./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.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 c6518a0e540cf5b0e501bfef1f14c8079cbe578d9beced5375873c789156537b --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 14:55:45,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 14:55:45,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 14:55:45,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 14:55:45,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 14:55:45,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 14:55:45,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 14:55:45,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 14:55:45,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 14:55:45,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 14:55:45,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 14:55:45,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 14:55:45,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 14:55:45,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 14:55:45,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 14:55:45,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 14:55:45,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 14:55:45,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 14:55:45,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 14:55:45,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 14:55:45,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 14:55:45,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 14:55:45,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 14:55:45,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 14:55:45,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 14:55:45,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 14:55:45,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 14:55:45,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 14:55:45,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 14:55:45,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 14:55:45,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 14:55:45,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 14:55:45,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 14:55:45,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 14:55:45,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 14:55:45,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 14:55:45,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 14:55:45,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 14:55:45,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 14:55:45,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 14:55:45,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 14:55:45,757 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 14:55:45,782 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 14:55:45,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 14:55:45,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 14:55:45,784 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 14:55:45,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 14:55:45,785 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 14:55:45,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 14:55:45,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 14:55:45,786 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 14:55:45,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 14:55:45,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 14:55:45,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 14:55:45,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 14:55:45,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 14:55:45,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 14:55:45,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 14:55:45,787 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 14:55:45,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 14:55:45,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 14:55:45,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 14:55:45,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 14:55:45,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 14:55:45,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 14:55:45,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 14:55:45,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 14:55:45,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 14:55:45,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 14:55:45,790 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 14:55:45,790 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 14:55:45,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 14:55:45,790 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 14:55:45,790 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6518a0e540cf5b0e501bfef1f14c8079cbe578d9beced5375873c789156537b [2021-12-18 14:55:45,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 14:55:45,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 14:55:45,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 14:55:45,992 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 14:55:45,993 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 14:55:45,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i [2021-12-18 14:55:46,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90300286f/fd20fb626aa648319a9012f36d8d4e78/FLAGb9dfb7e42 [2021-12-18 14:55:46,951 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 14:55:46,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i [2021-12-18 14:55:47,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90300286f/fd20fb626aa648319a9012f36d8d4e78/FLAGb9dfb7e42 [2021-12-18 14:55:47,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90300286f/fd20fb626aa648319a9012f36d8d4e78 [2021-12-18 14:55:47,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 14:55:47,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 14:55:47,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 14:55:47,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 14:55:47,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 14:55:47,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:55:47" (1/1) ... [2021-12-18 14:55:47,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cd49d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:55:47, skipping insertion in model container [2021-12-18 14:55:47,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:55:47" (1/1) ... [2021-12-18 14:55:47,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 14:55:47,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 14:56:01,523 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_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1081958,1081971] [2021-12-18 14:56:01,525 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_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1082127,1082140] [2021-12-18 14:56:01,526 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_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1082294,1082307] [2021-12-18 14:56:01,526 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_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1082462,1082475] [2021-12-18 14:56:01,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 14:56:01,666 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 14:56:03,569 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_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1081958,1081971] [2021-12-18 14:56:03,569 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_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1082127,1082140] [2021-12-18 14:56:03,569 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_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1082294,1082307] [2021-12-18 14:56:03,570 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_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1082462,1082475] [2021-12-18 14:56:03,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 14:56:03,885 INFO L208 MainTranslator]: Completed translation [2021-12-18 14:56:03,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:56:03 WrapperNode [2021-12-18 14:56:03,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 14:56:03,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 14:56:03,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 14:56:03,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 14:56:03,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:56:03" (1/1) ... [2021-12-18 14:56:04,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:56:03" (1/1) ... [2021-12-18 14:56:04,732 INFO L137 Inliner]: procedures = 1098, calls = 15640, calls flagged for inlining = 568, calls inlined = 532, statements flattened = 36923 [2021-12-18 14:56:04,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 14:56:04,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 14:56:04,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 14:56:04,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 14:56:04,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:56:03" (1/1) ... [2021-12-18 14:56:04,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:56:03" (1/1) ... [2021-12-18 14:56:04,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:56:03" (1/1) ... [2021-12-18 14:56:04,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:56:03" (1/1) ... [2021-12-18 14:56:05,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:56:03" (1/1) ... [2021-12-18 14:56:05,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:56:03" (1/1) ... [2021-12-18 14:56:05,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:56:03" (1/1) ... [2021-12-18 14:56:05,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 14:56:05,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 14:56:05,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 14:56:05,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 14:56:05,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:56:03" (1/1) ... [2021-12-18 14:56:05,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 14:56:05,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:56:06,005 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) [2021-12-18 14:56:06,013 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 [2021-12-18 14:56:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure __tg3_writephy [2021-12-18 14:56:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __tg3_writephy [2021-12-18 14:56:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_pwrsrc_die_with_vmain [2021-12-18 14:56:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_pwrsrc_die_with_vmain [2021-12-18 14:56:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_warn_mgmt_link_flap [2021-12-18 14:56:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_warn_mgmt_link_flap [2021-12-18 14:56:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-18 14:56:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-18 14:56:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_restart_hw [2021-12-18 14:56:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_restart_hw [2021-12-18 14:56:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_get_57780_nvram_info [2021-12-18 14:56:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_get_57780_nvram_info [2021-12-18 14:56:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_toggle_apd [2021-12-18 14:56:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_toggle_apd [2021-12-18 14:56:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-18 14:56:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-18 14:56:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ints_fini [2021-12-18 14:56:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ints_fini [2021-12-18 14:56:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_read_mem [2021-12-18 14:56:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_read_mem [2021-12-18 14:56:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_tx_timeout [2021-12-18 14:56:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_tx_timeout [2021-12-18 14:56:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_alloc_rx_data [2021-12-18 14:56:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_alloc_rx_data [2021-12-18 14:56:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-12-18 14:56:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-12-18 14:56:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_chip_reset [2021-12-18 14:56:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_chip_reset [2021-12-18 14:56:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 14:56:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 14:56:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_disable_nvram_access [2021-12-18 14:56:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_disable_nvram_access [2021-12-18 14:56:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure pdev_is_ssb_gige_core [2021-12-18 14:56:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pdev_is_ssb_gige_core [2021-12-18 14:56:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_mem_rx_release [2021-12-18 14:56:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_mem_rx_release [2021-12-18 14:56:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 14:56:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 14:56:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 14:56:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 14:56:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start_aneg [2021-12-18 14:56:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start_aneg [2021-12-18 14:56:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_set_function_status [2021-12-18 14:56:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_set_function_status [2021-12-18 14:56:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-18 14:56:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-18 14:56:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-12-18 14:56:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-12-18 14:56:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_auxctl_write [2021-12-18 14:56:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_auxctl_write [2021-12-18 14:56:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-18 14:56:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_rx_queues [2021-12-18 14:56:06,043 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_rx_queues [2021-12-18 14:56:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_otp_read [2021-12-18 14:56:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_otp_read [2021-12-18 14:56:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_pause_cpu [2021-12-18 14:56:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_pause_cpu [2021-12-18 14:56:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 14:56:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 14:56:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 14:56:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 14:56:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rx_prodring_fini [2021-12-18 14:56:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rx_prodring_fini [2021-12-18 14:56:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_bmcr_reset [2021-12-18 14:56:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_bmcr_reset [2021-12-18 14:56:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2021-12-18 14:56:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2021-12-18 14:56:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 14:56:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 14:56:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-18 14:56:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-18 14:56:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_get_pagesize [2021-12-18 14:56:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_get_pagesize [2021-12-18 14:56:06,047 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-18 14:56:06,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-18 14:56:06,047 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_clear_mac_status [2021-12-18 14:56:06,047 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_clear_mac_status [2021-12-18 14:56:06,047 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_readphy [2021-12-18 14:56:06,047 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_readphy [2021-12-18 14:56:06,047 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_reset [2021-12-18 14:56:06,047 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_reset [2021-12-18 14:56:06,047 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_write_mem [2021-12-18 14:56:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_write_mem [2021-12-18 14:56:06,048 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-18 14:56:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-18 14:56:06,048 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 14:56:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 14:56:06,048 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_read [2021-12-18 14:56:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_read [2021-12-18 14:56:06,049 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_mac_loopback [2021-12-18 14:56:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_mac_loopback [2021-12-18 14:56:06,049 INFO L130 BoogieDeclarations]: Found specification of procedure _tg3_flag_clear [2021-12-18 14:56:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure _tg3_flag_clear [2021-12-18 14:56:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_chk_missed_msi [2021-12-18 14:56:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_chk_missed_msi [2021-12-18 14:56:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 14:56:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 14:56:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-12-18 14:56:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-12-18 14:56:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_link_report [2021-12-18 14:56:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_link_report [2021-12-18 14:56:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-18 14:56:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-18 14:56:06,051 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_writephy [2021-12-18 14:56:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_writephy [2021-12-18 14:56:06,051 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 14:56:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 14:56:06,051 INFO L130 BoogieDeclarations]: Found specification of procedure _tg3_flag [2021-12-18 14:56:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure _tg3_flag [2021-12-18 14:56:06,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 14:56:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 14:56:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 14:56:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2021-12-18 14:56:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2021-12-18 14:56:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_set_rx_mode [2021-12-18 14:56:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_set_rx_mode [2021-12-18 14:56:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-18 14:56:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-18 14:56:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_reset_task_schedule [2021-12-18 14:56:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_reset_task_schedule [2021-12-18 14:56:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 14:56:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 14:56:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tg3 [2021-12-18 14:56:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tg3 [2021-12-18 14:56:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-18 14:56:06,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-18 14:56:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-18 14:56:06,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-18 14:56:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_start [2021-12-18 14:56:06,061 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_start [2021-12-18 14:56:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 14:56:06,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 14:56:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-18 14:56:06,061 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-18 14:56:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-12-18 14:56:06,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-12-18 14:56:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_abort_hw [2021-12-18 14:56:06,062 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_abort_hw [2021-12-18 14:56:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_free_rings [2021-12-18 14:56:06,062 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_free_rings [2021-12-18 14:56:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nway_reset [2021-12-18 14:56:06,062 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nway_reset [2021-12-18 14:56:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_mdio_fini [2021-12-18 14:56:06,062 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_mdio_fini [2021-12-18 14:56:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 