./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 678d1ed0889f06c506279e4c19484f47385b64dd1d4a949ec484624bf8468835 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 03:31:51,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:31:51,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:31:51,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:31:51,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:31:51,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:31:51,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:31:51,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:31:51,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:31:51,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:31:51,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:31:51,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:31:51,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:31:51,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:31:51,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:31:51,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:31:51,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:31:51,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:31:51,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:31:51,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:31:51,865 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:31:51,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:31:51,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:31:51,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:31:51,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:31:51,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:31:51,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:31:51,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:31:51,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:31:51,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:31:51,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:31:51,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:31:51,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:31:51,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:31:51,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:31:51,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:31:51,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:31:51,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:31:51,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:31:51,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:31:51,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:31:51,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:31:51,882 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:31:51,901 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:31:51,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:31:51,902 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:31:51,903 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:31:51,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:31:51,903 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:31:51,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:31:51,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:31:51,904 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:31:51,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:31:51,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:31:51,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:31:51,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:31:51,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:31:51,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:31:51,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:31:51,906 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:31:51,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:31:51,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:31:51,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:31:51,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:31:51,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:31:51,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:31:51,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:31:51,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:31:51,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:31:51,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:31:51,908 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:31:51,908 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:31:51,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:31:51,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 678d1ed0889f06c506279e4c19484f47385b64dd1d4a949ec484624bf8468835 [2022-07-20 03:31:52,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:31:52,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:31:52,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:31:52,168 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:31:52,168 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:31:52,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-07-20 03:31:52,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b89f0d7c/7b5be02794e5401086a5fa3cf219bdb7/FLAG3feac60f0 [2022-07-20 03:31:53,144 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:31:53,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-07-20 03:31:53,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b89f0d7c/7b5be02794e5401086a5fa3cf219bdb7/FLAG3feac60f0 [2022-07-20 03:31:53,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b89f0d7c/7b5be02794e5401086a5fa3cf219bdb7 [2022-07-20 03:31:53,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:31:53,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:31:53,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:31:53,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:31:53,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:31:53,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:31:53" (1/1) ... [2022-07-20 03:31:53,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d07cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:31:53, skipping insertion in model container [2022-07-20 03:31:53,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:31:53" (1/1) ... [2022-07-20 03:31:53,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:31:53,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:32:00,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596672,596685] [2022-07-20 03:32:00,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596841,596854] [2022-07-20 03:32:00,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597008,597021] [2022-07-20 03:32:00,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597176,597189] [2022-07-20 03:32:00,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:32:00,501 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:32:01,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596672,596685] [2022-07-20 03:32:01,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596841,596854] [2022-07-20 03:32:01,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597008,597021] [2022-07-20 03:32:01,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597176,597189] [2022-07-20 03:32:01,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:32:01,479 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:32:01,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:32:01 WrapperNode [2022-07-20 03:32:01,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:32:01,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:32:01,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:32:01,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:32:01,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:32:01" (1/1) ... [2022-07-20 03:32:01,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:32:01" (1/1) ... [2022-07-20 03:32:02,040 INFO L137 Inliner]: procedures = 824, calls = 5690, calls flagged for inlining = 430, calls inlined = 371, statements flattened = 11681 [2022-07-20 03:32:02,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:32:02,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:32:02,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:32:02,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:32:02,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:32:01" (1/1) ... [2022-07-20 03:32:02,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:32:01" (1/1) ... [2022-07-20 03:32:02,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:32:01" (1/1) ... [2022-07-20 03:32:02,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:32:01" (1/1) ... [2022-07-20 03:32:02,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:32:01" (1/1) ... [2022-07-20 03:32:02,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:32:01" (1/1) ... [2022-07-20 03:32:02,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:32:01" (1/1) ... [2022-07-20 03:32:02,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:32:02,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:32:02,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:32:02,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:32:02,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:32:01" (1/1) ... [2022-07-20 03:32:02,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:32:02,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:32:02,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 03:32:02,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 03:32:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 03:32:02,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 03:32:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2022-07-20 03:32:02,639 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2022-07-20 03:32:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2022-07-20 03:32:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2022-07-20 03:32:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2022-07-20 03:32:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2022-07-20 03:32:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 03:32:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 03:32:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2022-07-20 03:32:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2022-07-20 03:32:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2022-07-20 03:32:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2022-07-20 03:32:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 03:32:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 03:32:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-07-20 03:32:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-07-20 03:32:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 03:32:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 03:32:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2022-07-20 03:32:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2022-07-20 03:32:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-20 03:32:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-20 03:32:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-07-20 03:32:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-07-20 03:32:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-07-20 03:32:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-07-20 03:32:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 03:32:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 03:32:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 03:32:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 03:32:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2022-07-20 03:32:02,644 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2022-07-20 03:32:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 03:32:02,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 03:32:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 03:32:02,644 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 03:32:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-07-20 03:32:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-07-20 03:32:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2022-07-20 03:32:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2022-07-20 03:32:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 03:32:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 03:32:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2022-07-20 03:32:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2022-07-20 03:32:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 03:32:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 03:32:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:32:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:32:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2022-07-20 03:32:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2022-07-20 03:32:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 03:32:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2022-07-20 