./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 ff03de63 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-dev-ff03de6 [2021-12-21 17:27:23,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 17:27:23,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 17:27:23,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 17:27:23,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 17:27:23,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 17:27:23,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 17:27:23,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 17:27:23,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 17:27:23,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 17:27:23,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 17:27:23,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 17:27:23,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 17:27:23,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 17:27:23,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 17:27:23,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 17:27:23,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 17:27:23,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 17:27:23,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 17:27:23,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 17:27:23,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 17:27:23,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 17:27:23,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 17:27:23,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 17:27:23,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 17:27:23,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 17:27:23,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 17:27:23,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 17:27:23,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 17:27:23,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 17:27:23,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 17:27:23,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 17:27:23,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 17:27:23,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 17:27:23,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 17:27:23,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 17:27:23,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 17:27:23,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 17:27:23,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 17:27:23,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 17:27:23,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 17:27:23,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 17:27:23,930 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 17:27:23,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 17:27:23,931 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 17:27:23,931 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 17:27:23,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 17:27:23,932 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 17:27:23,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 17:27:23,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 17:27:23,933 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 17:27:23,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 17:27:23,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 17:27:23,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 17:27:23,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 17:27:23,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 17:27:23,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 17:27:23,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 17:27:23,935 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 17:27:23,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 17:27:23,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 17:27:23,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 17:27:23,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 17:27:23,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:27:23,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 17:27:23,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 17:27:23,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 17:27:23,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 17:27:23,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 17:27:23,936 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 17:27:23,936 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 17:27:23,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 17:27:23,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 17:27:23,937 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 678d1ed0889f06c506279e4c19484f47385b64dd1d4a949ec484624bf8468835 [2021-12-21 17:27:24,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 17:27:24,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 17:27:24,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 17:27:24,119 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 17:27:24,120 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 17:27:24,120 INFO L432 ainManager$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 [2021-12-21 17:27:24,159 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/171507abc/451bdd8811484abd975d1085753f1ad3/FLAG4826d56dd [2021-12-21 17:27:25,153 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 17:27:25,154 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 [2021-12-21 17:27:25,248 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/171507abc/451bdd8811484abd975d1085753f1ad3/FLAG4826d56dd [2021-12-21 17:27:25,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/171507abc/451bdd8811484abd975d1085753f1ad3 [2021-12-21 17:27:25,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 17:27:25,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 17:27:25,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 17:27:25,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 17:27:25,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 17:27:25,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:27:25" (1/1) ... [2021-12-21 17:27:25,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c080d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:27:25, skipping insertion in model container [2021-12-21 17:27:25,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:27:25" (1/1) ... [2021-12-21 17:27:25,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 17:27:25,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 17:27:30,319 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] [2021-12-21 17:27:30,321 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] [2021-12-21 17:27:30,321 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] [2021-12-21 17:27:30,322 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] [2021-12-21 17:27:30,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:27:30,421 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 17:27:30,803 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] [2021-12-21 17:27:30,804 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] [2021-12-21 17:27:30,804 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] [2021-12-21 17:27:30,804 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] [2021-12-21 17:27:30,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:27:31,049 INFO L208 MainTranslator]: Completed translation [2021-12-21 17:27:31,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:27:31 WrapperNode [2021-12-21 17:27:31,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 17:27:31,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 17:27:31,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 17:27:31,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 17:27:31,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:27:31" (1/1) ... [2021-12-21 17:27:31,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:27:31" (1/1) ... [2021-12-21 17:27:31,376 INFO L137 Inliner]: procedures = 824, calls = 5679, calls flagged for inlining = 430, calls inlined = 371, statements flattened = 11405 [2021-12-21 17:27:31,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 17:27:31,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 17:27:31,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 17:27:31,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 17:27:31,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:27:31" (1/1) ... [2021-12-21 17:27:31,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:27:31" (1/1) ... [2021-12-21 17:27:31,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:27:31" (1/1) ... [2021-12-21 17:27:31,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:27:31" (1/1) ... [2021-12-21 17:27:31,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:27:31" (1/1) ... [2021-12-21 17:27:31,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:27:31" (1/1) ... [2021-12-21 17:27:31,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:27:31" (1/1) ... [2021-12-21 17:27:31,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 17:27:31,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 