14:56:06,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 14:56:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 14:56:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2021-12-18 14:56:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ptp_resume [2021-12-18 14:56:06,063 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ptp_resume [2021-12-18 14:56:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 14:56:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2021-12-18 14:56:06,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2021-12-18 14:56:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_mem_tx_release [2021-12-18 14:56:06,063 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_mem_tx_release [2021-12-18 14:56:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 14:56:06,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 14:56:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 14:56:06,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 14:56:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 14:56:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-18 14:56:06,064 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-18 14:56:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 14:56:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_frob_aux_power [2021-12-18 14:56:06,064 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_frob_aux_power [2021-12-18 14:56:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_mdio_config_5785 [2021-12-18 14:56:06,065 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_mdio_config_5785 [2021-12-18 14:56:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-18 14:56:06,065 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-18 14:56:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-18 14:56:06,065 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-18 14:56:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_device_is_present [2021-12-18 14:56:06,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_device_is_present [2021-12-18 14:56:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_exec_cmd [2021-12-18 14:56:06,065 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_exec_cmd [2021-12-18 14:56:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_write_block_buffered [2021-12-18 14:56:06,066 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_write_block_buffered [2021-12-18 14:56:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_issue_otp_command [2021-12-18 14:56:06,066 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_issue_otp_command [2021-12-18 14:56:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_frag_free [2021-12-18 14:56:06,066 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_frag_free [2021-12-18 14:56:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_lock [2021-12-18 14:56:06,066 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_lock [2021-12-18 14:56:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 14:56:06,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 14:56:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 14:56:06,068 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 14:56:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_read_indirect_reg32 [2021-12-18 14:56:06,068 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_read_indirect_reg32 [2021-12-18 14:56:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 14:56:06,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 14:56:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-12-18 14:56:06,068 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-12-18 14:56:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_set_wirespeed [2021-12-18 14:56:06,069 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_set_wirespeed [2021-12-18 14:56:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_driver_state_change [2021-12-18 14:56:06,069 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_driver_state_change [2021-12-18 14:56:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_timer_start [2021-12-18 14:56:06,069 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_timer_start [2021-12-18 14:56:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_shutdown [2021-12-18 14:56:06,069 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_shutdown [2021-12-18 14:56:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 14:56:06,069 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 14:56:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_read32 [2021-12-18 14:56:06,070 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_read32 [2021-12-18 14:56:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rx_data_free [2021-12-18 14:56:06,070 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rx_data_free [2021-12-18 14:56:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 14:56:06,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 14:56:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rx_prodring_free [2021-12-18 14:56:06,070 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rx_prodring_free [2021-12-18 14:56:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 14:56:06,070 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 14:56:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_autoneg_cfg [2021-12-18 14:56:06,070 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_autoneg_cfg [2021-12-18 14:56:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 14:56:06,071 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 14:56:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-12-18 14:56:06,071 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-12-18 14:56:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_load_firmware_cpu [2021-12-18 14:56:06,071 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_load_firmware_cpu [2021-12-18 14:56:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 14:56:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_adjust_link [2021-12-18 14:56:06,071 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_adjust_link [2021-12-18 14:56:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_halt [2021-12-18 14:56:06,072 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_halt [2021-12-18 14:56:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 14:56:06,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 14:56:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-18 14:56:06,072 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-18 14:56:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-12-18 14:56:06,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-12-18 14:56:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_pwrsrc_switch_to_vaux [2021-12-18 14:56:06,072 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_pwrsrc_switch_to_vaux [2021-12-18 14:56:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 14:56:06,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 14:56:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_wait_for_event_ack [2021-12-18 14:56:06,073 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_wait_for_event_ack [2021-12-18 14:56:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 14:56:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_test_interrupt [2021-12-18 14:56:06,079 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_test_interrupt [2021-12-18 14:56:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phydsp_write [2021-12-18 14:56:06,079 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phydsp_write [2021-12-18 14:56:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 14:56:06,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 14:56:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_mdio_start [2021-12-18 14:56:06,079 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_mdio_start [2021-12-18 14:56:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rxcpu_resume [2021-12-18 14:56:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rxcpu_resume [2021-12-18 14:56:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_request_irq [2021-12-18 14:56:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_request_irq [2021-12-18 14:56:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 14:56:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 14:56:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-18 14:56:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-18 14:56:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 14:56:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 14:56:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_napi_fini [2021-12-18 14:56:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_napi_fini [2021-12-18 14:56:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_clear_and_set_word [2021-12-18 14:56:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_clear_and_set_word [2021-12-18 14:56:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-18 14:56:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-18 14:56:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-18 14:56:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-18 14:56:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure __tg3_readphy [2021-12-18 14:56:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __tg3_readphy [2021-12-18 14:56:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_get_estats [2021-12-18 14:56:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_get_estats [2021-12-18 14:56:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_free_consistent [2021-12-18 14:56:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_free_consistent [2021-12-18 14:56:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 14:56:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_napi_enable [2021-12-18 14:56:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_napi_enable [2021-12-18 14:56:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_tx_skb_unmap [2021-12-18 14:56:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_tx_skb_unmap [2021-12-18 14:56:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_tx_avail [2021-12-18 14:56:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_tx_avail [2021-12-18 14:56:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 14:56:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_start [2021-12-18 14:56:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_start [2021-12-18 14:56:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-18 14:56:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-18 14:56:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_write_sig_post_reset [2021-12-18 14:56:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_write_sig_post_reset [2021-12-18 14:56:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-12-18 14:56:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 14:56:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 14:56:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-18 14:56:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-18 14:56:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 14:56:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 14:56:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_power_up [2021-12-18 14:56:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_power_up [2021-12-18 14:56:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_vpd_readblock [2021-12-18 14:56:06,082 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_vpd_readblock [2021-12-18 14:56:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 14:56:06,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 14:56:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_write_sig_pre_reset [2021-12-18 14:56:06,082 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_write_sig_pre_reset [2021-12-18 14:56:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_init_hw [2021-12-18 14:56:06,082 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_init_hw [2021-12-18 14:56:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-18 14:56:06,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-18 14:56:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_92 [2021-12-18 14:56:06,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_92 [2021-12-18 14:56:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-18 14:56:06,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-18 14:56:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mii_adv_t [2021-12-18 14:56:06,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mii_adv_t [2021-12-18 14:56:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure pci_channel_offline [2021-12-18 14:56:06,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_channel_offline [2021-12-18 14:56:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_setup_flow_control [2021-12-18 14:56:06,083 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_setup_flow_control [2021-12-18 14:56:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_set_bdinfo [2021-12-18 14:56:06,083 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_set_bdinfo [2021-12-18 14:56:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-18 14:56:06,083 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-18 14:56:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 14:56:06,084 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 14:56:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure __tg3_set_mac_addr [2021-12-18 14:56:06,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __tg3_set_mac_addr [2021-12-18 14:56:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_tag [2021-12-18 14:56:06,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_tag [2021-12-18 14:56:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure _tg3_flag_set [2021-12-18 14:56:06,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _tg3_flag_set [2021-12-18 14:56:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 14:56:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_refclk_write [2021-12-18 14:56:06,084 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_refclk_write [2021-12-18 14:56:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_eee_pull_config [2021-12-18 14:56:06,085 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_eee_pull_config [2021-12-18 14:56:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_pause_cpu_and_set_pc [2021-12-18 14:56:06,085 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_pause_cpu_and_set_pc [2021-12-18 14:56:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_resume_cpu [2021-12-18 14:56:06,085 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_resume_cpu [2021-12-18 14:56:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 14:56:06,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 14:56:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_power_down_prepare [2021-12-18 14:56:06,085 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_power_down_prepare [2021-12-18 14:56:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_lock [2021-12-18 14:56:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_lock [2021-12-18 14:56:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2021-12-18 14:56:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2021-12-18 14:56:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_enable_ints [2021-12-18 14:56:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_enable_ints [2021-12-18 14:56:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_99 [2021-12-18 14:56:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_99 [2021-12-18 14:56:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-18 14:56:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-18 14:56:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_do_test_dma [2021-12-18 14:56:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_do_test_dma [2021-12-18 14:56:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_poll_fw [2021-12-18 14:56:06,087 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_poll_fw [2021-12-18 14:56:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_toggle_auxctl_smdsp [2021-12-18 14:56:06,087 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_toggle_auxctl_smdsp [2021-12-18 14:56:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_clear_word [2021-12-18 14:56:06,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_clear_word [2021-12-18 14:56:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-18 14:56:06,087 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-18 14:56:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2021-12-18 14:56:06,087 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2021-12-18 14:56:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-12-18 14:56:06,088 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-12-18 14:56:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_phys_addr [2021-12-18 14:56:06,088 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_phys_addr [2021-12-18 14:56:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 14:56:06,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 14:56:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_5700_link_polarity [2021-12-18 14:56:06,088 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_5700_link_polarity [2021-12-18 14:56:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-12-18 14:56:06,088 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-12-18 14:56:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mii_ctrl1000_t [2021-12-18 14:56:06,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mii_ctrl1000_t [2021-12-18 14:56:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_enable_register_access [2021-12-18 14:56:06,089 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_enable_register_access [2021-12-18 14:56:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 14:56:06,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 14:56:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-18 14:56:06,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-18 14:56:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-18 14:56:06,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-18 14:56:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2021-12-18 14:56:06,090 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2021-12-18 14:56:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_stop [2021-12-18 14:56:06,090 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_stop [2021-12-18 14:56:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_stop_block [2021-12-18 14:56:06,090 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_stop_block [2021-12-18 14:56:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_scratchpad_read [2021-12-18 14:56:06,090 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_scratchpad_read [2021-12-18 14:56:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-18 14:56:06,090 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-18 14:56:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 14:56:06,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 14:56:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 14:56:06,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 14:56:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_81 [2021-12-18 14:56:06,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_81 [2021-12-18 14:56:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-18 14:56:06,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-18 14:56:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_init_5401phy_dsp [2021-12-18 14:56:06,091 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_init_5401phy_dsp [2021-12-18 14:56:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_open [2021-12-18 14:56:06,091 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_open [2021-12-18 14:56:06,092 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_setup_eee [2021-12-18 14:56:06,092 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_setup_eee [2021-12-18 14:56:06,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 14:56:06,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 14:56:06,092 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-18 14:56:06,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-18 14:56:06,092 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 14:56:06,092 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 14:56:06,092 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_remove_one [2021-12-18 14:56:06,092 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_remove_one [2021-12-18 14:56:06,092 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_adv_to_ethtool_adv_t [2021-12-18 14:56:06,093 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_adv_to_ethtool_adv_t [2021-12-18 14:56:06,093 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 14:56:06,093 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 14:56:06,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_indirect_lock_of_tg3 [2021-12-18 14:56:06,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_indirect_lock_of_tg3 [2021-12-18 14:56:06,093 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_tso_bug [2021-12-18 14:56:06,093 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_tso_bug [2021-12-18 14:56:06,093 