03:32:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2022-07-20 03:32:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2022-07-20 03:32:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2022-07-20 03:32:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-20 03:32:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-20 03:32:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 03:32:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 03:32:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-07-20 03:32:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-07-20 03:32:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-20 03:32:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-20 03:32:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 03:32:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 03:32:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 03:32:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 03:32:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-07-20 03:32:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-07-20 03:32:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-20 03:32:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-20 03:32:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 03:32:02,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 03:32:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:32:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 03:32:02,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 03:32:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 03:32:02,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 03:32:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2022-07-20 03:32:02,651 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2022-07-20 03:32:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-07-20 03:32:02,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-07-20 03:32:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 03:32:02,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 03:32:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-07-20 03:32:02,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-07-20 03:32:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-07-20 03:32:02,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-07-20 03:32:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-20 03:32:02,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-20 03:32:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:32:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2022-07-20 03:32:02,653 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2022-07-20 03:32:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2022-07-20 03:32:02,653 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2022-07-20 03:32:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2022-07-20 03:32:02,653 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2022-07-20 03:32:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:32:02,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:32:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 03:32:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 03:32:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:32:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 03:32:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2022-07-20 03:32:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2022-07-20 03:32:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 03:32:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 03:32:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-07-20 03:32:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-07-20 03:32:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2022-07-20 03:32:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2022-07-20 03:32:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-20 03:32:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-20 03:32:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 03:32:02,656 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 03:32:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2022-07-20 03:32:02,656 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2022-07-20 03:32:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 03:32:02,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 03:32:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2022-07-20 03:32:02,657 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2022-07-20 03:32:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 03:32:02,657 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 03:32:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2022-07-20 03:32:02,657 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2022-07-20 03:32:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:32:02,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:32:02,658 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2022-07-20 03:32:02,658 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2022-07-20 03:32:02,658 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 03:32:02,658 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 03:32:02,658 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2022-07-20 03:32:02,658 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2022-07-20 03:32:02,658 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 03:32:02,658 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 03:32:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:32:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 03:32:02,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 03:32:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-20 03:32:02,659 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-20 03:32:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-07-20 03:32:02,659 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-07-20 03:32:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 03:32:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 03:32:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2022-07-20 03:32:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2022-07-20 03:32:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-20 03:32:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2022-07-20 03:32:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2022-07-20 03:32:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 03:32:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 03:32:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2022-07-20 03:32:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2022-07-20 03:32:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2022-07-20 03:32:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2022-07-20 03:32:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 03:32:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 03:32:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-20 03:32:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-20 03:32:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-20 03:32:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-20 03:32:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2022-07-20 03:32:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2022-07-20 03:32:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 03:32:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 03:32:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-20 03:32:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-20 03:32:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-20 03:32:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-20 03:32:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2022-07-20 03:32:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2022-07-20 03:32:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-20 03:32:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-20 03:32:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2022-07-20 03:32:02,664 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2022-07-20 03:32:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2022-07-20 03:32:02,664 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2022-07-20 03:32:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2022-07-20 03:32:02,664 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2022-07-20 03:32:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2022-07-20 03:32:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2022-07-20 03:32:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:32:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 03:32:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 03:32:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:32:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2022-07-20 03:32:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2022-07-20 03:32:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-20 03:32:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-20 03:32:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2022-07-20 03:32:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2022-07-20 03:32:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 03:32:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 03:32:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-07-20 03:32:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-07-20 03:32:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 03:32:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 03:32:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2022-07-20 03:32:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2022-07-20 03:32:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-20 03:32:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-20 03:32:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2022-07-20 03:32:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2022-07-20 03:32:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-20 03:32:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-20 03:32:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-07-20 03:32:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-07-20 03:32:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2022-07-20 03:32:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2022-07-20 03:32:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 03:32:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 03:32:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2022-07-20 03:32:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2022-07-20 03:32:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 03:32:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2022-07-20 03:32:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2022-07-20 03:32:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:32:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:32:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-07-20 03:32:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-07-20 03:32:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-20 03:32:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-20 03:32:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-07-20 03:32:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-07-20 03:32:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-20 03:32:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-20 03:32:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-20 03:32:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-20 03:32:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-20 03:32:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-20 03:32:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2022-07-20 03:32:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2022-07-20 03:32:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2022-07-20 03:32:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2022-07-20 03:32:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 03:32:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 03:32:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:32:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:32:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-20 03:32:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-20 03:32:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2022-07-20 03:32:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2022-07-20 03:32:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:32:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:32:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 03:32:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 03:32:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2022-07-20 03:32:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2022-07-20 03:32:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2022-07-20 03:32:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2022-07-20 