17:27:31,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 17:27:31,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 17:27:31,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:27:31" (1/1) ... [2021-12-21 17:27:31,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:27:31,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:27:31,893 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) [2021-12-21 17:27:31,919 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 [2021-12-21 17:27:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 17:27:31,936 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 17:27:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2021-12-21 17:27:31,936 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2021-12-21 17:27:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2021-12-21 17:27:31,936 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2021-12-21 17:27:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2021-12-21 17:27:31,936 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2021-12-21 17:27:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-21 17:27:31,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-21 17:27:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2021-12-21 17:27:31,937 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2021-12-21 17:27:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2021-12-21 17:27:31,937 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2021-12-21 17:27:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 17:27:31,937 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 17:27:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-12-21 17:27:31,938 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-12-21 17:27:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 17:27:31,938 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 17:27:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2021-12-21 17:27:31,938 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2021-12-21 17:27:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-21 17:27:31,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-21 17:27:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-12-21 17:27:31,939 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-12-21 17:27:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2021-12-21 17:27:31,939 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2021-12-21 17:27:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 17:27:31,939 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 17:27:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 17:27:31,939 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 17:27:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2021-12-21 17:27:31,940 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2021-12-21 17:27:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-21 17:27:31,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-21 17:27:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-21 17:27:31,940 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-21 17:27:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-12-21 17:27:31,940 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-12-21 17:27:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2021-12-21 17:27:31,941 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2021-12-21 17:27:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 17:27:31,941 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 17:27:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2021-12-21 17:27:31,941 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2021-12-21 17:27:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 17:27:31,941 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 17:27:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 17:27:31,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 17:27:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2021-12-21 17:27:31,943 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2021-12-21 17:27:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 17:27:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2021-12-21 17:27:31,943 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2021-12-21 17:27:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2021-12-21 17:27:31,943 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2021-12-21 17:27:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-21 17:27:31,944 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-21 17:27:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-21 17:27:31,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-21 17:27:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-21 17:27:31,945 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-21 17:27:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-21 17:27:31,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-21 17:27:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-21 17:27:31,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-21 17:27:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 17:27:31,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 17:27:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-12-21 17:27:31,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-12-21 17:27:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-21 17:27:31,946 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-21 17:27:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-21 17:27:31,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-21 17:27:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 17:27:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-21 17:27:31,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-21 17:27:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-21 17:27:31,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-21 17:27:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2021-12-21 17:27:31,947 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2021-12-21 17:27:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-21 17:27:31,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-21 17:27:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-21 17:27:31,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-21 17:27:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-12-21 17:27:31,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-12-21 17:27:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-12-21 17:27:31,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-12-21 17:27:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-21 17:27:31,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-21 17:27:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 17:27:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2021-12-21 17:27:31,949 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2021-12-21 17:27:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2021-12-21 17:27:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2021-12-21 17:27:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2021-12-21 17:27:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2021-12-21 17:27:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 17:27:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 17:27:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 17:27:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 17:27:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 17:27:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 17:27:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2021-12-21 17:27:31,951 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2021-12-21 17:27:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-21 17:27:31,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-21 17:27:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-12-21 17:27:31,952 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-12-21 17:27:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2021-12-21 17:27:31,953 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2021-12-21 17:27:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-21 17:27:31,955 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-21 17:27:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 17:27:31,955 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 17:27:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2021-12-21 17:27:31,956 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2021-12-21 17:27:31,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-21 17:27:31,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-21 17:27:31,956 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2021-12-21 17:27:31,960 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2021-12-21 17:27:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 17:27:31,960 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 17:27:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2021-12-21 17:27:31,961 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2021-12-21 17:27:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 17:27:31,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 