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-18 14:56:06,093 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-18 14:56:06,093 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 14:56:06,094 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 14:56:06,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_lrdt_size [2021-12-18 14:56:06,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_lrdt_size [2021-12-18 14:56:06,094 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_set_mtu [2021-12-18 14:56:06,094 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_set_mtu [2021-12-18 14:56:06,094 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-12-18 14:56:06,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-12-18 14:56:06,094 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_reset_hw [2021-12-18 14:56:06,094 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_reset_hw [2021-12-18 14:56:06,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 14:56:06,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 14:56:06,095 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_dump_legacy_regs [2021-12-18 14:56:06,095 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_dump_legacy_regs [2021-12-18 14:56:06,095 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 14:56:06,095 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 14:56:06,095 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_start_xmit [2021-12-18 14:56:06,095 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_start_xmit [2021-12-18 14:56:06,095 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 14:56:06,095 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 14:56:06,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 14:56:06,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 14:56:06,095 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_dump_state [2021-12-18 14:56:06,096 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_dump_state [2021-12-18 14:56:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_advert_flowctrl_1000X [2021-12-18 14:56:06,096 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_advert_flowctrl_1000X [2021-12-18 14:56:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-18 14:56:06,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-18 14:56:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 14:56:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2021-12-18 14:56:06,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2021-12-18 14:56:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 14:56:06,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 14:56:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2021-12-18 14:56:06,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2021-12-18 14:56:06,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 14:56:06,097 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 14:56:06,097 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 14:56:06,097 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_get_eeprom_size [2021-12-18 14:56:06,097 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_get_eeprom_size [2021-12-18 14:56:06,097 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 14:56:06,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 14:56:06,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 14:56:06,097 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_get_eeprom_len [2021-12-18 14:56:06,098 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_get_eeprom_len [2021-12-18 14:56:06,098 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_netif_start [2021-12-18 14:56:06,098 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_netif_start [2021-12-18 14:56:06,098 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_toggle_automdix [2021-12-18 14:56:06,098 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_toggle_automdix [2021-12-18 14:56:06,098 INFO L130 BoogieDeclarations]: Found specification of procedure __tg3_set_coalesce [2021-12-18 14:56:06,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __tg3_set_coalesce [2021-12-18 14:56:06,098 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_io_resume [2021-12-18 14:56:06,098 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_io_resume [2021-12-18 14:56:06,098 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 14:56:06,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 14:56:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_queue_mapping [2021-12-18 14:56:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_queue_mapping [2021-12-18 14:56:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_close [2021-12-18 14:56:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_close [2021-12-18 14:56:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 14:56:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 14:56:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 14:56:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 14:56:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure mii_advertise_flowctrl [2021-12-18 14:56:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_advertise_flowctrl [2021-12-18 14:56:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 14:56:06,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 14:56:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_93 [2021-12-18 14:56:06,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_93 [2021-12-18 14:56:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_resume [2021-12-18 14:56:06,100 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_resume [2021-12-18 14:56:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_tx_set_bd [2021-12-18 14:56:06,100 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_tx_set_bd [2021-12-18 14:56:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_pwrsrc_switch_to_vmain [2021-12-18 14:56:06,100 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_pwrsrc_switch_to_vmain [2021-12-18 14:56:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_logical_addr [2021-12-18 14:56:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_logical_addr [2021-12-18 14:56:06,101 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-12-18 14:56:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-12-18 14:56:06,101 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-12-18 14:56:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-12-18 14:56:06,101 INFO L130 BoogieDeclarations]: Found specification of procedure __tg3_set_rx_mode [2021-12-18 14:56:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __tg3_set_rx_mode [2021-12-18 14:56:06,101 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_write_sig_legacy [2021-12-18 14:56:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_write_sig_legacy [2021-12-18 14:56:06,101 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-18 14:56:06,102 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-18 14:56:06,102 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 14:56:06,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 14:56:06,102 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 14:56:06,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 14:56:06,102 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_generate_fw_event [2021-12-18 14:56:06,102 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_generate_fw_event [2021-12-18 14:56:06,102 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-12-18 14:56:06,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-12-18 14:56:06,102 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_timer_stop [2021-12-18 14:56:06,102 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_timer_stop [2021-12-18 14:56:06,103 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_stop [2021-12-18 14:56:06,103 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_stop [2021-12-18 14:56:06,103 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-18 14:56:06,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-18 14:56:06,103 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_get_nstats [2021-12-18 14:56:06,103 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_get_nstats [2021-12-18 14:56:06,103 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-18 14:56:06,103 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-18 14:56:06,103 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-18 14:56:06,103 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-18 14:56:06,104 INFO L130 BoogieDeclarations]: Found specification of procedure calc_crc [2021-12-18 14:56:06,104 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_crc [2021-12-18 14:56:06,104 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rss_write_indir_tbl [2021-12-18 14:56:06,104 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rss_write_indir_tbl [2021-12-18 14:56:06,104 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-18 14:56:06,104 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-18 14:56:06,104 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_netif_stop [2021-12-18 14:56:06,104 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_netif_stop [2021-12-18 14:56:06,104 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-18 14:56:06,104 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-18 14:56:06,104 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-18 14:56:06,105 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-18 14:56:06,105 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_tx_frag_set [2021-12-18 14:56:06,105 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_tx_frag_set [2021-12-18 14:56:06,105 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_set_loopback [2021-12-18 14:56:06,105 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_set_loopback [2021-12-18 14:56:06,105 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_irq_sync [2021-12-18 14:56:06,105 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_irq_sync [2021-12-18 14:56:06,105 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_stop_fw [2021-12-18 14:56:06,105 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_stop_fw [2021-12-18 14:56:06,105 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-18 14:56:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-18 14:56:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-18 14:56:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-18 14:56:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_set_word [2021-12-18 14:56:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_set_word [2021-12-18 14:56:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-18 14:56:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-18 14:56:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure mii_adv_to_ethtool_adv_t [2021-12-18 14:56:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_adv_to_ethtool_adv_t [2021-12-18 14:56:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 14:56:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 14:56:06,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 14:56:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure mii_adv_to_ethtool_adv_x [2021-12-18 14:56:06,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_adv_to_ethtool_adv_x [2021-12-18 14:56:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_has_work [2021-12-18 14:56:06,107 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_has_work [2021-12-18 14:56:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_run_loopback [2021-12-18 14:56:06,107 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_run_loopback [2021-12-18 14:56:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 14:56:06,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 14:56:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 14:56:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 14:56:06,108 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_lso_rd_dma_workaround_bit [2021-12-18 14:56:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_lso_rd_dma_workaround_bit [2021-12-18 14:56:06,108 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-18 14:56:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-18 14:56:06,108 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-18 14:56:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-18 14:56:06,108 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-18 14:56:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-18 14:56:06,108 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rss_init_dflt_indir_tbl [2021-12-18 14:56:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rss_init_dflt_indir_tbl [2021-12-18 14:56:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_lpbk_set [2021-12-18 14:56:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_lpbk_set [2021-12-18 14:56:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_set_multi [2021-12-18 14:56:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_set_multi [2021-12-18 14:56:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_unlock [2021-12-18 14:56:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_unlock [2021-12-18 14:56:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_auxctl_read [2021-12-18 14:56:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_auxctl_read [2021-12-18 14:56:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 14:56:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 14:56:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2021-12-18 14:56:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2021-12-18 14:56:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-12-18 14:56:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-12-18 14:56:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_present [2021-12-18 14:56:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_present [2021-12-18 14:56:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-18 14:56:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-18 14:56:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-18 14:56:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-18 14:56:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure tw32_mailbox_flush [2021-12-18 14:56:06,111 INFO L138 BoogieDeclarations]: Found implementation of procedure tw32_mailbox_flush [2021-12-18 14:56:06,111 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 14:56:06,111 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 14:56:06,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-18 14:56:06,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-18 14:56:06,111 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 14:56:06,111 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 14:56:06,111 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_event_lock [2021-12-18 14:56:06,111 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_event_lock [2021-12-18 14:56:06,111 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ump_link_report [2021-12-18 14:56:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ump_link_report [2021-12-18 14:56:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-12-18 14:56:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-12-18 14:56:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 14:56:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure __tg3_set_one_mac_addr [2021-12-18 14:56:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __tg3_set_one_mac_addr [2021-12-18 14:56:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-18 14:56:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-18 14:56:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-12-18 14:56:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-12-18 14:56:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 14:56:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 14:56:06,113 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-18 14:56:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-18 14:56:06,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-18 14:56:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-18 14:56:06,113 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_napi_disable [2021-12-18 14:56:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_napi_disable [2021-12-18 14:56:06,113 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 14:56:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 14:56:06,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-18 14:56:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-18 14:56:06,114 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rxcpu_pause [2021-12-18 14:56:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rxcpu_pause [2021-12-18 14:56:06,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 14:56:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 14:56:06,114 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_carrier_off [2021-12-18 14:56:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_carrier_off [2021-12-18 14:56:06,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2021-12-18 14:56:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2021-12-18 14:56:06,114 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-18 14:56:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-18 14:56:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 14:56:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 14:56:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_setup_phy [2021-12-18 14:56:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_setup_phy [2021-12-18 14:56:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure _tw32_flush [2021-12-18 14:56:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure _tw32_flush [2021-12-18 14:56:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rd32_loop [2021-12-18 14:56:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rd32_loop [2021-12-18 14:56:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-12-18 14:56:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-12-18 14:56:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_switch_clocks [2021-12-18 14:56:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_switch_clocks [2021-12-18 14:56:06,116 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 14:56:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 14:56:06,116 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 14:56:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 14:56:06,116 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_write32 [2021-12-18 14:56:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_write32 [2021-12-18 14:56:06,116 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-18 14:56:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-18 14:56:06,116 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_copper_an_config_ok [2021-12-18 14:56:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_copper_an_config_ok [2021-12-18 14:56:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 14:56:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 14:56:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tg3 [2021-12-18 14:56:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tg3 [2021-12-18 14:56:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_get_regs_len [2021-12-18 14:56:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_get_regs_len [2021-12-18 14:56:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_read_be32 [2021-12-18 14:56:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_read_be32 [2021-12-18 14:56:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_reset_task_cancel [2021-12-18 14:56:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_reset_task_cancel [2021-12-18 14:56:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_98 [2021-12-18 14:56:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_98 [2021-12-18 14:56:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_cl45_read [2021-12-18 14:56:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_cl45_read [2021-12-18 14:56:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_test_and_report_link_chg [2021-12-18 14:56:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_test_and_report_link_chg [2021-12-18 14:56:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 14:56:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 14:56:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_disable_ints [2021-12-18 14:56:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_disable_ints [2021-12-18 14:56:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_enable_nvram_access [2021-12-18 14:56:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_enable_nvram_access [2021-12-18 14:56:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-18 14:56:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-18 14:56:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_wait_macro_done [2021-12-18 14:56:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_wait_macro_done [2021-12-18 14:56:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_shdw_write [2021-12-18 14:56:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_shdw_write [2021-12-18 14:56:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_write32 [2021-12-18 14:56:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_write32 [2021-12-18 14:56:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 