03:32:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2022-07-20 03:32:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2022-07-20 03:32:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-07-20 03:32:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-07-20 03:32:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-07-20 03:32:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-07-20 03:32:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:32:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:32:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2022-07-20 03:32:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2022-07-20 03:32:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 03:32:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 03:32:02,676 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2022-07-20 03:32:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2022-07-20 03:32:02,676 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 03:32:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 03:32:02,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:32:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:32:02,676 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2022-07-20 03:32:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2022-07-20 03:32:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:32:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-07-20 03:32:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-07-20 03:32:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2022-07-20 03:32:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2022-07-20 03:32:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-20 03:32:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-20 03:32:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-20 03:32:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-20 03:32:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 03:32:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 03:32:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2022-07-20 03:32:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2022-07-20 03:32:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 03:32:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-20 03:32:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-20 03:32:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 03:32:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 03:32:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 03:32:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2022-07-20 03:32:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2022-07-20 03:32:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:32:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:32:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 03:32:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 03:32:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 03:32:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 03:32:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2022-07-20 03:32:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2022-07-20 03:32:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-20 03:32:02,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-20 03:32:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2022-07-20 03:32:02,681 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2022-07-20 03:32:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2022-07-20 03:32:02,681 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2022-07-20 03:32:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:32:02,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:32:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2022-07-20 03:32:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2022-07-20 03:32:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:32:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:32:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2022-07-20 03:32:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2022-07-20 03:32:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2022-07-20 03:32:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2022-07-20 03:32:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-20 03:32:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-20 03:32:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2022-07-20 03:32:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2022-07-20 03:32:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-07-20 03:32:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-07-20 03:32:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-20 03:32:02,684 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-20 03:32:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2022-07-20 03:32:02,684 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2022-07-20 03:32:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:32:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:32:02,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:32:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2022-07-20 03:32:02,685 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2022-07-20 03:32:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 03:32:02,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 03:32:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2022-07-20 03:32:02,685 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2022-07-20 03:32:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-20 03:32:02,686 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-20 03:32:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2022-07-20 03:32:02,686 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2022-07-20 03:32:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2022-07-20 03:32:02,686 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2022-07-20 03:32:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-07-20 03:32:02,686 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-07-20 03:32:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2022-07-20 03:32:02,687 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2022-07-20 03:32:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-20 03:32:02,687 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-20 03:32:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-20 03:32:02,687 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-20 03:32:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2022-07-20 03:32:02,688 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2022-07-20 03:32:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2022-07-20 03:32:02,688 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2022-07-20 03:32:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-07-20 03:32:02,688 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-07-20 03:32:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2022-07-20 03:32:02,688 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2022-07-20 03:32:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_sky2_port [2022-07-20 03:32:02,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_sky2_port [2022-07-20 03:32:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2022-07-20 03:32:02,689 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2022-07-20 03:32:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-20 03:32:02,689 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-20 03:32:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-20 03:32:02,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-20 03:32:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 03:32:02,690 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 03:32:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-20 03:32:02,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-20 03:32:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 03:32:02,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 03:32:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:32:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2022-07-20 03:32:02,691 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2022-07-20 03:32:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-20 03:32:02,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-20 03:32:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-20 03:32:02,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-20 03:32:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-20 03:32:02,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-20 03:32:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-20 03:32:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-20 03:32:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-20 03:32:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-20 03:32:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:32:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:32:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2022-07-20 03:32:02,693 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2022-07-20 03:32:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2022-07-20 03:32:02,693 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2022-07-20 03:32:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-20 03:32:02,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-20 03:32:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2022-07-20 03:32:02,693 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2022-07-20 03:32:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2022-07-20 03:32:02,694 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2022-07-20 03:32:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2022-07-20 03:32:02,694 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2022-07-20 03:32:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 03:32:02,694 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 03:32:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-07-20 03:32:02,694 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-07-20 03:32:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2022-07-20 03:32:02,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2022-07-20 03:32:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-20 03:32:02,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-20 03:32:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2022-07-20 03:32:02,695 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2022-07-20 03:32:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 03:32:02,696 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 03:32:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-20 03:32:02,696 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-20 03:32:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-20 03:32:02,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-20 03:32:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2022-07-20 03:32:02,696 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2022-07-20 03:32:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 03:32:02,697 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 03:32:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2022-07-20 03:32:02,697 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2022-07-20 03:32:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-07-20 03:32:02,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-07-20 03:32:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-20 03:32:02,697 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-20 03:32:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2022-07-20 03:32:02,698 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2022-07-20 03:32:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:32:02,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:32:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-20 03:32:02,698 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-20 03:32:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2022-07-20 03:32:02,698 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2022-07-20 03:32:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2022-07-20 03:32:02,699 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2022-07-20 03:32:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-07-20 03:32:02,699 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-07-20 03:32:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 03:32:02,699 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 03:32:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2022-07-20 03:32:02,699 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2022-07-20 03:32:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 03:32:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2022-07-20 03:32:02,700 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2022-07-20 