17:27:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2021-12-21 17:27:31,961 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2021-12-21 17:27:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 17:27:31,961 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 17:27:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2021-12-21 17:27:31,962 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2021-12-21 17:27:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 17:27:31,962 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 17:27:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 17:27:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 17:27:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 17:27:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-21 17:27:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-21 17:27:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-12-21 17:27:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-12-21 17:27:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-21 17:27:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-21 17:27:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2021-12-21 17:27:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2021-12-21 17:27:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-21 17:27:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2021-12-21 17:27:31,964 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2021-12-21 17:27:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-21 17:27:31,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-21 17:27:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2021-12-21 17:27:31,964 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2021-12-21 17:27:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2021-12-21 17:27:31,964 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2021-12-21 17:27:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-21 17:27:31,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-21 17:27:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-21 17:27:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-21 17:27:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-21 17:27:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-21 17:27:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2021-12-21 17:27:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2021-12-21 17:27:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 17:27:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 17:27:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-21 17:27:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-21 17:27:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-21 17:27:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-21 17:27:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2021-12-21 17:27:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2021-12-21 17:27:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-21 17:27:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-21 17:27:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2021-12-21 17:27:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2021-12-21 17:27:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2021-12-21 17:27:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2021-12-21 17:27:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2021-12-21 17:27:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2021-12-21 17:27:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2021-12-21 17:27:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2021-12-21 17:27:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 17:27:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 17:27:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 17:27:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 17:27:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2021-12-21 17:27:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2021-12-21 17:27:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-21 17:27:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-21 17:27:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2021-12-21 17:27:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2021-12-21 17:27:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 17:27:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 17:27:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2021-12-21 17:27:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2021-12-21 17:27:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 17:27:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 17:27:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2021-12-21 17:27:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2021-12-21 17:27:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-21 17:27:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-21 17:27:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2021-12-21 17:27:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2021-12-21 17:27:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-21 17:27:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-21 17:27:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-21 17:27:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-21 17:27:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2021-12-21 17:27:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2021-12-21 17:27:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 17:27:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 17:27:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2021-12-21 17:27:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2021-12-21 17:27:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 17:27:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2021-12-21 17:27:31,972 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2021-12-21 17:27:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 17:27:31,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 17:27:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-12-21 17:27:31,972 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-12-21 17:27:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-21 17:27:31,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-21 17:27:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-12-21 17:27:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-12-21 17:27:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 17:27:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 17:27:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-21 17:27:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-21 17:27:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-21 17:27:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-21 17:27:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2021-12-21 17:27:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2021-12-21 17:27:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2021-12-21 17:27:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2021-12-21 17:27:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-21 17:27:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-21 17:27:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 17:27:31,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 17:27:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-21 17:27:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-21 17:27:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2021-12-21 17:27:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2021-12-21 17:27:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 17:27:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 17:27:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-21 17:27:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-21 17:27:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2021-12-21 17:27:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2021-12-21 17:27:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2021-12-21 17:27:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2021-12-21 17:27:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2021-12-21 17:27:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2021-12-21 17:27:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-12-21 17:27:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-12-21 17:27:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-12-21 17:27:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-12-21 17:27:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 17:27:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 17:27:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2021-12-21 17:27:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2021-12-21 17:27:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-21 17:27:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-21 17:27:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2021-12-21 17:27:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2021-12-21 17:27:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-21 17:27:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-21 