14:56:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 14:56:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_full_unlock [2021-12-18 14:56:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_full_unlock [2021-12-18 14:56:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_unlock [2021-12-18 14:56:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_unlock [2021-12-18 14:56:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-18 14:56:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-18 14:56:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure get_stat64 [2021-12-18 14:56:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stat64 [2021-12-18 14:56:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_full_lock [2021-12-18 14:56:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_full_lock [2021-12-18 14:56:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 14:56:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 14:56:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 14:56:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 14:56:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_suspend [2021-12-18 14:56:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_suspend [2021-12-18 14:56:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 14:56:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_real [2021-12-18 14:56:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_real [2021-12-18 14:56:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_halt_cpu [2021-12-18 14:56:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_halt_cpu [2021-12-18 14:56:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 14:56:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 14:56:08,107 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 14:56:08,112 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 14:56:12,876 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 14:58:11,081 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 14:58:11,127 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 14:58:11,127 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-12-18 14:58:11,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:58:11 BoogieIcfgContainer [2021-12-18 14:58:11,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 14:58:11,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 14:58:11,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 14:58:11,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 14:58:11,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 02:55:47" (1/3) ... [2021-12-18 14:58:11,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39410b08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:58:11, skipping insertion in model container [2021-12-18 14:58:11,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:56:03" (2/3) ... [2021-12-18 14:58:11,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39410b08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:58:11, skipping insertion in model container [2021-12-18 14:58:11,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:58:11" (3/3) ... [2021-12-18 14:58:11,146 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i [2021-12-18 14:58:11,150 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 14:58:11,150 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-18 14:58:11,347 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 14:58:11,353 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 [2021-12-18 14:58:11,354 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-18 14:58:11,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 12651 states, 8724 states have (on average 1.3794131132508023) internal successors, (12034), 9034 states have internal predecessors, (12034), 3574 states have call successors, (3574), 351 states have call predecessors, (3574), 350 states have return successors, (3566), 3491 states have call predecessors, (3566), 3566 states have call successors, (3566) [2021-12-18 14:58:11,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-18 14:58:11,519 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:58:11,520 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:58:11,520 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)] === [2021-12-18 14:58:11,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:58:11,524 INFO L85 PathProgramCache]: Analyzing trace with hash -725468384, now seen corresponding path program 1 times [2021-12-18 14:58:11,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:58:11,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767423125] [2021-12-18 14:58:11,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:58:11,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:58:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:12,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 14:58:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:12,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 14:58:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:12,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 14:58:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:12,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:12,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 14:58:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:12,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 14:58:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:12,760 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 14:58:12,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:58:12,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767423125] [2021-12-18 14:58:12,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767423125] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:58:12,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:58:12,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:58:12,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121782370] [2021-12-18 14:58:12,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:58:12,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:58:12,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:58:12,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:58:12,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:58:12,829 INFO L87 Difference]: Start difference. First operand has 12651 states, 8724 states have (on average 1.3794131132508023) internal successors, (12034), 9034 states have internal predecessors, (12034), 3574 states have call successors, (3574), 351 states have call predecessors, (3574), 350 states have return successors, (3566), 3491 states have call predecessors, (3566), 3566 states have call successors, (3566) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-18 14:58:14,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:58:14,119 INFO L93 Difference]: Finished difference Result 25287 states and 39949 transitions. [2021-12-18 14:58:14,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:58:14,121 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2021-12-18 14:58:14,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:58:14,243 INFO L225 Difference]: With dead ends: 25287 [2021-12-18 14:58:14,243 INFO L226 Difference]: Without dead ends: 12647 [2021-12-18 14:58:14,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 14:58:14,392 INFO L933 BasicCegarLoop]: 19119 mSDtfsCounter, 19057 mSDsluCounter, 38270 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19073 SdHoareTripleChecker+Valid, 57389 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:58:14,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19073 Valid, 57389 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 14:58:14,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12647 states. [2021-12-18 14:58:15,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12647 to 12645. [2021-12-18 14:58:15,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12645 states, 8716 states have (on average 1.3744837081229921) internal successors, (11980), 9022 states have internal predecessors, (11980), 3569 states have call successors, (3569), 358 states have call predecessors, (3569), 357 states have return successors, (3566), 3491 states have call predecessors, (3566), 3566 states have call successors, (3566) [2021-12-18 14:58:15,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12645 states to 12645 states and 19115 transitions. [2021-12-18 14:58:15,241 INFO L78 Accepts]: Start accepts. Automaton has 12645 states and 19115 transitions. Word has length 48 [2021-12-18 14:58:15,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:58:15,243 INFO L470 AbstractCegarLoop]: Abstraction has 12645 states and 19115 transitions. [2021-12-18 14:58:15,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-18 14:58:15,244 INFO L276 IsEmpty]: Start isEmpty. Operand 12645 states and 19115 transitions. [2021-12-18 14:58:15,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-18 14:58:15,247 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:58:15,248 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:58:15,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 14:58:15,248 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:58:15,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:58:15,249 INFO L85 PathProgramCache]: Analyzing trace with hash 59457462, now seen corresponding path program 1 times [2021-12-18 14:58:15,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:58:15,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670945549] [2021-12-18 14:58:15,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:58:15,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:58:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:15,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 14:58:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:15,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 14:58:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:15,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 14:58:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:15,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:15,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 14:58:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:15,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 14:58:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:15,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 14:58:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:15,945 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 14:58:15,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:58:15,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670945549] [2021-12-18 14:58:15,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670945549] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:58:15,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:58:15,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:58:15,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755679867] [2021-12-18 14:58:15,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:58:15,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:58:15,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:58:15,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:58:15,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:58:15,950 INFO L87 Difference]: Start difference. First operand 12645 states and 19115 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 14:58:16,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:58:16,932 INFO L93 Difference]: Finished difference Result 12651 states and 19120 transitions. [2021-12-18 14:58:16,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:58:16,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2021-12-18 14:58:16,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:58:17,005 INFO L225 Difference]: With dead ends: 12651 [2021-12-18 14:58:17,005 INFO L226 Difference]: Without dead ends: 12649 [2021-12-18 14:58:17,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 14:58:17,016 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19048 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19062 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:58:17,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19062 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 14:58:17,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12649 states. [2021-12-18 14:58:17,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12649 to 12649. [2021-12-18 14:58:17,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12649 states, 8719 states have (on average 1.3743548572083955) internal successors, (11983), 9025 states have internal predecessors, (11983), 3569 states have call successors, (3569), 359 states have call predecessors, (3569), 358 states have return successors, (3566), 3491 states have call predecessors, (3566), 3566 states have call successors, (3566) [2021-12-18 14:58:17,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12649 states to 12649 states and 19118 transitions. [2021-12-18 14:58:17,644 INFO L78 Accepts]: Start accepts. Automaton has 12649 states and 19118 transitions. Word has length 53 [2021-12-18 14:58:17,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:58:17,645 INFO L470 AbstractCegarLoop]: Abstraction has 12649 states and 19118 transitions. [2021-12-18 14:58:17,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 14:58:17,645 INFO L276 IsEmpty]: Start isEmpty. Operand 12649 states and 19118 transitions. [2021-12-18 14:58:17,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-18 14:58:17,647 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:58:17,647 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:58:17,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 14:58:17,647 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:58:17,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:58:17,648 INFO L85 PathProgramCache]: Analyzing trace with hash 2111357088, now seen corresponding path program 1 times [2021-12-18 14:58:17,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:58:17,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273960552] [2021-12-18 14:58:17,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:58:17,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:58:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:18,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 14:58:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:18,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 14:58:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:18,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 14:58:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:18,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:18,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 14:58:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:18,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 14:58:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:18,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 14:58:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:18,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 14:58:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:18,266 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-18 14:58:18,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:58:18,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273960552] [2021-12-18 14:58:18,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273960552] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:58:18,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:58:18,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:58:18,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525335137] [2021-12-18 14:58:18,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:58:18,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:58:18,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:58:18,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:58:18,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:58:18,268 INFO L87 Difference]: Start difference. First operand 12649 states and 19118 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-18 14:58:18,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:58:18,897 INFO L93 Difference]: Finished difference Result 12655 states and 19123 transitions. [2021-12-18 14:58:18,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:58:18,898 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2021-12-18 14:58:18,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:58:18,971 INFO L225 Difference]: With dead ends: 12655 [2021-12-18 14:58:18,972 INFO L226 Difference]: Without dead ends: 12653 [2021-12-18 14:58:18,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 14:58:18,993 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19048 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19061 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:58:18,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19061 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 14:58:19,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12653 states. [2021-12-18 14:58:19,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12653 to 12653. [2021-12-18 14:58:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12653 states, 8722 states have (on average 1.374226094932355) internal successors, (11986), 9028 states have internal predecessors, (11986), 3569 states have call successors, (3569), 360 states have call predecessors, (3569), 359 states have return successors, (3566), 3491 states have call predecessors, (3566), 3566 states have call successors, (3566) [2021-12-18 14:58:19,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12653 states to 12653 states and 19121 transitions. [2021-12-18 14:58:19,821 INFO L78 Accepts]: Start accepts. Automaton has 12653 states and 19121 transitions. Word has length 58 [2021-12-18 14:58:19,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:58:19,822 INFO L470 AbstractCegarLoop]: Abstraction has 12653 states and 19121 transitions. [2021-12-18 14:58:19,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-18 14:58:19,823 INFO L276 IsEmpty]: Start isEmpty. Operand 12653 states and 19121 transitions. [2021-12-18 14:58:19,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-18 14:58:19,827 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:58:19,828 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:58:19,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 14:58:19,828 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:58:19,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:58:19,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1734760886, now seen corresponding path program 1 times [2021-12-18 14:58:19,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:58:19,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176343657] [2021-12-18 14:58:19,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:58:19,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:58:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:20,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 14:58:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:20,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 14:58:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:20,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 14:58:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:20,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:20,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 14:58:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:20,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 14:58:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:20,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 14:58:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:20,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 14:58:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:20,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 14:58:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:20,450 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 14:58:20,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:58:20,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176343657] [2021-12-18 14:58:20,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176343657] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:58:20,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:58:20,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:58:20,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345775284] [2021-12-18 14:58:20,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:58:20,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:58:20,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:58:20,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:58:20,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:58:20,454 INFO L87 Difference]: Start difference. First operand 12653 states and 19121 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-18 14:58:21,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:58:21,089 INFO L93 Difference]: Finished difference Result 12659 states and 19126 transitions. [2021-12-18 14:58:21,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:58:21,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2021-12-18 14:58:21,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:58:21,159 