03:32:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:32:02,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:32:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-20 03:32:02,700 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-20 03:32:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2022-07-20 03:32:02,700 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2022-07-20 03:32:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-20 03:32:04,026 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:32:04,030 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:32:04,157 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:32:13,816 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 03:32:20,830 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:32:20,860 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:32:20,861 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2022-07-20 03:32:20,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:32:20 BoogieIcfgContainer [2022-07-20 03:32:20,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:32:20,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:32:20,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:32:20,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:32:20,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:31:53" (1/3) ... [2022-07-20 03:32:20,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22bcd5bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:32:20, skipping insertion in model container [2022-07-20 03:32:20,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:32:01" (2/3) ... [2022-07-20 03:32:20,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22bcd5bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:32:20, skipping insertion in model container [2022-07-20 03:32:20,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:32:20" (3/3) ... [2022-07-20 03:32:20,878 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-07-20 03:32:20,890 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:32:20,890 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-20 03:32:21,000 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:32:21,006 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@66c8a7d5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1c99e624 [2022-07-20 03:32:21,006 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-20 03:32:21,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 4539 states, 3078 states have (on average 1.3235867446393763) internal successors, (4074), 3159 states have internal predecessors, (4074), 1244 states have call successors, (1244), 216 states have call predecessors, (1244), 215 states have return successors, (1234), 1209 states have call predecessors, (1234), 1234 states have call successors, (1234) [2022-07-20 03:32:21,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-07-20 03:32:21,054 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:32:21,055 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:32:21,056 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 03:32:21,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:32:21,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1356022128, now seen corresponding path program 1 times [2022-07-20 03:32:21,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:32:21,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696659956] [2022-07-20 03:32:21,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:32:21,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:32:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:32:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:32:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:32:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:32:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:32:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:32:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:32:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:32:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:32:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:32:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:32:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:32:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:32:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:32:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:32:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:32:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:32:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:32:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 03:32:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:32:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 03:32:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:32:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:32:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:32:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:32:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 03:32:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:32:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:32:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 03:32:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 03:32:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 03:32:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 03:32:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 03:32:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-20 03:32:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:22,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-20 03:32:22,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:32:22,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696659956] [2022-07-20 03:32:22,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696659956] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:32:22,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:32:22,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:32:22,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273069994] [2022-07-20 03:32:22,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:32:22,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:32:22,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:32:22,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:32:22,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:32:22,979 INFO L87 Difference]: Start difference. First operand has 4539 states, 3078 states have (on average 1.3235867446393763) internal successors, (4074), 3159 states have internal predecessors, (4074), 1244 states have call successors, (1244), 216 states have call predecessors, (1244), 215 states have return successors, (1234), 1209 states have call predecessors, (1234), 1234 states have call successors, (1234) Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-20 03:32:34,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:32:34,722 INFO L93 Difference]: Finished difference Result 13771 states and 20401 transitions. [2022-07-20 03:32:34,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:32:34,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 382 [2022-07-20 03:32:34,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:32:34,815 INFO L225 Difference]: With dead ends: 13771 [2022-07-20 03:32:34,815 INFO L226 Difference]: Without dead ends: 9285 [2022-07-20 03:32:34,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:32:34,861 INFO L413 NwaCegarLoop]: 6622 mSDtfsCounter, 8094 mSDsluCounter, 6088 mSDsCounter, 0 mSdLazyCounter, 5391 mSolverCounterSat, 4168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9255 SdHoareTripleChecker+Valid, 12710 SdHoareTripleChecker+Invalid, 9559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4168 IncrementalHoareTripleChecker+Valid, 5391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-07-20 03:32:34,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9255 Valid, 12710 Invalid, 9559 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4168 Valid, 5391 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2022-07-20 03:32:34,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9285 states. [2022-07-20 03:32:35,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9285 to 8743. [2022-07-20 03:32:35,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8743 states, 5925 states have (on average 1.2840506329113923) internal successors, (7608), 6086 states have internal predecessors, (7608), 2389 states have call successors, (2389), 427 states have call predecessors, (2389), 426 states have return successors, (2385), 2335 states have call predecessors, (2385), 2385 states have call successors, (2385) [2022-07-20 03:32:35,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8743 states to 8743 states and 12382 transitions. [2022-07-20 03:32:35,448 INFO L78 Accepts]: Start accepts. Automaton has 8743 states and 12382 transitions. Word has length 382 [2022-07-20 03:32:35,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:32:35,452 INFO L495 AbstractCegarLoop]: Abstraction has 8743 states and 12382 transitions. [2022-07-20 03:32:35,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-20 03:32:35,453 INFO L276 IsEmpty]: Start isEmpty. Operand 8743 states and 12382 transitions. [2022-07-20 03:32:35,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2022-07-20 03:32:35,472 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:32:35,473 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:32:35,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 03:32:35,473 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 03:32:35,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:32:35,474 INFO L85 PathProgramCache]: Analyzing trace with hash 326842464, now seen corresponding path program 1 times [2022-07-20 03:32:35,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:32:35,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104530109] [2022-07-20 03:32:35,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:32:35,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:32:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:35,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:32:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:35,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:35,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:32:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:32:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:32:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:32:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:32:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:32:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:32:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:32:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:32:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:32:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:32:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:32:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:32:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:32:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:32:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:32:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:32:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 03:32:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:32:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 03:32:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:32:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:32:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:32:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:32:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 03:32:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:32:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:32:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 03:32:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 03:32:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 03:32:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 03:32:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 03:32:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-20 03:32:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-20 03:32:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:36,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-20 03:32:36,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:32:36,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104530109] [2022-07-20 03:32:36,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104530109] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:32:36,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:32:36,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:32:36,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805949773] [2022-07-20 03:32:36,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:32:36,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:32:36,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:32:36,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:32:36,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:32:36,778 