17:27:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 17:27:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 17:27:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2021-12-21 17:27:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2021-12-21 17:27:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 17:27:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-21 17:27:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-21 17:27:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2021-12-21 17:27:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2021-12-21 17:27:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-21 17:27:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-21 17:27:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-21 17:27:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-21 17:27:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 17:27:31,982 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 17:27:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2021-12-21 17:27:31,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2021-12-21 17:27:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 17:27:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-21 17:27:31,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-21 17:27:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 17:27:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 17:27:31,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 17:27:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2021-12-21 17:27:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2021-12-21 17:27:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 17:27:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 17:27:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-21 17:27:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-21 17:27:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-21 17:27:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-21 17:27:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2021-12-21 17:27:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2021-12-21 17:27:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-21 17:27:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-21 17:27:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2021-12-21 17:27:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2021-12-21 17:27:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2021-12-21 17:27:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2021-12-21 17:27:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:27:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:27:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-12-21 17:27:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-12-21 17:27:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:27:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:27:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2021-12-21 17:27:31,985 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2021-12-21 17:27:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2021-12-21 17:27:31,985 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2021-12-21 17:27:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-21 17:27:31,985 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-21 17:27:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2021-12-21 17:27:31,985 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2021-12-21 17:27:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-12-21 17:27:31,985 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-12-21 17:27:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-21 17:27:31,985 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-21 17:27:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2021-12-21 17:27:31,986 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2021-12-21 17:27:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 17:27:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 17:27:31,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 17:27:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2021-12-21 17:27:31,986 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2021-12-21 17:27:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-21 17:27:31,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-21 17:27:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2021-12-21 17:27:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2021-12-21 17:27:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-21 17:27:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-21 17:27:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2021-12-21 17:27:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2021-12-21 17:27:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2021-12-21 17:27:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2021-12-21 17:27:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-21 17:27:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-21 17:27:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2021-12-21 17:27:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2021-12-21 17:27:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-21 17:27:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-21 17:27:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-21 17:27:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-21 17:27:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2021-12-21 17:27:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2021-12-21 17:27:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2021-12-21 17:27:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2021-12-21 17:27:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-21 17:27:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-21 17:27:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2021-12-21 17:27:31,989 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2021-12-21 17:27:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_sky2_port [2021-12-21 17:27:31,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_sky2_port [2021-12-21 17:27:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2021-12-21 17:27:31,989 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2021-12-21 17:27:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-21 17:27:31,989 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-21 17:27:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-21 17:27:31,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-21 17:27:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-21 17:27:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-21 17:27:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-21 17:27:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-21 17:27:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-21 17:27:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-21 17:27:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 17:27:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2021-12-21 17:27:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2021-12-21 17:27:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-21 17:27:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-21 17:27:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-21 17:27:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-21 17:27:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-21 17:27:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-21 17:27:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-21 17:27:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-21 17:27:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-21 17:27:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-21 17:27:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 17:27:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 17:27:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2021-12-21 17:27:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2021-12-21 17:27:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2021-12-21 17:27:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2021-12-21 17:27:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-21 17:27:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-21 17:27:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2021-12-21 17:27:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2021-12-21 17:27:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2021-12-21 17:27:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2021-12-21 17:27:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2021-12-21 17:27:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2021-12-21 17:27:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 17:27:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 17:27:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-21 17:27:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-21 17:27:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2021-12-21 17:27:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2021-12-21 17:27:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-21 17:27:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-21 