INFO L225 Difference]: With dead ends: 12659 [2021-12-18 14:58:21,160 INFO L226 Difference]: Without dead ends: 12657 [2021-12-18 14:58:21,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 14:58:21,178 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19048 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19060 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:58:21,179 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19060 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 14:58:21,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12657 states. [2021-12-18 14:58:21,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12657 to 12657. [2021-12-18 14:58:21,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12657 states, 8725 states have (on average 1.3740974212034385) internal successors, (11989), 9031 states have internal predecessors, (11989), 3569 states have call successors, (3569), 361 states have call predecessors, (3569), 360 states have return successors, (3566), 3491 states have call predecessors, (3566), 3566 states have call successors, (3566) [2021-12-18 14:58:21,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12657 states to 12657 states and 19124 transitions. [2021-12-18 14:58:21,864 INFO L78 Accepts]: Start accepts. Automaton has 12657 states and 19124 transitions. Word has length 63 [2021-12-18 14:58:21,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:58:21,866 INFO L470 AbstractCegarLoop]: Abstraction has 12657 states and 19124 transitions. [2021-12-18 14:58:21,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-18 14:58:21,866 INFO L276 IsEmpty]: Start isEmpty. Operand 12657 states and 19124 transitions. [2021-12-18 14:58:21,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-18 14:58:21,867 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:58:21,868 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:58:21,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 14:58:21,868 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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)] === [2021-12-18 14:58:21,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:58:21,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1458039264, now seen corresponding path program 1 times [2021-12-18 14:58:21,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:58:21,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492459002] [2021-12-18 14:58:21,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:58:21,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:58:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:22,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 14:58:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:22,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 14:58:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:22,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 14:58:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:22,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:22,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 14:58:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:22,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 14:58:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:22,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 14:58:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:22,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 14:58:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:22,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 14:58:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:22,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 14:58:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:22,495 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-12-18 14:58:22,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:58:22,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492459002] [2021-12-18 14:58:22,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492459002] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:58:22,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:58:22,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:58:22,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965325643] [2021-12-18 14:58:22,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:58:22,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:58:22,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:58:22,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:58:22,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:58:22,498 INFO L87 Difference]: Start difference. First operand 12657 states and 19124 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 14:58:23,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:58:23,166 INFO L93 Difference]: Finished difference Result 12807 states and 19329 transitions. [2021-12-18 14:58:23,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:58:23,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2021-12-18 14:58:23,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:58:23,236 INFO L225 Difference]: With dead ends: 12807 [2021-12-18 14:58:23,236 INFO L226 Difference]: Without dead ends: 12805 [2021-12-18 14:58:23,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 14:58:23,256 INFO L933 BasicCegarLoop]: 19136 mSDtfsCounter, 18972 mSDsluCounter, 38521 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18983 SdHoareTripleChecker+Valid, 57657 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:58:23,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18983 Valid, 57657 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 14:58:23,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12805 states. [2021-12-18 14:58:24,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12805 to 12799. [2021-12-18 14:58:24,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12799 states, 8811 states have (on average 1.372829417773238) internal successors, (12096), 9127 states have internal predecessors, (12096), 3610 states have call successors, (3610), 379 states have call predecessors, (3610), 375 states have return successors, (3617), 3523 states have call predecessors, (3617), 3607 states have call successors, (3617) [2021-12-18 14:58:24,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12799 states to 12799 states and 19323 transitions. [2021-12-18 14:58:24,233 INFO L78 Accepts]: Start accepts. Automaton has 12799 states and 19323 transitions. Word has length 68 [2021-12-18 14:58:24,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:58:24,233 INFO L470 AbstractCegarLoop]: Abstraction has 12799 states and 19323 transitions. [2021-12-18 14:58:24,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 14:58:24,234 INFO L276 IsEmpty]: Start isEmpty. Operand 12799 states and 19323 transitions. [2021-12-18 14:58:24,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-18 14:58:24,235 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:58:24,235 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:58:24,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 14:58:24,236 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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)] === [2021-12-18 14:58:24,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:58:24,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1250116634, now seen corresponding path program 1 times [2021-12-18 14:58:24,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:58:24,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932829420] [2021-12-18 14:58:24,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:58:24,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:58:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:24,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 14:58:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:24,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 14:58:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:24,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 14:58:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:24,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:24,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 14:58:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:24,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 14:58:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:24,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 14:58:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:24,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 14:58:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:24,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 14:58:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:24,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 14:58:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:24,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 14:58:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 14:58:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:24,860 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-18 14:58:24,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:58:24,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932829420] [2021-12-18 14:58:24,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932829420] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:58:24,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:58:24,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:58:24,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558759828] [2021-12-18 14:58:24,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:58:24,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:58:24,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:58:24,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:58:24,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:58:24,862 INFO L87 Difference]: Start difference. First operand 12799 states and 19323 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 14:58:25,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:58:25,548 INFO L93 Difference]: Finished difference Result 12805 states and 19328 transitions. [2021-12-18 14:58:25,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:58:25,548 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 86 [2021-12-18 14:58:25,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:58:25,614 INFO L225 Difference]: With dead ends: 12805 [2021-12-18 14:58:25,614 INFO L226 Difference]: Without dead ends: 12803 [2021-12-18 14:58:25,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 14:58:25,630 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19038 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19048 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:58:25,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19048 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 14:58:25,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12803 states. [2021-12-18 14:58:26,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12803 to 12803. [2021-12-18 14:58:26,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12803 states, 8814 states have (on average 1.3727025187202178) internal successors, (12099), 9130 states have internal predecessors, (12099), 3610 states have call successors, (3610), 380 states have call predecessors, (3610), 376 states have return successors, (3617), 3523 states have call predecessors, (3617), 3607 states have call successors, (3617) [2021-12-18 14:58:26,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12803 states to 12803 states and 19326 transitions. [2021-12-18 14:58:26,473 INFO L78 Accepts]: Start accepts. Automaton has 12803 states and 19326 transitions. Word has length 86 [2021-12-18 14:58:26,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:58:26,473 INFO L470 AbstractCegarLoop]: Abstraction has 12803 states and 19326 transitions. [2021-12-18 14:58:26,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 14:58:26,474 INFO L276 IsEmpty]: Start isEmpty. Operand 12803 states and 19326 transitions. [2021-12-18 14:58:26,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-18 14:58:26,475 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:58:26,475 INFO L514 BasicCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:58:26,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 14:58:26,476 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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)] === [2021-12-18 14:58:26,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:58:26,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1348221372, now seen corresponding path program 1 times [2021-12-18 14:58:26,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:58:26,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639537145] [2021-12-18 14:58:26,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:58:26,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:58:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:26,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 14:58:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 14:58:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:26,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 14:58:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:26,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 14:58:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:26,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 14:58:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:27,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 14:58:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:27,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 14:58:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:27,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 14:58:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:27,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 14:58:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:27,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 14:58:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:27,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 14:58:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:27,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 14:58:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:27,087 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-12-18 14:58:27,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:58:27,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639537145] [2021-12-18 14:58:27,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639537145] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:58:27,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:58:27,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:58:27,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224620382] [2021-12-18 14:58:27,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:58:27,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:58:27,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:58:27,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:58:27,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:58:27,089 INFO L87 Difference]: Start difference. First operand 12803 states and 19326 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 14:58:27,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:58:27,789 INFO L93 Difference]: Finished difference Result 12809 states and 19331 transitions. [2021-12-18 14:58:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:58:27,790 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 91 [2021-12-18 14:58:27,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:58:27,854 INFO L225 Difference]: With dead ends: 12809 [2021-12-18 14:58:27,854 INFO L226 Difference]: Without dead ends: 12807 [2021-12-18 14:58:27,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 14:58:27,867 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19038 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19047 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:58:27,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19047 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 14:58:27,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12807 states. [2021-12-18 14:58:28,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12807 to 12807. [2021-12-18 14:58:28,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12807 states, 8817 states have (on average 1.3725757060224566) internal successors, (12102), 9133 states have internal predecessors, (12102), 3610 states have call successors, (3610), 381 states have call predecessors, (3610), 377 states have return successors, (3617), 3523 states have call predecessors, (3617), 3607 states have call successors, (3617) [2021-12-18 14:58:28,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12807 states to 12807 states and 19329 transitions. [2021-12-18 14:58:28,770 INFO L78 Accepts]: Start accepts. Automaton has 12807 states and 19329 transitions. Word has length 91 [2021-12-18 14:58:28,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:58:28,772 INFO L470 AbstractCegarLoop]: Abstraction has 12807 states and 19329 transitions. [2021-12-18 14:58:28,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 14:58:28,772 INFO L276 IsEmpty]: Start isEmpty. Operand 12807 states and 19329 transitions. [2021-12-18 14:58:28,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-18 14:58:28,776 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:58:28,776 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:58:28,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 14:58:28,777 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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)] === [2021-12-18 14:58:28,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:58:28,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1444143690, now seen corresponding path program 1 times [2021-12-18 14:58:28,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:58:28,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117377229] [2021-12-18 14:58:28,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:58:28,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:58:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:29,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 14:58:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:29,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 14:58:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:29,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 14:58:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:29,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:29,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 14:58:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 14:58:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:29,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 14:58:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:29,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 14:58:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:29,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 14:58:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:29,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 14:58:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:29,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 14:58:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:29,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:58:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:29,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 14:58:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:29,354 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-12-18 14:58:29,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:58:29,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117377229] [2021-12-18 14:58:29,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117377229] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:58:29,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:58:29,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:58:29,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438063987] [2021-12-18 14:58:29,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:58:29,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:58:29,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:58:29,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:58:29,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:58:29,356 INFO L87 Difference]: Start difference. First operand 12807 states and 19329 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 14:58:30,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:58:30,065 INFO L93 Difference]: Finished difference Result 12813 states and 19334 transitions. [2021-12-18 14:58:30,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:58:30,066 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 83 [2021-12-18 14:58:30,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:58:30,116 INFO L225 Difference]: With dead ends: 12813 [2021-12-18 14:58:30,116 INFO L226 Difference]: Without dead ends: 12811 [2021-12-18 14:58:30,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 14:58:30,126 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19048 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19056 