INFO L226 Difference]: Without dead ends: 12668 [2021-12-14 19:00:35,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 19:00:35,600 INFO L933 BasicCegarLoop]: 6346 mSDtfsCounter, 7165 mSDsluCounter, 6810 mSDsCounter, 0 mSdLazyCounter, 4277 mSolverCounterSat, 4094 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8243 SdHoareTripleChecker+Valid, 13156 SdHoareTripleChecker+Invalid, 8372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4094 IncrementalHoareTripleChecker+Valid, 4277 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2021-12-14 19:00:35,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8243 Valid, 13156 Invalid, 8372 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4094 Valid, 4277 Invalid, 1 Unknown, 0 Unchecked, 13.3s Time] [2021-12-14 19:00:35,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12668 states. [2021-12-14 19:00:36,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12668 to 11858. [2021-12-14 19:00:36,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11858 states, 7875 states have (on average 1.274031746031746) internal successors, (10033), 8100 states have internal predecessors, (10033), 3358 states have call successors, (3358), 624 states have call predecessors, (3358), 622 states have return successors, (3354), 3276 states have call predecessors, (3354), 3354 states have call successors, (3354) [2021-12-14 19:00:36,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11858 states to 11858 states and 16745 transitions. [2021-12-14 19:00:36,164 INFO L78 Accepts]: Start accepts. Automaton has 11858 states and 16745 transitions. Word has length 415 [2021-12-14 19:00:36,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:00:36,167 INFO L470 AbstractCegarLoop]: Abstraction has 11858 states and 16745 transitions. [2021-12-14 19:00:36,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-14 19:00:36,167 INFO L276 IsEmpty]: Start isEmpty. Operand 11858 states and 16745 transitions. [2021-12-14 19:00:36,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2021-12-14 19:00:36,179 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:00:36,179 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:00:36,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 19:00:36,180 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_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)] === [2021-12-14 19:00:36,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:00:36,180 INFO L85 PathProgramCache]: Analyzing trace with hash 337939319, now seen corresponding path program 1 times [2021-12-14 19:00:36,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:00:36,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610051200] [2021-12-14 19:00:36,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:00:36,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:00:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:00:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:00:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:00:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:00:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:00:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:00:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:00:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:00:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:00:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:00:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:00:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:00:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:00:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:00:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:00:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 19:00:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 19:00:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 19:00:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 19:00:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 19:00:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 19:00:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 19:00:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 19:00:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 19:00:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 19:00:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 19:00:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 19:00:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 19:00:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 19:00:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:36,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 19:00:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:37,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:37,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 19:00:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:37,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:37,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 19:00:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:37,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:37,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-14 19:00:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:37,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-14 19:00:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:37,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-14 19:00:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:37,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:37,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2021-12-14 19:00:37,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:00:37,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610051200] [2021-12-14 19:00:37,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610051200] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:00:37,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:00:37,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:00:37,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103685678] [2021-12-14 19:00:37,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:00:37,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:00:37,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:00:37,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:00:37,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:00:37,079 INFO L87 Difference]: Start difference. First operand 11858 states and 16745 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37)