17:27:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2021-12-21 17:27:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2021-12-21 17:27:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 17:27:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 17:27:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-21 17:27:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-21 17:27:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-21 17:27:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-21 17:27:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2021-12-21 17:27:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2021-12-21 17:27:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-21 17:27:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-21 17:27:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2021-12-21 17:27:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2021-12-21 17:27:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-21 17:27:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-21 17:27:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-21 17:27:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-21 17:27:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2021-12-21 17:27:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2021-12-21 17:27:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 17:27:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 17:27:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-21 17:27:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-21 17:27:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2021-12-21 17:27:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2021-12-21 17:27:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2021-12-21 17:27:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2021-12-21 17:27:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-21 17:27:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-21 17:27:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 17:27:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 17:27:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2021-12-21 17:27:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2021-12-21 17:27:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 17:27:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2021-12-21 17:27:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2021-12-21 17:27:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-21 17:27:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-21 17:27:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-21 17:27:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-21 17:27:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2021-12-21 17:27:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2021-12-21 17:27:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-21 17:27:33,020 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 17:27:33,023 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 17:27:33,109 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 17:27:40,659 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-21 17:27:40,755 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 17:27:40,779 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 17:27:40,780 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-12-21 17:27:40,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:27:40 BoogieIcfgContainer [2021-12-21 17:27:40,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 17:27:40,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 17:27:40,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 17:27:40,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 17:27:40,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:27:25" (1/3) ... [2021-12-21 17:27:40,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9efeac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:27:40, skipping insertion in model container [2021-12-21 17:27:40,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:27:31" (2/3) ... [2021-12-21 17:27:40,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9efeac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:27:40, skipping insertion in model container [2021-12-21 17:27:40,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:27:40" (3/3) ... [2021-12-21 17:27:40,792 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-12-21 17:27:40,801 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 17:27:40,802 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-21 17:27:40,857 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 17:27:40,872 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 [2021-12-21 17:27:40,873 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-21 17:27:41,028 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) [2021-12-21 17:27:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-12-21 17:27:41,052 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:27:41,053 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] [2021-12-21 17:27:41,054 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)] === [2021-12-21 17:27:41,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:27:41,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1796799361, now seen corresponding path program 1 times [2021-12-21 17:27:41,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:27:41,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642221828] [2021-12-21 17:27:41,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:27:41,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:27:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:41,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:27:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:41,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:41,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:27:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:41,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:41,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:27:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:41,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:41,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:27:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:41,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:41,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:27:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:27:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:27:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:27:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:27:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:27:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:27:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:27:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:27:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:27:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:27:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:27:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:27:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:27:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:27:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:27:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:27:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:27:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:27:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:27:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 17:27:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 17:27:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 17:27:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 17:27:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 17:27:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 17:27:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 17:27:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-21 17:27:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-21 17:27:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-21 17:27:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:42,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2021-12-21 17:27:42,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:27:42,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642221828] [2021-12-21 17:27:42,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642221828] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:27:42,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:27:42,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:27:42,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515460801] [2021-12-21 17:27:42,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:27:42,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:27:42,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:27:42,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:27:42,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:27:42,678 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) [2021-12-21 17:27:53,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:27:53,496 INFO L93 Difference]: Finished difference Result 13275 states and 