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:58:30,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19056 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 14:58:30,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12811 states. [2021-12-18 14:58:30,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12811 to 12811. [2021-12-18 14:58:31,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12811 states, 8820 states have (on average 1.3724489795918366) internal successors, (12105), 9136 states have internal predecessors, (12105), 3610 states have call successors, (3610), 382 states have call predecessors, (3610), 378 states have return successors, (3617), 3523 states have call predecessors, (3617), 3607 states have call successors, (3617) [2021-12-18 14:58:31,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12811 states to 12811 states and 19332 transitions. [2021-12-18 14:58:31,098 INFO L78 Accepts]: Start accepts. Automaton has 12811 states and 19332 transitions. Word has length 83 [2021-12-18 14:58:31,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:58:31,099 INFO L470 AbstractCegarLoop]: Abstraction has 12811 states and 19332 transitions. [2021-12-18 14:58:31,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 14:58:31,099 INFO L276 IsEmpty]: Start isEmpty. Operand 12811 states and 19332 transitions. [2021-12-18 14:58:31,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-12-18 14:58:31,100 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:58:31,101 INFO L514 BasicCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:58:31,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 14:58:31,101 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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)] === [2021-12-18 14:58:31,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:58:31,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1476316896, now seen corresponding path program 1 times [2021-12-18 14:58:31,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:58:31,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18913031] [2021-12-18 14:58:31,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:58:31,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:58:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:31,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 14:58:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:31,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 14:58:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:31,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 14:58:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:31,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:31,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 14:58:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:31,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 14:58:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:31,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 14:58:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:31,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 14:58:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:31,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 14:58:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:31,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 14:58:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:31,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 14:58:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:31,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:58:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:31,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 14:58:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:31,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 14:58:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-12-18 14:58:31,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:58:31,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18913031] [2021-12-18 14:58:31,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18913031] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:58:31,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:58:31,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:58:31,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520926147] [2021-12-18 14:58:31,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:58:31,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:58:31,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:58:31,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:58:31,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:58:31,755 INFO L87 Difference]: Start difference. First operand 12811 states and 19332 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 14:58:32,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:58:32,628 INFO L93 Difference]: Finished difference Result 16465 states and 24695 transitions. [2021-12-18 14:58:32,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:58:32,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 88 [2021-12-18 14:58:32,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:58:32,689 INFO L225 Difference]: With dead ends: 16465 [2021-12-18 14:58:32,690 INFO L226 Difference]: Without dead ends: 16463 [2021-12-18 14:58:32,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 14:58:32,699 INFO L933 BasicCegarLoop]: 23758 mSDtfsCounter, 14900 mSDsluCounter, 56804 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14907 SdHoareTripleChecker+Valid, 80562 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:58:32,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14907 Valid, 80562 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 14:58:32,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16463 states. [2021-12-18 14:58:33,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16463 to 16459. [2021-12-18 14:58:33,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16459 states, 11230 states have (on average 1.3647373107747105) internal successors, (15326), 11617 states have internal predecessors, (15326), 4674 states have call successors, (4674), 559 states have call predecessors, (4674), 552 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-12-18 14:58:33,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16459 states to 16459 states and 24691 transitions. [2021-12-18 14:58:33,644 INFO L78 Accepts]: Start accepts. Automaton has 16459 states and 24691 transitions. Word has length 88 [2021-12-18 14:58:33,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:58:33,645 INFO L470 AbstractCegarLoop]: Abstraction has 16459 states and 24691 transitions. [2021-12-18 14:58:33,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 14:58:33,645 INFO L276 IsEmpty]: Start isEmpty. Operand 16459 states and 24691 transitions. [2021-12-18 14:58:33,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-18 14:58:33,646 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:58:33,647 INFO L514 BasicCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:58:33,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 14:58:33,647 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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)] === [2021-12-18 14:58:33,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:58:33,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1984475622, now seen corresponding path program 1 times [2021-12-18 14:58:33,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:58:33,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682202058] [2021-12-18 14:58:33,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:58:33,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:58:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:34,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 14:58:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:34,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 14:58:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:34,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 14:58:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:34,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:34,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 14:58:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:34,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 14:58:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:34,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 14:58:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:34,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 14:58:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:34,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 14:58:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:34,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 14:58:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:34,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 14:58:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:34,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 14:58:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:34,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 14:58:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:34,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 14:58:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:34,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 14:58:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:34,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 14:58:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-12-18 14:58:34,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:58:34,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682202058] [2021-12-18 14:58:34,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682202058] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:58:34,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:58:34,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:58:34,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374799363] [2021-12-18 14:58:34,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:58:34,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:58:34,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:58:34,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:58:34,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:58:34,279 INFO L87 Difference]: Start difference. First operand 16459 states and 24691 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 14:58:35,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:58:35,068 INFO L93 Difference]: Finished difference Result 16465 states and 24696 transitions. [2021-12-18 14:58:35,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:58:35,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106 [2021-12-18 14:58:35,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:58:35,112 INFO L225 Difference]: With dead ends: 16465 [2021-12-18 14:58:35,112 INFO L226 Difference]: Without dead ends: 16463 [2021-12-18 14:58:35,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 14:58:35,120 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19038 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19044 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:58:35,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19044 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 14:58:35,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16463 states. [2021-12-18 14:58:35,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16463 to 16463. [2021-12-18 14:58:35,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16463 states, 11233 states have (on average 1.3646399002937772) internal successors, (15329), 11620 states have internal predecessors, (15329), 4674 states have call successors, (4674), 560 states have call predecessors, (4674), 553 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-12-18 14:58:36,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16463 states to 16463 states and 24694 transitions. [2021-12-18 14:58:36,041 INFO L78 Accepts]: Start accepts. Automaton has 16463 states and 24694 transitions. Word has length 106 [2021-12-18 14:58:36,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:58:36,041 INFO L470 AbstractCegarLoop]: Abstraction has 16463 states and 24694 transitions. [2021-12-18 14:58:36,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 14:58:36,042 INFO L276 IsEmpty]: Start isEmpty. Operand 16463 states and 24694 transitions. [2021-12-18 14:58:36,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-18 14:58:36,043 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:58:36,043 INFO L514 BasicCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:58:36,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 14:58:36,044 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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)] === [2021-12-18 14:58:36,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:58:36,044 INFO L85 PathProgramCache]: Analyzing trace with hash -2104308036, now seen corresponding path program 1 times [2021-12-18 14:58:36,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:58:36,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863443506] [2021-12-18 14:58:36,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:58:36,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:58:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:36,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 14:58:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:36,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 14:58:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:36,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 14:58:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:36,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:36,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 14:58:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:36,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 14:58:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:36,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 14:58:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:36,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 14:58:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:36,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 14:58:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:36,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 14:58:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:36,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 14:58:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:36,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 14:58:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:36,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 14:58:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:36,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 14:58:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 14:58:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:36,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 14:58:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:36,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:58:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:36,708 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-12-18 14:58:36,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:58:36,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863443506] [2021-12-18 14:58:36,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863443506] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:58:36,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:58:36,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:58:36,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974185433] [2021-12-18 14:58:36,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:58:36,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:58:36,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:58:36,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:58:36,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:58:36,710 INFO L87 Difference]: Start difference. First operand 16463 states and 24694 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 14:58:37,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:58:37,582 INFO L93 Difference]: Finished difference Result 16469 states and 24699 transitions. [2021-12-18 14:58:37,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:58:37,583 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 111 [2021-12-18 14:58:37,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:58:37,649 INFO L225 Difference]: With dead ends: 16469 [2021-12-18 14:58:37,649 INFO L226 Difference]: Without dead ends: 16467 [2021-12-18 14:58:37,663 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 14:58:37,664 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19038 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19043 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:58:37,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19043 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 14:58:37,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16467 states. [2021-12-18 14:58:38,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16467 to 16467. [2021-12-18 14:58:38,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16467 states, 11236 states have (on average 1.3645425418298327) internal successors, (15332), 11623 states have internal predecessors, (15332), 4674 states have call successors, (4674), 561 states have call predecessors, (4674), 554 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-12-18 14:58:38,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16467 states to 16467 states and 24697 transitions. [2021-12-18 14:58:38,619 INFO L78 Accepts]: Start accepts. Automaton has 16467 states and 24697 transitions. Word has length 111 [2021-12-18 14:58:38,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:58:38,619 INFO L470 AbstractCegarLoop]: Abstraction has 16467 states and 24697 transitions. [2021-12-18 14:58:38,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 14:58:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 16467 states and 24697 transitions. [2021-12-18 14:58:38,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-18 14:58:38,621 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:58:38,621 INFO L514 BasicCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:58:38,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 14:58:38,621 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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)] === [2021-12-18 14:58:38,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:58:38,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1626775990, now seen corresponding path program 1 times [2021-12-18 14:58:38,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:58:38,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367681252] [2021-12-18 14:58:38,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:58:38,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:58:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:39,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 14:58:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:39,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 14:58:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:39,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 14:58:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:39,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:39,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 14:58:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:39,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 14:58:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:39,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 14:58:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:39,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 14:58:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:39,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 14:58:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:39,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 14:58:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:39,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 14:58:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:39,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:58:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:39,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 14:58:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:39,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 14:58:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:39,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 14:58:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:39,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 14:58:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:39,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 14:58:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:39,330 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-18 14:58:39,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:58:39,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367681252] [2021-12-18 