INFO L87 Difference]: Start difference. First operand 8743 states and 12382 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-20 03:32:49,226 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 [] [2022-07-20 03:32:50,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:32:50,472 INFO L93 Difference]: Finished difference Result 21843 states and 31130 transitions. [2022-07-20 03:32:50,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:32:50,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 415 [2022-07-20 03:32:50,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:32:50,560 INFO L225 Difference]: With dead ends: 21843 [2022-07-20 03:32:50,560 INFO L226 Difference]: Without dead ends: 13169 [2022-07-20 03:32:50,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:32:50,601 INFO L413 NwaCegarLoop]: 6571 mSDtfsCounter, 7600 mSDsluCounter, 6115 mSDsCounter, 0 mSdLazyCounter, 5335 mSolverCounterSat, 4093 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8679 SdHoareTripleChecker+Valid, 12686 SdHoareTripleChecker+Invalid, 9429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4093 IncrementalHoareTripleChecker+Valid, 5335 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:32:50,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8679 Valid, 12686 Invalid, 9429 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4093 Valid, 5335 Invalid, 1 Unknown, 0 Unchecked, 13.0s Time] [2022-07-20 03:32:50,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13169 states. [2022-07-20 03:32:51,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13169 to 12344. [2022-07-20 03:32:51,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12344 states, 8361 states have (on average 1.281066858031336) internal successors, (10711), 8586 states have internal predecessors, (10711), 3358 states have call successors, (3358), 624 states have call predecessors, (3358), 622 states have return successors, (3354), 3276 states have call predecessors, (3354), 3354 states have call successors, (3354) [2022-07-20 03:32:51,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12344 states to 12344 states and 17423 transitions. [2022-07-20 03:32:51,234 INFO L78 Accepts]: Start accepts. Automaton has 12344 states and 17423 transitions. Word has length 415 [2022-07-20 03:32:51,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:32:51,236 INFO L495 AbstractCegarLoop]: Abstraction has 12344 states and 17423 transitions. [2022-07-20 03:32:51,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-20 03:32:51,237 INFO L276 IsEmpty]: Start isEmpty. Operand 12344 states and 17423 transitions. [2022-07-20 03:32:51,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2022-07-20 03:32:51,251 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:32:51,252 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:32:51,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 03:32:51,252 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 03:32:51,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:32:51,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1572111467, now seen corresponding path program 1 times [2022-07-20 03:32:51,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:32:51,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220828428] [2022-07-20 03:32:51,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:32:51,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:32:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:32:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:32:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:32:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:32:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:32:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:32:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:32:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:32:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:32:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:32:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:32:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:32:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:32:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:32:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:32:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:32:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:32:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:32:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:51,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 03:32:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:32:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 03:32:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:32:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:32:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:32:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:32:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 03:32:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:32:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:32:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 03:32:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 03:32:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 03:32:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 03:32:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 03:32:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-20 03:32:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-20 03:32:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:52,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-20 03:32:52,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:32:52,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220828428] [2022-07-20 03:32:52,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220828428] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:32:52,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:32:52,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:32:52,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306362635] [2022-07-20 03:32:52,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:32:52,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:32:52,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:32:52,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:32:52,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:32:52,302 INFO L87 Difference]: Start difference. First operand 12344 states and 17423 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-20 03:33:03,714 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 [] [2022-07-20 03:33:05,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:33:05,543 INFO L93 Difference]: Finished difference Result 37612 states and 53462 transitions. [2022-07-20 03:33:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:33:05,544 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 416 [2022-07-20 03:33:05,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:33:05,687 INFO L225 Difference]: With dead ends: 37612 [2022-07-20 03:33:05,687 INFO L226 Difference]: Without dead ends: 25337 [2022-07-20 03:33:05,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:33:05,753 INFO L413 NwaCegarLoop]: 7960 mSDtfsCounter, 7038 mSDsluCounter, 6376 mSDsCounter, 0 mSdLazyCounter, 5480 mSolverCounterSat, 3693 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8172 SdHoareTripleChecker+Valid, 14336 SdHoareTripleChecker+Invalid, 9174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3693 IncrementalHoareTripleChecker+Valid, 5480 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-07-20 03:33:05,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8172 Valid, 14336 Invalid, 9174 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3693 Valid, 5480 Invalid, 1 Unknown, 0 Unchecked, 12.3s Time] [2022-07-20 03:33:05,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25337 states. [2022-07-20 03:33:06,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25337 to 23829. [2022-07-20 03:33:06,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23829 states, 16134 states have (on average 1.2795339035577042) internal successors, (20644), 16569 states have internal predecessors, (20644), 6475 states have call successors, (6475), 1220 states have call predecessors, (6475), 1217 states have return successors, (6471), 6318 states have call predecessors, (6471), 6471 states have call successors, (6471) [2022-07-20 03:33:06,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23829 states to 23829 states and 33590 transitions. [2022-07-20 03:33:06,784 INFO L78 Accepts]: Start accepts. Automaton has 23829 states and 33590 transitions. Word has length 416 [2022-07-20 03:33:06,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:33:06,785 INFO L495 AbstractCegarLoop]: Abstraction has 23829 states and 33590 transitions. [2022-07-20 03:33:06,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-20 03:33:06,786 INFO L276 IsEmpty]: Start isEmpty. Operand 23829 states and 33590 transitions. [2022-07-20 03:33:06,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-07-20 03:33:06,800 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:33:06,800 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:33:06,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 03:33:06,801 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 03:33:06,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:33:06,801 INFO L85 PathProgramCache]: Analyzing trace with hash -423110265, now seen corresponding path program 1 times [2022-07-20 03:33:06,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:33:06,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637850653] [2022-07-20 03:33:06,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:33:06,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:33:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:33:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:33:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:33:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:33:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:33:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:33:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:33:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:33:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:33:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:33:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:33:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:33:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:33:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:33:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:33:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:33:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:33:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:33:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 03:33:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:33:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 03:33:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:33:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:33:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:33:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:33:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 03:33:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:33:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:33:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 03:33:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 03:33:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 03:33:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 03:33:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 03:33:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-20 03:33:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-20 03:33:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:07,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-20 03:33:07,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:33:07,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637850653] [2022-07-20 03:33:07,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637850653] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:33:07,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:33:07,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:33:07,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672405744] [2022-07-20 03:33:07,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:33:07,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:33:07,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:33:07,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:33:07,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:33:07,895 INFO L87 Difference]: Start difference. First operand 23829 