19411 transitions. [2021-12-21 17:27:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:27:53,500 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 [2021-12-21 17:27:53,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:27:53,648 INFO L225 Difference]: With dead ends: 13275 [2021-12-21 17:27:53,649 INFO L226 Difference]: Without dead ends: 8951 [2021-12-21 17:27:53,723 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 [2021-12-21 17:27:53,726 INFO L933 BasicCegarLoop]: 6399 mSDtfsCounter, 7658 mSDsluCounter, 6788 mSDsCounter, 0 mSdLazyCounter, 4333 mSolverCounterSat, 4168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8817 SdHoareTripleChecker+Valid, 13187 SdHoareTripleChecker+Invalid, 8501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4168 IncrementalHoareTripleChecker+Valid, 4333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2021-12-21 17:27:53,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8817 Valid, 13187 Invalid, 8501 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4168 Valid, 4333 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2021-12-21 17:27:53,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8951 states. [2021-12-21 17:27:54,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8951 to 8419. [2021-12-21 17:27:54,611 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) [2021-12-21 17:27:54,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8419 states to 8419 states and 11930 transitions. [2021-12-21 17:27:54,707 INFO L78 Accepts]: Start accepts. Automaton has 8419 states and 11930 transitions. Word has length 382 [2021-12-21 17:27:54,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:27:54,710 INFO L470 AbstractCegarLoop]: Abstraction has 8419 states and 11930 transitions. [2021-12-21 17:27:54,711 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) [2021-12-21 17:27:54,711 INFO L276 IsEmpty]: Start isEmpty. Operand 8419 states and 11930 transitions. [2021-12-21 17:27:54,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2021-12-21 17:27:54,738 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:27:54,739 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] [2021-12-21 17:27:54,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 17:27:54,739 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)] === [2021-12-21 17:27:54,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:27:54,740 INFO L85 PathProgramCache]: Analyzing trace with hash 259100557, now seen corresponding path program 1 times [2021-12-21 17:27:54,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:27:54,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978121127] [2021-12-21 17:27:54,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:27:54,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:27:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:27:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:27:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:27:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:27:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:27:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:27:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:27:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:27:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:27:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:27:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:27:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:27:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:27:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:27:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:27:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:27:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:27:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:27:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:27:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:27:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:27:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:27:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:27:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:27:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 17:27:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 17:27:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 17:27:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 17:27:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 17:27:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 17:27:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 17:27:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-21 17:27:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-21 17:27:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-21 17:27:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-21 17:27:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:55,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2021-12-21 17:27:55,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:27:55,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978121127] [2021-12-21 17:27:55,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978121127] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:27:55,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:27:55,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:27:55,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034707503] [2021-12-21 17:27:55,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:27:55,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:27:55,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:27:55,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:27:55,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:27:55,610 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) [2021-12-21 17:28:05,415 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 [] [2021-12-21 17:28:07,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:28:07,225 INFO L93 Difference]: Finished difference Result 21018 states and 29973 transitions. [2021-12-21 17:28:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:28:07,226 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 [2021-12-21 17:28:07,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:28:07,320 INFO L225 Difference]: With dead ends: 21018 [2021-12-21 17:28:07,321 INFO L226 Difference]: Without dead ends: 12668 [2021-12-21 17:28:07,360 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 [2021-12-21 17:28:07,361 INFO L933 BasicCegarLoop]: 6345 mSDtfsCounter, 7165 mSDsluCounter, 6809 mSDsCounter, 0 mSdLazyCounter, 4277 mSolverCounterSat, 4094 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8244 SdHoareTripleChecker+Valid, 13154 SdHoareTripleChecker+Invalid, 8372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4094 IncrementalHoareTripleChecker+Valid, 4277 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-12-21 17:28:07,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8244 Valid, 13154 Invalid, 8372 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4094 Valid, 4277 Invalid, 1 Unknown, 0 Unchecked, 11.0s Time] [2021-12-21 17:28:07,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12668 states. [2021-12-21 17:28:07,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12668 to 11858. [2021-12-21 17:28:07,977 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) [2021-12-21 17:28:08,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11858 states to 11858 states and 16745 transitions. [2021-12-21 17:28:08,033 INFO L78 Accepts]: Start accepts. Automaton has 11858 states and 16745 transitions. Word has length 415 [2021-12-21 17:28:08,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:28:08,035 INFO L470 AbstractCegarLoop]: Abstraction has 11858 states and 16745 transitions. [2021-12-21 17:28:08,035 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) [2021-12-21 17:28:08,035 INFO L276 IsEmpty]: Start isEmpty. Operand 11858 states and 16745 transitions. [2021-12-21 17:28:08,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2021-12-21 17:28:08,045 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:28:08,046 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] [2021-12-21 17:28:08,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 17:28:08,046 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)] === [2021-12-21 17:28:08,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:28:08,047 INFO L85 PathProgramCache]: Analyzing trace with hash 337939319, now seen corresponding path program 1 times [2021-12-21 17:28:08,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:28:08,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038669485] [2021-12-21 