14:58:39,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367681252] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:58:39,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:58:39,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:58:39,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480764171] [2021-12-18 14:58:39,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:58:39,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:58:39,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:58:39,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:58:39,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:58:39,332 INFO L87 Difference]: Start difference. First operand 16467 states and 24697 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 14:58:40,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:58:40,044 INFO L93 Difference]: Finished difference Result 16473 states and 24702 transitions. [2021-12-18 14:58:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:58:40,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 103 [2021-12-18 14:58:40,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:58:40,111 INFO L225 Difference]: With dead ends: 16473 [2021-12-18 14:58:40,111 INFO L226 Difference]: Without dead ends: 16471 [2021-12-18 14:58:40,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 14:58:40,126 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19048 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19052 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:58:40,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19052 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 14:58:40,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16471 states. [2021-12-18 14:58:41,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16471 to 16471. [2021-12-18 14:58:41,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16471 states, 11239 states have (on average 1.3644452353412224) internal successors, (15335), 11626 states have internal predecessors, (15335), 4674 states have call successors, (4674), 562 states have call predecessors, (4674), 555 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-12-18 14:58:41,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16471 states to 16471 states and 24700 transitions. [2021-12-18 14:58:41,128 INFO L78 Accepts]: Start accepts. Automaton has 16471 states and 24700 transitions. Word has length 103 [2021-12-18 14:58:41,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:58:41,129 INFO L470 AbstractCegarLoop]: Abstraction has 16471 states and 24700 transitions. [2021-12-18 14:58:41,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 14:58:41,129 INFO L276 IsEmpty]: Start isEmpty. Operand 16471 states and 24700 transitions. [2021-12-18 14:58:41,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-18 14:58:41,131 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:58:41,131 INFO L514 BasicCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:58:41,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 14:58:41,131 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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)] === [2021-12-18 14:58:41,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:58:41,131 INFO L85 PathProgramCache]: Analyzing trace with hash -505220804, now seen corresponding path program 1 times [2021-12-18 14:58:41,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:58:41,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276902040] [2021-12-18 14:58:41,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:58:41,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:58:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 14:58:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 14:58:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 14:58:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 14:58:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 14:58:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 14:58:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 14:58:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 14:58:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 14:58:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 14:58:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 14:58:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 14:58:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 14:58:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 14:58:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 14:58:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:58:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 14:58:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 14:58:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:41,868 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-12-18 14:58:41,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:58:41,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276902040] [2021-12-18 14:58:41,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276902040] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:58:41,869 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:58:41,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:58:41,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531419205] [2021-12-18 14:58:41,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:58:41,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:58:41,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:58:41,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:58:41,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:58:41,870 INFO L87 Difference]: Start difference. First operand 16471 states and 24700 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 14:58:42,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:58:42,781 INFO L93 Difference]: Finished difference Result 16477 states and 24705 transitions. [2021-12-18 14:58:42,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:58:42,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 121 [2021-12-18 14:58:42,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:58:42,853 INFO L225 Difference]: With dead ends: 16477 [2021-12-18 14:58:42,853 INFO L226 Difference]: Without dead ends: 16475 [2021-12-18 14:58:42,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 14:58:42,869 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19038 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19041 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:58:42,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19041 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 14:58:42,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16475 states. [2021-12-18 14:58:43,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16475 to 16475. [2021-12-18 14:58:43,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16475 states, 11242 states have (on average 1.364347980786337) internal successors, (15338), 11629 states have internal predecessors, (15338), 4674 states have call successors, (4674), 563 states have call predecessors, (4674), 556 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-12-18 14:58:43,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16475 states to 16475 states and 24703 transitions. [2021-12-18 14:58:43,863 INFO L78 Accepts]: Start accepts. Automaton has 16475 states and 24703 transitions. Word has length 121 [2021-12-18 14:58:43,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:58:43,864 INFO L470 AbstractCegarLoop]: Abstraction has 16475 states and 24703 transitions. [2021-12-18 14:58:43,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 14:58:43,864 INFO L276 IsEmpty]: Start isEmpty. Operand 16475 states and 24703 transitions. [2021-12-18 14:58:43,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-18 14:58:43,867 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:58:43,868 INFO L514 BasicCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:58:43,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 14:58:43,871 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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)] === [2021-12-18 14:58:43,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:58:43,872 INFO L85 PathProgramCache]: Analyzing trace with hash -309258214, now seen corresponding path program 1 times [2021-12-18 14:58:43,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:58:43,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104336502] [2021-12-18 14:58:43,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:58:43,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:58:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 14:58:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 14:58:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 14:58:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 14:58:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 14:58:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 14:58:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 14:58:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 14:58:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 14:58:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 14:58:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 14:58:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 14:58:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 14:58:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 14:58:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 14:58:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:58:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 14:58:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 14:58:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 14:58:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:44,559 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2021-12-18 14:58:44,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:58:44,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104336502] [2021-12-18 14:58:44,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104336502] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:58:44,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:58:44,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:58:44,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279830961] [2021-12-18 14:58:44,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:58:44,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:58:44,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:58:44,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:58:44,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:58:44,561 INFO L87 Difference]: Start difference. First operand 16475 states and 24703 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 14:58:45,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:58:45,355 INFO L93 Difference]: Finished difference Result 16481 states and 24708 transitions. [2021-12-18 14:58:45,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:58:45,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 126 [2021-12-18 14:58:45,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:58:45,422 INFO L225 Difference]: With dead ends: 16481 [2021-12-18 14:58:45,422 INFO L226 Difference]: Without dead ends: 16479 [2021-12-18 14:58:45,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 14:58:45,438 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19038 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19040 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:58:45,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19040 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 14:58:45,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16479 states. [2021-12-18 14:58:46,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16479 to 16479. [2021-12-18 14:58:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16479 states, 11245 states have (on average 1.3642507781236104) internal successors, (15341), 11632 states have internal predecessors, (15341), 4674 states have call successors, (4674), 564 states have call predecessors, (4674), 557 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-12-18 14:58:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16479 states to 16479 states and 24706 transitions. [2021-12-18 14:58:46,413 INFO L78 Accepts]: Start accepts. Automaton has 16479 states and 24706 transitions. Word has length 126 [2021-12-18 14:58:46,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:58:46,414 INFO L470 AbstractCegarLoop]: Abstraction has 16479 states and 24706 transitions. [2021-12-18 14:58:46,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 14:58:46,414 INFO L276 IsEmpty]: Start isEmpty. Operand 16479 states and 24706 transitions. [2021-12-18 14:58:46,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-18 14:58:46,418 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:58:46,418 INFO L514 BasicCegarLoop]: trace histogram [15, 14, 14, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:58:46,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 14:58:46,418 INFO L402 AbstractCegarLoop]: === Iteration 15 === 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)] === [2021-12-18 14:58:46,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:58:46,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1779633760, now seen corresponding path program 1 times [2021-12-18 14:58:46,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:58:46,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375379172] [2021-12-18 14:58:46,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:58:46,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:58:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:46,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 14:58:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:46,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 14:58:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:46,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 14:58:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:46,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:46,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 14:58:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:46,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 14:58:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:46,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 14:58:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:46,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 14:58:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:46,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 14:58:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:46,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 14:58:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:46,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 14:58:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:46,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:58:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:46,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 14:58:46,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:47,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 14:58:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:47,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 14:58:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:47,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 14:58:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:47,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 14:58:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:47,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 14:58:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:47,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 14:58:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:47,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 14:58:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:47,057 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2021-12-18 14:58:47,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:58:47,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375379172] [2021-12-18 14:58:47,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375379172] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:58:47,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:58:47,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:58:47,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670200643] [2021-12-18 14:58:47,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:58:47,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:58:47,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:58:47,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:58:47,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:58:47,058 INFO L87 Difference]: Start difference. First operand 16479 states and 24706 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 14:58:47,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:58:47,806 INFO L93 Difference]: Finished difference Result 16485 states and 24711 transitions. [2021-12-18 14:58:47,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 14:58:47,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 118 [2021-12-18 14:58:47,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:58:47,872 INFO L225 Difference]: With dead ends: 16485 [2021-12-18 14:58:47,872 INFO L226 Difference]: Without dead ends: 16481 [2021-12-18 14:58:47,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 14:58:47,887 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19048 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19049 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:58:47,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19049 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 14:58:47,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16481 states. [2021-12-18 14:58:48,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16481 to 16481. [2021-12-18 14:58:48,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16481 states, 11247 states have (on average 1.3640970925580154) internal successors, (15342), 11633 states have internal predecessors, (15342), 4674 states have call successors, (4674), 565 states have call predecessors, (4674), 557 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-12-18 14:58:48,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16481 states to 16481 states and 24707 transitions. [2021-12-18 14:58:48,897 INFO L78 Accepts]: Start accepts. Automaton has 16481 states and 24707 transitions. Word has length 118 [2021-12-18 14:58:48,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:58:48,897 INFO L470 AbstractCegarLoop]: Abstraction has 16481 states and 24707 transitions. [2021-12-18 14:58:48,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 14:58:48,897 INFO L276 IsEmpty]: Start isEmpty. Operand 16481 states and 24707 transitions. [2021-12-18 14:58:48,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-12-18 14:58:48,899 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:58:48,899 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:58:48,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 14:58:48,900 INFO L402 AbstractCegarLoop]: === Iteration 16 === 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)] === [2021-12-18 14:58:48,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:58:48,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1182846998, now seen corresponding path program 1 times [2021-12-18 14:58:48,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:58:48,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313809756] [2021-12-18 14:58:48,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:58:48,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:58:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 14:58:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 14:58:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 14:58:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 14:58:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 14:58:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 14:58:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 14:58:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:58:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:58:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 14:58:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 14:58:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:58:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:58:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 14:58:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 14:58:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:58:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:58:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:58:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 14:58:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 14:58:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:58:49,990 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-12-18 14:58:49,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:58:49,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313809756] [2021-12-18 14:58:49,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313809756] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:58:49,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:58:49,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:58:49,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702066974] [2021-12-18 