states and 33590 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-20 03:33:18,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:33:18,148 INFO L93 Difference]: Finished difference Result 60150 states and 84938 transitions. [2022-07-20 03:33:18,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:33:18,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 418 [2022-07-20 03:33:18,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:33:18,337 INFO L225 Difference]: With dead ends: 60150 [2022-07-20 03:33:18,338 INFO L226 Difference]: Without dead ends: 36390 [2022-07-20 03:33:18,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:33:18,423 INFO L413 NwaCegarLoop]: 6423 mSDtfsCounter, 6717 mSDsluCounter, 6020 mSDsCounter, 0 mSdLazyCounter, 5242 mSolverCounterSat, 3926 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7669 SdHoareTripleChecker+Valid, 12443 SdHoareTripleChecker+Invalid, 9168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3926 IncrementalHoareTripleChecker+Valid, 5242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-07-20 03:33:18,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7669 Valid, 12443 Invalid, 9168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3926 Valid, 5242 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-07-20 03:33:18,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36390 states. [2022-07-20 03:33:20,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36390 to 34191. [2022-07-20 03:33:20,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34191 states, 22786 states have (on average 1.2674449223207231) internal successors, (28880), 23424 states have internal predecessors, (28880), 9463 states have call successors, (9463), 1930 states have call predecessors, (9463), 1939 states have return successors, (9508), 9236 states have call predecessors, (9508), 9459 states have call successors, (9508) [2022-07-20 03:33:20,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34191 states to 34191 states and 47851 transitions. [2022-07-20 03:33:20,362 INFO L78 Accepts]: Start accepts. Automaton has 34191 states and 47851 transitions. Word has length 418 [2022-07-20 03:33:20,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:33:20,364 INFO L495 AbstractCegarLoop]: Abstraction has 34191 states and 47851 transitions. [2022-07-20 03:33:20,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-20 03:33:20,364 INFO L276 IsEmpty]: Start isEmpty. Operand 34191 states and 47851 transitions. [2022-07-20 03:33:20,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2022-07-20 03:33:20,374 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:33:20,375 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:33:20,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 03:33:20,375 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2022-07-20 03:33:20,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:33:20,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1992342949, now seen corresponding path program 1 times [2022-07-20 03:33:20,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:33:20,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361088011] [2022-07-20 03:33:20,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:33:20,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:33:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:20,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:33:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:20,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:20,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:33:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:20,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:33:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:20,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:20,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:33:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:20,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:20,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:33:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:20,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:20,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:33:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:20,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:20,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:33:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:20,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:20,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:33:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:20,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:33:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:33:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:33:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:33:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:33:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:33:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:33:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:33:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:33:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:33:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 03:33:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:33:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 03:33:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:33:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:33:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:33:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:33:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 03:33:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:33:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:33:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 03:33:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 03:33:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 03:33:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 03:33:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 03:33:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-20 03:33:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:33:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:33:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-20 03:33:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-20 03:33:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:21,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4564 trivial. 0 not checked. [2022-07-20 03:33:21,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:33:21,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361088011] [2022-07-20 03:33:21,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361088011] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:33:21,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:33:21,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:33:21,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634402184] [2022-07-20 03:33:21,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:33:21,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:33:21,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:33:21,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:33:21,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:33:21,460 INFO L87 Difference]: Start difference. First operand 34191 states and 47851 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-20 03:33:33,846 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 [] [2022-07-20 03:33:34,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:33:34,578 INFO L93 Difference]: Finished difference Result 92348 states and 130002 transitions. [2022-07-20 03:33:34,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:33:34,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 443 [2022-07-20 03:33:34,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:33:34,894 INFO L225 Difference]: With dead ends: 92348 [2022-07-20 03:33:34,894 INFO L226 Difference]: Without dead ends: 58226 [2022-07-20 03:33:35,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:33:35,028 INFO L413 NwaCegarLoop]: 7092 mSDtfsCounter, 7876 mSDsluCounter, 6324 mSDsCounter, 0 mSdLazyCounter, 5424 mSolverCounterSat, 4104 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9033 SdHoareTripleChecker+Valid, 13416 SdHoareTripleChecker+Invalid, 9529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4104 IncrementalHoareTripleChecker+Valid, 5424 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-07-20 03:33:35,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9033 Valid, 13416 Invalid, 9529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4104 Valid, 5424 Invalid, 1 Unknown, 0 Unchecked, 11.6s Time] [2022-07-20 03:33:35,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58226 states. [2022-07-20 03:33:36,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58226 to 55042. [2022-07-20 03:33:36,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55042 states, 36962 states have (on average 1.2685460743466264) internal successors, (46888), 38000 states have internal predecessors, (46888), 15008 states have call successors, (15008), 3050 states have call predecessors, (15008), 3069 states have return successors, (15102), 14628 states have call predecessors, (15102), 15004 states have call successors, (15102) [2022-07-20 03:33:37,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55042 states to 55042 states and 76998 transitions. [2022-07-20 03:33:37,191 INFO L78 Accepts]: Start accepts. Automaton has 55042 states and 76998 transitions. Word has length 443 [2022-07-20 03:33:37,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:33:37,192 INFO L495 AbstractCegarLoop]: Abstraction has 55042 states and 76998 transitions. [2022-07-20 03:33:37,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-20 03:33:37,193 INFO L276 IsEmpty]: Start isEmpty. Operand 55042 states and 76998 transitions. [2022-07-20 03:33:37,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2022-07-20 03:33:37,201 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:33:37,201 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:33:37,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 03:33:37,202 INFO L420 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)] === [2022-07-20 03:33:37,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:33:37,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1760882849, now seen corresponding path program 1 times [2022-07-20 03:33:37,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:33:37,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369537648] [2022-07-20 03:33:37,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:33:37,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:33:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:33:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:33:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:33:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:33:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:33:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:33:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:33:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:33:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:33:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:33:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:33:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:33:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:33:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:33:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:33:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:33:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:33:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:33:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 03:33:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:33:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 03:33:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:33:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:33:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:33:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:33:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 03:33:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:33:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:33:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 03:33:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 03:33:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 03:33:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 03:33:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 03:33:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-20 03:33:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-20 03:33:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-20 03:33:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-20 03:33:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-20 03:33:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-20 03:33:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-20 03:33:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-20 03:33:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:38,768 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5190 trivial. 