17:28:08,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:28:08,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:28:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:28:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:28:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:28:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:28:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:28:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:28:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:28:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:28:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:28:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:28:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:28:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:28:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:28:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:28:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:28:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:28:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:28:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:28:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:28:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:28:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:28:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:28:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:28:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:28:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 17:28:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 17:28:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 17:28:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 17:28:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 17:28:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 17:28:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 17:28:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-21 17:28:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-21 17:28:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-21 17:28:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-21 17:28:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:08,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2021-12-21 17:28:08,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:28:08,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038669485] [2021-12-21 17:28:08,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038669485] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:28:08,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:28:08,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:28:08,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324235057] [2021-12-21 17:28:08,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:28:08,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:28:08,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:28:08,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:28:08,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:28:08,905 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) [2021-12-21 17:28:18,704 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 [] [2021-12-21 17:28:20,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:28:20,567 INFO L93 Difference]: Finished difference Result 36124 states and 51374 transitions. [2021-12-21 17:28:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:28:20,567 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 416 [2021-12-21 17:28:20,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:28:20,851 INFO L225 Difference]: With dead ends: 36124 [2021-12-21 17:28:20,852 INFO L226 Difference]: Without dead ends: 24335 [2021-12-21 17:28:20,978 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 [2021-12-21 17:28:20,980 INFO L933 BasicCegarLoop]: 7620 mSDtfsCounter, 6692 mSDsluCounter, 7041 mSDsCounter, 0 mSdLazyCounter, 4418 mSolverCounterSat, 3673 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7827 SdHoareTripleChecker+Valid, 14661 SdHoareTripleChecker+Invalid, 8092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3673 IncrementalHoareTripleChecker+Valid, 4418 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2021-12-21 17:28:20,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7827 Valid, 14661 Invalid, 8092 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3673 Valid, 4418 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2021-12-21 17:28:21,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24335 states. [2021-12-21 17:28:21,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24335 to 22857. [2021-12-21 17:28:21,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22857 states, 15162 states have (on average 1.272127687640153) internal successors, (19288), 15597 states have internal predecessors, (19288), 6475 states have call successors, (6475), 1220 states have call predecessors, (6475), 1217 states have return successors, (6471), 6318 states have call predecessors, (6471), 6471 states have call successors, (6471) [2021-12-21 17:28:21,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22857 states to 22857 states and 32234 transitions. [2021-12-21 17:28:21,808 INFO L78 Accepts]: Start accepts. Automaton has 22857 states and 32234 transitions. Word has length 416 [2021-12-21 17:28:21,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:28:21,809 INFO L470 AbstractCegarLoop]: Abstraction has 22857 states and 32234 transitions. [2021-12-21 17:28:21,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-21 17:28:21,810 INFO L276 IsEmpty]: Start isEmpty. Operand 22857 states and 32234 transitions. [2021-12-21 17:28:21,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2021-12-21 17:28:21,819 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:28:21,820 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, 1, 1] [2021-12-21 17:28:21,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 17:28:21,820 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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)] === [2021-12-21 17:28:21,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:28:21,821 INFO L85 PathProgramCache]: Analyzing trace with hash 787467420, now seen corresponding path program 1 times [2021-12-21 17:28:21,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:28:21,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163359208] [2021-12-21 17:28:21,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:28:21,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:28:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:28:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:28:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:28:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:28:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:28:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:28:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:28:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:28:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:28:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:28:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:28:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:28:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:28:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:28:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:28:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:28:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:28:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:28:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:28:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:28:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:28:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:28:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:28:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:28:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 17:28:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 17:28:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 17:28:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 17:28:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 17:28:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 17:28:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 17:28:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-21 17:28:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-21 17:28:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-21 17:28:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-21 17:28:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:28:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:28:22,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2021-12-21 17:28:22,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:28:22,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163359208] [2021-12-21 17:28:22,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163359208] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:28:22,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:28:22,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:28:22,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016809313] [2021-12-21 17:28:22,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:28:22,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:28:22,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:28:22,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:28:22,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:28:22,624 INFO L87 Difference]: Start difference. First operand 22857 states and 32234 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37)