14:58:49,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:58:49,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:58:49,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:58:49,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:58:49,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:58:49,993 INFO L87 Difference]: Start difference. First operand 16481 states and 24707 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 14:59:28,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:59:34,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:59:56,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:00:12,363 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:00:15,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:00:30,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:00:30,725 INFO L93 Difference]: Finished difference Result 18903 states and 30537 transitions. [2021-12-18 15:00:30,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 15:00:30,726 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2021-12-18 15:00:30,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:00:30,803 INFO L225 Difference]: With dead ends: 18903 [2021-12-18 15:00:30,803 INFO L226 Difference]: Without dead ends: 18901 [2021-12-18 15:00:30,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-18 15:00:30,818 INFO L933 BasicCegarLoop]: 24159 mSDtfsCounter, 17219 mSDsluCounter, 65751 mSDsCounter, 0 mSdLazyCounter, 14904 mSolverCounterSat, 7113 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19331 SdHoareTripleChecker+Valid, 89910 SdHoareTripleChecker+Invalid, 22022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 7113 IncrementalHoareTripleChecker+Valid, 14904 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.8s IncrementalHoareTripleChecker+Time [2021-12-18 15:00:30,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19331 Valid, 89910 Invalid, 22022 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [7113 Valid, 14904 Invalid, 5 Unknown, 0 Unchecked, 97.8s Time] [2021-12-18 15:00:30,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18901 states. [2021-12-18 15:00:32,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18901 to 16491. [2021-12-18 15:00:32,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16491 states, 11254 states have (on average 1.363870623778212) internal successors, (15349), 11642 states have internal predecessors, (15349), 4674 states have call successors, (4674), 566 states have call predecessors, (4674), 560 states have return successors, (4974), 4567 states have call predecessors, (4974), 4671 states have call successors, (4974) [2021-12-18 15:00:32,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16491 states to 16491 states and 24997 transitions. [2021-12-18 15:00:32,251 INFO L78 Accepts]: Start accepts. Automaton has 16491 states and 24997 transitions. Word has length 147 [2021-12-18 15:00:32,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:00:32,252 INFO L470 AbstractCegarLoop]: Abstraction has 16491 states and 24997 transitions. [2021-12-18 15:00:32,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 15:00:32,253 INFO L276 IsEmpty]: Start isEmpty. Operand 16491 states and 24997 transitions. [2021-12-18 15:00:32,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-12-18 15:00:32,255 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:00:32,256 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:00:32,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 15:00:32,257 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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)] === [2021-12-18 15:00:32,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:00:32,258 INFO L85 PathProgramCache]: Analyzing trace with hash -626661962, now seen corresponding path program 1 times [2021-12-18 15:00:32,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:00:32,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562085582] [2021-12-18 15:00:32,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:00:32,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:00:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 15:00:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:00:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 15:00:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:00:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 15:00:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 15:00:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 15:00:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 15:00:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 15:00:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 15:00:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 15:00:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 15:00:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 15:00:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 15:00:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 15:00:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 15:00:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 15:00:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:00:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 15:00:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 15:00:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 15:00:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:32,955 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2021-12-18 15:00:32,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:00:32,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562085582] [2021-12-18 15:00:32,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562085582] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:00:32,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:00:32,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 15:00:32,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627449904] [2021-12-18 15:00:32,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:00:32,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 15:00:32,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:00:32,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 15:00:32,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 15:00:32,957 INFO L87 Difference]: Start difference. First operand 16491 states and 24997 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 15:00:33,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:00:33,925 INFO L93 Difference]: Finished difference Result 16491 states and 24997 transitions. [2021-12-18 15:00:33,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 15:00:33,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 123 [2021-12-18 15:00:33,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:00:33,991 INFO L225 Difference]: With dead ends: 16491 [2021-12-18 15:00:33,991 INFO L226 Difference]: Without dead ends: 16380 [2021-12-18 15:00:34,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:00:34,007 INFO L933 BasicCegarLoop]: 19078 mSDtfsCounter, 19044 mSDsluCounter, 38136 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19044 SdHoareTripleChecker+Valid, 57214 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 15:00:34,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19044 Valid, 57214 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 15:00:34,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16380 states. [2021-12-18 15:00:35,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16380 to 16380. [2021-12-18 15:00:35,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16380 states, 11184 states have (on average 1.3657010014306152) internal successors, (15274), 11570 states have internal predecessors, (15274), 4651 states have call successors, (4651), 548 states have call predecessors, (4651), 543 states have return successors, (4951), 4545 states have call predecessors, (4951), 4648 states have call successors, (4951) [2021-12-18 15:00:35,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16380 states to 16380 states and 24876 transitions. [2021-12-18 15:00:35,189 INFO L78 Accepts]: Start accepts. Automaton has 16380 states and 24876 transitions. Word has length 123 [2021-12-18 15:00:35,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:00:35,189 INFO L470 AbstractCegarLoop]: Abstraction has 16380 states and 24876 transitions. [2021-12-18 15:00:35,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 15:00:35,190 INFO L276 IsEmpty]: Start isEmpty. Operand 16380 states and 24876 transitions. [2021-12-18 15:00:35,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-12-18 15:00:35,194 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:00:35,194 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:00:35,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 15:00:35,194 INFO L402 AbstractCegarLoop]: === Iteration 18 === 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)] === [2021-12-18 15:00:35,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:00:35,195 INFO L85 PathProgramCache]: Analyzing trace with hash -2066356709, now seen corresponding path program 1 times [2021-12-18 15:00:35,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:00:35,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371512634] [2021-12-18 15:00:35,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:00:35,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:00:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 15:00:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:00:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 15:00:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:00:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 15:00:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 15:00:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 15:00:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 15:00:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:00:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:00:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:00:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:00:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 15:00:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:00:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:00:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:00:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 15:00:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 15:00:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 15:00:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:00:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:35,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 15:00:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:36,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:00:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:36,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:00:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:36,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 15:00:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 15:00:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:36,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:00:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:36,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:00:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:36,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:00:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:36,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:00:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:00:36,500 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-12-18 15:00:36,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:00:36,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371512634] [2021-12-18 15:00:36,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371512634] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:00:36,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:00:36,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-18 15:00:36,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443025576] [2021-12-18 15:00:36,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:00:36,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 15:00:36,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:00:36,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 15:00:36,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-18 15:00:36,502 INFO L87 Difference]: Start difference. First operand 16380 states and 24876 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 15:03:02,787 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:03:04,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:03:07,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:03:09,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:03:11,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:03:24,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:03:59,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:04:01,355 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:04:03,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:04:05,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:04:07,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:04:09,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:04:11,404 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:04:43,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:04:45,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:05:11,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:05:13,996 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:07:02,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:07:04,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:07:08,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:07:10,484 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:07:53,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:07:55,381 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:07:57,476 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:07:59,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:08:01,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:08:03,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:08:05,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:08:25,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:08:30,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:08:32,523 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:08:41,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 15:08:43,774 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 [] [2021-12-18 15:08:53,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 15:08:53,065 INFO L93 Difference]: Finished difference Result 39164 states and 64975 transitions. [2021-12-18 15:08:53,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-18 15:08:53,066 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 191 [2021-12-18 15:08:53,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 15:08:53,168 INFO L225 Difference]: With dead ends: 39164 [2021-12-18 15:08:53,168 INFO L226 Difference]: Without dead ends: 22803 [2021-12-18 15:08:53,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2021-12-18 15:08:53,242 INFO L933 BasicCegarLoop]: 17225 mSDtfsCounter, 24911 mSDsluCounter, 58166 mSDsCounter, 0 mSdLazyCounter, 73144 mSolverCounterSat, 32223 mSolverCounterUnsat, 33 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 466.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28061 SdHoareTripleChecker+Valid, 75391 SdHoareTripleChecker+Invalid, 105400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.5s SdHoareTripleChecker+Time, 32223 IncrementalHoareTripleChecker+Valid, 73144 IncrementalHoareTripleChecker+Invalid, 33 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 488.5s IncrementalHoareTripleChecker+Time [2021-12-18 15:08:53,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28061 Valid, 75391 Invalid, 105400 Unknown, 0 Unchecked, 1.5s Time], IncrementalHoareTripleChecker [32223 Valid, 73144 Invalid, 33 Unknown, 0 Unchecked, 488.5s Time] [2021-12-18 15:08:53,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22803 states. [2021-12-18 15:08:55,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22803 to 16409. [2021-12-18 15:08:55,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16409 states, 11204 states have (on average 1.3652267047483042) internal successors, (15296), 11590 states have internal predecessors, (15296), 4653 states have call successors, (4653), 548 states have call predecessors, (4653), 550 states have return successors, (5613), 4556 states have call predecessors, (5613), 4650 states have call successors, (5613) [2021-12-18 15:08:55,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16409 states to 16409 states and 25562 transitions. [2021-12-18 15:08:55,239 INFO L78 Accepts]: Start accepts. Automaton has 16409 states and 25562 transitions. Word has length 191 [2021-12-18 15:08:55,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 15:08:55,239 INFO L470 AbstractCegarLoop]: Abstraction has 16409 states and 25562 transitions. [2021-12-18 15:08:55,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 15:08:55,240 INFO L276 IsEmpty]: Start isEmpty. Operand 16409 states and 25562 transitions. [2021-12-18 15:08:55,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-18 15:08:55,244 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 15:08:55,244 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 15:08:55,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 15:08:55,244 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2021-12-18 15:08:55,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 15:08:55,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1999980460, now seen corresponding path program 1 times [2021-12-18 15:08:55,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 15:08:55,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056326598] [2021-12-18 15:08:55,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 15:08:55,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 15:08:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 15:08:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 15:08:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 15:08:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:08:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 15:08:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 15:08:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 15:08:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 15:08:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:08:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:08:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:08:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 15:08:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 15:08:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:08:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:08:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:08:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 15:08:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 15:08:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:08:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 15:08:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 15:08:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 15:08:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:55,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 15:08:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:56,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 15:08:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:56,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:08:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:56,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 15:08:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 15:08:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:56,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 15:08:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:56,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 15:08:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 15:08:56,261 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-12-18 15:08:56,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 15:08:56,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056326598] [2021-12-18 15:08:56,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056326598] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 15:08:56,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 15:08:56,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 15:08:56,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361937809] [2021-12-18 15:08:56,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 15:08:56,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 15:08:56,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 15:08:56,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 15:08:56,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-18 15:08:56,263 INFO L87 Difference]: Start difference. First operand 16409 states and 25562 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Killed by 15