0 not checked. [2022-07-20 03:33:38,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:33:38,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369537648] [2022-07-20 03:33:38,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369537648] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:33:38,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:33:38,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:33:38,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450593300] [2022-07-20 03:33:38,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:33:38,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:33:38,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:33:38,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:33:38,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:33:38,771 INFO L87 Difference]: Start difference. First operand 55042 states and 76998 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-20 03:33:50,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:33:50,678 INFO L93 Difference]: Finished difference Result 168546 states and 237405 transitions. [2022-07-20 03:33:50,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:33:50,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 454 [2022-07-20 03:33:50,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:33:51,645 INFO L225 Difference]: With dead ends: 168546 [2022-07-20 03:33:51,645 INFO L226 Difference]: Without dead ends: 114010 [2022-07-20 03:33:51,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:33:51,808 INFO L413 NwaCegarLoop]: 7962 mSDtfsCounter, 7627 mSDsluCounter, 6843 mSDsCounter, 0 mSdLazyCounter, 5387 mSolverCounterSat, 3816 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8774 SdHoareTripleChecker+Valid, 14805 SdHoareTripleChecker+Invalid, 9203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3816 IncrementalHoareTripleChecker+Valid, 5387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-07-20 03:33:51,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8774 Valid, 14805 Invalid, 9203 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3816 Valid, 5387 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-07-20 03:33:51,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114010 states. [2022-07-20 03:33:55,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114010 to 107758. [2022-07-20 03:33:55,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107758 states, 72369 states have (on average 1.2695629344056156) internal successors, (91877), 74369 states have internal predecessors, (91877), 29374 states have call successors, (29374), 5965 states have call predecessors, (29374), 6012 states have return successors, (29566), 28695 states have call predecessors, (29566), 29370 states have call successors, (29566) [2022-07-20 03:33:56,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107758 states to 107758 states and 150817 transitions. [2022-07-20 03:33:56,182 INFO L78 Accepts]: Start accepts. Automaton has 107758 states and 150817 transitions. Word has length 454 [2022-07-20 03:33:56,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:33:56,184 INFO L495 AbstractCegarLoop]: Abstraction has 107758 states and 150817 transitions. [2022-07-20 03:33:56,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-20 03:33:56,184 INFO L276 IsEmpty]: Start isEmpty. Operand 107758 states and 150817 transitions. [2022-07-20 03:33:56,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2022-07-20 03:33:56,191 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:33:56,191 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:33:56,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 03:33:56,191 INFO L420 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)] === [2022-07-20 03:33:56,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:33:56,192 INFO L85 PathProgramCache]: Analyzing trace with hash 162345185, now seen corresponding path program 1 times [2022-07-20 03:33:56,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:33:56,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144313193] [2022-07-20 03:33:56,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:33:56,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:33:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:56,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:33:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:56,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:56,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:33:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:56,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:56,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:33:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:56,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:33:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:33:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:33:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:33:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:33:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:33:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:33:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:33:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:33:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:33:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:33:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:33:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:33:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:33:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:33:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 03:33:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:33:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 03:33:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:33:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:33:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:33:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:33:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 03:33:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:33:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:33:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 03:33:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 03:33:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 03:33:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 03:33:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 03:33:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-20 03:33:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-20 03:33:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-20 03:33:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-20 03:33:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-20 03:33:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:33:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-20 03:33:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-20 03:33:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-20 03:33:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:33:57,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5202 trivial. 0 not checked. [2022-07-20 03:33:57,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:33:57,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144313193] [2022-07-20 03:33:57,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144313193] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:33:57,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:33:57,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:33:57,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90745212] [2022-07-20 03:33:57,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:33:57,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:33:57,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:33:57,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:33:57,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:33:57,684 INFO L87 Difference]: Start difference. First operand 107758 states and 150817 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-20 03:34:09,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:34:11,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:34:12,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:34:12,159 INFO L93 Difference]: Finished difference Result 114764 states and 161669 transitions. [2022-07-20 03:34:12,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 03:34:12,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 454 [2022-07-20 03:34:12,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:34:12,901 INFO L225 Difference]: With dead ends: 114764 [2022-07-20 03:34:12,901 INFO L226 Difference]: Without dead ends: 114762 [2022-07-20 03:34:12,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 03:34:12,972 INFO L413 NwaCegarLoop]: 5875 mSDtfsCounter, 6557 mSDsluCounter, 9701 mSDsCounter, 0 mSdLazyCounter, 7048 mSolverCounterSat, 2939 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7189 SdHoareTripleChecker+Valid, 15576 SdHoareTripleChecker+Invalid, 9989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2939 IncrementalHoareTripleChecker+Valid, 7048 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-07-20 03:34:12,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7189 Valid, 15576 Invalid, 9989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2939 Valid, 7048 Invalid, 2 Unknown, 0 Unchecked, 12.1s Time] [2022-07-20 03:34:13,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114762 states. [2022-07-20 03:34:16,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114762 to 108512. [2022-07-20 03:34:16,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108512 states, 72876 states have (on average 1.2685383390965475) internal successors, (92446), 74908 states have internal predecessors, (92446), 29438 states have call successors, (29438), 6148 states have call predecessors, (29438), 6195 states have return successors, (29630), 28759 states have call predecessors, (29630), 29434 states have call successors, (29630) [2022-07-20 03:34:17,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108512 states to 108512 states and 151514 transitions. [2022-07-20 03:34:17,318 INFO L78 Accepts]: Start accepts. Automaton has 108512 states and 151514 transitions. Word has length 454 [2022-07-20 03:34:17,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:34:17,318 INFO L495 AbstractCegarLoop]: Abstraction has 108512 states and 151514 transitions. [2022-07-20 03:34:17,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-20 03:34:17,319 INFO L276 IsEmpty]: Start isEmpty. Operand 108512 states and 151514 transitions. [2022-07-20 03:34:17,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2022-07-20 03:34:17,327 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:34:17,327 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:34:17,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 03:34:17,328 INFO L420 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)] === [2022-07-20 03:34:17,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:34:17,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1451581504, now seen corresponding path program 1 times [2022-07-20 03:34:17,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:34:17,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388977215] [2022-07-20 03:34:17,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:34:17,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:34:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:34:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:34:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:34:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:34:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:34:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:34:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:34:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:34:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:34:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:34:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:34:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:34:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:34:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:34:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:34:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:17,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:34:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:34:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:34:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 03:34:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:34:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 03:34:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:34:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:34:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:34:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:34:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 03:34:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:34:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:34:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 03:34:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 03:34:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 03:34:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 03:34:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 03:34:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-20 03:34:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-20 03:34:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-20 03:34:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-20 03:34:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-20 03:34:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-20 03:34:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-20 03:34:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-20 03:34:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-20 03:34:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:18,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5204 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5202 trivial. 0 not checked. [2022-07-20 03:34:18,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:34:18,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388977215] [2022-07-20 03:34:18,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388977215] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:34:18,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:34:18,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:34:18,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418822223] [2022-07-20 03:34:18,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:34:18,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:34:18,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:34:18,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:34:18,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:34:18,575 INFO L87 Difference]: Start difference. First operand 108512 states and 151514 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-20 03:34:28,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:34:28,820 INFO L93 Difference]: Finished difference Result 114766 states and 161671 transitions. [2022-07-20 03:34:28,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 03:34:28,822 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 459 [2022-07-20 03:34:28,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:34:29,306 INFO L225 Difference]: With dead ends: 114766 [2022-07-20 03:34:29,306 INFO L226 Difference]: Without dead ends: 114764 [2022-07-20 03:34:29,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 03:34:29,374 INFO L413 NwaCegarLoop]: 5858 mSDtfsCounter, 6548 mSDsluCounter, 9699 mSDsCounter, 0 mSdLazyCounter, 6948 mSolverCounterSat, 2925 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7200 SdHoareTripleChecker+Valid, 15557 SdHoareTripleChecker+Invalid, 9873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2925 IncrementalHoareTripleChecker+Valid, 6948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-07-20 03:34:29,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7200 Valid, 15557 Invalid, 9873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2925 Valid, 6948 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-07-20 03:34:29,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114764 states. [2022-07-20 03:34:32,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114764 to 108516. [2022-07-20 03:34:33,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108516 states, 72879 states have (on average 1.2685272849517695) internal successors, (92449), 74911 states have internal predecessors, (92449), 29438 states have call successors, (29438), 6149 states have call predecessors, (29438), 6196 states have return successors, (29630), 28759 states have call predecessors, (29630), 29434 states have call successors, (29630) [2022-07-20 03:34:33,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108516 states to 108516 states and 151517 transitions. [2022-07-20 03:34:33,894 INFO L78 Accepts]: Start accepts. Automaton has 108516 states and 151517 transitions. Word has length 459 [2022-07-20 03:34:33,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:34:33,895 INFO L495 AbstractCegarLoop]: Abstraction has 108516 states and 151517 transitions. [2022-07-20 03:34:33,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-20 03:34:33,896 INFO L276 IsEmpty]: Start isEmpty. Operand 108516 states and 151517 transitions. [2022-07-20 03:34:33,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2022-07-20 03:34:33,903 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:34:33,904 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:34:33,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 03:34:33,904 INFO L420 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)] === [2022-07-20 03:34:33,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:34:33,905 INFO L85 PathProgramCache]: Analyzing trace with hash 327662593, now seen corresponding path program 1 times [2022-07-20 03:34:33,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:34:33,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870977036] [2022-07-20 03:34:33,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:34:33,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:34:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:34:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:34:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:34:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:34:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:34:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:34:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:34:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:34:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:34:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:34:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:34:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:34:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:34:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:34:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:34:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:34:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:34:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:34:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 03:34:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:34:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 03:34:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:34:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:34:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:34:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:34:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 03:34:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:34:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:34:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 03:34:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 03:34:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 03:34:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 03:34:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 03:34:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-20 03:34:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-20 03:34:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-20 03:34:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-20 03:34:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-20 03:34:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:34:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-20 03:34:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-20 03:34:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-20 03:34:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-20 03:34:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-20 03:34:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:34:34,866 INFO L134 CoverageAnalysis]: Checked inductivity of 5210 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5206 trivial. 0 not checked. [2022-07-20 03:34:34,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:34:34,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870977036] [2022-07-20 03:34:34,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870977036] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:34:34,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:34:34,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:34:34,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438643002] [2022-07-20 03:34:34,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:34:34,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:34:34,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:34:34,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:34:34,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:34:34,869 INFO L87 Difference]: Start difference. First operand 108516 states and 151517 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-20 03:34:46,547 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 [] [2022-07-20 03:34:47,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:34:47,653 INFO L93 Difference]: Finished difference Result 114770 states and 161674 transitions. [2022-07-20 03:34:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 03:34:47,655 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 464 [2022-07-20 03:34:47,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:34:48,160 INFO L225 Difference]: With dead ends: 114770 [2022-07-20 03:34:48,160 INFO L226 Difference]: Without dead ends: 114768 [2022-07-20 03:34:48,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 03:34:48,223 INFO L413 NwaCegarLoop]: 5856 mSDtfsCounter, 6549 mSDsluCounter, 9694 mSDsCounter, 0 mSdLazyCounter, 6947 mSolverCounterSat, 2924 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7202 SdHoareTripleChecker+Valid, 15550 SdHoareTripleChecker+Invalid, 9872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2924 IncrementalHoareTripleChecker+Valid, 6947 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-07-20 03:34:48,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7202 Valid, 15550 Invalid, 9872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2924 Valid, 6947 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2022-07-20 03:34:48,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114768 states. [2022-07-20 03:34:51,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114768 to 108520. [2022-07-20 03:34:52,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108520 states, 72882 states have (on average 1.268516231717022) internal successors, (92452), 74914 states have internal predecessors, (92452), 29438 states have call successors, (29438), 6150 states have call predecessors, (29438), 6197 states have return successors, (29630), 28759 states have call predecessors, (29630), 29434 states have call successors, (29630) [2022-07-20 03:34:52,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108520 states to 108520 states and 151520 transitions. [2022-07-20 03:34:52,568 INFO L78 Accepts]: Start accepts. Automaton has 108520 states and 151520 transitions. Word has length 464 [2022-07-20 03:34:52,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:34:52,569 INFO L495 AbstractCegarLoop]: Abstraction has 108520 states and 151520 transitions. [2022-07-20 03:34:52,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-20 03:34:52,569 INFO L276 IsEmpty]: Start isEmpty. Operand 108520 states and 151520 transitions. [2022-07-20 03:34:52,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2022-07-20 03:34:52,578 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:34:52,579 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 5, 5, 5, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:34:52,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 03:34:52,579 INFO L420 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)] === [2022-07-20 03:34:52,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:34:52,580 INFO L85 PathProgramCache]: Analyzing trace with hash 2142266257, now seen corresponding path program 1 times [2022-07-20 03:34:52,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:34:52,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030197569] [2022-07-20 03:34:52,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:34:52,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms